ELECTRONIC DEVICE

An electronic device includes a first accommodation portion to accommodate a first card, a second accommodation portion to accommodate a second card, and a holding member capable of holding the first card and the second card. The first accommodation portion and the second accommodation portion are arranged so that an ejection path of the first card and an ejection path of the second card overlap. The holding member is located in an area where the ejection path of the first card and the ejection path of the second card overlap. 1. An electronic device , comprising:a first accommodation portion to accommodate a first card;a second accommodation portion to accommodate a second card; anda holding member capable of holding the first card and the second card; whereinthe first accommodation portion and the second accommodation portion are arranged so that an ejection path of the first card and an ejection path of the second card overlap; andthe holding member is located in an area where the ejection path of the first card and the ejection path of the second card overlap.2. The electronic device according to claim 1 , wherein an opening of the first accommodation portion faces an opening of the second accommodation portion.3. The electronic device according to claim 1 , wherein the holding member has a plate-like shape.4. The electronic device according to claim 1 , wherein the holding member holds the first card and the second card claim 1 , by blocking the ejection path of the first card and the ejection path of the second card.5. The electronic device according to claim 1 , wherein the holding member is displaceable from a state in which it holds the first card and the second card claim 1 , to a state in which it does not hold the first card and the second card.6. The electronic device according to claim 5 , wherein the holding member is displaceable from the state holding the first card and the second card by releasing at least a part of the holding member.7. The ...

ROCKING PUSH-PUSH ACTIVATION DEVICE FOR A PUSH-PUSH CARD READER

The invention relates to a push-push activation device for removing a card holding drawer from a housing of an apparatus, which push-push activation device has the following: 1. A push-push activation device for removing a card holding drawer from a housing of an apparatus , which push-push activation device has the following:a) an activation element which is arranged on the card holding drawer so as to be slideable from an insertion position into a removal position, whereinb) the activation element has an elastically deformable activation limb which has transversely with respect to the insertion direction (S) of the card holding drawer, andc) the activation element can be activated from its insertion position into its removal position by means of a simultaneous two-point activation at two activation sections, spaced apart from one another, of the activation limb.2. The push-push activation device as claimed in claim 1 , wherein the activation element is mounted on bearing means on a securing section which protrudes from the end side of the card holding drawer.3. The push-push activation device as claimed in claim 1 , wherein the activation element has at least one bearing web which runs in the insertion direction (S) and along which the activation element is guided.4. The push-push activation device as claimed in claim 3 , wherein the activation element constitutes a T-shaped stamped bent part which has four bearing webs claim 3 , wherein in each case two bearing webs are arranged in contact one above the other.5. The push-push activation device as claimed in claim 2 , wherein a bearing means is embodied as a cardioid control cam arrangement with at least locking section in a first side face of the securing section.6. The push-push activation device as claimed in claim 4 , wherein the in each case two bearing webs and which are arranged one above the other claim 4 , respectively claim 4 , interact with in each case one common bearing means.7. The push-push ...

ROCKING OPERATING APPARATUS FOR A PUSH-PUSH CARD READER

The invention relates to an operating apparatus having an operating mechanism for purposefully releasing a card receptacle drawer of a push-push card reader from the latched slide-in position by means of simultaneous two-point operation on two spaced-apart operating sections of the operating mechanism. 1. An operating apparatus having an actuating mechanism so as to purposefully release a card receiving drawer of a push-push card reader from the latched , inserted position by means of a simultaneous two point actuation at two actuating sections of the actuating mechanism that are spaced apart with respect to one another , wherein the actuating mechanism comprises the following:a) a rocking mechanism that comprises a resilient strip and two actuating sections andb) a coupling means for coupling the rocking mechanism in an articulated manner to the card receiving drawer so that it is possible to actuate the rocking mechanism either in a rocking manner in the case of an asymmetrical two-point actuation or in a translational manner in the case of a symmetrical two-point actuation at the actuating sections, in order to intentionally release the card receiving drawer from the latched position, whereas in the case of a single point actuation of the rocking mechanism an intentional release of the card receiving drawer from the latched position is prevented.2. The operating apparatus as claimed in claim 1 , characterized in that the coupling means is embodied in a central middle section of the rocking mechanism so as to connect to a coupling in a movable manner claim 1 , said coupling being embodied on the insertion-side front face of the card receiving drawer.31. The operating apparatus as claimed in claim 1 , characterized in that the resilient strip forms in each case on the side of the central middle section a respective actuating section and the rocking mechanism is deflected in a rocking manner by means of applying an asymmetrical actuating force F to the respective ...

Time-division switching system

내용없음 No content

Secure digital memory card socket

본 발명은 인쇄회로기판의 일측 적소에 설치 고정되어 SD 메모리 카드를 장착하기 위한 SD 메모리 카드 소켓을 SD 메모리 카드의 착탈을 용이하게 하기 위해 푸시-푸시 메카니즘 상에 록킹 바(Locking Bar)를 설치하여 카드와 같이 착탈방향으로 이동하여 SD 메모리 카드의 완전 장착시 SD 메모리 카드의 일측면에 형성된 슬롯(Slot)에 걸리게 함으로써 SD 메모리 카드의 임의적인 이탈을 방지할 수 있도록 한 SD 메모리 카드 소켓을 제공함에 그 목적이 있다. 이를 위해 구성된 본 발명은 커넥터 하우징의 일측 적소 양측에 길이방향으로 형성되어 그 사이에 길이방향의 가이드 홈을 형성하되 내측편은 중간 부분이 절결되어 개방된 구조로 이루어진 가이드편; 하부면 전방측에는 고정홈이 형성되고, 하부면 후방측에는 내측면 방향으로 개방된 형태의 은닉홈이 형성되는 슬라이더; 고정홈과 은닉홈 사이의 길이로 형성되어지되 양단은 상향으로 절곡되어 일단이 고정홈에 일정범위 회전가능하게 삽입되고, 타단은 은닉홈에 삽입되어 일단을 중심으로 회전시 타단이 은닉홈으로부터 출몰되는 록킹 바; 내측의 후방측 가이드편 선단 내측에 형성되어 SD 메모리 카드의 삽입시 은닉홈에 삽입된 록킹 바의 타단을 SD 메모리 카드의 걸림홈으로 삽입되도록 안내하여 카드 장착부에 장착된 SD 메모리 카드의 걸림이 유지되도록 하는 록킹 가이드 돌기; 및 내측의 전방측 가이드편 내측면에 형성되어 슬라이더의 원위치시 록킹 바의 타단이 상기 은닉홈에 삽입 구속되도록 록킹 바의 수평단을 가이드하는 록킹해제 가이드 돌기를 포함하여 이루어진다. According to the present invention, a locking bar is installed on a push-push mechanism in order to easily install and detach an SD memory card socket for mounting an SD memory card. It provides an SD memory card socket that prevents random detachment of the SD memory card by moving it in a detachable direction such as a card and engaging a slot formed on one side of the SD memory card when the SD memory card is fully installed. The purpose is. The present invention configured for this purpose is formed in the longitudinal direction on both sides of one side of the connector housing to form a guide groove in the longitudinal direction therebetween, the inner side of the guide piece made of a structure in which the middle portion is cut open; A slider having a fixing groove formed at the front side of the lower surface, and a concealing groove having an open shape in the inner surface direction at the rear side of the lower surface; It is formed with a length between the fixed groove and the concealed groove, but both ends are bent upwards so that one end is rotatably inserted into the fixed groove, and the other end is inserted into the concealed groove so that the other end emerges from the ...

Power receiving circuit in inter-office relay

(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。

Packet exchange method

Method and apparatus for call simulator in Fiber Loop Carrier

본 발명은 전송 장비의 호 시험 방법 및 그 장치에 관한 것으로, 운용자의 선택에 따라 호 시험 모드가 설정되면, 각 가입자 보드의 각 포트에 대한 호 시험을 하기 위하여, 각 포트가 가상으로 호를 연결할 착신 전화 번호를 설정하고, 그 설정된 착신 전화 번호를 이용하여, 가상 호 연결 요청 신호를 생성하여 제공하고, 그에 따라 상기 각 포트에 가상으로 호가 연결되면, 그에 따른 결과를 출력하는 호 시험 모듈과, 호 시험 모듈로부터 제공되는 가상 호 연결 요청 신호를 외부 교환기로 전송하고, 교환기의 제어 신호에 따라 각 포트와 착신 전화 번호를 가진 포트와 호가 연결되도록 하는 트렁크 유닛(C-Trunk Unit)을 포함하여 이루어짐으로써, 전송 장비에 구비되는 각 가입자 보드의 각 포트에 대한 호를 시험할 때, 별도의 시험 장비 또는 전화기를 사용하지 않고, 소프트웨어적으로 호 시험을 하여, 전송 장비의 관리 또는 유지 비용을 최소화하고, 또한, 전송 장비의 사용 공간 효율을 최대화하는 것이다. The present invention relates to a call test method and apparatus thereof for transmitting equipment. When a call test mode is set according to an operator's selection, each port connects a call virtually to perform a call test for each port of each subscriber board. A call test module for setting up an incoming phone number, generating and providing a virtual call connection request signal using the set incoming phone number, and accordingly outputting a result when a call is virtually connected to each of the ports; It includes a trunk unit (C-Trunk Unit) to transmit the virtual call connection request signal provided from the call test module to the external exchange, and to connect the port and the port with the incoming telephone number to each port according to the control signal of the exchange. When testing a call for each port on each subscriber board in the transmitting equipment, use separate test equipment or telephones. If not, a call to the test in software, minimizing the management or maintenance of the transmission equipment, and also maximize the space efficiency of the transmission equipment.

Call transfer method through analog e&m networking in private exchange

본 발명은 사설교환기의 사설망 구성 시 사용되는 아날로그 E&M방식의 트렁크 인터페이스를 통해 착신된 라인을 이용하여 발신측 내선으로 호 전환이 이루어지도록 하는 호 전환방법에 관한 것이다. The present invention relates to a call switching method for making a call transfer to an outgoing extension using a line received through an analog E & M trunk interface used in a private network of a private exchange. 사설교환망에서 착신전환 시 두 개의 E&M라인을 점유하지 않고 하나의 E&M라인만 점유하도록 하여 호 전환을 할 수 있도록 하기 위해 상기 복수의 교환기중 제1교환기의 A PARTY와 제2교환기의 C PARTY가 통화를 하고 있는 상태에서 C PART가 트렁크 플래슁에 의해 상기 제2교환기가 아날로그 E&M트렁크를 점유해제 하는 과정과, 상기 제2교환기에서 아날로그 E&M 트렁크를 점유해제한 후 트렁크 프래슁 타임이 경과되면 아날로그 E&M 트렁크를 재 점유하는 과정과, 상기 제1교환기가 아날로그 E&M트렁크를 점유해제 상태를 검출한 후 설정된 시간 내에 아나로그 E&M트렁크 재 점유가 검출될 시 A PARTY를 홀딩상태로 만들어 다이얼번호 수신준비를 하는 과정과, 상기 제2교환기에서 아날로그 E&M트렁크 재점유 시 C PARTY에서 제1교환기의 D PARTY의 번호로 다이얼링하는 과정과, 제1교환기에서 상기 다일링번호가 수신될 시 제1교환기의 D PARTY를 호출하는 과정과, 상기 제2교환기에서 다이얼링을 수행한 후 C PARTY가 행업하여 호 전환기능을 수행하여 아날로그 E&M트렁크의 점유를 해제하는 과정과, 상기 제1교환기에서 아날로그 E&M트렁크 점유해제를 검출할 시 상기 제1교환기의 A PARTY와 D PARTY의 통화로를 연결하는 과정으로 이루어짐을 특징으로 한다. A PARTY of the first exchange and C PARTY of the second exchange of the plurality of exchanges are used to make a call transfer so as to occupy only one E & M line instead of occupying two E & M lines. C PART releases the analog E & M trunk by the trunk platter and the trunk exchange time elapses after releasing the analog E & M trunk by the second exchange. When the first exchange detects the release of the analog E & M trunk and releases the analog E & M trunk re-occupation within the set time, it prepares the A PARTY and holds the dial number. And dialing the number of the D PARTY of the first exchange in the C PARTY when reoccupying the analog E & M trunk in the second exchange. Calling the D PARTY of the first exchange when the dialing number is received at the first exchange, C PARTY hangs up after performing the dialing at the second exchange to perform the call transfer function of the analog E & M trunk ...

Digital switching device

A distributed control digital switching network is configured as a group switch having a plurality of stages of multiport single sided switching elements for selectively interconnecting a plurality of input terminals via the transmission paths established through the network by path selection control signals which are multiplexed on common transmission links to and through the network together with digitally encoded data from the terminals on common transmission paths such that data is received phase asynchronously at each stage of the network and is either coupled to a higher order stage of the network or folded back through the network by reflection to interconnect terminals switched by the network. The single-sided switching elements are selectively operable as single-sided or multi-sided in accordance with their position in the network.

Patent JPH0363866B2

Portable terminal

본 발명은 단말기 바디와; 상기 단말기 바디의 내부에 장착되며, 개구부를 통해 삽입된 카드를 수납하는 카드 소켓과; 상기 단말기 바디에 장착되며, 상기 개구부를 개폐하는 캡; 및 상기 캡이 누름 동작됨에 따라 상기 카드를 상기 카드 소켓으로부터 인출시키는 인출유닛을 포함하는 휴대 단말기에 관한 것으로서, 카드 소켓을 개폐하는 캡 누름 동작시켜 카드를 인출시킴으로써, 카드를 편리하게 인출시킬 수 있는 구조를 갖는 휴대 단말기를 제공하기 위한 것이다. The present invention relates to a mobile terminal comprising: a terminal body; A card socket mounted inside the terminal body for receiving a card inserted through the opening; A cap mounted on the terminal body for opening and closing the opening; And a withdrawing unit for withdrawing the card from the card socket as the cap is pushed in. The card is pulled out by a cap pressing operation for opening and closing the card socket, The present invention provides a portable terminal having a structure.

Digital communication system

A distributed control digital switching system is described in which a plurality of subscriber lines and trunks are provided with a switched access to various processing functions shared over a plurality of time shared multiplexed lines. Each processor of a first group of processors is dedicated to a group of terminals such as subscriber lines or trunks, and communicate with processors in a second group to provide pooled processing functions to one or more of said groups of terminals through a digital switching matrix. Processors in the first group perform a first set of processing functions, such as path set up and processors of the second group perform a second set of processing functions, such as call control. A multistage switching network provides a modularly expandable digital group switch, the operation of which is controlled externally from the terminals to which it is connected, and provides rate synchronous, phase (bit) asynchronous interconnection among the terminals which are interfaced and switched. Each processor of the first group is time shared over a security block of lines or trunks providing hardware interface therebetween while each processor of the second group provides pooled functions for a plurality of security blocks of lines and trunks. All data, speech and control signals are coupled over common transmission paths.

Time division multiplex switching system for pulse code modulated telephone signals.

Mobile communication terminal having fixing device for memory card

본 고안은 본 고안은 내부에는 다수의 접속단자가 설치된 PCB가 장착되고, 일측에는 일정부분을 개방하여 상기 PCB와 연통되는 삽입부를 구비하는 단말기 본체; 상기 단말기 본체에 구비된 삽입부를 통하여 삽입되며, 상기 PCB에 구비된 접속단자와 대응하는 접속단자를 구비하는 메모리카드; 상기 메모리카드가 안착 고정되며, 상기 단말기 본체의 삽입부에 회전 가능한 구조로 설치되는 고정장치; 를 포함하여 구성됨으로써, 상기 고정장치의 회전 개폐조작에 따라 메모리카드의 장착 및 탈착이 함께 이루어지기 때문에 종래와 같이 별도로 구성되는 고정장치가 필요없게 되고, 또한 간편하고 신속하게 메모리카드의 장/탈착이 이루어지기 때문에 사용자에게 있어 편의성이 향상되는 메모리카드 고정장치를 구비한 이동통신 단말기를 제공한다. The present invention is a subject body is equipped with a PCB is installed inside a plurality of connection terminals, one side of the terminal body having an insertion portion in communication with the PCB by opening a predetermined portion; A memory card inserted through an insertion unit provided in the terminal body and having a connection terminal corresponding to the connection terminal provided on the PCB; A fixing device in which the memory card is seated and fixed and installed in a rotatable structure in an insertion part of the terminal body; By including the configuration, since the mounting and detachment of the memory card is made in accordance with the rotation opening and closing operation of the fixing device, there is no need for a separate fixing device as in the prior art, and also easy / quick loading and removal of the memory card This provides a mobile communication terminal having a memory card fixing device that improves the convenience for the user.

Card connector

Device for switching command information of telephone exchange

Relay state prompting method, IP telephone and voice switch

本申请公开了一种中继状态的提示方法，包括：IP电话机接收IP‑PBX发送的中继链路组的中继状态信号，根据中继链路组的中继状态信号发出提示信号。当中继链路组的中继链路处于空闲状态时，用户可以根据提示信号知晓中继链路组的状态，占用上述中继链路组中的中继链路执行呼叫业务，从而减少中继链路的闲置，提高中继链路的利用率。本申请还公开了一种能够实现上述方法的IP电话机和IP‑PBX。

Data transmission method and system

A communication technique enables the efficient transmission of data through a communication link having a large delay bandwidth product and/or a high bit error rate. The communication technique multiplexes data from one or more data sources through a plurality of communication connections to increase the overall throughput and to reduce the average data transfer delay of the communication link. Each communication connection has a set of communication connection parameters that may be uniquely configured so that each connection carries a particular type of data at a particular effective priority level. Each communication connection may be uniquely configured to have a particular sending buffer size, to deliver messages having a particular length to an underlying layer and to send the messages into the link at a particular rate to orchestrate the manner in which the communication connections send data through the link.

Franking machine with a chip card read / write unit

Franking machine with chipcard read/write unit

Franking machine with chipcard read/write unit

Call route selection method and call route selection system

本发明公开了一种呼叫路由选择方法及呼叫路由选择系统。包括：当第一电话交换网络端局下辖第一终端呼叫第二电话交换网络端局下辖第二终端时，软交换设备获取第一中继网关的当前第一电路状态信息，并根据当前第一电路状态信息选择第一中继网关作为承载第一终端和第二终端之间的通话的中继网关；或者，当第一电话交换网络端局下辖第一终端呼叫第二电话交换网络端局下辖第二终端时，软交换设备获取第二中继网关的当前第二电路状态信息，并根据当前第二电路状态信息选择第二中继网关作为承载第一终端和第二终端之间的通话的中继网关。本发明有效避免了中继网关发生故障时PSTN端局下用户无法拨打或者接听电话的现象，提高了用户体验度。

Card connector

본 발명에 있어서, 이젝트 플레이트는 압동부와 계합부와 스프링부를 갖고, 하트캠에 의해 2개의 위치로 전환가능하다. 카드와 커넥터의 전기적접속이 이루어진 상태에서는 이젝트 플레이트가 제 2의 위치로 되며, 그 계합부가 카드에 형성된 절결부에 걸어맞춤하고, 해당 걸어맞춤의 해제는 가이드벽에 의해 저지되어, 카드에 강한 발취력이 가해져도 빠질 수 없다(풀록). 인장스프링에 의해 이젝트 플레이트가 제 2의 위치로부터 제 1의 위치로 이행한 때, 압동부에 의해 카드가 압출된다. 이 제 1의 위치에도 계합부는 카드의 절결부에 걸어맞춤하고 있지만, 그 걸어맞춤의 해제는 벽부에 의해 허용되어, 스프링부의 탄성변형에 의해 카드를 발취할 수 있다(하프록). In the present invention, the eject plate has a pushing portion, an engaging portion and a spring portion, and can be switched to two positions by a heart cam. In the state where the electrical connection between the card and the connector is made, the eject plate is placed in the second position, and the engaging portion engages with the cutout formed in the card, and the release of the engagement is prevented by the guide wall, so as to strongly extract the card. Even if the force is applied, it cannot be pulled out (fulllock). When the eject plate moves from the second position to the first position by the tension spring, the card is pushed out by the pushing portion. Although the engagement portion is engaged with the cutout portion of the card also at this first position, the engagement is allowed by the wall portion, and the card can be extracted by the elastic deformation of the spring portion (half lock).

Communication system, in particular telephone, with central telephone exchanges

Device for exchange of information between telephone network subscribers

The switching network (102), which contains switching matrices (104 - 110; 120, 122) arranged in several stages, is connected via common speech paths (204) with a group of interface devices (128), in which analog to digital and digital to analog conversion of the signals from and to the subscriber is carried out. Digital subscriber lines (130, 136, 138) are connected to the switching network 102 via a digital subscriber's apparatus (140). The translators which are present in the database (142) are used as usual to translate the digits keyed by the subscriber; however, they are also used for distributed control of the system, since they work with a single data connection path, which is only a speech path (204), between the interface device and the switching network. Since the interface units (128) control the establishment of connection paths to the switching network, the central processor which was previously required is omitted. This makes it possible to keep down the cost of testing when the program changes. <IMAGE>

DEVICE CONTROL SYSTEM FOR DIGITAL SIGNAL SWITCHING SYSTEM

LE SYSTEME COMPORTE UN RESEAU DE CONTROLE DE PERIPHERIQUES AVEC COMMUTATEURS A COMBINAISON TEMPORELLE ET SPATIALE DXO, DX5, POUR COMMUNICATION AVEC DES CARTES DE PERIPHERIQUES PCO, PC47 UTILISANT UN CERTAIN NOMBRE DE LIGNES TEMPORELLES (DONT LES VOIES CORRESPONDENT AUX UNITES PERIPHERIQUES), ET POUR COMMUNICATION AVEC LE CIRCUIT DE COMMANDE CENTRAL DU SYSTEME, PAR L'INTERMEDIAIRE D'UN BUS PARALLELE RELIE A UN CONTROLEUR ET A UN EMETTEUR-RECEPTEUR, LEQUEL EST RELIE AU CIRCUIT DE COMMANDE DU SYSTEME PAR DES LIGNES SERIE A DIVISION TEMPORELLE. ON A DONC UN TRES PETIT NOMBRE DE FILS RELIES AUX CARTES DE PERIPHERIQUES PCO, PC47, TOUT EN ETABLISSANT UNE STRUCTURE DE COMMUNICATION SIMPLE ET FIABLE. THE SYSTEM INCLUDES A PERIPHERAL CONTROL NETWORK WITH TEMPORAL AND SPACE COMBINATION SWITCHES DXO, DX5, FOR COMMUNICATION WITH PCO, PC47 PERIPHERAL BOARDS USING A NUMBER OF TIME LINES (WHOSE CHANNELS CORRESPOND TO THE PERIPHERAL UNITS), AND FOR COMMUNICATION UNITS. WITH THE CENTRAL CONTROL CIRCUIT OF THE SYSTEM, THROUGH A PARALLEL BUS CONNECTED TO A CONTROLLER AND TO A TRANSCEIVER, WHICH IS CONNECTED TO THE SYSTEM CONTROL CIRCUIT BY SERIAL LINES WITH TIME DIVISION. THEREFORE A VERY SMALL NUMBER OF WIRES CONNECTED TO THE PCO, PC47 PERIPHERAL BOARDS, WHILE ESTABLISHING A SIMPLE AND RELIABLE COMMUNICATION STRUCTURE.

Patent FR2359563B1

DIAGNOSTIC SYSTEM AND METHOD OF LOCATING DEFECTS IN A DISTRIBUTED COMMAND SWITCHING NETWORK

SYSTEME DE DIAGNOSTIC ET METHODE DE LOCALISATION DES ELEMENTS DEFECTUEUX DANS UN RESEAU DE COMMUTATION NUMERIQUE DONT LA COMMANDE EST PARTAGEE ENTRE UNE PLURALITE DE PROCESSEURS REPARTIS SUR PLUSIEURS INTERFACES OU EXTREMITES DU RESEAU. CE SYSTEME COMPREND DES CHEMINS SPATIALEMENT SEPARES OU TUNNELS DE DIAGNOSTIC QUI RESULTENT DE L'ASSOCIATION PAR PAIRES DES COMMUTATEURS ELEMENTAIRES OU PORTS 120A, B... DE CHAQUE MODULE DE COMMUTATION 122, 128..., PAR EXEMPLE SELON L'ALGORITHME PORT N PORT N8 MODULO 16, DE SORTE QUE LES MAILLES BIDIRECTIONNELLES DU RESEAU ENTRE LES PAIRES DE PORTS ADJACENTES 08; 3-11;... COMPLETENT CHAQUE TUNNEL ENTRE DEUX PROCESSEURS BIEN DEFINIS 124, 150. POUR UN RESEAU REPLIE A 4 ETAGES ET 2 MAILLES D'ACCES AU RESEAU PAR PROCESSEUR, CHAQUE COUPLE DE PROCESSEURS CONTROLE AINSI 2TUNNELS DE 7PAIRES DE PORT 122 A 148. UN MOT DE MAINTENANCE TRANSMIS PAR UN PROCESSEUR DANS LA VOIE TEMPORELLE SPECIALISEE 0 EST ACCOMPAGNE D'UN POINTEUR 100 QUI EST DECREMENTE DANS CHAQUE PORT RECEPTEUR ET DONT LE RETOUR A ZERO INDIQUE AU RECEPTEUR R QUE LA REPONSE DOIT ETRE FAITE PAR L'EMETTEUR T DU MEME PORT OU PAR CELUI DU PORT ASSOCIE 134B SELON LA VALEUR D'UN EB DE SELECTION PE. UN MESSAGE D'ERREUR PEUT ETRE TRANSMIS SIMULTANEMENT PAR LES PARTIES EMETTRICES T DE DEUX PORTS ASSOCIES, AVEC UN POINTEUR DE VALEUR MAXIMALE 111 DONT LA VALEUR RESIDUELLE EST UTILISEE PAR CHAQUE PROCESSEUR POUR LES IDENTIFIER. DIAGNOSIS SYSTEM AND METHOD FOR LOCATING FAULTY ELEMENTS IN A DIGITAL SWITCHING NETWORK WHOSE COMMAND IS SHARED BETWEEN A PLURALITY OF PROCESSORS DISTRIBUTED ON SEVERAL INTERFACES OR ENDS OF THE NETWORK. THIS SYSTEM INCLUDES SPATIALLY SEPARATE PATHS OR DIAGNOSIS TUNNELS WHICH RESULT FROM THE PAIR ASSOCIATION OF ELEMENTARY SWITCHES OR PORTS 120A, B ... OF EACH SWITCH MODULE 122, 128 ..., FOR EXAMPLE ACCORDING TO THE PORT N ALGORITHM PORT N8 MODULO 16, SO THAT THE BIDIRECTIONAL MESH OF THE NETWORK BETWEEN THE PAIRS OF ADJACENT PORTS 08; 3-11; ...

Junction network for electronic telephone installation - comprises electronic elements compatible with logic circuits to eliminate relay noise

A junction network connects a telephone exchange installation to another exchange which may be public or private. This junction network comprises relays and electronic logic circuits. Problems of electrical noise from the relays are overcome using electronic elements compatible with the logic circuits. A junction network circuit is connected to lines (A, B) and comprises a translator (129) with a coupling capacitor (130). Zener diodes (102,103) protect the secondary (5) winding against over voltages. An active dipole (104) comprising Darlington coupled transistors (110,111) simulates the impedance of a coil presenting a low impedance which receives d.c. from a diode bridge (109). Photocouplers (105,106,107) provide detection circuits and one photocoupler (108) circuit comprises a retransmission circuit.

TELEPHONE SWITCHING NETWORK

COMMUNICATIONS SWITCHING SYSTEM

Le système permet d'acheminer des signaux de voix et de données et des signaux de message entre une pluralité de circuits périphériques dans un ou plusieurs sous-systèmes périphériques BAIE 1, ..., BAIE N et une unité de commande principale. Chaque sous-système comprend une matrice de commutation périphérique 21 commandée par un processeur 13, 29 pour commuter les signaux de voix et de données entre des circuits périphériques prédéterminés et la matrice de commutation de circuit. Les signaux de voix, de données et de message sont transmis par une matrice de commutation de circuit 5 de l'unité principale sur des canaux temporels prédéterminés. Les signaux de message sont transmis par un circuit de commande de communication 7 associé à l'unité principale et à chacun des sous-systèmes selon un protocole de liaison de données orienté par bit. Les signaux de message sont transmis de façon asynchrone durant un ou plusieurs canaux temporels alloués prédéterminés de la matrice 5. Le protocole de liaison de données garantit la transmission sans erreur d'une pluralité de signaux de message. (CF DESSIN DANS BOPI) The system allows voice and data signals and message signals to be routed between a plurality of peripheral circuits in one or more peripheral BAY 1, ..., BAY N subsystems and a main control unit. Each subsystem includes a peripheral switch matrix 21 controlled by a processor 13, 29 to switch voice and data signals between predetermined peripheral circuits and the circuit switch matrix. The voice, data and message signals are transmitted by a circuit switching matrix 5 of the main unit on predetermined time channels. The message signals are transmitted by a communication control circuit 7 associated with the main unit and with each of the subsystems according to a bit-oriented data link protocol. The message signals are transmitted asynchronously during one or more predetermined allocated time channels of matrix 5. The data link protocol ensures error- ...

Patent FR2171244B1

CONTROL LOGIC FOR A MULTIPLEX CONNECTION UNIT IN A TIME SWITCHING CENTER

L'INVENTION CONCERNE LES TELECOMMUNICATIONS. LA LOGIQUE DE COMMANDE COMPREND AU MOINS UN ENSEMBLE CONSTITUE D'UN PROCESSEUR MAITRE, DE DEUX PROCESSEURS ESCLAVES ET D'UNE MEMOIRE D'ECHANGES ENTRE LE PROCESSEUR MAITRE ET LES PROCESSEURS ESCLAVES. LES PROCESSEURS ESCLAVES ONT ACCES A UNE MEMOIRE COMMUNE PAR L'INTERMEDIAIRE D'UN COUPLEUR INTERPROCESSEURS. APPLICATION AUX TELECOMMUNICATIONS ET EN PARTICULIER A LA TELEPHONIE. THE INVENTION CONCERNS TELECOMMUNICATIONS. THE CONTROL LOGIC INCLUDES AT LEAST ONE SET CONSISTING OF A MASTER PROCESSOR, TWO SLAVE PROCESSORS AND A MEMORY OF EXCHANGES BETWEEN THE MASTER PROCESSOR AND THE SLAVE PROCESSORS. SLAVE PROCESSORS HAVE ACCESS TO A COMMON MEMORY THROUGH AN INTERPROCESSOR COUPLER. APPLICATION TO TELECOMMUNICATIONS AND IN PARTICULAR TO TELEPHONY.

Patent FR2326100B1

DEVICE FOR ADDRESSING A SET OF RECORDERS OF A SWITCHING PLANT

TIME SWITCHING SYSTEM

Système de commutation temporelle, notamment multiservice, de type installation d'intercommunication au autocommutateur, commandé par une logique programmée de gestion 15 et synchronisé par une base de temps 9 pour assurer des échanges d'informations entre des terminaisons 3X, 3Y, 3Z auxquelles sont raccordés des terminaux de télécommunication 4A, 1B, 1C, directement, soit par l'intermédiaire d'autres systèmes de commutation. Le système comporte une logique programmée de gestion du système, structurée autour d'un processeur 7, éventuellement dupliqué, dont la mémoire directement adressable 7A, 7B assure aussi les mémorisations pour l'ensemble des opérations de commande et notamment pour la commutation des informations échangées par l'intermédiaire des terminaisons, qui sont elles-mêmes raccordées en parallèle à un port du processeur par l'intermédiaire d'une liaison multiplexe temporelle 6 de type bus. Time switching system, in particular multiservice, of the PABX intercommunication installation type, controlled by a programmed management logic 15 and synchronized by a time base 9 to ensure exchanges of information between 3X, 3Y, 3Z terminations which are connected to telecommunication terminals 4A, 1B, 1C, directly or through other switching systems. The system comprises a programmed logic for managing the system, structured around a processor 7, possibly duplicated, whose directly addressable memory 7A, 7B also ensures the memorizations for all the control operations and in particular for the switching of the information exchanged. via the terminations, which are themselves connected in parallel to a port of the processor via a time-division multiplex link 6 of the bus type.

Patent FR2171245A1

DEVICE FOR EXCHANGING CODED MESSAGES BETWEEN STATIONS

Patent FR2127655A5

DIGITAL SWITCHING SYSTEM FOR TELEPHONE AND DIGITAL DATA SIGNALS

LE SYSTEME DE COMMUTATION COMPORTE: A DES MOYENS CONSTITUANT UN CIRCUIT DE COMMANDE PRINCIPAL 1 DU SYSTEME, ET B UNE OU PLUSIEURS UNITES PERIPHERIQUES 6 AUXQUELLES SONT ASSOCIES DES CIRCUITS DE CONTROLE D'UNITE PERIPHERIQUE 5 POURVUS DE PORTS POUR LIAISON A CES UNITES PERIPHERIQUES. IL COMPORTE ENCORE: C UN RESEAU DE COMMUTATION CIRCUIT 4 SOUS CONTROLE DU CIRCUIT DE COMMANDE PRINCIPAL RELIE PAR DES LIAISONS A LA OU AUX UNITES PERIPHERIQUE(S) POUR ETABLIR ET COMMUTER DES CIRCUITS DE TRANSMISSION POUR DES SIGNAUX TRANSMIS ENTRE LES UNITES PERIPHERIQUES EN PASSANT PAR LESDITES BORNES, ET D UN RESEAU DE COMMUTATION MESSAGE 3, MONTE ENTRE LES CIRCUITS DE CONTROLE D'UNITE PERIPHERIQUE ET LE CIRCUIT DE COMMANDE PRINCIPAL DU SYSTEME, POUR TRANSFERER ET COMMUTER DES SIGNAUX DE COMMANDE ET DE CONTROLE CONCERNANT L'ETAT DES PERIPHERIQUES ENTRE LESDITS CIRCUITS DE CONTROLE ET LE CIRCUIT DE COMMANDE PRINCIPAL. THE SWITCHING SYSTEM INCLUDES: A MEANS CONSTITUTING A MAIN CONTROL CIRCUIT 1 OF THE SYSTEM, AND B ONE OR MORE PERIPHERAL UNITS 6 TO WHICH ARE ASSOCIATED CONTROL CIRCUITS OF PERIPHERAL UNIT 5 PROVIDED WITH PORTS FOR CONNECTING TO THESE PERIPHERAL UNITS. IT STILL INCLUDES: C A CIRCUIT 4 SWITCHING NETWORK UNDER CONTROL OF THE MAIN CONTROL CIRCUIT CONNECTED BY LINKS TO THE PERIPHERAL UNIT (S) TO ESTABLISH AND SWITCH TRANSMISSION CIRCUITS FOR SIGNALS TRANSMITTED BETWEEN THE PERIPHERAL UNITS BY PASSING THROUGH THE SAID TERMINALS, AND FROM A MESSAGE 3 SWITCHING NETWORK, MOUNTED BETWEEN THE PERIPHERAL UNIT CONTROL CIRCUITS AND THE MAIN CONTROL CIRCUIT OF THE SYSTEM, TO TRANSFER AND SWITCH COMMAND AND CONTROL SIGNALS CONCERNING THE STATE OF THE PERIPHERALS BETWEEN THE SAID CONTROL CIRCUITS AND THE MAIN CONTROL CIRCUIT.

Patent FR2178021A1

SWITCHING DEVICE FOR DIGITAL SIGNALS

L'INVENTION CONCERNE LA COMMUTATION DE SIGNAUX NUMERIQUES. UN DISPOSITIF DE COMMUTATION NUMERIQUE COMPREND ESSENTIELLEMENT DES UNITES DE LIGNE 10, ASSOCIEES A DES MULTIPLEXEURS 11; UN COMMUTATEUR TEMPOREL D'ENTREE 15 ET UN COMMUTATEUR TEMPOREL DE SORTIE 16, QUI COMMUNIQUENT PAR UNE INTERFACE 17; ET UNE UNITE CENTRALE DE TRAITEMENT 25 ASSOCIEE A DES MEMOIRES 26, 27 ET 28. LA CONFIGURATION DE CE DISPOSITIF PERMET DE L'ADAPTER A DES BESOINS TRES VARIABLES. APPLICATION AUX AUTOCOMMUTATEURS TELEPHONIQUES PRIVES. THE INVENTION RELATES TO THE SWITCHING OF DIGITAL SIGNALS. A DIGITAL SWITCHING DEVICE ESSENTIALLY CONSISTS OF LINE UNITS 10, ASSOCIATED WITH MULTIPLEXERS 11; AN INPUT TIME SWITCH 15 AND AN OUTPUT TIME SWITCH 16, WHICH COMMUNICATE THROUGH AN INTERFACE 17; AND A CENTRAL PROCESSING UNIT 25 ASSOCIATED WITH MEMORIES 26, 27 AND 28. THE CONFIGURATION OF THIS DEVICE ALLOWS IT TO BE ADAPTED TO VERY VARIABLE NEEDS. APPLICATION TO PRIVATE TELEPHONE SWITCHES.

DIGITAL SWITCHING SYSTEM WITH DISTRIBUTED CONTROL

Système de commutation numérique à réseau de connexion modulaire et à commande par microprocesseurs. Les terminaux desservis par le système sont répartis en groupes (60 lignes ou 30 circuits) à chacun desquels est associé un premier micro-processeur A effectuant une partie des fonctions de traitement nécessaires à ce groupe, par exemple la détection des nouveaux appels et la recherche de trajets de connexion. Les autres fonctions de commande, telles que l'établissement, le maintien et la libération des connexions, sont assurées pour plusieurs groupes A0 à A7 par un second microprocesseur B via un commutateur temporel 42 identique aux modules utilisés dans le réseau de connexion 10. Les signaux de commande des commutateurs, les signaux de parole et les informations échangées entre microprocesseurs sont multiplexés sur des trajets communs 38, 26, etc. Digital switching system with modular connection network and microprocessor control. The terminals served by the system are divided into groups (60 lines or 30 circuits) to each of which is associated a first microprocessor A performing part of the processing functions necessary for this group, for example the detection of new calls and the search. of connection paths. The other control functions, such as establishing, maintaining and releasing connections, are performed for several groups A0 to A7 by a second microprocessor B via a time switch 42 identical to the modules used in connection network 10. switch control signals, speech signals and information exchanged between microprocessors are multiplexed on common paths 38, 26, etc.

TEMPORAL SWITCHING SYSTEM

CONNECTOR FOR CARD READER HAVING DOUBLE DETECTION CONTACTS

Signaling processing system for circuit mode support assembly of a telecommunications installation.

AUTOMATIC SWITCH FOR A TELECOMMUNICATIONS SYSTEM

TEMPORAL TELECOMMUNICATION CENTRAL

L'invention est du domaine des télécommunications. Dans un central temporel, les organes multienregistreurs, marqueurs, traducteurs et taxeurs sont remplacés par une unité de commande reliée au réseau de connexion et aux unités de sélections du centraL L'unité de commande comporte une partie multienregistreur chargée de l'établissement et de la rupture des communications, et une partie échangeur qui assure les liaisons entre la partie multienregistreur et les équipements du centraL Deux unités de commande peuvent être utilisées; l'une est dite maître et l'autre esclave. Les unités de commande sont reliées au Centre de Traitement des Informations par l'intermédiaire d'un organe de contrôle. Application aux centraux temporels notamment aux centraux téléphoniques. The invention is in the field of telecommunications. In a time-based exchange, the multi-recorder, markers, translators and taxers units are replaced by a control unit connected to the connection network and to the selection units of the center. The control unit includes a multi-recorder part responsible for establishing and breakdown of communications, and an exchanger part which provides links between the multi-recorder part and the central equipment. Two control units can be used; one is called master and the other slave. The control units are linked to the Information Processing Center via a control organ. Application to time-based exchanges, in particular to telephone exchanges.

Patent FR2403704B1

Patent FR2451141B1

APPARATUS FOR INFORMATION MANAGEMENT RELATING TO ALARM AND / OR RESPONSE SIGNALS TO CONTROL AND / OR SELF-CONTROL MESSAGES CONCERNING A TRANSIT NETWORK FOR TIME-SHARED TELECOMMUNICATIONS SYSTEMS

CET APPAREILLAGE EST INCLUS DANS UN RESEAU DE TRANSIT 1, PILOTE PAR UNE COMMANDE CENTRALE 2, COMPRENANT DES UNITES DE LIGNE 3, DEUX UNITES DE CONTROLE DES TRANSITS 5A, 5B, D'INTERFACE RESPECTIVEMENT AVEC DES SYSTEMES PCM ET AVEC LA COMMANDE CENTRALE, UN RESEAU DE COMMUTATION SPATIO-TEMPOREL 4 CONSTITUE PAR DEUX SECTIONS IDENTIQUES ET SYNCHRONES, CHACUNE DESQUELLES COMPREND PLUSIEURS GROUPES DE COMMUTATION TEMPORELLE D'ENTREE ET AUTANT DE GROUPES DE COMMUTATION TEMPORELLE DE SORTIE, ENTRE LESQUELS EST INTERPOSE UN ETAGE DE COMMUTATION SPATIALE, ET DES CIRCUITS 6 DE CONTROLE DE L'IDENTITE DES DONNEES ELABOREES PAR LES DEUX SECTIONS; LES UNITES DE LIGNE 3 ET LES GROUPES DE COMMUTATION TEMPORELLE D'ENTREE ET DE SORTIE DES DEUX SECTIONS SONT REUNIS EN MODULES; L'APPAREILLAGE ELABORE LES ALARMES ET LES REPONSES PROVENANT DES MODULES, LES ALARMES ET LES REPONSES PROVENANT DES CANAUX INTERESSES PAR LES COMMANDES VERS LES MODULES, LES ALARMES PROVENANT DES UNITES DE CONTROLE DES TRANSITS ET DE L'ETAGE DE COMMUTATION SPATIAL, ET LES ALARMES DES MOYENS DE SYNCHRONISATION. THIS EQUIPMENT IS INCLUDED IN A TRANSIT NETWORK 1, DRIVEN BY A CENTRAL CONTROL 2, INCLUDING LINE 3 UNITS, TWO TRANSIT CONTROL UNITS 5A, 5B, RESPECTIVELY INTERFACE WITH PCM SYSTEMS AND WITH THE CENTRAL CONTROL, A SPATIO-TEMPORAL SWITCHING NETWORK 4 CONSTITUTES BY TWO IDENTICAL AND SYNCHRONOUS SECTIONS, EACH OF WHICH INCLUDES SEVERAL INPUT TEMPORAL SWITCHING GROUPS AND AS MANY OUTPUT TEMPORAL SWITCHING GROUPS, BETWEEN A SPACE SWITCHING STAGE 6, AND CHECKING THE IDENTITY OF THE DATA PREPARED BY THE TWO SECTIONS; THE 3-LINE UNITS AND THE INPUT AND OUTPUT TIME SWITCHING GROUPS OF THE TWO SECTIONS ARE GATHERED IN MODULES; THE EQUIPMENT ELABORATES THE ALARMS AND THE RESPONSES FROM THE MODULES, THE ALARMS AND THE RESPONSES FROM THE CHANNELS CONCERNED BY THE COMMANDS TO THE MODULES, THE ALARMS FROM THE TRANSIT CONTROL UNITS AND FROM THE SPATIAL SWITCHING STAGE, AND THE ALARMS MEANS OF ...

CONTROL CHANNEL INTERFACE CIRCUIT IN A TELECOMMUNICATION SYSTEM

L'INVENTION CONCERNE LES SYSTEMES DE TELECOMMUNICATIONS NUMERIQUES. UN CIRCUIT D'INTERFACE DE CANAL DE COMMANDE ASSURE L'INTERFACE ENTRE UN PROCESSEUR LOCAL 202 D'UN SYSTEME DE TELECOMMUNICATION MULTIPROCESSEUR DE TYPE REPARTI 200, ET UN BUS COMMUN A, B FONCTIONNANT EN MULTIPLEX TEMPOREL. LE CIRCUIT D'INTERFACE DE CANAL DE COMMANDE 203 ASSURE LES FONCTIONS DE DETECTION, D'EXTRACTION ET DE SYNCHRONISATION DES MESSAGES DE COMMANDE TRANSMIS ENTRE UN PROCESSEUR CENTRAL ET LE PROCESSEUR LOCAL PAR L'INTERMEDIAIRE DU BUS, CE QUI DECHARGE LE PROCESSEUR LOCAL DE CES TACHES. APPLICATION AUX AUTOCOMMUTATEURS TELEPHONIQUES. THE INVENTION RELATES TO DIGITAL TELECOMMUNICATION SYSTEMS. A CONTROL CHANNEL INTERFACE CIRCUIT PROVIDES THE INTERFACE BETWEEN A LOCAL PROCESSOR 202 OF A MULTIPROCESSOR TELECOMMUNICATION SYSTEM OF DISTRIBUTED TYPE 200, AND A COMMON BUS A, B OPERATING AS A TIME MULTIPLEX. THE CONTROL CHANNEL INTERFACE CIRCUIT 203 PROVIDES THE FUNCTIONS OF DETECTION, EXTRACTION AND SYNCHRONIZATION OF COMMAND MESSAGES TRANSMITTED BETWEEN A CENTRAL PROCESSOR AND THE LOCAL PROCESSOR THROUGH THE BUS, RELIEVING THE LOCAL PROCESSOR OF THESE TASKS. APPLICATION TO TELEPHONE PABX SWITCHES.

Telephone line status detecting unit - has photocoupling device to detect whether line current is lower or greater than set value

A telephone-line status-detecting unit can determine when the line current is lower or greater than set values. It can also be insensitive to the line cut-off due to dialing a number. The unit has a photo-emitting diode circuit (1) connected to a telephone line (L). It also has a photo-coupling device (5) and a photo-detecting diode (6). The photo-emitting diode (4) is connected to a resistor bridge (32, 33) and to the collector of a transistor (30). The transistor (30) is also connected across the line (L). The photo-detecting diode (6) is connected to a circuit (7) with an assymetrical time constant. This circuit (7) has a network with a diode (37), a resistor (38) and a capacitor (400). The circuit (7) has a flip-flop action. The logic circuit (7) is connected to a locking circuit (9) with an inhibition input terminal (15) and a sampling input terminal (16).

Patent FR2038852A5

Patent FR2504762B1

PABX FOR A TELECOMMUNICATIONS SYSTEM

L'invention concerne la commutation téléphonique. Un autocommutateur comprend essentiellement une première mémoire intermédiaire 11 qui enregistre dans ses différentes positions des échantillons des signaux d'entrée; une seconde mémoire intermédiaire 13 destinee à enregistrer des échantillons des signaux de sortie; et un processeur de commutation 12 qui transmet sélectivement les échantillons enregistrés dans la première mémoire intermédiaire vers des positions sélectionnées dans la seconde mémoire intermédiaire. Le processeur est également capable d'effectuer divers traitements sur les signaux qu'il transmet d'une mémoire à l'autre. Application aux centraux téléphoniques. The invention relates to telephone switching. A PBX essentially comprises a first intermediate memory 11 which records in its various positions samples of the input signals; a second intermediate memory 13 intended to record samples of the output signals; and a switching processor 12 which selectively transmits the samples recorded in the first intermediate memory to selected positions in the second intermediate memory. The processor is also capable of performing various processing operations on the signals it transmits from one memory to another. Application to telephone exchanges.

TELEPHONE LINE INTERFACE CIRCUIT

TEMPORARY MEMORY TELECOMMUNICATION SYSTEM FOR DISTRIBUTED PROCESSING OF INFORMATION MESSAGES

SYSTEME DE TELECOMMUNICATION A COMMANDE DISTRIBUEE ENTRE PLUSIEURS PROCESSEURS, NOTAMMENT DES MICROPROCESSEURS UCT ASSOCIES CHACUN A UN GROUPE DE POSTES OU DE JONCTIONS TELEPHONIQUES D'UN AUTO-COMMUTATEUR TEMPOREL A ARCHITECTURE MODULAIRE ET RELIES A UN CALCULATEUR CENTRAL PAR UN BUS SYSTEME. SELON L'INVENTION, UNE MEMOIRE TEMPORAIRE RAM DITE "BOITE A LETTRE" CONSTITUE UN MOYEN D'ACCES ENTRE, D'UNE PART, LE BUS DE GROUPE RELIANT LE PROCESSEUR UCT, SA MEMOIRE (MEMOIRE PROGRAMME) ET LE CIRCUIT DE TRANSPOSITION D'INTERVALLES DE TEMPS ET, D'AUTRE PART, LE BUS SYSTEME. DES ZONES SEPAREES SONT PREVUES DANS LA BOITE A LETTRE POUR ENREGISTRER LES INFORMATIONS A TRANSMETTRE DANS CHAQUE SENS. UNE INDICATION CONCERNANT CES INFORMATIONS EST FOURNIE AU COURS D'EXPLORATIONS PERIODIQUES DE LA BOITE A LETTRE PAR LE PROCESSEUR DE GROUPE ET ELLE DECLENCHE LE TRANSFERT DE DONNEES REQUIS DES QUE LE BUS DESTINATAIRE EST DISPONIBLE. TELECOMMUNICATION SYSTEM DISTRIBUTED BETWEEN SEVERAL PROCESSORS, IN PARTICULAR UCT MICROPROCESSORS EACH ASSOCIATED WITH A GROUP OF TELEPHONE STATIONS OR JUNCTIONS OF A TEMPORAL AUTO-SWITCH WITH MODULAR ARCHITECTURE AND CONNECTED TO A CENTRAL SYSTEM BUS. ACCORDING TO THE INVENTION, A TEMPORARY MEMORY RAM CALLED "LETTER BOX" CONSTITUTES A MEANS OF ACCESS BETWEEN, on the one hand, THE GROUP BUS CONNECTING THE UCT PROCESSOR, ITS MEMORY (PROGRAM MEMORY) AND THE TRANSPOSITION CIRCUIT OF TIME INTERVALS AND, ON THE OTHER HAND, THE SYSTEM BUS. SEPARATE ZONES ARE PROVIDED IN THE LETTERBOX TO RECORD THE INFORMATION TO BE TRANSMITTED IN EACH DIRECTION. AN INDICATION CONCERNING THIS INFORMATION IS PROVIDED DURING PERIODIC EXPLORATIONS OF THE MAILBOX BY THE GROUP PROCESSOR AND IT STARTS THE TRANSFER OF DATA REQUIRED AS SOON AS THE DESIRED BUS IS AVAILABLE.

Patent FR2197284A1

LOOP CIRCUIT FOR TELEPHONE LINE

L'INVENTION CONCERNE UN CIRCUIT DE BOUCLE POUR LIGNE TELEPHONIQUE ET, PLUS PARTICULIEREMENT, UN CIRCUIT DE TERMINAISON D'UNE LIGNE RESEAU DANS UNE INSTALLATION TELEPHONIQUE PRIVEE. CE CIRCUIT COMPREND UN TRANSISTOR T1 DONT UNE PREMIERE ELECTRODE EST CONNECTEE DIRECTEMENT A L'UN DES FILS DE LA LIGNE, DONT UNE SECONDE ELECTRODE EST CONNECTEE A L'AUTRE DES FILS DE LA LIGNE VIA UNE RESISTANCE R1, R4 ET DONT L'ELECTRODE DE COMMANDE EST CONNECTEE PAR UNE RESISTANCE R2 A L'UN DES FILS DE LA LIGNE ET PAR UN CONDENSATEUR C1 A L'AUTRE FIL, UN INTERRUPTEUR SC2 POUR BLOQUER SUR COMMANDE CE TRANSISTOR, ET UN AUTRE INTERRUPTEUR SC1 POUR DECONNECTER DU RESTE DU CIRCUIT L'UNE DES ARMATURES DU CONDENSATEUR C1. L'INVENTION EST APPLICABLE DANS LES INSTALLATIONS TELEPHONIQUES PRIVEES. THE INVENTION RELATES TO A LOOP CIRCUIT FOR A TELEPHONE LINE AND, MORE PARTICULARLY, A TERMINATION CIRCUIT OF A NETWORK LINE IN A PRIVATE TELEPHONE INSTALLATION. THIS CIRCUIT INCLUDES A T1 TRANSISTOR OF WHICH A FIRST ELECTRODE IS CONNECTED DIRECTLY TO ONE OF THE LINE WIRES, OF WHICH A SECOND ELECTRODE IS CONNECTED TO THE OTHER OF THE LINE WIRES VIA A R1, R4 RESISTOR AND OF WHICH THE ELECTRODE OF CONTROL IS CONNECTED BY AN R2 RESISTOR TO ONE OF THE WIRES OF THE LINE AND BY A C1 CAPACITOR TO THE OTHER WIRE, A SWITCH SC2 TO LOCK THIS TRANSISTOR ON COMMAND, AND ANOTHER SW1 SC1 TO DISCONNECT FROM THE REST OF THE CIRCUIT. ONE OF THE CONDENSER REINFORCEMENTS C1. THE INVENTION IS APPLICABLE IN PRIVATE TELEPHONE INSTALLATIONS.

CENTRAL DIGITAL SWITCHING FOR TELECOMMUNICATIONS SYSTEMS

CENTRAL DE COMMUTATION NUMERIQUE POUR SYSTEMES DE TELECOMMUNICATIONS COMPRENANT: UNE PLURALITE DE MODULES D'ACHEMINEMENT MII RELIES ENTRE EUX ET AYANT UN NOMBRE PREETABLI D'UNITES D'ACCES A TRAVERS DES LIGNES PCM, DE FACON A REALISER UNE STRUCTURE NON HIERARCHIQUE DE MODULES ELEMENTAIRES EGAUX; UNE PLURALITE DE GROUPES D'UNITES D'ACCES RELATIVES AUX USAGERS UAA, CHAQUE GROUPE ETANT RELIE A UN DES MODULES AU MOYEN D'UN FAISCEAU PCM; UNE PLURALITE DE GROUPES D'UNITES D'ACCES RELATIVES AUX LIGNES DE JONCTION DE TYPE ANALOGIQUE UGG, CHAQUE GROUPE ETANT RELIE A UN DES MODULES AU MOYEN D'UN FAISCEAU PCM; UNE PLURALITE D'UNITES D'ACCES RELATIVES AUX LIGNES DE JONCTION DE TYPE NUMERIQUE TNN, CHACUNE D'ENTRE ELLES ETANT RELIEE A UN MODULE AU MOINS, PAR UN FAISCEAU PCM; UN GENERATEUR CENTRALISE CKC DE SIGNAUX D'HORLOGE; ET UN ORDINATEUR DE SERVICE SGS. DIGITAL SWITCHING CENTER FOR TELECOMMUNICATION SYSTEMS INCLUDING: A PLURALITY OF MII ROUTING MODULES LINKED TO ONE HIMSELF AND HAVING A PRE-ESTABLISHED NUMBER OF ACCESS UNITS THROUGH PCM LINES, SO AS TO ACHIEVE A NON-HIERARCHICAL STRUCTURE OF EQUAL MODULES ; A PLURALITY OF GROUPS OF ACCESS UNITS RELATING TO UAA USERS, EACH GROUP RELATED TO ONE OF THE MODULES BY MEANS OF A PCM HARNESS; A PLURALITY OF GROUPS OF ACCESS UNITS RELATING TO ANALOGUE UGG JUNCTION LINES, EACH GROUP BEING CONNECTED TO ONE OF THE MODULES BY MEANS OF A PCM BEAM; A PLURALITY OF ACCESS UNITS RELATING TO THE TNN NUMERIC TYPE JUNCTION LINES, EACH OF THEM BEING CONNECTED TO AT LEAST ONE MODULE, BY A PCM BEAM; A CENTRALIZED CKC GENERATOR OF CLOCK SIGNALS; AND AN SGS SERVICE COMPUTER.

Patent FR2046007A5

ADAPTIVE ELECTRONIC DIFFERENTIAL CIRCUIT

Circuit différentiel électronique adaptatif. La présente invention concerne un circuit différentiel électronique adaptatif pouvant être utilisé dans le raccordement entre les côtés deux fils et à quatre fils d'une ligne de communication téléphonique. La présente invention prévoit un circuit qui est apte à permettre une adaptation suffisante d'impédance. Application aux circuit téléphoniques. Adaptive electronic differential circuit. The present invention relates to an adaptive electronic differential circuit that can be used in the connection between two-wire and four-wire sides of a telephone communication line. The present invention provides a circuit which is able to allow sufficient impedance matching. Application to telephone circuits.

Digital span conversion circuit

DIGITAL SPAN CONVERSION CIRCUIT ABSTRACT OF THE DISCLOSURE In a telecommunications switching system, a thick film digital span conversion circuit is con-nected between a digital span and a switching network of the switching system. The circuit converts data, which is encoded for digital span use, to TTL logic coding for use by the switching network. The tele-communications switching system also provides for duplicated data transmission through the switching network. Duplicated conversion circuits are employed in an active/standby configuration under CPU control. The present circuit is relatively small in size and has minimal power consumption.

Device for linking a private telephone network to the public network

Le dispositif de raccordement conforme à la présente invention comporte, pour la voie émission vers le réseau public, un amplificateur (2) dont les sorties symétriques sont reliées au réseau public par des condensateurs (3, 9), la perte de gain due à ces condensateurs étant compensée par un second amplificateur (8). Pour la voie réception, le dispositif comporte un troisième amplificateur (15) dont les entrées sont reliées au réseau public par des condensateurs (14, 16) et dont la sortie est reliée à une entrée d'un quatrième amplificateur (17) dont l'autre entrée est reliée par un réseau déphaseur (18) à la voie émission. Application: téléphonie privée. The connection device according to the present invention comprises, for the transmission channel to the public network, an amplifier (2) whose symmetrical outputs are connected to the public network by capacitors (3, 9), the loss of gain due to these capacitors being compensated by a second amplifier (8). For the reception channel, the device comprises a third amplifier (15) whose inputs are connected to the public network by capacitors (14, 16) and whose output is connected to an input of a fourth amplifier (17) whose another input is connected by a phase shifting network (18) to the transmission channel. Application: private telephony.

Method for the transmission of information between devices of an indirectly controlled switching system, in particular a telephone switching system

Intrusion into an existing telephone connection between subscribers

Multifunction Analog Trunk Circuit_

본 발명은 교환시스템에서 소프트웨어 제어에 의해 다기능의 아날로그 트렁크로서 동작하도록 하는 프로그램가능한 아날로그 트렁크 회로를 개시하고 있다. 본 발명의 제1실시예에 따른 아날로그 트렁크 회로는 루프(LOOP) 트렁크회로, 그라운드스타트(GROUND START) 트렁크회로, DID(Direct Inward Dialing tie line) 트렁크회로, 또는 E＆M(Ear ＆ Mouth tie line) 트렁크회로로서 동작할 수 있으며, 제2실시예에 따른 트렁크회로는 루프(LOOP) 트렁크회로, 링다운(RING DOWN tie line) 트렁크회로, 보스웨이(BOTH WAY tie line) 트렁크회로, 이앤엠(E＆M tie line) 트렁크회로로서 동작할 수 있다. 각 트렁크회로의 동작은 각 트렁크를 위해 구비된 릴레이들의 구동을 제어함으로써 수행될 수 있다. The present invention discloses a programmable analog trunk circuit which allows the switching system to operate as a multifunctional analog trunk by software control. The analog trunk circuit according to the first embodiment of the present invention may be a loop (LOOP) trunk circuit, a ground start trunk circuit, a direct inward dialing tie line (DID) trunk circuit, or an E & M (ear & mouth tie line) trunk. The trunk circuit according to the second embodiment may include a loop loop circuit, a ring down trunk circuit, a trunk way line trunk circuit, and an E & M tie. line) can operate as a trunk circuit. The operation of each trunk circuit can be performed by controlling the driving of relays provided for each trunk.

Direct inward-outward dialing trunk circuit

A direct inward-outward dialing (DIOD) trunk circuit having a DIOD detecting/sending circuit connected to tip and ring terminals connected to a central office line and a primary coil of a transformer, for detecting a polarity of the voltage potential at the tip and ring terminals and the current flowing therethrough to determine reception of one of an incoming and outgoing telephone call, and a switch, controlled by a relay driver responsive to an interface circuit used for interfacing the DIOD trunk circuit with a switching circuit of a private branch exchange (PBX), for enabling the current to flow between the tip and ring terminals through the DIOD detecting/sending circuit via one of a low or high impedance path, wherein the low impedance path is used to establish a speech path between a central office line subscriber and a corresponding extension subscriber of the PBX.

Line circuit for network junctor

The present invention relates to a line circuit for network line junctor and more particularly to a dialling device. The dialling device according to the invention presents a high impedance for the direct current, the direct current being regulated about a predetermined threshold by means of an electronic choke, the regulation being controlled by a control circuit formed by an RC circuit with large time constant, by a diode and a capacitor. The invention is more particularly applicable to private switching equipment or to subscribers' terminals.

Current sensor for direct-dial exchange circuits

The invention relates to a circuit arrangement for direct-dial exchange circuits which are disposed in telephone PABX systems with pulse dial code signalling, the direct-dial exchange circuits in each case containing a feed coil between a first and a second speech line on the exchange side whose mid-connections are AC-bypassed by a coupling capacitor with a value in the 1.5 mu F to 2.2 mu F range and whose current sensor, in order to receive the dial pulses which are transmitted via the feed coil and the first speech line, forms an unbalanced network which is approximately balanced by a balancing component which consists of a series circuit comprising a capacitor of the same order of magnitude as the coupling capacitor and a resistor of the same order of magnitude as the current sensor, said balancing component being connected in parallel with the voltage sensor via the feed coil to the second speech line and having a hybrid circuit on the subscriber side which is connected in DC-free fashion by means of a blocking capacitor disposed in one speech line. An electronic coil with an impedance of the order of magnitude of a voltage sensor which can be connected to the second speech line is connected in parallel with a current sensor which can be connected to the first speech line and which comprises a low-impedance resistor with a Zener diode operating in series and in the reverse direction. A circuit arrangement of this type is ... in direct-dial exchange circuits as a connecting component between the telephone exchange and the ... Original abstract incomplete. <IMAGE>

Postage meter machine with a chip card write / read unit

Patent DE3901433C2

System for identifying and converting blocking signal

(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。

Transmission device.

Patent FR2331929B1

Foerfarande samt system Foer omedelbar anknytning and omkoppling av digitala korskopplingsnaet

Call-for-service and continuity sensor circuit

TITLE CALL-FOR-SERVICE AND CONTINUITY SENSOR CIRCUIT A "call-for-service" and continuity sensor circuit for use with a trunk circuit of a digital PABX telephone system interfacing with a central office via ground start signaling providing for de-tection of a "call-for-service" signal to the PABX by the central office. This circuit also provides high and closely matched tip to ground and ring to ground impedances for all trunk conditions in order to prevent excess loading of the trunk circuit. This circuit provides a precise and stable threshold de-tection level necessary for accurate sensing of the trunk circuit conditions mentioned above despite parasitic leakage current, induced longitudinal power line voltages, and earth potentials sometimes found to exist on the line connecting the central office to the PABX.

IMPROVEMENTS IN A MODULAR STRUCTURE OF MIC SWITCHING NETWORK WITH DISTRIBUTED CONTROL AND DIAGNOSIS.

Patent JPS5520440B2

TELEPHONE LINE INTERFACE CIRCUIT

L'INVENTION CONCERNE LES CIRCUITS D'ALIMENTATION DES LIGNES TELEPHONIQUES. UN CIRCUIT DE REFERENCE DE MODE COMMUN COMMUTABLE 40, DESTINE AUX AMPLIFICATEURS D'ALIMENTATION 31, 32 D'UNE LIGNE TELEPHONIQUE, PROCURE UNE REFERENCE DE REACTION DE MODE COMMUN POUR LE FONCTIONNEMENT EN MODE DE DECLENCHEMENT PAR BOUCLE ET UNE POLARISATION DE MODE COMMUN FIXE POUR LE FONCTIONNEMENT EN MODE DE DECLENCHEMENT PAR MASSE. LES SIGNAUX DE COURANT DANS LES DEUX FILS 11, 12 DE LA LIGNE SONT DETECTES SEPAREMENT POUR COMMANDER LA FONCTION DE COMMUTATION ET LES AMPLIFICATEURS D'ALIMENTATION DE LIGNE 31, 32 SONT COMMUTES ENTRE UN MODE DE SOURCE DE COURANT POUR LE DECLENCHEMENT PAR BOUCLE ET UN MODE DE SOURCE DE TENSION POUR LE DECLENCHEMENT PAR MASSE. APPLICATION AUX RESEAUX TELEPHONIQUES. THE INVENTION CONCERNS SUPPLY CIRCUITS FOR TELEPHONE LINES. A SWITCHABLE COMMON MODE REFERENCE CIRCUIT 40, INTENDED FOR POWER SUPPLY AMPLIFIERS 31, 32 OF A TELEPHONE LINE, PROVIDES A COMMON MODE REACTION REFERENCE FOR OPERATION IN LOOP TRIP MODE AND A FIXED COMMON MODE POLARIZATION FOR OPERATION IN MASS TRIP MODE. THE CURRENT SIGNALS IN BOTH WIRES 11, 12 OF THE LINE ARE SEPARATELY DETECTED TO CONTROL THE SWITCHING FUNCTION AND THE LINE FEED AMPLIFIERS 31, 32 ARE SWITCHED BETWEEN CURRENT SOURCE MODE FOR LOOP TRIP AND ONE VOLTAGE SOURCE MODE FOR GROUND TRIP. APPLICATION TO TELEPHONE NETWORKS.

Satellite based data transfer and delivery system

A high speed data transfer system includes a WAU ( 201 ) which is utilized to provide high speed access to satellite transferred data. The system is configured such that a plurality of data utilization ( 205 ) may access the high speed data via wireless links to the WAU ( 201 ). Advantageously, high speed data services may be provided to users without the users requiring individual satellite antennas.

Process for operating an exchange and scaleable digital switch system for carrying out the process

A method of operating a switching facility is based on a data base consisting of individual data sets which can be addressed via a key term. The data base is held on a mass store with relatively high access time. To reduce the data access time, a RAM is provided in which the data sets from the data base can be stored. Also provided is a second store area in which a field of pointers to such data sets can be stored, and access occurs in such a way that a field index is derived from the key term. By requesting a pointer to a data set in the first store area, the data set is taken from either the RAM or the mass store. In the latter case, the data set once read out is duplicated in the RAM and an appropriate pointer is entered. For that purpose, a preferably digital and expandable switching system is provided for switching the PCM signals; the said switching system comprises at least one host computer (60), at least one telephone server (70) and a plurality (50) of elementary telephone switching contacts (100, 101...) which are interconnected via a high-speed communications network (80).

DEVICE FOR ADDRESSING A SET OF RECORDERS OF A SWITCHING PLANT

UN DISPOSITIF D'ADRESSAGE COMPORTE UN COMPTEUR DE RECHERCHE 20 RELIE A UN PREMIER MULTIPLEXEUR 24 ET A UN DEUXIEME MULTIPLEXEUR 25, UNE MEMOIRE 33 RELIEE A LA SORTIE DU PREMIER MULTIPLEXEUR POUR INSCRIPTION DU TYPE DE TRAITEMENT DE CHAQUE ENREGISTREUR, UN COMPTEUR D'ENREGISTREURS 26 RELIE AU DEUXIEME MULTIPLEXEUR LUI-MEME RELIE EN SORTIE A TROIS REGISTRES 28, 30, 32 EN SERIE. LA SORTIE DU DEUXIEME REGISTRE 30 EST RELIEE AU PREMIER MULTIPLEXEUR POUR ADRESSER LA MEMOIRE EN ECRITURE, SOUS COMMANDE D'UN SIGNAL D'ECRITURE CRW. LE COMPTEUR DE RECHERCHE ADRESSE LA MEMOIRE EN LECTURE ET S'ARRETE DES DETECTION D'UN ENREGISTREUR DEMANDANT UN TRAITEMENT RAPIDE; LE DEUXIEME MULTIPLEXEUR RECOIT UN SIGNAL DE TRANSFERT ST POUR TRANSMETTRE L'ADRESSE PRESENTE EN SORTIE DU COMPTEUR DE RECHERCHE; LE COMPTEUR D'ENREGISTREUR 26 EST ARRETE PENDANT LE SIGNAL DE TRANSFERT. AN ADDRESSING DEVICE INCLUDES A SEARCH COUNTER 20 CONNECTED TO A FIRST MULTIPLEXER 24 AND TO A SECOND MULTIPLEXER 25, A MEMORY 33 CONNECTED TO THE OUTPUT OF THE FIRST MULTIPLEXER FOR ENTRY OF THE TYPE OF PROCESSING OF EACH RECORDER, A RECORDER 26 CONNECTED TO THE SECOND MULTIPLEXER ITSELF CONNECTED OUTPUT TO THREE REGISTERS 28, 30, 32 IN SERIES. THE OUTPUT OF THE SECOND REGISTER 30 IS CONNECTED TO THE FIRST MULTIPLEXER TO ADDRESS THE WRITE MEMORY, UNDER CONTROL OF A CRW WRITE SIGNAL. THE SEARCH COUNTER ADDRESSES THE MEMORY FOR READING AND STOPS ON DETECTION OF A RECORDER REQUIRING QUICK PROCESSING; THE SECOND MULTIPLEXER RECEIVES A TRANSFER SIGNAL ST TO TRANSMIT THE ADDRESS PRESENTED AT THE OUTPUT OF THE SEARCH COUNTER; THE RECORDER COUNTER 26 IS STOPPED DURING THE TRANSFER SIGNAL.

A system and method for mining data

A system and method for extracting data, hereinafter referred to as MitoMineTM, that produces a strongly-typed ontology defined collection referencing (and cross referencing) all extracted records. The input to the mining process can be any data source, such as a text file delimited into a set of possibly dissimilar records. Mitomine contains parser routines and post processing functions, known as 'munchers'. The parser routines can be accessed either via a batch mining process or as part of a running server process connected to a live source. Munchers can be registered on a per data-source basis in order to process the records produced, possibly writing them to an external database and/or a set of servers. The present invention also embeds an interpreted ontology based language within a compiler/interpreter (for the source format) such that the statements of the embedded language are executed as a result of the source compiler `recognizing' a given construct within the source and extracting the corresponding source content. In this way, the execution of the statements in the embedded program will occur in a sequence that is dictated wholly by the source content. This system and method therefore make it possible to bulk extract free-form data from such sources as CD-ROMs, the web etc. and have the resultant structured data loaded into an ontology based system.

Card connector

Switching of digital signals

Trunk line circuit 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。

Method and system for central control of terminal units

A communication system includes a central processor operable to transmit data packets and control packets. A communication bus couples the central processor to a transmit/receive module, for communicating the data packets and control packets between the central processor and the transmit/receive module. In a particular embodiment, a plurality of terminal unit control modules are coupled with the central processor, and each terminal unit control module is operable to control at least partially the operation of a respective one of the terminal units.

Patent JPS5816798B2

Receiving output circuit of no-polarity signal

(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。

PROCEDURE FOR THE ALLOCATION OF TECHNICAL RESOURCES OF COMMUNICATION OF A COMMUNICATION SYSTEM FOR SELECTION CONNECTIONS AND PERMANENT CONNECTIONS.

EL ASPECTO ESENCIAL DEL PROCEDIMIENTO SEGUN LA INVENCION ES COMPROBAR QUE EN UNIONES (W) DISCRECIONALES, CUYA DURACION DE CONEXION ES INDICABLE, EN LA QUE SE FORMA UN EQUIPO DE EMISION DE COMUNICACIONES CONECTADO AL SISTEMA SEGUN INFORMACIONES (VDI) DE DURACION DE LAS CONEXIONES Y EN EL MARCO DEL ESTABLECIMIENTO DEL ENLACE SE TRANSMITEN EN EL SISTEMA DE COMUNICACIONES. EN EL SISTEMA SE DETERMINAN LOS TIEMPOS DE EMISION DE CONEXION DISCRECIONAL SEGUN EL PROCESO DE TRANSCONEXION DE LAS UNIONES (W) DISCRECIONALES Y SE SELECCIONAN LAS CORRESPONDIENTES UNIONES (W) DISCRECIONALES CUYA DURACION DE CONEXION DADA TERMINA SEGUN LA FORMA MAS PROXIMA DE PLAZO DE TRANSMISION ANTES DEL PLAZO SIGUIENTE DE UNA UNION (W) FIJA TERMINADA. A PARTIR DE AQUI SON DISPUESTAS EN DEPENDENCIA DE LOS PERIMETROS DE LAS UNIONES (W) DISCRECIONALES SELECCIONADAS, SIENDO DETERMINADOS LOS RECURSOS (VR) TECNICOS DE TRANSMISION Y ANTES DE LOS CONTORNOS NECESARIOS DE LAS UNIONES (FV) FIJAS DETERMINADAS SELECCIONADAS A PARTIR DE LOS RECURSOS (VR) TECNICOS DE TRANSMISION DE LAS UNIONES (W) DISCRECIONALES Y CUYOS RECURSOS (VR) TECNICOS DE TRANSMISION UTILIZADOS DE FORMA LIBRE SON RESERVADOS PARA LAS UNIONES (FV) FIJAS PREVISTAS TERMINADAS DE FORMA RESPECTIVAS. THE ESSENTIAL ASPECT OF THE PROCEDURE ACCORDING TO THE INVENTION IS TO VERIFY THAT IN DISCRETIONAL UNIONS (W), WHICH CONNECTION DURATION IS INDICABLE, IN WHICH A COMMUNICATION ISSUANCE EQUIPMENT CONNECTED TO THE SYSTEM ACCORDING TO CONNECTIONS AND VDI INFORMATION IS FORMED IN THE FRAMEWORK OF THE ESTABLISHMENT OF THE LINK ARE TRANSMITTED IN THE COMMUNICATIONS SYSTEM. IN THE SYSTEM THE TIMES OF DISCRETIONAL CONNECTION ISSUED ARE DETERMINED ACCORDING TO THE PROCESS OF TRANSCONNECTION OF THE DISCRETIONAL UNIONS (W) AND THE CORRESPONDING UNIONS (W) ARE DISCRETIONAL WHEN THE CONNECTION DURATION IS ENDED ACCORDING TO THE NEXTEST FORM OF THE NEXT TERM OF A FIXED UNION (W) FINISHED. FROM HERE, THE PERIMETERS OF THE SELECTED DISCRETIONAL UNIONS (W) ARE ...

Trunk interface circuit with current compensation

A trunk interface circuit useful for remotely terminating a two-wire central office trunk at a remote telephone facility includes a current compensated miniature transformer. The transformer includes windings for coupling voice band signals between the trunk and the remote telephone facility and a compensating winding for reducing d.c. flux associated with supervisory d.c. current applied to the trunk at the central office. A circuit connected with first and second portions of a first transformer winding provides signal indication of magnitude and either of two possible directions of current flow in the first winding. A bidirectional current regulation circuit conducts a compensating current in either of two directions in the compensating winding. The compensating current is regulated in accordance with the signal indication from the circuit connected with the first winding to reduce the d.c. flux in the transformer. The signal indication is also used by a supervisory signal detector to couple supervisory information to the remote telephone facility.

INTERMITTING SYSTEM BETWEEN PERIFER CIRCUITS

REMOTE COMMUNICATION SYSTEM

General purpose data control system.

Système de commande de données ou d'information à usage général (30-64) particulièrement approprié pour des communications radio à unités multiples (60-64), permettant d'obtenir une amélioration fiable des systèmes téléphoniques vocaux normaux. Le système présente une capacité d'adressage (Fig. 2, bits 0-15), ainsi qu'un transfert de données (Fig. 3) et utilise un protocole d'établissement de liaisons et de retransmission pour accroître la flexibilité et la fiabilité. Le système utilise des paquets de signalisation de longueur fixe (Figs. 2 et 3) avec codage de correction d'erreur, pour permettre le transfert des données, l'identification et la commande de l'émetteur et le contrôle de l'état. General purpose data or information control system (30-64) particularly suitable for multi-unit radio communications (60-64), providing a reliable improvement to normal voice telephone systems. The system has addressing capability (Fig. 2, bits 0-15), as well as data transfer (Fig. 3) and uses a link establishment and retransmission protocol to increase flexibility and reliability . The system uses fixed length signaling packets (Figs. 2 and 3) with error correction coding, to allow data transfer, identification and control of the transmitter and status monitoring.

Integrated telecommunication system with improved digital voice response

L'invention concerne un système de télécommunications intégré permettant de répondre à des lignes téléphoniques multiples et de les traiter, comportant une pluralité de circuits d'interface (10-1 - 10-N) pouvant chacun commander la connexion physique à une pluralité de canaux de lignes téléphoniques et les communications dans un groupe de canaux (T1) de lignes téléphoniques. Chaque circuit d'interface comprend un microprocesseur rapide ainsi qu'une première mémoire correpondante de données. Un premier système (12) de bus relie les circuits d'interface à des circuits (13-1 - 13-N) de traitement de signaux comprenant chacun un commutateur d'intersection ainsi qu'un microprocesseur rapide analysant des signaux entrants et comprimant leurs données, une seconde mémoire de données correspondante, et un ou plusieurs circuits à fonction de télécommunication commandés par les éléments précités. Un système (11) multi-bus relie les processeurs d'interface aux circuits de traitement de signaux ainsi qu'à un processeur de commande de système principal et à une troisième mémoire de données. Les demandes de traitement rapide de chaque groupe de lignes téléphoniques sont exécutées par le processeur d'interface respectif et un microprocesseur de signaux numériques, et le processeur de commande de système principal commande sélectivement le stockage de données dans les première, seconde et troisième mémoires, ainsi que les fonctions d'intercommunication entre les circuits d'interface et les circuits de traitement de signaux ainsi que des circuits de fonction qu'ils commandent. An integrated telecommunications system for answering and processing multiple telephone lines includes a plurality of interface circuits (10-1 - 10-N) each capable of controlling the physical connection to a plurality of channels of telephone lines and communications in a group of channels (T1) of telephone lines. Each interface circuit includes a fast ...

MODULAR EXTENSION DIGITAL CONNECTION NETWORK

Conference communication