Система электропитани и переходное устройство дл нее

Стационарный телефон сотовой связи

Устройство питания абонентской телефонной линии

Изобретение относится к телефонии . Цель изобретения - расширение . функциональных возможностей путем обеспечения подачи сигнала Занято. Устр-во содержит транзисторы 1, 2, 6, 7, 11, 12, 13, 14, 15 и 19, резисторы 3, 4, 5, 8, 9, 10, 16, 17, 18, 20, 21, 22 и 23, источник 24 питания и два конденсатора 25 и 26. Формирование выходного сигнала Занято осуществляется при подаче входного сигнала Занято на базу транзистора 19, на котором собран каскад с разделенной нагрузкой, предназначенный для формирования парафазного сигнала для возбуждения двухтактного мостового у-ля мощности (собранного на транзисторах 1, 2, 11, 12 и 6, 7, 14, 15 разной проводимости) по базам транзисторов 2 и 7. Конденсаторы 25 и 26 являются разделительными и обеспечивают сохранение режима у-ля мощности по постоянному току и при наличии транзистора 19. Цель достигается введением транзистора 19, резисторов 20-23 и конденсаторов 25 и 26. 1 ил. (Л И 2Z Ь ( 21 27 ...

Стабилизатор напряжения

Изобретение относится к электросвязи и обеспечивает расширение функциональных возможностей стабилизатора напряжения (СН) путем обеспечения усиления сигнала переменного тока. СН содержит резисторы 1-5, конденсаторы 6, 7, транзисторы (Т) 8, 9 противоположных типов проводимости и стабилизирующий элемент 10. Вход - выход (В-В) 11 подключается к положит, проводу двухпроводной линии, а В-В 12-к отрицат. Конденсатор 6 служит для фильтрации переменной составляющей напряжения , проникающего через резисторы 1 и 5 со стороны В-В на базу Т 9. Напряжение стабилизации двухпроводной линии устанавливается выбором значения сопротивления резистора 2. При увеличении постоянного напряжения на В-В 11, 12 увеличиваются напряжения на резисторе 2 и на базе Т 9 и ток базы Т 9. Это приводит к уменьшению постоянного напряжения на В-В И, 12. Одновременно СН может усиливать сигнал переменного тока, который подается на В-В 12 и клемму 13 и снимается с В-В 11, 12. При это.м конденсатор 7 исключает проникновение постоянной ...

Устройство электропитания для автоматических телефонных станций

УСТРОЙСТВО,ЭЛЕКТРОПИТАНИЯ ДЛЯ АВТОМАТИЧЕСКИХ ТЕЛЕФОННЬЗХ СТАНЦИЙ , содержащее управляемый выпрямитель , два дросселя, два конденсатора , блок управления и резервный источник электропитания, причем первый выход управляемого выпрямителя подключен к первому вьоводу первого дросселя , второй вывод которого подключен к первому вьгорду первого конденсатора и первому выводу второго дросселя второй вывод которого подключен к первому выводу второго конденсатора и первому выводу резервного ис точника электропитания, а второй выход управляемого выпрямителя подключен к второму выводу второго конденсатора и второму выводу резервного источника электропитания-, при этом первый и второй выводы резервного источника электропитания подключены к выгодным клеммам устройства , о т л и ч а ю щ е е с я тем, что, с целью уменьшения колебаний напряжения на нагрузке при переключении с основного источника электропитания на резервный, в него введены управляемый вентиль и диод, катод которого соединен с анодом управляемого ...

Абонентская линейная цепь

Изоб15етение относится к телефонии . Цель изобретения - уменьшение потребляемой мощности питания. Устр- во содержит блок 1 питания, программируемый г-р 2, два импеданса пита .НИН 3 и 4, датчик 5 линейного тока, состоящий из трех дифференциальных , у-лей, детектор 6 состояния Трубка снята, блок 7 групповой обработки сигналов, общий у-ль 8, тр-р 9, регистр сдвига 10, аналоговый мультиплексор (М) 11, блок 12 детекторов линейного тока, г-р 13 эталонного уровня, тактовый регистр 14, цифровой М 15 и эталонный г-р 16. СМ II сигналы поступают на блок 12, где с помощью г-ра 13 преобразуются в цифровую форму и с адресными сигналами передаются через регистр 14 к М 15, с выходов к-рого через регистры 10 сигналы осуществляют управление усилением у-ля 8 и через г-р 16 г-ром 2, обеспечивая их работу в зависимости от режима (Трубка снята) и параметров линии индивидуально для каждого абонента. Выполнение датчика 5 в виг де трех дифференциальных у-лей обеспечивает точное определение величины линейного тока ...

Стабилизированный блок питания для выдачи внутренних номиналов питания устройств связи, преимущественно для телефонных станций

... 1. СТАБИЛИЗИРОВАННЫЙ БЛОК ПИТАНИЯ ДЛЯ ВЬЩАЧИ ВНУТРЕННИХ НОМИНАЛОВ ПИТАНИЯ УСТРОЙСТВ СВЯЗИ, преимущественно для телефонных станций, содержащий несколько преобразовательных ступеней, каждая из которых состоит из узла включения преобразовательной ступени, входного фильтра, подключенного ко входу регулируемого преобразователя напряжения, выход которого подсоединен через выходной фильтр к .выходным выводам, одни из которых подсоединены ко входам узла индикации состояния преобразовательной ступени, связанного своими выходами со входами узла включения преобразовательной ступени, а также ко входу регулятора напряжения, выход которого связан с управляющим узлом , подсоединенным ко входу регулируемого преобразователя напряжения, и узел защиты от перегрузок, отличающийся тем, что, с целью улучшения зксплуатационных характеристик , в каждую из преобразовательных ступеней введен узел внутреннего контроля и переключения, подсоединенный одними из своих вхо .дов к выходам регулируемого преобразователя ...

METHODE UND APPARAT ZUR STROMERZEUGUNG FÜR EIN KOAXIALES KABELNETZWERK

KONSTANTSTROMQUELLE

Schaltungsanordnung für einen Fernsprechapparat mit einer Tonrufschaltung

BREITBAND TEILNEHMERLEITUNGSSCHNITTSTELLESCHALTUNG

Auslagerung von Funktionalität eines öffentlichen Telefons in einen vorgeschalteten Server

TEILNEHMERSCHNITTSTELLENSCHALTUNG MIT AKTIVER A UND B ADER-VERSORGUNGSEINRICHTUNG.

Schutzschaltung für eine Batteriespeiseschaltung.

Schaltungsanordnung zur Verringerung von Geraeuschspannungen aufgrund von Laengsstroemen

MONOLITHISCH INTEGRIERBARE TELEFONSCHALTUNG FUER DIE VERSORGUNG EINER TEILNEHMER-FERNSPRECHLEITUNG

Verfahren und Anordnung zum Steuern eines elektronischen Münzfernsprechers bei offener Schleife.

On-hook-Spannungssteuerungsschaltung mittels eines symmetrischen Verstärkers ohne Konstantstromspeisung desselben

STROMKENNLINIENFORMER.

LEISTUNGSVERWALTUNG IN EINEM NETZWERKELEMENT MIT LEITUNGSSTROMVERSORGUNG

Subscriber line interface circuit supply voltage regulation method involves supplying calculated supply voltage to telephone lines so that preset current for analog telephone may flow through lines

The method involves calculating the supply voltage for the subscriber line interface circuit depending on the measured supply current on the telephone connection lines. The calculated supply voltage is supplied to the telephone connection lines so that a preset supply current for analog terminals may flow through the telephone connection lines. A telephone line measurement supply voltage is applied to the telephone connection lines via the subscriber line interface circuit. The supply current which flows with the applied telephone line supply voltage is measured over the telephone connection lines. An Independent claim is also included for a control circuit for regulating the supply voltage of a subscriber line interface circuit.

Schaltungsanordnung zum Speisen einer Telefonteilnehmerschleife mit einer Speisespannung

Over-load protection for remote power supply of communication terminal

A dc voltage source (U) is used for remote supply of a digital communication terminal (KE). The voltage source is connected via an electronic switch (FET) to connection lines (ASL). Two control circuits (OP,IG1; K1,IG2) opposite each other are provided for control of the electronic switch. The charging of the capacitive load is uninterrupted to form a constant short circuit. The supply voltage circuit is broken by the electronic switch during overload conditions. The communication device is pref. a program-controlled system connected to a system processor.

STABILISIERTE GLEICH-GLEICHSPANNUNGSUMSETZEINHEIT

Redundanzstrukturadaptive Stromzuführung für Kommunikationsbaugruppen

Eine Stromversorgungseinrichtung für mehrere in einem gemeinsamen Gehäuse untergebrachte Kommunikationsbaugruppen weist mehrere Steckplätze für die Kommunikationsbaugruppen mit jeweils zwei Anschlußkontakten (3, 3') sowie mehrere Stromversorgungsanschlüsse (2) zum Anschluß an mehrere externe Stromquellen auf. Die Stromversorgungsanschlüsse (2) sind so mit den Anschlußkontakten (3, 3') der Steckplätze verdrahtet, daß allein durch Auswahl von an den Stromversorgungsanschlüssen (2) angeschlossenen externen Stromquellen a) jede der Kommunikationsbaugruppen mit zwei verschiedenen der externen Stromquellen verbindbar ist, und b) jede der Kommunikationsbaugruppen mit einer externen Stromquelle, jedoch ein Paar von zwei Kommunikationsbaugruppen mit zwei verschiedenen externen Stromquellen verbindbar ist. So können mit einer gemeinsamen Stromversorgungseinrichtung, die beispielsweise an der Rückwand des Gehäuses angeordnet ist, durch einfaches Umstecken der Stromversorgungsanschlüsse paarweise vorhandene ...

ELEKTRISCHES NETZWERK ZUR VERWENDUNG IN EINER TEILNEHMERSCHLEIFE

Teilnehmeranschlussschaltung mit Erdtasten- und Isolationsfehlerindikation

Schaltungsanordnung zur Begrenzung des über eine Speiseschaltung einer leitungsindividuellen Teilnehmeranschlußschaltung gelieferten Speisestroms

Verfahren und Schaltung zur Reduktion von Verlustleistung in der DC-Abschlusseinheit

Improvements in or relating to systems for charging electric accumulators supplying an intermittent load

... 596,679. Charging batteries. STANDARD TELEPHONES & CABLES, Ltd. (International Standard Electric Corporation). May 18, 1945, No. 12600. [Class 38 (iv)] A battery 7, Fig. 1, supplying an intermittent load is charged from an A.C. source 1 through a transformer, rectifier 6 and reactor 3, the last having a D.C. control winding 4 which varies the impedance of the reactor in accordance with the current demands of the battery and load, and a further control winding 5 which assists winding 4 when the load is de-energized and so increases the charging voltage. Under load conditions, winding 5 is short-circuited by a switch 8 which automatically closes upon flow of load current. Instead of the winding 5, a resistance may shunt winding 4, the switch 8 removing a short circuit on part of this resistance when the load is de-energized. In another arrangement, Fig. 3, the winding 5 is normally energized, over an amplifier 13, in dependence upon the battery volts, the switch 8 being open when load current ...

TELEPHONE LINE LOOP CURRENT REGULATOR

The telephone line loop current regulator combines the functions of current regulation, current detection, loop disconnect signalling and speech switching. It comprises a gyrator circuit formed by resistor (R1), capacitor (C1), transistor (T1) and resistor (R3). Loop current is regulated by transistor (T1) and resistor (R3) while loop current detection is achieved by monitoring the voltage across resistor (R3) by an opto-diode which forms part of an opto-electronic coupler (OP2). Speech switching is performed by transistor (T3) which also monitors the voltage across resistor (R3) so that speech is switched onto the line via transformer (TR1) when d.c. loop current is present. Line seizure and loop disconnect signalling is carried out by switching the opto-coupler (OP1) to turn the transistor (T1) on and off.

Compensation circuit for use with an integrating amplifier

A compensation circuit for use with an integrating amplifier having an integrating capacitor connected between an input and output thereof. The integrating amplifier monitors an input signal and generates an integrated output signal in response thereto. The compensation circuit detects sudden variations in the input signal and in response momentarily discharge the integrating capacitor, thereby increasing responsiveness of the integrating amplifier in the event of sudden input signal variations.

Power supply for telecommunications devices

Constant current line circuit with class features

A line circuit utilizing a differential amplifier whose output is regulated to zero volts D.C. (when the subscriber's set is off-hook) by a negative feedback circuit, for controlling a voltage controlled power supply which provides a constant current feed to the subscriber's loop. The differential amplifier also transmits audio signals received from the subscriber's loop directly to a PABX via an unbalanced terminal. When the loop range exceeds a predetermined threshold, the circuit reverts to a voltage feed operation thereby allowing operation over long loop lengths and the ability to provide on-hook CLASS services.

Improvements relating to telephone systems

... 322,845. Siemens Bros. & Co., Ltd., and Patterson, W. G. Oct. 17, 1928. Automatic exchange systems.-To reduce the click due to reversal of current in a calling line, the line relay A is connected between the line and the reversing-contacts d, and a condenser Q may also be connected as shown. Busy flash signals are sent, as in Specification 271,142, by intermittent energi. zation of the relay D with the switching relay (contact h) un-energized. By the arrangement shown, the resistances which guard the battery from short-circuit at the reversing-coiatacts are not included in the impulsing circuit.

CONSTANT CURRENT LINE CIRCUIT

COMPENSATION CIRCUIT USED WITH A INTERGRATING AMPLIFIER

A compensation circuit for use with an integrating amplifier having an integrating capacitor connected between an input and output thereof. The integrating amplifier monitors an input signal and generates an integrated output signal in response thereto. The compensation circuit detects sudden variations in the input signal and in response momentarily discharge the integrating capacitor, thereby increasing responsiveness of the integrating amplifier in the event of sudden input signal variations.

Telephone subscriber line battery feed resistor arrangements

Battery feed resistors are constituted by thick film resistors (3) on a substrate (1), electrically in series with switching type positive temperature coefficient (PTC) resistors (11) which are closely thermally coupled to the thick film resistors by being mounted on the substrate behind the thick film resistors or on insulating layers (13) over the thick film resistors. Precise battery feed resistances and matching of pairs of battery feed resistors are achieved by trimming the thick film resistors. The PTC resistors prevent excessively high temperatures being reached in the event that external high voltages are applied to a telephone subscriber line to which the battery feed resistors are connected. ...

Key signal scanning apparatus of complex telephone

Telephone power supply

A power supply system, more particularly for telephone lines, comprises a load or remote unit coupled to the power supply or exchange unit by a line, for example a telephone line T2, T3, the resistance of which is significant in relation to the resistance of the load. Monitoring means are provided in the vicinity of the power supply and in the vicinity of the load for monitoring the voltage and/or current in the line circuit. Telemetry means is provided for transmitting output signals from the monitoring means in the vicinity of the load to receiving means in the vicinity of the power supply. Means EU control associated with the power supply is arranged to receive signals from the respective monitoring means and to control the power delivered by the power supply.

Constant voltage device

... 1,017,416. Voltage stabilizers. STANDARD TELEPHONES & CABLES Ltd. Feb. 8, 1963 [Feb. 13, 1962], No. 5237/63. Heading G3X. [Also in Divisions H3 and H4] A voltage stabilizer comprises a first voltage divider constituted by a resistance R L , a transistor Q 1 and a resistance R c connected to a voltage source +18, -18, in parallel with a second voltage divider R 1 , Q 2 , R 2 . The base of transistor Q 2 is connected to an unregulated reference potential such as ground, and the collector of transistor Q 2 is connected to the base of transistor Q 2 . The arrangement is such that voltage variations on the voltage divider including transistor Q 2 are used to control the gain of transistor Q 1 , the direction of gain control opposing source variations. Thus a stabilized voltage can be taken from the output CP of transistor Q 1 . As used in a telephone system, Fig. 4, the resistance R L is constituted by a switch path comprising a resistor, a winding to which voice currents are inductively applied ...

Detector circuit for communication lines

A detector circuit for detecting the on-hook and off-hook states of a communication line includes current and voltage sensors for generating two reference signals. One signal represents the current flowing in the line; the other represents the voltage on the line. A comparator circuit compares these two references to generate an output signal representative of the on-hook state when the magnitude of one of the references is greater than the other. When the magnitude of the one reference signal is less than the other, the comparator circuit generates another output signal representative of the off-hook state of the line. In addition, when the line is electrically isolated from ground, the two comparator output signals may drive an opto-isolator to generate two corresponding output signals electrically isolated from the comparator output signals.

TELEPHONE LINE CIRCUIT

TELEPHONE LINE FEED

Communication system power supply

In a communication system between an exchange station and terminal equipment through an optical fiber cable, a power supply for operating the terminal equipment is supplied from the exchange station through the optical fiber cable in a form of an optical energy. The optical fiber cable is utilized both for transmitting a voice signal between terminal equipment and the exchange station, and for transmitting the power supply from the exchange station to terminal equipment on a time divisional basis. When the terminal equipment is inactive, the exchange station transmits no energy, or transmits intermittently an optical pulse. The duration that the optical pulse is transmitted when the terminal equipment is inactive, is less than 1/10 of the total time. When a handset of the terminal equipment is picked-up and the terminal equipment becomes active, the change of the status of the terminal equipment is relayed to the exchange station using that limited amount of energy from the exchange station ...

Improvements in voltage regulating arrangements for electrical generators and the like

... 456,947. Automatic regulation. SIEMENS & HALSKE AKT.-GES., Wernerwerk, Siemensstadt, Berlin. Jan. 1. 1936, No. 67. Convention date, Jan. 19, 1935. [Class 38 (iv)] [See also Groups XL and XXXIX] In order to provide a source of alternating current having a prescribed internal resistance, a generator Eo having an internal resistance Ri is arranged in series with a positive resistance Rv, which may be adjustable, and with a combination Rn comprising a thermal negative resistance in series with a positive resistance. The combination Rn exhibits over an operative range a constant voltage drop for varied current strengths. The load is connected through series resistances Rl, R2 to the terminals of the branch Rn. These terminals function as a source of negligible internal resistance ; and the load is thus connected to a source of prescribed resistance R1+R2. Moreover the voltage across the terminals of the element Rn is independent of small variations in the voltage of the source Eo. A resistance ...

TELECOMMUNICATION LINE CIRCUITS

ELCTRONIC TELEPHONE CIRCUIT FOR SUBSCRIBER-LINE

Switching arrangement for power-supply apparatus

... 931,616. Stand-by battery arrangements. STANDARD TELEPHONES & CABLES Ltd. March 1, 1962 [March 14, 1961], No. 8003/62. Class 38 (4). In an arrangement whereby a load 2 may be fed on failure of a rectifier 1 from a battery 3, the battery is charged through an additional rectifier 4, which is shunted, on failure of the main supply by a relay contact 11. To minimize delay in connecting the battery, the rectifier 4 is shunted initially by a silicon-controlled rectifier 5 fired by a capacitor 7 discharging through an impulse transformer 6.

Unbalanced/balanced converter circuits

A balanced/unbalanced converter circuit for connection to a subscriber's telephone line. A first Darlington transistor pair is connected as a controllable impedance between a first supply terminal and a first balanced input/output terminal. A second Darlington transistor pair is likewise connected between a second supply terminal and a second balanced terminal. A potential-summing resistive network is connected between the balanced terminals and the sum-representative potential is compared with a reference to provide a control signal to simultaneously change the impedances in opposite directions to correct any departure from balance. A third transistor controllable impedance circuit is connected in series with one Darlington transistor pair and used to regulate direct current flow through the line.

SUPPLY CIRCUIT FOR A SUBSCRIBER'S LINE CIRCUIT

LOOP EXTENDER

TELEPHONE SWITCHES FOR TIME DIVISION MULTIPLEX SYSTEMS

Equipment of subscriber's loop for telephone centre.

Generator of ringing current intended for a terminal of telephone.

SIGNAL ROUTING FOR DECREASED CURRENT CONSUMPTION IN A CONFERENCE SYSTEM

SWITCHING CONFIGURATION FOR REGULATING THE ENERGIZING CURRENT FOR CENTRALFED TELEPHONE SETS

TELEPHONE HANDSET FOR TELECOMMUNICATIONS TERMINALS

SCHALTUNGSANORDNUNG FUER EINE ELEKTRONISCHE TEILNEHMERSPEISUNG IN FERNSPRECHVERMITTLUNGS- ANLAGEN

FROM THE FRONT ACCESSIBLE DSX ARRANGEMENT

ERROR HANDLING IN A BASISTATION OF A CDMA OF SYSTEM

PROCEDURE FOR THE CURRENT CONSUMPTION REGULATION FOR A TDMA RADIO

TELEPHONE SYSTEM, CENTER SWITCHING CENTER AND SEPARATING EQUIPMENT FOR SIMILAR ONE TELEFONSIGNALEN AND DIGITAL ONE DATA SIGNALS

VERFAHREN ZUM ANSCHLIESSEN EINES FERNGESPEISTEN, PERIPHEREN GERÄTS

FERNSPRECHTEILNEHMERSCHALTUNG

VERFAHREN ZUR FERNSPEISUNG EINES NACHRICHTENÜBERTRAGUNGSSYSTEMS

ELECTRICALLY PROPELLED INSTRUMENT PANEL

SWITCHING CONFIGURATION FUR TELECOMMUNICATION INSTALLATIONS FOR THE INTERMITTENT SUPPLY OF THE CALLING ROM CIRCLES OF THE PARTICIPANT PLACES WITH DC VOLTAGE AND/OR ALSO OF DC VOLTAGE OF UBERLAGERTER CALL ALTERNATING VOLTAGE

SWITCHING CONFIGURATION FOR AN ELECTRONIC PARTICIPANT SUPPLY

DIGITAL AUDIO GENERATOR

TELEPHONE SUBSCRIBER CIRCUIT

CURRENT AND TENSION RULE CIRCUIT FOR ELECTRONIC INTERFACE CIRCUITS IN APPLICATION WITH TELEPHONE EXCHANGE PLANTS

Secondary bell

SWITCHING CONFIGURATION ZÜR HEARING SIGNAL TRANSMISSION IN A TELEPHONE SYSTEM WITH AN INDUCTIVE COUPLING OF HEARING CHARACTERS

ARCHITECTURE AND INTERFACE FOR SLIC

SWITCHING CONFIGURATION FOR TWO RECTANGLE GENERATORS ABSTENTIONS AN ELECTRONIC CLOCK GIVER

INTERFERENCE-RESISTANT ENTRY STAGE OF A TWO-WIRE LINE

SWITCHING CONFIGURATION FOR REMOTE SUPPLY

CIRCUIT PROTECTION DEVICE

SWITCHING CONFIGURATION FOR RECOGNIZING THE PARTICIPANT MESSAGE IN FAR FROM SPEECH SWITCHING PLANTS.

TELEPHONE, MISTAKE WITH A LINE VOLTAGE STABILIZER WITH DIRECT CURRENT SUPPLY.

COMMUNICATION LINE CIRCUIT.

INPUT CIRCUIT STRUCTURE FOR AN ACCESS LINE INTERFACE.

PARTICIPANT CONNECTION CIRCUIT.

TELEPHONE SYSTEM.

SWITCHING CONFIGURATION FOR THE SEPARATION FROM DIRECT CURRENT AND ALTERNATING CURRENT SIGNAL PORTIONS OF A COMPOSITE PICTURE SIGNAL.

SCHALTUNGSANORDNUNG ZUR ÜBERTRAGUNG VON KLEINEN, ENERGIEARMEN UND GROSSEN, WESENTLICH ENERGIEREICHEREN SIGNALEN

Electrical voltage regulator.

ARRANGEMENT FOR REPORT MESSAGE IN A TELEPHONE SYSTEM.

FLOATING FOOD CIRCUIT.

NO-BREAK DIRECT CURRENT SUPPLY FOR ELECTRICITY WITH EMERGENCY CONDITION SIGNALING BY STROMUMKEHRUNG.

SCHALTUNGSANORDUNG TO THE PROTECTION OF A PARTICIPANT FOOD CIRCUIT IN A PREFERABLY DIGITAL TELEPHONE EXCHANGE OFFICE AGAINST OVERLOADING.

NEGATIVE IMMITANZ TRANSDUCER.

INTERFACE CIRCUIT FOR A TELEPHONE LINE.

Device for Controlling a Supply Voltage for a Terminal

A control device includes a circuit operable to sense an analogue input voltage dependent on a line current flowing via a communication line of a terminal generate an analogue difference voltage in a constant line current operation based on a difference between the sensed analogue input voltage and an analogue feedback voltage which depends on an adjustable nominal direct-current value and filter a sequence of control error values from a sequence of digital difference voltage values converted from the generated analogue difference voltage. The circuit is further operable to convert a control value generated from the sequence of control error values in the constant line current operation to an analogue direct voltage for supplying the terminal and convert the nominal direct-current value into the analogue feedback voltage in the constant line current operation.

Subscriber Line Power Distribution System

A system and a method for distributing power to telecommunication subscriber lines is disclosed. It is important that the power dissipation in the subscriber line interface circuits, SLICs is reduced. Power dissipation occurs when the subscriber lines are fed with a voltage level that is higher than necessary. It is also important that the implementation allows for flexibility when configuring the subscriber lines. These problem have been solved by using a power distribution system comprising at least three power supply units with different power supply voltages, a control unit and a switching unit connected between the SLICs and the power supply units. The control unit is adapted to determine the loop voltages of the subscriber lines and to connect the corresponding SLIC to the power supply unit giving the least power dissipation,

Continuous Power Transfer Scheme for Two-Wire Serial Wire

The invention provides a single digital communication link between system-side and line-side circuitry in a DAA, capable both of carrying data signals and of transferring a substantial amount of power to the line-side circuitry. The invention comprises a system-side interface circuit, a line-side interface circuit, and an isolation barrier including a transformer. Each interface circuit is capable of connection to an upstream communication circuit (either line-side or system-side), from which it may receive data signals to be transmitted across the isolation barrier to the other interface circuit, and to which it may pass data signals received across the isolation barrier from the other interface circuit. The line-side interface circuit may further include a rectifier and a storage device.

Extended signaling system and method

Embodiments are described that include a “front end” device located remotely from a local telephone location. The front end filters DC and AC current on a telephone line to separate these signals and passes a DC current through a low resistance Low Pass Filter without traditional resistance or current limiting means. The front end also provides signaling capability isolated from the DC and audio channels by a High Pass Filter. Some embodiments also include a “back end” unit located near a local telephone location. The “back end” unit filters the DC and AC currents into at least two DC current streams. One of the DC current streams provides sufficient current to power a local telephone. The other stream(s) provides current sufficient to power an auxiliary device. The “back end” device may also provide signaling isolated from the DC and audio channels that is complementary to the “front end” signaling.

POWER BRACELET

A device configured to be worn around the wrist of a user and operable to charge an electrical device is provided. The device includes a cover and a band. The band is adapted to be worn around a wrist of a user. The cover may be adapted to mount onto the band. The band having a storage space configured for holding electrical components operable to store and discharge electrical power from a battery. The device further includes an output operable to connect the battery to an electrical device so as to charge the electrical device. 1. A device for charging an electrical device , the device configured to be worn around a wrist of a user , the device comprising:a band adapted to be worn around the wrist, the band having a storage space configured for holding components;a cover having an outer surface exposed to the environment, the cover adapted to mount onto the band;a battery; andan output, the output configured to connect the batter to a power source so as to charge the battery and to connect the battery to the electrical device so as to charge the electrical device while the user holds the electrical device.2. The device as set forth in claim 1 , further including an electrical circuit operable to control discharging and charging of the battery.3. The device as set forth in claim 2 , the cover may be decorated with design and indicia so as to present an aesthetically pleasing accessory for wear with an outfit.4. The device as set forth in claim 3 , including a plurality of covers claim 3 , each of the plurality of covers are removably attached to the band so as to allow the user to change the cover with a different covers.5. The device as set forth in claim 4 , further including a fastening device claim 4 , operable to secure and release the cover to and from the band.6. The device as set forth in claim 2 , wherein the band includes in first surface and a second surface claim 2 , the first surface of the band is covered by the cover claim 2 , and the second surface ...

POWER DISTRIBUTION FOR TELECOMMUNICATIONS SYSTEM

A communications connection comprises intermediate connection points () connected by a non-conducting communications link (), with conversion equipment in one or both intermediate points for converting communications between electrical and non-electrical carriers, and each being arranged to be powered from the respective ends (). If a metallic path () is present between the two intermediate points, the system can be arranged to use this for a limited connection service in the event of loss of electrical power to one or both of the intermediate points (). 1. A communications connection comprising a first intermediate connection point , a second intermediate connection point , and a non-conducting communications link between the first intermediate point and the second intermediate point;the first intermediate connection point being connectable by way of a first conducting link to a telephone network connection point and the second intermediate point being connectable by a plurality of second conducting links to a plurality of remote customer premises installations, at least one of the first and second intermediate points having conversion equipment for converting transmissions between electrical signals carried over its respective conducting link, and a non-electrical signal carried over the non-conducting linkthe respective first and second conversion equipments being electrically powered, and having respective power conversion equipment for receiving electrical power delivered over the respective conducting links from the telephone network connection point and the customer premises installations.2. A communications connection according to claim 1 , wherein the first intermediate connection point is connectable by way of a first conducting link to a telephone network connection point and the second intermediate point being connectable by a plurality of second conducting links to a plurality of customer premises installations suitable to form communications ...

Method and apparatus for providing electrical power to a broadband digital subscriber line access

Power is supplied to telecom equipment in DSLAM outdoor/remote cabinets with relatively short distances between the subscriber and the cabinet. All of the subscriber Customer Premises Equipment connected to the DSLAM each provide a portion of the required power to the remote cabinet via the telephone line connecting the DSLAM and the subscriber CPE. The CPE at the subscriber premises is already connected to power mains in the subscriber premises so, providing power, via the telephone line to the outdoor cabinet is relatively simple. The remote cabinet includes a circuit for receiving the power input from each subscriber and then distributing the power, required by the DSLAM load, equally among the subscribers.

POWER CABLING CONNECTIONS FOR REMOTE RADIO HEADS AND RELATED METHODS

Power cabling connections for supplying power from a power supply to a plurality of remote radio heads include a trunk power cable having a trunk power supply conductor and a trunk return conductor that are enclosed within a cable jacket and electrically insulated from each other; and a plurality of remotely-controlled switches that are interposed between the trunk power cable and the respective remote radio heads that are configured to selectively electrically connect the trunk power supply conductor and the trunk return conductor to a respective one of the radio heads. 1. A power cabling connection for supplying power from a power supply to a plurality of remote radio heads , comprising:a trunk power cable having a trunk power supply conductor and a trunk return conductor that are enclosed within a cable jacket and electrically insulated from each other;a plurality of remotely-controlled switches interposed between the trunk power cable and the respective remote radio heads that are configured to selectively electrically connect the trunk power supply conductor and the trunk return conductor to a respective one of the radio heads.2. The power cabling connection of claim 1 , wherein an end of the trunk power cable that is remote from the power supply terminates into a breakout enclosure and the switches are located within the breakout enclosure.3. The power cabling connection of claim 1 , further comprising a plurality of jumper cables claim 1 , each of the jumper cables having a respective power supply conductor and a respective return conductor claim 1 , wherein the switches are located in the respective power jumper cables.4. The power cabling connection of claim 1 , wherein the switches are included in respective inline devices that each include a pair of connectors.5. The power cabling connection of claim 1 , further comprising a switch controller that is configured to communicate with the switches via at least one of the trunk power supply conductor and the ...

METHOD FOR DEALING WITH ANOMALOUS CONDITIONS IN A REVERSE POWER NETWORK, AND POWER INJECTOR FOR USE IN SUCH A METHOD

Method for dealing with an anomalous condition in a local network including a power injector, said method comprising connecting the power injector to a communication line extending between the local network and a remote device, said power injector being capable of injecting power on the communication line, for reverse powering a remote device located outside the local network, and for powering any local device that is regularly connected to the communication line; said communication line being used for exchanging data between the remote device and the local network; recognizing when a power consumption behavior of the power injector deviates from a characteristic power consumption behavior of said remote device and of any regularly connected local device; and controlling the power injector when a deviation is recognized. 1. Method for dealing with an anomalous condition in a local network including a power injector , said method comprising:connecting the power injector to a communication line extending between the local network and a remote device, said power injector being capable of injecting power on the communication line, for reverse powering a remote device located outside the local network, and for powering any local device that is regularly connected to the communication line; said communication line being used for exchanging data between the remote device and the local network;recognizing when a power consumption behavior of the power injector deviates from a characteristic power consumption behavior of said remote device and of any regularly connected local device; andcontrolling the power injector when a deviation is recognized.2. Method of claim 1 , wherein controlling the power injector comprises ensuring that the injected power is below a predetermined level within a predetermined time period.3. Method of claim 1 , wherein a current and/or voltage and/or power behavior in the local network over time is measured claim 1 , and wherein a deviation is ...

Methods, Apparatus, Systems and Articles of Manufacture to Charge a Battery Based on an Electronic Device Skin Temperature

Methods, apparatus, systems, and articles of manufacture for a battery charging device are disclosed. Example battery charging devices include a temperature sensor to sense a skin temperature of an electronic device in which the battery is installed, and a current controller to control a magnitude of a charging current to be supplied to the battery. The current controller causes the magnitude of the charging current to oscillate between an upper level and a lower level and a current adjuster adjusts the upper level downwards and the lower level upwards based on the skin temperature sensed by the temperature sensor. In some examples, a memory device stores a thermal set point and a comparator compares the skin temperature to the thermal set point and transmits a control signal to the current adjuster based on the comparison of the thermal set point to the skin temperature. 1. A charging device comprising:a temperature sensor to sense a skin temperature of an electronic device, the charging device being installed in the electronic device;a current controller to control a magnitude of the charging current to be supplied to a battery installed in the electronic device, the current controller to cause the magnitude of the charging current to oscillate between an upper level and a lower level; anda current adjuster to adjust the upper level downwards and the lower level upwards based on the skin temperature sensed by the temperature sensor.2. A charging device as defined in claim 1 , further including:a memory device to store a store a thermal set point; anda comparator to compare the skin temperature to the thermal set point stored in the memory device, the comparator to transmit a signal to the current adjuster based on a plurality of comparisons made by the comparator.3. A charging device as defined in claim 1 , wherein the memory device is further to store a step value claim 1 , the step value representing an amount by which the current adjuster is to adjust the upper ...

METHOD AND APPARATUS FOR ALLOCATING POWER LEVELS TO A TRANSMISSION IN A DIGITAL SUBSCRIBER LINE NETWORK

Embodiments relate to a method, and a device for performing the method, for allocating power levels to a transmission in a DSL network, the method including: identifying a first and second geographical region as being associated with a subscriber line in the DSL network; defining a first spectral mask having a first set of power levels over a range of frequencies, wherein the first set of power levels are tailored according to a Radio Frequency, RF, environment of the first geographical region; defining a second spectral mask having a second set of power levels over the range of frequencies, wherein the second set of power levels are tailored according to an RF environment of the second geographical region; and constructing a transmit spectral mask for the subscriber line, the transmit spectral mask based on a combination of the first and second spectral masks, including, for each frequency in the range of frequencies, using the minimum power level for that frequency from the first and second spectral masks. 1. A method of allocating power levels for a transmission in a Digital Subscriber Line (DSL) network , the method comprising:identifying a first and second geographical region as being associated with a subscriber line in the DSL network;defining a first spectral mask having a first set of power levels over a range of frequencies, wherein the first set of power levels are tailored according to a Radio Frequency (RF) environment of the first geographical region;defining a second spectral mask having a second set of power levels over the range of frequencies, wherein the second set of power levels are tailored according to an RF environment of the second geographical region; andconstructing a transmit spectral mask for the subscriber line, the transmit spectral mask based on a combination of the first and second spectral masks, including, for each frequency in the range of frequencies, using the minimum power level for that frequency from the first and second ...

ELECTRONIC INDUCTANCE CIRCUIT FOR THE POWER SUPPLY OF A 2-WIRE BUS INTERCOM SYSTEM AND A DEVICE THEREOF

The present invention discloses an electronic inductance circuit for the power supply of a 2-wire bus intercom system and a device thereof. The electronic inductance circuit comprises a main circuit path along an inductor and a source terminal and a drain terminal of a FET between the input terminal and the output terminal of said electronic inductance circuit, in which said inductor is connected to said source terminal of said FET; a resistor and a freewheeling diode individually connected to said inductor in parallel; and a secondary circuit path along a capacitor connected with a second resistor in series between said input terminal and said output terminal, which is connected to said main circuit path in parallel. The solutions of the present invention achieve larger direct current power supply for the 2-wire intercom system and stable alternating current impedance with fast response to the DC power supply. 1. An electronic inductance circuit for a power supply of a 2-wire bus intercom system , wherein said electronic inductance circuit comprises:a main circuit path along an inductor and a source terminal and a drain terminal of a FET between an input terminal and an output terminal of said electronic inductance circuit, in which said inductor is connected to said source terminal of said FET;a resistor and a freewheeling diode individually connected to said inductor in parallel; anda secondary circuit path along a capacitor connected with a second resistor in series between said input terminal and said output terminal, which is connected to said main circuit path in parallel.2. The electronic inductance circuit according to claim 1 , wherein said inductor and said FET are connected in series.3. The electronic inductance circuit according to claim 1 , wherein said electronic inductance circuit further comprises: a second diode claim 1 , connected to said source terminal and said drain terminal of said FET in parallel.4. The electronic inductance circuit according ...

MOBILE POWER SUPPLY DEVICE WITH EXPANDING FUNCTION

The present invention discloses a mobile power supply device. The mobile power supply device includes at least one expansion interface, at least one transmission interface, a charging control unit, a battery, and an expansion control unit. The transmission interface is used for electrically connecting to an electronic host device. The charging control unit is electrically connected to the transmission interface and to at least one external power supply. The battery is electrically connected to the charging control unit. The charging control unit is used for controlling the external power supply to charge the battery and for controlling the battery to charge the electronic host device. The expansion control unit is electrically connected to the expansion interface and the transmission interface; the expansion control unit communicates with the external device via the expansion interface and communicates with the electronic host device via the transmission interface. 1. A mobile power supply device , used for charging an electronic host device , allowing at least one external device to communicate with the electronic host device via the mobile power supply device , the mobile power supply device comprising:at least one expansion interface;at least one transmission interface, used for electrically connecting to the electronic host device;a charging control unit, electrically connected to the at least one transmission interface and an external power supply;a battery, electrically connected to the charging control unit, wherein the charging control unit is used for controlling the external power supply to charge the battery and for controlling the battery to charge the electronic host device via the at least one transmission interface; andan expansion control unit, electrically connected to the at least one expansion interface and the at least one transmission interface, wherein the expansion control unit communicates with the at least one external device via the at ...

Cable Pair Stabilizer Unit and Method and System for Generating Sealing Current

The present subject matter relates to one or more devices, systems and/or methods for generating sealing current at a customer's premises or residence and injecting the sealing current into a DSL service provider's telephone cables to prevent the oxidation or corrosion of wire splices or connections on the telephone cables transporting DSL services. A cable pair stabilizer unit is connected at the customer's premises or residence, between the service provider's telephone cables and the customer's residential gateway/modem. The cable pair stabilizer unit comprises circuitry for generating the sealing current and for injecting the sealing current into the service provider's telephone cables transporting DSL services. The cable pair stabilizer unit may be combined with an AC/DC power supply adapter as a single, integrated device. The cable pair stabilizer unit may alternatively be combined with or inside of the Residential Gateway as a single, integrated device. 1. A device for generating sealing current and for injecting scaling current into a service provider's telephone cables transporting DSL services , from a customer's premises or residence having a residential gateway or modem , the device comprising:circuitry for generating the sealing current; andcircuitry for injecting the sealing current into the telephone cables.2. The device of claim 1 , further comprising at least one connection for connecting the device between the telephone cables and the residential gateway or modem.3. The device of claim 2 , further comprising at least one connection for connecting the device between a power supply and the residential gateway or modem.4. The device of claim 2 , wherein the at least one connection for connecting the device between the telephone cables and the residential gateway or modem is an RJ11 or RJ14 connection.5. The device of claim 2 , wherein the at least one connection for connecting the device between the telephone cables and the residential gateway or modem ...

QUICK CHARGING METHOD, MOBILE TERMINAL, AND POWER ADAPTER

Methods and devices are provided for quick charging. In the method, after a mobile terminal recognizes a type of a power adapter, the mobile terminal transmits indication information to the power adapter. The indication information is configured to indicate that the mobile terminal has recognized the type of the power adapter and instruct the power adapter to activate a quick charging process. The power adapter then negotiates with the mobile terminal via the quick charging process to determine charging parameters, and charges a battery of the mobile terminal in a multi-stage constant current mode. 1. A quick charging method applied in a power adapter , the power adapter being coupled to a mobile terminal via a USB interface , a power line of the USB interface being used for the power adapter to charge a battery of the mobile terminal , data lines of the USB interface being used for communication between the power adapter and the mobile terminal , the power adapter supporting a normal charging mode and a quick charging mode , a charging speed of the quick charging mode being greater than that of the normal charging mode , the method comprising:activating, by the power adapter, a quick charging communication process when the power adapter receives indication information for indicating that the mobile terminal has recognized a type of the power adapter from the mobile terminal, and transmitting, by the power adapter, a first instruction to the mobile terminal, the first instruction being configured to query whether the mobile terminal agrees to charge the battery in the quick charging mode;receiving, by the power adapter, a reply instruction of the first instruction from the mobile terminal, the reply instruction of the first instruction being configured to indicate that the mobile terminal agrees to charge the battery in the quick charging mode;conducting, by the power adapter, a handshake communication with the mobile terminal via a second instruction to determine a ...

Cellular Telephone Charger

The present disclosure relates to a charger () for wirelessly charging a cellular telephone (T). The charger () comprises a housing () for receiving a portion of the cellular telephone (T), and a charging panel () comprising means () for wirelessly charging the cellular telephone (T). The charging panel () is movably mounted C to the housing (). The charging panel () is movable between a non-charging position and a charging position. 1. An apparatus for wirelessly charging a cellular telephone , the apparatus comprising:a housing for receiving a portion of the cellular telephone; anda charging panel comprising a transmitter coil configured to wirelessly charge the cellular telephone;wherein the charging panel is movably mounted to the housing between a non-charging position and a charging position in response to the cellular telephone being inserted in the housing, and wherein the charging panel automatically aligns the cellular telephone for charging in the charging position.2. The apparatus of claim 1 , wherein the charging panel extends from the housing when the charging panel is in the charging position.3. The apparatus of claim 1 , wherein the charging panel is partially or completely retracted into the housing when the charging panel is in the non-charging position claim 1 , or wherein the charging panel extends transversely across an end of the housing when the charging panel is in the non-charging position.4. The apparatus of claim 1 , wherein the housing is configured to be mounted in a cup holder of a vehicle.5. The apparatus of claim 1 , wherein the transmitter coil is configured to transmit energy to a receiver coil of the cellular telephone to charge the cellular telephone when the charging panel is in the charging position.6. The apparatus of claim 5 , wherein the transmitter coil and the receiver coil are automatically aligned when the cellular telephone is inserted in the housing.7. The apparatus of claim 5 , comprising a switch that detects the ...

ACCESS NODE AND METHOD

An all-encompassing fully integrated communication Access Node for call stations and other security and communications equipment includes a modular housing within which is mounted wire and wireless communication systems and power systems. The housing has a chassis for mounting the electronics and battery modules and a backbox and panel for staged installations, managing cables and providing heat dissipation. A door to the chassis is secured using latch hooks with roller bearings. Optical cable termination is provided as a two sided patch panel. Dual power supplies provide power to internal components and to external components via a distribution module. Backup power is provided by a custom battery backup with a charging controller. Cooling is controlled by dual fans and a fan controller moving air through the housing using openings and baffles. Freestanding pedestal mounting of the Access Node and various other mounts for column, wall, or ceiling to any substrate or condition is an option. Venting through a plug prevents pressure build up. 1. An Access Node for a communication system , comprising: a chassis configured for mounting electronic modules; and', 'a door mounted on the chassis by a hinge for movement between an open position and a closed position;, 'a housing havinga plurality of pockets on the door;a sliding bar mounted in the chassis and operable to move in a sliding motion between a first position and a second position;a plurality of latch hooks mounted on the sliding bar; the latch hooks each including a hook portion shaped to engage into respective ones of the plurality of pockets when the sliding bar is moved to the second position and the door is in the closed position; anda roller bearing mounted on the hook portion of each of the plurality of latch hooks.2. An Access Node as claimed in claim 1 , further comprising:an adjustable mounting between the sliding bar and the latch hooks; andat least one set screw in each of the latch hooks, the set screw ...

METHOD AND APPARATUS FOR PROVIDING ELECTRICAL POWER TO A BROADBAND DIGITAL SUBSCRIBER LINE ACCESS

Power is supplied to telecom equipment in DSLAM outdoor/remote cabinets with relatively short distances between the subscriber and the cabinet. All of the subscriber Customer Premises Equipment connected to the DSLAM each provide a portion of the required power to the remote cabinet via the telephone line connecting the DSLAM and the subscriber CPE. The CPE at the subscriber premises is already connected to power mains in the subscriber premises so, providing power, via the telephone line to the outdoor cabinet is relatively simple. The remote cabinet includes a circuit for receiving the power input from each subscriber and then distributing the power, required by the DSLAM load, equally among the subscribers. 1. A method performed by a remote device for providing power to the remote device connected to a network , the method comprising:providing telecom service from the remote device to a plurality of subscriber's premises via a respective wireline, wherein each of the plurality of subscriber's premises is configured to connect electrical power from a power circuit in each of the plurality of subscriber's premises to the respective wireline, wherein the electrical power is converted from AC power to DC power and the DC power is a regulated DC power;regulating an amount of power drawn from a subscriber's customer premises equipment based on a number of connected subscriber's customer premises equipment; andreceiving the regulated DC power via the respective wireline, wherein the remote device includes DC voltage regulation circuits to match electrical power requirements for the remote device.2. The method of claim 1 , wherein the remote device receives power from other sources.3. The method of claim 1 , wherein the telecom service is one of:Asymmetric Digital Subscriber Line (ADSL),Symmetric Digital Subscriber Line (SDSL),{'b': 2', '2, 'Very High Speed Digital Subscriber Line (VDSL)'}ISDN Digital Subscriber Line (IDSL), andSymmetric High-speed Digital Subscriber ...

SYSTEMS AND METHODS FOR PROVIDING BACK POWER TO A SERVICE UNIT

A combination of algorithms and circuits are used to combine POTS, high-speed bi-directional data, and back-powering onto the drop connection for fiber to the distribution point architectures. A telephone adapter device can be utilized to prevent damage from back-powering occurring at POTS telephones connected to the drop connection. In addition, circuits are used to prevent damage from back-powering occurring at POTS telephones directly connected to the drop connection. A circuit is used to provide more consistent power to the electronics at the distribution point even when the input back-power to the distribution point may fluctuate. 1. A telecommunication system comprising:a data unit located at a customer premises, the data unit coupled to a power source;a service unit coupled to a network to receive a high-speed data stream from the network, the service unit configured to transmit data from the high-speed data stream across a drop connection to the data unit;the data unit configured to provide a direct current (DC) voltage to the service unit over the drop connection;the service unit comprising a first sensor, the first sensor configured to measure a first parameter corresponding to current used by the service unit, the service unit configured to communicate the measured first parameter to the data unit;the data unit comprising a second sensor, the second sensor configured to measure a second parameter corresponding to current provided by the data unit; andthe data unit configured to determine a system condition using the first parameter and the second parameter and generate a control signal in response to determining a system condition.2. The system of claim 1 , wherein:the first sensor comprises a first current detector, the first current detector configured to measure current used by the service unit;the second sensor comprises a second current detector, the second current detector configured to measure current provided by the data unit; andthe data unit is ...

POWER BANK SYSTEM

Power bank system. In one embodiment, a power bank system includes a docking station and a power bank configured to dock with the docking station such that the power bank is configured to provide electrical power to the docking station while the power bank is docked with the docking station.

ADAPTIVE INDUCTIVE POWER SUPPLY WITH COMMUNICATION

An adaptive inductive ballast is provided with the capability to communicate with a remote device powered by the ballast. To improve the operation of the ballast, the ballast changes its operating characteristics based upon information received from the remote device. Further, the ballast may provide a path for the remote device to communicate with device other than the adaptive inductive ballast. 1. A method for supplying power from an inductive power supply to a remote device , said method comprising:receiving, in the inductive power supply, load information from the remote device;maintaining a remote device list in memory, the remote device list capable of including a plurality of present remote devices; andconfiguring the inductive power supply to supply power based on the load information.2. The method of further comprising obtaining at least one of an amount of voltage and an amount of current required to power the remote device from a database of remote device power information maintained in memory claim 1 , wherein the load information includes a remote device ID that is a key to the database.3. The method of wherein receiving load information includes receiving claim 1 , in the inductive power supply claim 1 , at least one of an amount of voltage required to power the remote device claim 1 , an amount of current required to power the remote device claim 1 , and power requirements of the remote device.4. The method of further comprising receiving load information from a different remote device.5. The method of wherein both of the remote devices are the same type of device and have the same load information.6. The method of wherein both of the remote devices are the same type of device and have different load information.7. The method of further comprising assigning a different device number to each remote device.8. The method of wherein maintaining the remote device list includes updating the remote device list in response to at least one of a change in ...

Method, Device and System for Isolating Services, DPU and Network Adapter

Provided are a method, device and system for isolating services, a Distributed Point Unit (DPU), a network adapter. The method includes that: a physical division manner, used for service isolation, of a twisted pair connected between a DPU on an access network side and a network adapter on a user side is determined, wherein the physical division manner includes at least one of: a time division manner, a frequency division manner and a line space division manner; and isolation processing is performed, according to the determined physical division manner, on a Plain Old Telephone Service (POTS) and a reverse power supply service executed on the DPU by user-side equipment, which are transmitted on the twisted pair. By such a method, the problem that the POTS and the reverse power supply service executed on the DPU by the user-side equipment, which are transmitted on the twisted pair, may not coexist in the related art is solved, and the effect of improving a user experience is further achieved. 1. A method for isolating services , comprising:determining a physical division manner, used for service isolation, of a twisted pair connected between a Distributed Point Unit (DPU) on an access network side and a network adapter on a user side, wherein the physical division manner comprises at least one of: a time division manner, a frequency division manner and a line space division manner; andperforming, according to the determined physical division manner, isolation processing on a Plain Old Telephone Service (POTS) and a reverse power supply service executed on the DPU by user-side equipment, which are transmitted on the twisted pair.2. The method as claimed in claim 1 , wherein determining the physical division manner claim 1 , used for the service isolation claim 1 , of the twisted pair connected between the DPU on the access network side and the network adapter on the user side comprises:when there is merely one twisted pair between the DPU and the network adapter, ...

Extended signaling system and method

Embodiments are described that include a “front end” device located remotely from a local telephone location. The front end filters DC and AC current on a telephone line to separate these signals and passes a DC current through a low resistance Low Pass Filter without traditional resistance or current limiting means. The front end also provides signaling capability isolated from the DC and audio channels by a High Pass Filter. Some embodiments also include a “back end” unit located near a local telephone location. The “back end” unit filters the DC and AC currents into at least two DC current streams. One of the DC current streams provides sufficient current to power a local telephone. The other stream(s) provides current sufficient to power an auxiliary device. The “back end” device may also provide signaling isolated from the DC and audio channels that is complementary to the “front end” signaling.

ACCESS NODE AND METHOD

An all-encompassing fully integrated communication Access Node for call stations and other security and communications equipment includes a modular housing within which is mounted wire and wireless communication systems and power systems. The housing has a chassis for mounting the electronics and battery modules and a backbox and panel for staged installations, managing cables and providing heat dissipation. A door to the chassis is secured using latch hooks with roller bearings. Optical cable termination is provided as a two sided patch panel. Dual power supplies provide power to internal components and to external components via a distribution module. Backup power is provided by a custom battery backup with a charging controller. Cooling is controlled by dual fans and a fan controller moving air through the housing using openings and baffles. Freestanding pedestal mounting of the Access Node and various other mounts for column, wall, or ceiling to any substrate or condition is an option. Venting through a plug prevents pressure build up. 1. A method for communicating with a plurality of call stations , comprising:enclosing a plurality of electronics and communications modules in an elongated housing to provide an Access Node; fastening a chassis to the rear panel;', 'securing a door in a closed position on the chassis to form an interior space;, 'mounting the Access Node at a mounting location, the mounting including mounting a rear panel to a mounting location;'}linking the Access Node to a plurality of call stations by communication links; andreceiving a communication from one of the call stations at the Access Node.2. A method as claimed in claim 1 , further comprising:cooling the electronics and communications modules by directing an air flow in a circulating path within the interior space, the circulating path passing air over the rear panel for dissipation of heat through the rear panel.3. A method as claimed in claim 1 , further comprising:securing the door ...

키폰 시스템에서 정전시 국선 대피회로

키폰시스템에 공급되는 상용 전원이 정전시 PSTN(Public Switching Telephone Network)의 국선(Central office line)을 일반 전화기로 대피시키는 정전 대피 모듈에 관한 것이다. 상기 국선 대피 회로는, 일측이 시스템의 국선 카드에 연결된 국선 카드 챔프 콘넥터와, 상기 국선 카드 챔프 콘넥터에 병렬 접속되며, 일측이 국선 라인의 국선 라인의 팁 및 링이 접속되고 타측이 릴레이 스위치의 노말 크로스 단자에 접속된 국선 라인 챔프 콘넥터와, 일측이 상기 시스템의 내선 가입자 인터페이스 카드에 연결되고 타측이 릴레이 스위치의 노말 오픈 단자에 접속된 가입자 카드 챔프 콘넥터와, 일측이 내선 일반 전화기의 팁, 링 단자에 접속되며 타측이 상기 릴레이 스위치의 공통단자에 접속된 전화기 챔프 콘넥터와, 전원전압의 입력에 응답하여 상기 릴레이의 공통단자와 상기 노말 오픈 단자를 접속하고, 전원전압의 차단에 의해 상기 릴레이의 공통단자가 상기 노말 크로스 단자에 접속하도록 구동하는 릴레이 구동회로를 포함하여 구성된다. PFT, 정전대피회로, 국선대피회로, 챔프 콘넥터,

Power supply method in exchange when electricity fails

The method updates the states of the loop constantly to a back-up RAM to reconstruct the loop utilizing the information on the back- up RAM when a exchange system restarts after the instantaneous power failure. A RAM of main apparatus consists of a back-up RAM capable of holding data even at power failure and a RAM utilized as system program and data processing region. The back-up RAM has a memory buffer region in which information of the trunk and inner line states are recorded under the control of a first CPU. The method includes steps: (A) checking the loop in use when the initial power is applied; (B) initializing the RAM and a switching network when no loop exists; (C) setting the line seizure bit; (D) initializing the line seizure time.

端末制御装置の信号分離制御方式

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

電源制御方式

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

가입자 라인을 구동하기 위한 인터페이스 집적회로

전화선을 구동하기 위한 집적 전화 인터페이스 회로는 전화선에 접속된 출력단자와 접속되어 있는 라인 전류센서및 페이스 컨버터를 포함한다. 상기 회로는 , 컨버터와 출력단자에 접속된 비교기와, 비교기의 출력단에 동작적으로 연결된 제어및 모니터링회로와, 컨버터의 입려단 뿐만아니라 전류 센서 및 출력단 접속된 다수의 스위치에 포함되는 허위신호의 발생에 대한 보호장치를 장착한다. 상기 스위치는, 비교기에 대한 예정된 임계치가 초과될때 공급라인의 극성을 반전시키는 제어 및 모니터링회로의 각각의 출력에 동작적으로 연결된다.

Feeding circuit

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Car telephone equipment

Detection circuit

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Feeding circuit

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Data transmitting system and its control circuit

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Battery-charging recognizing method

내용 없음.

Rear underview mirror for automobile

(57)【要約】 【課題】 本発明は、電話のライン回路、特に該回路に おける電力消費の減少と、該回路からインダクタを除去 できる技術を提供することを目的とする。 【解決手段】 本発明のバッテリ・フィード・システム は、電力供給回路（Ｒ３、Ｒ４、Ｒ７、Ｒ９、Ａ１） と、フィルタ回路（Ｑ１、Ｑ２、１Ｒ１、１Ｒ２、Ｃ １）と、それぞれがチップ出力とリング出力とからなる 第１と第２の出力対（Ｔ１とＲ１、Ｔ２とＲ２）と、各 々の該出力対の間（Ｔ１とＲ１の間とＴ２とＲ２の間） に流れるループ電流を検出するループ電流検出器（Ｑ ７、Ｑ８、Ｑ９）とからなる。

Current supply circuit

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Current Limiting Subscriber Interface Circuit

전화 주 교환기와 전화 가입자선 사이의 전자인터페이스회로가 주교환 배터리(UP) 전화선(LN)용 공급브리지를 형성하고 미리 결정된 임계값(ILIM)으로 선전류(IL)를 제한하도록 되어 있다. 공급브리지의 전압/전류 특성은 임계전류(ILIM)보다, 낮은, 선전류(IL)값에 대해 균형잡히고 선전류(IL)가 임계값(ILIM)을 가질 때마다 균형 잡히지 않는다. The electronic interface circuit between the telephone main switch and the telephone subscriber line forms a supply bridge for the main switched battery UP telephone line LN and limits the line current IL to a predetermined threshold ILIM. The voltage / current characteristic of the supply bridge is balanced against the value of line current IL, which is lower than the threshold current ILIM and not balanced each time the line current IL has a threshold ILIM.

Limiting system for direct current of subscriber line

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Call-current supplying circuit

Subscriber line interface circuit

The subscriber line interface circuit receives and twice inverts currents from a two-wire subscriber line and returns the currents to the subscriber line so that longitudinal input impedance is low. Any differential input current in the subscriber lines is bypassed by a capacitor, so that differential input impedance is very high. The circuit also sends a signal current from one system having one ground to another system having a different ground through one current path, while sending another current, having a phase opposite and amplitude equal to the signal current through another path.

Power feeding and two/four wire conversion system

Control method of power saving in temporary switching system

간이전자교환장치에 있어서 전원공급방법에 관한 것이다. 시스템의 주전원이 다운된 경우 보조전원의 용량을 감안하여 적절하게 시스템을 운영함으로써 주전원이 복구될 때까지 안전하게 시스템의 신뢰도를 유지할 수 있도록 하는 방법을 제공함에 있다. The present invention relates to a power supply method in a simple electronic switching device. When the main power of the system is down, it is possible to maintain the reliability of the system safely until the main power is restored by properly operating the system in consideration of the capacity of the auxiliary power. 본 간이전자교환장치에서는 임의의 내선가입자가 전원절약모드의 설정을 요구하면 해당 내선 전화기의 표시수단 구동중지명령을 송신하고 이후로부터 상기 내선전화기에 대한 호를 차단하고 데이타 통신만을 허락한다. 또한 상기 전원절약모드가 설정된 상기 내선전화기로 임의의 호가 발생되면 그 호출측으로 상기 내선전화기가 전원절약모드에 있음을 알려주는 메시지를 송신함을 특징으로 한다. In the present simple electronic switching device, if any extension subscriber requests the setting of the power saving mode, the display unit transmits a command to stop the display means of the extension telephone, and subsequently blocks the call to the extension telephone and permits only data communication. In addition, when a call is made to the extension telephone set to the power saving mode, the caller may transmit a message indicating that the extension telephone is in the power saving mode. 시스템의 주전원이 다운된 경우 복구될 때까지 안전하게 시스템의 신뢰도를 유지할 수 있도록 보조전원의 용량을 감안하여 적절하게 시스템을 운용하는 데 이용한다. When the main power of the system is down, it is used to operate the system properly considering the capacity of the auxiliary power so that the reliability of the system can be safely maintained until recovery.

Cpu reset circuit of simple switch

The reset circuit of a PABX is for executing reset program and for diagnose errors in an operating program. The circuit includes a battery backup unit(2) for supplying power to a RAM(1) when main Vcc is failed, a power failure detector(3) for controlling battery backup unit(2) and timer IC according to input power failure, a controller(5) for resetting a CPU and for controlling an emergency switch(6) according to watchdog signal generated in a CPU(4), and an emergency switch(6) for switching stationary lines according to control signal transmitted from the CPU(4).

Battery type determination method and battery type determination device

Cordless telephone set

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Power supply circuit of terminal device

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

An arrangement for controlling subscriber interface circuits

在用于凭借来自被连接到用户专用线接口电路(1，2，3)的控制电路(5)的模式控制信号控制用户专用线接口电路(1，2，3)操作模式的装置中，用户专用线接口电路(1，2，3)至少包含一个在控制电路(5)和用户专用线接口电路(1，2，3)之间互连的锁存器(L1，L2，L3)。锁存器(L1，L2，L3)适合于锁住从控制电路(5)接收到的模式控制信号，以响应从控制电路(5)接收到的允许锁存信号，并且将那些锁存模式控制信号施加于用户专用线接口电路(1，2，3)以控制其操作模式。

Power feeding system for exchanger

Power supply device

A supply circuit for a two-wire line is included in a DC-magnetized hybrid transformer in which the two primary windings (l1, l2, l1', l2') are magnetically coupled to two pairs of secondary windings (l3, l4). The primary winding is divided into two parts to form an auto transformer and the supply circuit (Eo, R1b, R2b) is connected to the common connection points of the parts. The supply circuit includes two resistor networks which each consists of a PTC-resistor (Rp1, Rp2) in parallel with a temperature dependent resistor (R1, R2) to limit the feed current at varying line length.

Dc feed circuit

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Pulse signal transmission system for control between telephone exchanger and its terminal device

Method and Apparatus for Connecting AC Powered Switches, Current Sensors and Control Devices Via Two Way IR, Fiber Optic and Light Guide Cables

A method for connecting an AC powered device, which has an optical receiver, with a control circuit, which has an optical transmitter, using at least on optical medium cable includes the steps of terminating the cable at both of its ends, introducing the processed cable between the receiver and transmitter, attaching and securing one end of the processed cable to the transmitter and the other end of the processed cable to the receiver, and propagating a one way optical signal including control commands from the control circuit to the powered device.

Method and apparatus for connecting AC powered switches, current sensors and control devices via two way IR, fiber optic and light guide cables

A method for connecting an AC powered device, which has an optical receiver, with a control circuit, which has an optical transmitter, using at least on optical medium cable includes the steps of terminating the cable at both of its ends, introducing the processed cable between the receiver and transmitter, attaching and securing one end of the processed cable to the transmitter and the other end of the processed cable to the receiver, and propagating a one way optical signal including control commands from the control circuit to the powered device.

Method and apparatus for connecting AC powered switches, current sensors and control devices via two way IR, fiber optic and light guide cables

A method for connecting an AC powered device, which has an optical receiver, with a control circuit, which has an optical transmitter, using at least on optical medium cable includes the steps of terminating the cable at both of its ends, introducing the processed cable between the receiver and transmitter, attaching and securing one end of the processed cable to the transmitter and the other end of the processed cable to the receiver, and propagating a one way optical signal including control commands from the control circuit to the powered device.

Method and apparatus for connecting AC powered switches, current sensors and control devices via two way IR, fiber optic and light guide cables

A method for connecting an AC powered device, which has an optical receiver, with a control circuit, which has an optical transmitter, using at least on optical medium cable includes the steps of terminating the cable at both of its ends, introducing the processed cable between the receiver and transmitter, attaching and securing one end of the processed cable to the transmitter and the other end of the processed cable to the receiver, and propagating a one way optical signal including control commands from the control circuit to the powered device.

Subscriber's line feeding system

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Overvoltage protecting circuit for slic

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Electronic inductive circuit for power supply source of intercom system with double-wire bus and its arrangement

FIELD: electricity. SUBSTANCE: electronic inductive circuit for power supply source of intercom system with double-wire bus comprises the following: the main circuit line that includes an inductor coil and source output and FET drain output between input lead and output lead of the electronic inductive circuit, at that the inductor coil is coupled with FET drain output; resistor and protective diode are coupled to the inductance coil in parallel individually; auxiliary circuit line through inductor coil coupled in series to the second resistor between the above input lead and the above output lead, at that the auxiliary circuit line is connected in parallel to the main circuit line. EFFECT: large direct current is provided with large alternate current impedance. 10 cl, 4 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК H03H 11/48 (13) 2 568 945 C2 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2014115341/28, 16.04.2012 (24) Дата начала отсчета срока действия патента: 16.04.2012 (73) Патентообладатель(и): АББ ТЕКНОЛОДЖИ ЛТД. (CH) (43) Дата публикации заявки: 27.10.2015 Бюл. № 30 R U Приоритет(ы): (22) Дата подачи заявки: 16.04.2012 (72) Автор(ы): ЧЖОУ Далин (CN), ЧЖАН Янпэн (CN), ЛЮ Минюань (CN) (45) Опубликовано: 20.11.2015 Бюл. № 32 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 16.04.2014 (86) Заявка PCT: CN 2012/074135 (16.04.2012) 2 5 6 8 9 4 5 (56) Список документов, цитированных в отчете о поиске: DE 3804250 C1, 27.07.1989. US 3643129 A, 15.02.1972. US 6087823 A, 11.07.2000. US 7443232 B2, 28.10.2008. 2 5 6 8 9 4 5 R U WO 2013/155669 (24.10.2013) C 2 C 2 (87) Публикация заявки PCT: Адрес для переписки: 109012, Москва, ул. Ильинка, 5/2, ООО "Союзпатент" (54) ЭЛЕКТРОННАЯ ИНДУКТИВНАЯ ЦЕПЬ ДЛЯ ИСТОЧНИКА ЭЛЕКТРОПИТАНИЯ СИСТЕМЫ ИНТЕРКОМА С ДВУХПРОВОДНОЙ ШИНОЙ И УСТРОЙСТВО (57) Реферат: Изобретение относится к области техники вторым резистором, между указанным входным системы интеркома ...

Isdn telephone system

The circuit for releasing the power source in integrated services digital network (ISDN) telephone comprises: a CPU (30) controlling the system; an interrupt generator (10) generating the interrupt signal according to the change of input voltage; a generator (20) generating the reset signal by control signal of CPU; a NV-ram (40) storing the program data by control signal of CPU; a discriminator connected to the port 2 of CPU and generating the discriminant signal on the power source release. This circuit is useful for cost reduction by decreasing the size and capacitance of battery in time of system back-up.

Current supply circuit

Hybrid circuit

Emergency calling system

The method is especially for the system connected in parallel to long-distance communication line not having power supply. Operational scheme for the emergency phone system is available an No.87-11292 patent application. The control for the system is completed through stages; message receiving periodically, respense condition detecting on-line detecting line-hold signal sending conversation checking and signalling call-end to message receiving stage. Control for telephone is done by hand-set up/down checking call request checking call line complete message send receive stage ring back tone signalling call line complete stage message anayzing message tone signalling step.

Retrofittable battery cabinet for telecommunications enclosures

A retrofit battery cabinet for telecommunications equipment. A 48 volt DC or other battery power supply is held in a retrofit battery cabinet to provide a retrofittable battery power supply to telecommunications cabinets. Dual and separately operable battery trays provide a weight-bearing capacity of more than 500 pounds each. The battery trays extend through an open front end of a housing be sealed by a removable door. The weight load exerted by the retrofit battery cabinet is supported by the concrete or other pad providing ultimate support to the entire configured assembly, and not by the associated telecommunications equipment cabinet. Outriggers, mounting brackets, and nesting of the housing beneath the telecommunications cabinet serve to secure the retrofit battery cabinet in place, ensuring the electrical connection between the batteries and the telecommunications equipment without direct attachment of the retrofit battery cabinet to the telecommunications cabinet support columns. Exhaust fans shrouded by the outriggers ventilate hydrogen gas and provide a more controlled thermal environment for the batteries. The removable door may have a full-length front vent at its base or, alternatively, a duct may connect the retrofit battery cabinet to a subterranean or other thermal reservoir for constant-temperature air flow. A thermostat, timer or timers, alarm reset, battery connections, fuses, breakers, and the like may be held and made easily and readily available at a central console. An intrusion alarm may alert a central monitoring station or control of removal of the front door panel.

Cordless telephone system

내용 없음. No content.

Overcurrent protecting circuit

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Line circuit

Optical media converter system

광미디어 컨버터 시스템이 옥외 설치용 광미디어 컨버터와 옥내 설치 장치로 분할되며, 이들은 전기 이더넷 케이블을 통해 서로 접속된다. 옥내 설치 장치는 2개의 전기 이더넷 종단과 옥내에서 옥외로 전력을 공급하기 위한 전원부를 포함한다. 옥외 설치용 광미디어 컨버터는 광-전기 컨버터, 광 이더넷 종단, 전기 이더넷 종단, 및 옥내에서 공급된 전력에 의해 전원을 발생시키기 위한 전원부를 포함한다. 이러한 구성에 의해, 광섬유 케이블을 옥내로 인입할 필요성을 제거하고 배선 작업과 관련한 코스트를 절감할 수 있고 코스트 절감면에서 회로 설계가 유리한 광미디어 컨버터 시스템이 제공된다. The optical media converter system is divided into an optical media converter for indoor installation and an indoor installation device, which are connected to each other via an electric Ethernet cable. The indoor installation device includes two electrical Ethernet terminations and a power supply for supplying power from indoors to outdoors. The optical media converter for outdoor installation includes an optical-to-electric converter, an optical Ethernet termination, an electrical Ethernet termination, and a power supply for generating power by power supplied indoors. This configuration eliminates the need to introduce fiber optic cables indoors and provides an optical media converter system that can reduce the costs associated with wiring work and which is advantageous in circuit design in terms of cost reduction. 광미디어 컨버터, 전력 공급, 광섬유, 전기 이더넷, 광 이더넷 Optical Media Converters, Power Supplies, Fiber Optics, Electrical Ethernet, Optical Ethernet

Power supply control system for communication system

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Interface circuit for subscribing line

LINE CIRCUIT.

Electric network for use in a subscriber's loop

ABSTRACT: An electric network for use in a subscriber's loop, comprising at least two connecting terminals for supplying thereto a current flowing in the subscriber's loop, the network comprising the series arrangement of a capacitive element and a switching device and a threshold device coupled to the connecting terminals and the switch-ing device for either coupling or not coupling, depending on the polarity and the value of the current, the capac-itive element to the terminals of the network. This results in a network in which the capacitor value can be chosen optimum for voice and ringing currents but eliminated from the circuit during dialing so that the dialing pulses are not distorted thereby due to cha?ging currants as was the case with the prior art networks.

Patent FR2414272B1

Active dipole gyrator for telephone line - uses transistor with base coupled to output of operational amplifier

The dipole gyrator, exhibits a high impedance for AC current and a low resistance to DC current. The gyrator is placed in each supply branch to a telephone line, to reduce coupling between different lines coupled to the same supply. It uses a transistor (T) as the active element, whose collector is coupled directly to one terminal (A) and its emitter coupled via a resistor to another terminal (A'). The transistor base is coupled to the output of an operational amplifier (OP). The non-inverting input (V1) of the amplifier (OP) is connected to the first terminal (A) via a resistor (RB) and to the second terminal (A') via a resistor (RP) and capacitor (C) in parallel. The inverting input (V2) of the amplifier (OP) is coupled to the transistor emitter.

Patent FR1591626A

TELEALIMENTATION CIRCUIT FOR ANALOGUE BIFILAR LINK

CIRCUIT DE TELEALIMENTATION POUR LIAISON BIFILAIRE ANALOGIQUE. CE CIRCUIT COMPREND AU MOINS UNE SOURCE DE COURANT 50, INSEREE ENTRE LA MASSE ET CHACUN DES DEUX FILS 15, 16 DE LA LIAISON, DEUX DIPOLES SERIE RC 61, 62 INSERES CHACUN ENTRE LA MASSE ET LESDITS DEUX FILS ET UN CIRCUIT 70 APTE A FIXER A LA MASSE LE POTENTIEL DESDITS FILS. APPLICATION EN TELEPHONIE, ET DANS L'ALIMENTATION DE CAPTEURS. REMOTE POWER SUPPLY CIRCUIT FOR ANALOGUE TWO-WIRE LINK. THIS CIRCUIT INCLUDES AT LEAST ONE SOURCE OF CURRENT 50, INSERTED BETWEEN EARTH AND EACH OF THE TWO WIRES 15, 16 OF THE LINK, TWO RC 61 SERIES DIPOLES, 62 INSERTED EACH BETWEEN EARTH AND THE SAID TWO WIRES AND A CIRCUIT 70 SUITABLE TO FIX AT THE GROUND THE POTENTIAL OF THE SAID WIRES. APPLICATION IN TELEPHONY, AND IN SENSOR SUPPLY.

Patent FR2437757B2

Patent FR2403690B1

Managing power in a line powered network element

A system for managing power from a power source (108) for at least one line powered element in an access network (102) is provided. The system includes a power manager (104) that establishes at least one power criterion for the at least one network element. Further, the system includes a power controller (106) that is responsive to the power manager (104). The power manager (104) and the power controller (106) communicate to manage operation of the at least one network element based on the at least one power criterion.

ELECTRICAL NETWORK INTENDED TO BE INSERTED BY A PAIR OF TERMINALS IN A TELEPHONE SUBSCRIBER LOOP

Réseau électrique polarisé destiné à être inséré par une paire de bornes dans une boucle de raccordement d'abonné téléphonique et comportant au moins un élément capacitif destiné à procurer au réseau, pour les courants variables, une impédance au moins égale ou au plus égale à une impédance déterminée. Ce réseau comporte au moins un dispositif interrupteur commandé pour connecter ou non ledit élément capacitif dans le réseau, suivant que le réseau est traversé ou non par un courant de sens déterminé supérieur à un certain seuil de courant. On obtient un réseau ayant un comportement optimum pour les différents signaux échangés dans la boucle. Application : dispositifs insérés dans une boucle de raccordement d'abonné téléphonique.

DEVICE FOR SUPPLYING A SUBSCRIBER STATION

L'INVENTION CONCERNE L'ALIMENTATION D'UN POSTE D'ABONNE. LE DISPOSITIF D'ALIMENTATION COMPORTE, OUTRE UN TRANSFORMATEUR, UN CIRCUIT DE MESURE RELIE A LA LIGNE D'ABONNE, ET UN CIRCUIT DE RECEPTION, LE CIRCUIT DE MESURE ETANT RELIE PAR UN CIRCUIT DE REGLAGE D'IMPEDANCE AU CIRCUIT DE RECEPTION, LE CIRCUIT DE RECEPTION RECEVANT UN SIGNAL DE RECEPTION ET DELIVRANT UN SIGNAL AU TRANSFORMATEUR. LE DISPOSITIF D'ALIMENTATION COMPREND EN OUTRE UN CIRCUIT D'EMISSION, RELIE AU CIRCUIT DE MESURE, ET RECEVANT LEDIT SIGNAL DE RECEPTION A TRAVERS UN CIRCUIT D'EQUILIBRAGE PERMETTANT D'ANNULER LE SIGNAL DELIVRE PAR LE CIRCUIT D'EMISSION LORSQUE LE POSTE D'ABONNE EST EN RECEPTION. APPLICATION AU TELEPHONE. THE INVENTION RELATES TO THE SUPPLY OF A SUBSCRIBER STATION. THE POWER SUPPLY DEVICE INCLUDES, IN ADDITION TO A TRANSFORMER, A MEASURING CIRCUIT CONNECTED TO THE SUBSCRIBER LINE, AND A RECEPTION CIRCUIT, THE MEASURING CIRCUIT BEING CONNECTED BY AN IMPEDANCE ADJUSTMENT CIRCUIT TO THE RECEPTION CIRCUIT, THE CIRCUIT RECEPTION RECEIVING A RECEPTION SIGNAL AND DELIVERING A SIGNAL TO THE TRANSFORMER. THE POWER SUPPLY DEVICE ALSO CONSISTS OF A TRANSMIT CIRCUIT, CONNECTED TO THE MEASURING CIRCUIT, AND RECEIVES ITS RECEPTION SIGNAL THROUGH A BALANCING CIRCUIT ALLOWING TO CANCEL THE SIGNAL DELIVERED BY THE TRANSMISSION CIRCUIT WHEN THE D STATION THE SUBSCRIBER IS RECEIVING. APPLICATION TO THE PHONE.

Patent FR2373927B1

ENERGY DISTRIBUTION SYSTEM FOR ELECTRONIC ASSEMBLIES

SYSTEME DE DISTRIBUTION D'ENERGIE POUR ENSEMBLES ELECTRONIQUES. CE SYSTEME DE DISTRIBUTION COMPREND UNE ALIMENTATION PRIMAIRE RELIEE AU RESEAU ALTERNATIF SR ET COMPOSEE D'UNE SOURCE NORMALE SA ET D'UNE SOURCE DE SECOURS SB, ET UNE ALIMENTATION SECONDAIRE COMPOSEE DE SOURCES REGULEES CA, CB IMPLANTEES DANS LES ENSEMBLES ELECTRONIQUES E DESSERVIS. LA SOURCE NORMALE SA EST RELIEE A UN PREMIER GROUPE DE SOURCES REGULEES CA, LA SOURCE DE SECOURS SB EST RELIEE A UN GROUPE DE CES SOURCES REGULEES CB AINSI QU'A UNE BATTERIE TAMPON B. L'INVENTION S'APPLIQUE A L'ALIMENTATION D'ENSEMBLES ELECTRONIQUES EN PARTICULIER POUR LES TELECOMMUNICATIONS ET L'INFORMATIQUE. ENERGY DISTRIBUTION SYSTEM FOR ELECTRONIC UNITS. THIS DISTRIBUTION SYSTEM CONSISTS OF A PRIMARY POWER SUPPLY CONNECTED TO THE ALTERNATIVE NETWORK SR AND COMPOSED OF A NORMAL SA SOURCE AND OF A EMERGENCY SOURCE SB, AND A SECONDARY POWER SUPPLY COMPOSED OF REGULATED CA, CB SOURCES IMPLANTED IN THE ELECTRONIC ASSEMBLIES E SERVED. THE NORMAL SA SOURCE IS CONNECTED TO A FIRST GROUP OF CA REGULATED SOURCES, THE SB BACKUP SOURCE IS CONNECTED TO A GROUP OF THESE CB REGULATED SOURCES AS WELL AS A BUFFER BATTERY B. THE INVENTION APPLIES TO THE D POWER SUPPLY ELECTRONIC ASSEMBLIES IN PARTICULAR FOR TELECOMMUNICATIONS AND COMPUTING.

METHOD OF OPTIMIZING THE ELECTRICAL CONSUMPTION OF A RESIDENTIAL GATEWAY

La présente invention concerne un procédé d'optimisation de la consommation électrique d'une passerelle résidentielle comportant au moins un port FXS auquel est raccordé un téléphone analogique via une ligne, ledit port FXS étant configuré à partir d'un couple de points de polarisation, dit de défaut, qui définit des caractéristiques de tension et de courant maximales de la ligne qui sont prédéterminées pour assurer le bon fonctionnement du téléphone en mode raccroché ou décroché quel que soit le type de ce téléphone. Le procédé est caractérisé en ce qu'il comporte les étapes suivantes : - mémoriser (1) au moins un autre couple de points de polarisation, dit économique, qui définit des caractéristiques de tension et de courant maximales de la ligne qui sont inférieures à celles définies par le couple de points de polarisation de défaut, - sélectionner (2) un couple de points de polarisation parmi le couple de points de polarisation de défaut et ledit au moins un couple de points de polarisation économique selon le résultat d'un test comparatif de l'ensemble de ces couples de points de polarisation, et - configurer (3) le port FXS à partir du couple de points de polarisation ainsi sélectionné. La présente invention concerne également une passerelle domestique, un programme d'ordinateur et des moyens de stockage. The present invention relates to a method for optimizing the power consumption of a residential gateway comprising at least one FXS port to which an analog telephone is connected via a line, said FXS port being configured from a pair of polarization points, said fault, which defines the maximum voltage and current characteristics of the line that are predetermined to ensure the proper operation of the phone on-hook or off hook regardless of the type of this phone. The method is characterized in that it comprises the following steps: - memorizing (1) at least one other pair of points of polarization, said economic, which defines ...

Patent FR2404344B1

CONNECTOR CONTAINING A SYMMETRICAL POWER AMPLIFIER TO SUPPLY THE SUBSCRIBER LINE

Ce joncteur comporte un amplificateur de puissance symétrique formé par deux paires de transistors de types complémentaires. Des résistances de même valeur sont insérées sur le trajet de courant de collecteur des transistors de l'amplificateur symétrique pour limiter le courant dans la ligne d'abonné, cependant que des moyens sont prévus pour asservir la tension de base à la tension de collecteur de ces transistors de façon qu'une tension déterminée dans le sens du fonctionnement normal existe entre ces deux électrodes; enfin entre les deux bornes d'entrée de l'amplificateur symétrique est connecté un condensateur de découplage vis-à-vis de courants de conversation dans la ligne d'abonné. L'invention s'applique particulièrement bien à un joncteur utilisant des signaux delta pour engendrer les signaux d'appel et de taxation dans la ligne d'abonné. Application connexion d'un central téléphonique aux lignes d'abonnés. This junctor comprises a symmetrical power amplifier formed by two pairs of transistors of complementary types. Resistors of the same value are inserted in the collector current path of the symmetrical amplifier transistors to limit the current in the subscriber line, while means are provided for slaving the base voltage to the collector voltage of these transistors so that a voltage determined in the direction of normal operation exists between these two electrodes; finally between the two input terminals of the symmetrical amplifier is connected a decoupling capacitor with respect to conversation currents in the subscriber line. The invention applies particularly well to a trunk using delta signals to generate the call and charging signals in the subscriber line. Application connection of a telephone exchange to subscriber lines.

INTERFACE CIRCUIT

Circuit d'interface entre une ligne BF et un dispositif central. Ce circuit utilise un transformateur HF, Tr, monté de manière telle que le signal utile BF à transmettre module une porteuse HF engendrée au primaire de Tr et que le signal modulé résultant soit démodulé (en DET) au secondaire avant d'être transmis sur la ligne. Téléphonie.

Telephone terminal telesupply unit - is connected to telephone line and can supply current from two sources

A telesupply unit is used with telephone user terminals. It can supply current to the terminal. The unit, is connected to a symmetrical line (4) which has two current sources (1, 2) connected to the line (4). the two sources of current (1, 2) can be switched to allow transmission of the signal to the terminal. The unit has a balancing circuit connected between the two wires of the line (4). This balancing unit has two equal value resistors (R') and a transistor (30). When the current from the two sources (1,2) are different, the balancing circuit absorbs the difference.

Automatic telephone system

SUPPLY BRIDGE FOR TELEPHONE LINE

L'invention concerne un pont d'alimentation électronique à deux dipôles gyrateurs couplés pour ligne téléphonique, avec réjection du bruit d'alimentation. Le principe de réjection du bruit d'alimentation consiste, pour chaque dipôle, à produire sur l'émetteur du transistor une tension identique à la tension de bruit reçue par le dipôle, imposant ainsi un courant nul dans la résistance d'émetteur. Application à la téléphonie. The invention relates to an electronic power supply bridge with two coupled gyrating dipoles for a telephone line, with rejection of the supply noise. The principle of supply noise rejection consists, for each dipole, in producing on the emitter of the transistor a voltage identical to the noise voltage received by the dipole, thus imposing a zero current in the emitter resistor. Application to telephony.

Electric network for use in a subscriber's loop

Electric network for use in a subscriber's loop, comprising at least two connecting terminals for supplying thereto a current flowing in the subscriber's loop, the network comprising the series arrangement of a capacitive element and a switching device and a threshold device coupled to the connecting terminals and the switching device for either coupling or not coupling, depending on the polarity and the value of said current, said capacitive element to the terminals of the network. This results in a network whose pattern of behavior is optimum for the various signals which are exchanged in the loop.

Remote supply circuit for an analog two-wire connection

ABSTRACT Remote supply circuit for an analog two-wire connection. This circuit comprises at least one power supply inserted between the earth and each of the two wires of the connection, two RC series dipoles in each case inserted between the earth and the two wires and a circuit able to fix to the earth the average potential of these wires. Application to telephony and the supply of sensors.

Automatic telephone system

TELEPHONE SUBSCRIBER LINE INTERFACE CIRCUIT WITH REDUCED POWER SLEEP MODE

L'INVENTION CONCERNE LES CIRCUITS D'INTERFACE DE LIGNE TELEPHONIQUE D'ABONNE. PENDANT 90 DU TEMPS CES CIRCUITS N'ONT QU'UNE FONCTION DE SURVEILLANCE DE LA LIGNE. IL EST DECRIT DES MOYENS POUR REDUIRE FORTEMENT LA CONSOMMATION D'ENERGIE DU CIRCUIT PENDANT CES PERIODES DE SURVEILLANCE. LA REDUCTION S'EFFECTUE ESSENTIELLEMENT EN MODIFIANT LA CONSTITUTION DES ETAGES DE SORTIE 22, 24 RACCORDES A LA LIGNE TELEPHONIQUE 10, 12; CES ETAGES DEVIENNENT DES GENERATEURS DE TENSION FIXE DE POLARISATION DE LA LIGNE LORSQUE LE CIRCUIT EST EN MODE DE SURVEILLANCE. THE INVENTION RELATES TO SUBSCRIBER TELEPHONE LINE INTERFACE CIRCUITS. FOR 90 OF THE TIME THESE CIRCUITS HAVE ONLY ONE LINE MONITORING FUNCTION. MEANS ARE DESCRIBED TO STRONGLY REDUCE THE ENERGY CONSUMPTION OF THE CIRCUIT DURING THESE MONITORING PERIODS. THE REDUCTION IS MADE ESSENTIALLY BY MODIFYING THE CONSTITUTION OF THE OUTPUT STAGES 22, 24 CONNECTED TO THE TELEPHONE LINE 10, 12; THESE STAGES BECOME FIXED VOLTAGE GENERATORS OF THE LINE POLARIZATION WHEN THE CIRCUIT IS IN MONITORING MODE.

ELECTRONIC SUBSCRIBER

LINE CIRCUIT FOR CONNECTING A TWO-WIRE LINE TO A SWITCHING SYSTEM

SUPPLY BRIDGE FOR SUBSCRIBER LINE

PONT D'ALIMENTATION COMPORTANT D'UNE PART UN MONTAGE EN SERIE BRANCHE ENTRE DEUX BORNES DE CONNEXION ET FORME PAR DES ENROULEMENTS PRIMAIRES D'UN TRANSFORMATEUR ET UN CONDENSATEUR, ET D'AUTRE PART, ENTRE UNE MASSE VIRTUELLE ET CHAQUE BORNE DE CONNEXION, LEMONTAGE EN SERIE FORME PAR UN ENROULEMENT SECONDAIRE, UNE BRANCHE DE COURANT ALTERNATIF ET UNE RESISTANCE D'ALIMENTATION, LES SPIRES DES ENROULEMENTS SECONDAIRES ETANT OPPOSEES TANDIS QUE LES BRANCHES DE COURANT ALTERNATIF ONT UNE IMPEDANCE D'ENTREE ELEVEE, UNE IMPEDANCE DE SORTIE FAIBLE ET UN COEFFICIENT D'AMPLIFICATION EGAL A 1. DE CE FAIT, LES SIGNAUX DE TENSION EN OPPOSITION DE PHASE ENTRE LES BORNES DE CONNEXION NE SONT PAS ATTENUES PAR LES RESISTANCES D'ALIMENTATION QUI PAR CONTRE ATTENUENT LES SIGNAUX EN PHASE. APPLICATION AUX INSTALLATIONS TELEPHONIQUES. SUPPLY BRIDGE INCLUDING ON THE ONE HAND A SERIAL ASSEMBLY CONNECTED BETWEEN TWO CONNECTION TERMINALS AND SHAPED BY PRIMARY WINDINGS OF A TRANSFORMER AND A CAPACITOR, AND ON THE OTHER HAND, BETWEEN A VIRTUAL EARTH AND EACH CONNECTION TERMINAL, THE ASSEMBLY IN SERIES FORMED BY A SECONDARY WINDING, AN ALTERNATIVE CURRENT BRANCH AND A SUPPLY RESISTOR, THE SPIRES OF THE SECONDARY WINDINGS BEING OPPOSED WHILE THE ALTERNATIVE CURRENT BRANCHES HAVE A HIGH INPUT IMPEDANCE, A LOW IMPEDANCE AND OUTPUT IMPEDANCE OF AMPLIFICATION EQUAL TO 1. THEREFORE, THE VOLTAGE SIGNALS IN PHASE OPPOSITION BETWEEN THE CONNECTION TERMINALS ARE NOT ATTENTIVE BY THE SUPPLY RESISTORS WHICH ON THE OTHER HAND ATTENSION THE PHASE SIGNALS. APPLICATION TO TELEPHONE SYSTEMS.

ELECTRONIC SUBSCRIBER LINE CONNECTION DEVICE

AMPLIFIER FOR USE IN A SUBSCRIBER LINE CIRCUIT

CET AMPLIFICATEUR EST MUNI D'UN TRANSISTOR SUPPLEMENTAIRE T DONT LA JONCTION BASE-EMETTEUR, SHUNTEE PAR UNE RESISTANCE 5, EST BRANCHEE EN SERIE AVEC LE TRAJET DE COURANT PRINCIPAL DU TRANSISTOR DE SORTIE T DE L'AMPLIFICATEUR. L'AMPLIFICATEUR COMPORTE EGALEMENT UNE SOURCE DE TENSION QUI EST RACCORDEE A LA BORNE DE SORTIE DE L'AMPLIFICATEUR A TRAVERS LE TRAJET DE COURANT PRINCIPAL DU TRANSISTOR SUPPLEMENTAIRE T ET UNE IMPEDANCE 13 POUR FOURNIR DE LA SORTE AU MOINS UNE PARTIE DU COURANT DE LIGNE D'UNE LIGNE D'ABONNE RACCORDEE A LA BORNE DE SORTIE 12 EN VUE DE REDUIRE LA DISSIPATION DE PUISSANCE DANS LES COMPOSANTS SEMI-CONDUCTEURS FORMANT L'AMPLIFICATEUR. APPLICATION: INSTALLATIONS TELEPHONIQUES. THIS AMPLIFIER IS EQUIPPED WITH AN ADDITIONAL TRANSISTOR T WHOSE BASE-EMITTER JUNCTION, SHUT BY RESISTOR 5, IS CONNECTED IN SERIES WITH THE MAIN CURRENT PATH OF THE AMPLIFIER'S T OUTPUT TRANSISTOR. THE AMPLIFIER ALSO CONTAINS A VOLTAGE SOURCE WHICH IS CONNECTED TO THE OUTPUT TERMINAL OF THE AMPLIFIER THROUGH THE MAIN CURRENT PATH OF THE ADDITIONAL TRANSISTOR T AND AN IMPEDANCE 13 TO SUPPLY THE OUTPUT AT LEAST PART OF THE LINE CURRENT 'A SUBSCRIBER LINE CONNECTED TO OUTPUT TERMINAL 12 IN ORDER TO REDUCE POWER DISSIPATION INTO THE SEMICONDUCTOR COMPONENTS FORMING THE AMPLIFIER. APPLICATION: TELEPHONE SYSTEMS.

Method and apparatus for DC feed control

A method and apparatus is provided for adjusting DC feed control of a connection. The method includes receiving a signal from the connection and determining if the change in the signal is greater than a first preselected value. The method further includes adjusting the DC feed in response to determining that the change in the signal is greater than the first preselected value.