Projection lens

A projection lens configured to form an image from an image source which is disposed at an object side is provided. The projection lens includes a lens group and an aspheric mirror. The lens group has a first optical axis, and an intermediate image is formed by the lens group from the image source. The aspheric mirror has a second optical axis and an aspheric surface. The lens group is disposed between the object side and the aspheric mirror. The aspheric surface faces the lens group and reflects the intermediate image to form the image at an image side. The first optical axis is not coaxial with the second optical axis, and an offset of the image relative to the first optical axis is larger than or equal to 100%.

Projection system, projection device and display rack

A projection device is disposable into a display platform of a display rack having a plurality of display platforms, for directly projecting an image frame onto a projection screen of the display platform. The image frame projected to the projection screen is not reflected by any reflective mirror arranged between the projection device and the projection screen. A length of the image frame in a first direction is equal to at least ten times a length of the image frame in a second direction. Since no reflective mirror is arranged between the projection device and the projection screen, the projection device is more easily applicable to display racks.

Projection apparatus and projection lens thereof capable of reducing focal length and aberration

A projection lens including a reflective unit and a refractive unit is provided. The projection lens is disposed between an object side and an image side. The reflective unit is disposed between the object side and the image side and has a negative refractive power. The refractive unit is disposed between the object side and the reflective unit and has a positive refractive power. The refractive unit includes a first lens group and a second lens group. The first lens group is disposed between the object side and the reflective unit and includes at least one cemented lens and an aperture stop. The at least one cemented lens is disposed between the object side and the aperture stop. The second lens group is disposed between the first lens group and the reflective unit and includes at least one aspheric lens. A projection apparatus including the projection lens is also provided.

Base station, femtocell and handover monitoring method thereof

A base station, a femtocell, and a handover monitoring method thereof are provided. A wireless network system comprises a server, a mobile device, the base station, and the femtocell. The base station transmits a monitoring signal to the femtocell after it obtains a piece of information corresponding to the mobile device from the server. The femtocell keeps detecting whether a signal is transmitted by the mobile device after it receives the monitoring signal. The femtocell transmits a response signal corresponding to the monitoring signal to the base station after it detects the signal transmitted by the mobile device. The base station transmits a handover signal to the mobile device after it receives the response signal so that the mobile device handovers from the base station to the femtocell. A handover monitoring from the base station to the femtocell for the mobile device is provided by the hand monitoring method.

FEMTOCELL, FEMTOCELL GATEWAY AND ACCESS REJECTION METHOD THEREOF

A femtocell, a femtocell gateway and an access rejection method thereof are provided. A wireless network system comprises a wireless device, a plurality of the femtocells, the femtocell gateway and a core network server. The wireless device has a Subscriber Identification and the core network server stores a Closed Subscribers Group Identification of the femtocells. The femtocell gateway receives an access rejection message corresponding to the Subscriber Identification of the wireless device from the core network server, and transmits the access rejection message to the femtocells. Each femtocell records the Subscriber Identification in a rejection list thereof, and it is capable of adding/deleting Subscriber Identifications in its rejection list. When each femtocell receives the Subscriber 1. A femtocell , a wireless network system comprising a wireless device , a femtocell gateway , a core network server and the femtocell , the wireless device having a subscriber identification code , the core network server storing a closed subscribers group identification code of the femtocell , the femtocell comprising:a wireless network interface, being configured to build a first wireless connection with the wireless device, and to receive the subscriber identification code from the wireless device via the first wireless connection;a wired network interface, being configured to build a wired connection with the femtocell gateway, to transmit the subscriber identification code to the femtocell gateway via the wired connection, to receive a subscriber identification validation message from the femtocell gateway via the wired connection, and to receive a subscriber access rejection message coming from the core network server from the femtocell gateway via the wired connection;a storage, being configured to store the subscriber identification code in a rejection list; anda processor, being electrically connected to the wireless network interface, the wired network interface and ...

PROJECTION APPARATUS AND PROJECTION LENS THEREOF

A projection lens including a reflective unit and a refractive unit is provided. The projection lens is disposed between an object side and an image side. The reflective unit is disposed between the object side and the image side and has a negative refractive power. The refractive unit is disposed between the object side and the reflective unit and has a positive refractive power. The refractive unit includes a first lens group and a second lens group. The first lens group is disposed between the object side and the reflective unit and includes at least one cemented lens and an aperture stop. The at least one cemented lens is disposed between the object side and the aperture stop. The second lens group is disposed between the first lens group and the reflective unit and includes at least one aspheric lens. A projection apparatus including the projection lens is also provided. 1. A projection apparatus , comprising:a light sourece module, providing an illumination beam; a reflective unit, disposed between the object side and the image side and having a negative refractive power; and', a first lens group, disposed between the object side and the reflective unit and comprising at least one cemented lens and an aperture stop, wherein the at least one cemented lens is disposed between the object side and the aperture stop; and', 'a second lens group, disposed between the first lens group and the reflective unit and comprising at least one aspheric lens; and, 'a refractive unit, disposed between the object side and the reflective unit and having a positive refractive power, and the refractive unit comprising], 'a projection lens, disposed between an object side and an image side, and the projection lens comprisinga light valve module, converting the illumination beam into an image beam, disposed at the object side, and disposed between the light sourece module and the projection lens.2. The projection apparatus as claimed in claim 1 , wherein the refractive unit further ...

PROJECTION APPARATUS AND PROJECTION LENS THEREOF

A projection lens includes a first image system, a second image system, and a concave reflector arranged in order. The first image system and the second image system define an optical axis, and the concave reflector is disposed at a first side of the optical axis. A projection apparatus using the projection lens is also provided, wherein the first image system is disposed between a light valve of the projection apparatus and the second image system, and the light valve is disposed at the first side of the optical axis. 1. A projection apparatus , comprising:a light source configured to provide an illumination beam;a light valve disposed on a transmission path of the illumination beam and adapted to convert the illumination beam into an image beam; anda projection lens disposed on a transmission path of the image beam, the projection lens comprising a first image system, a second image system, and a concave reflector arranged in order, the first image system being disposed between the light valve and the second image system, the first image system and the second image system defining an optical axis, the light valve and the concave reflector being disposed at a first side of the optical axis.2. The projection apparatus according to claim 1 , wherein the image beam from the light valve is formed as a first intermediate image between the first image system and the second image system by the first image system claim 1 , the image beam from the first intermediate image is formed as a second intermediate image between the second image system and the concave reflector by the second image system claim 1 , the first intermediate image is formed at a second side of the optical axis opposite to the first side of the optical axis claim 1 , the second intermediate image is formed at the first side of the optical axis claim 1 , and the image beam from the second intermediate image is reflected by the concave reflector.3. The projection apparatus according to claim 1 , wherein the ...

Projection lens

A projection lens configured to form an image from an image source which is disposed at an object side is provided. The projection lens includes a lens group and an aspheric mirror. The lens group has a first optical axis, and an intermediate image is formed by the lens group from the image source. The aspheric mirror has a second optical axis and an aspheric surface. The lens group is disposed between the object side and the aspheric mirror. The aspheric surface faces the lens group and reflects the intermediate image to form the image at an image side. The first optical axis is not coaxial with the second optical axis, and an offset of the image relative to the first optical axis is larger than or equal to 100%.

BALL MOVEMENT STATE MEASURING SYSTEM AND METHOD THEREOF

In a ball movement state measuring system with a ball, a sensing module, a wireless communication module, a power supply and an induction coil, the speed, rotation speed, rotation axis and trace of the ball at first movement state are calculated based on first accelerated speed and first angular velocity of the ball at first movement state and first movement result is obtained by the processor. The speed, rotation speed, rotation axis and trace of the ball at second movement state are calculated based on speed and rotation axis of the ball at first movement state, second accelerated speed and environment parameter of the ball at second movement state and second movement result is obtained by the processor. The ball is forced by gravity, applied force and air resistance at first movement state, and the ball is forced by gravity, air resistance and centripetal force at second movement state. 1. A ball movement state measuring system , comprising:a ball having an accommodation element and a cover covering the accommodation element;a sensing module comprising an acceleration sensor and an angular velocity sensor, the acceleration sensor being used for detecting an acceleration of the ball, the angular velocity sensor being used for detecting an angular velocity of the ball;a wireless communication module electrically connected to the sensing module and wirelessly transmitting the acceleration and the angular velocity of the ball to an electronic device, wherein the electronic device has a processor and acquires an environment parameter the ball located;a power supply electrically connected to the sensing module and the wireless communication module, and the sensing module, the wireless communication module and the power supply are disposed inside the accommodation element; andan induction coil disposed between the cover and the accommodation element and electrically connected to the power supply,wherein the electronic device wirelessly receives the acceleration and the ...

Ball movement state measuring system and method thereof

In a ball movement state measuring system with a ball, a sensing module, a wireless communication module, a power supply and an induction coil, the speed, rotation speed, rotation axis and trace of the ball at first movement state are calculated based on first accelerated speed and first angular velocity of the ball at first movement state and first movement result is obtained by the processor. The speed, rotation speed, rotation axis and trace of the ball at second movement state are calculated based on speed and rotation axis of the ball at first movement state, second accelerated speed and environment parameter of the ball at second movement state and second movement result is obtained by the processor. The ball is forced by gravity, applied force and air resistance at first movement state, and the ball is forced by gravity, air resistance and centripetal force at second movement state.

PROJECTION DEVICE AND DISPLAY RACK

A projection device is disposable into a display platform of a display rack having a plurality of display platforms, for directly projecting an image frame onto a projection screen of the display platform. The image frame projected to the projection screen is not reflected by any reflective mirror arranged between the projection device and the projection screen. A length of the image frame in a first direction is equal to at least ten times a length of the image frame in a second direction. Since no reflective mirror is arranged between the projection device and the projection screen, the projection device is more easily applicable to display racks. 1. A projection device being disposable into a display platform of a display rack having a plurality of display platforms , and used for directly projecting an image frame onto a projection screen of the display platform , wherein the image frame projected onto the projection screen is not reflected by any reflective mirror arranged between the projection device and the projection screen , and a length of the image frame in a first direction is greater than or equal to ten times a length of the image frame in a second direction.2. The projection device according to claim 1 , further comprising:an illumination system for providing an illumination light beam;a light valve arranged on a transmission path of the illumination light beam, for converting the illumination light beam into an image light beam; anda projection lens arranged on a transmission path of the image light beam for projecting the image light beam onto the projection screen and forming the image frame at the projection screen,wherein the projection lens includes a first lens group arranged along the first direction, a second lens group arranged along a third direction, and a first reflective element arranged between the first lens group and the second lens group, and an optical axis of the first lens group and the first direction include a first angle.311. ...

Headlight

A headlight using an image light source is provided, which includes a laser light source and a wavelength converter. The laser light source includes multiple light-emitting units arranged in an array to provide an image beam. The wavelength converter is arranged downstream of an optical path of the laser light source. The wavelength converter is provided with a light dot matrix with the number of rows and columns greater than or equal to 40×40 to excite a part of the image beam into an excitation beam, and an unexcited part of the image beam is mixed with the excitation beam to generate a white beam.

Ball movement state measuring system and method thereof

In a ball movement state measuring system with a ball, a sensing module, a wireless communication module, a power supply and an induction coil, the speed, rotation speed, rotation axis and trace of the ball at first movement state are calculated based on first accelerated speed and first angular velocity of the ball at first movement state and first movement result is obtained by the processor. The speed, rotation speed, rotation axis and trace of the ball at second movement state are calculated based on speed and rotation axis of the ball at first movement state, second accelerated speed and environment parameter of the ball at second movement state and second movement result is obtained by the processor. The ball is forced by gravity, applied force and air resistance at first movement state, and the ball is forced by gravity, air resistance and centripetal force at second movement state.

Host apparatus, mobile station, serving base station, target base station, and communication method thereof for use in a wireless network

A host apparatus, a mobile station, a serving base station, a target base station, and a communication method thereof for use in a wireless network are provided. The wireless network comprises at least one mobile station, the host apparatus, a serving base station, and a target base station. The at least one mobile station and the host apparatus belongs to a same handover group, and receive a handover request signal from the serving base station. The host apparatus transmits a handover confirmation signal to the serving base station so that the at least one mobile station and the host device of the handover group handover to the target base station. Thereby, the at least one mobile station can be handed over to the target base station without need to transmit the handover confirmation signal, so as to save the bandwidth of the wireless network.

Host-Vorrichtung, Mobilstation, Versorgungsbasisstation, Zielbasisstation und Kommunikationsverfahren für diese zum Verwenden in einem Funknetzwerk

Host-Vorrichtung, Mobilstation, Versorgungsbasisstation, Zielbasisstation und Kommunikationsverfahren für diese zum Verwenden in einem Funknetzwerk, wobei das Funknetzwerk mindestens eine Mobilstation, die Host-Vorrichtung, eine Versorgungsbasisstation und eine Zielbasisstation aufweist. Die mindestens eine mobile Station und die Host-Vorrichtung gehören zu derselben Übergabegruppe und empfangen ein Übergabeanforderungssignal von der Versorgungsbasisstation. Die Host-Vorrichtung überträgt ein Übergabebestätigungssignal an die Versorgungsbasisstation, sodass die mindestens eine Mobilstation und die Host-Vorrichtung der Übergabegruppe an die Zielbasisstation übergeben werden. Dadurch kann die mindestens eine Mobilstation an die Zielbasisstation übergeben werden, ohne dass das Übergabebestätigungssignal übertragen zu werden braucht, sodass Bandbreite für das Funknetzwerk eingespart wird.

Host-Vorrichtung, Mobilstation, Versorgungsbasisstation, Zielbasisstation und Kommunikationsverfahren für diese zum Verwenden in einem Funknetzwerk

Kommunikationsverfahren zum Verwenden in einer Host-Vorrichtung (21), wobei die Host-Vorrichtung (21) Bestandteil eines Funknetzwerk (3) gemäß dem IEEE 802.16e Standard ist, wobei das Funknetzwerk (3) ferner mindestens eine Mobilstation (35, 37, 39), eine Versorgungsbasisstation (31) und eine Zielbasisstation (33) aufweist, wobei die mindestens eine Mobilstation (35, 37, 39) und die Host-Vorrichtung (21) eine Übergabegruppe bilden und die mindestens eine Mobilstation (35, 37, 39) sowie die Host-Vorrichtung (21) jeweils mittels der Versorgungsbasisstation (31) kommunizieren, wobei das Kommunikationsverfahren die Schritte aufweist: Verbinden der mindestens einen Mobilstation (35, 37, 39) und der Host-Vorrichtung (21) mit einer Multicast-Gruppe des Funknetzwerks (3) mittels eines Multicast-Gruppenverbindungsvorgangs (42), nachdem die mindestens eine Mobilstation die Übergabegruppe gebildet hat; Empfangen von Information bezüglich der Zielbasisstation von der Versorgungsbasisstation (S808); Empfangen eines Gruppenübergabe-Anforderungssignals, das über eine Mehrpunktverbindung von der Versorgungsbasisstation (31) gesendet wird (S810); und Übertragen eines Übergabebestätigungssignals an die Versorgungsbasisstation (31) gemäß dem Gruppenübergabe-Anforderungssignal und...

Anchor gateway, communication method and computer program product thereof

Anchor gateway, communication method and non-transitory machine-readable medium thereof

An anchor gateway, a communication method and a tangible machine-readable medium are provided. The anchor gateway is for use in a WiMAX network comprising an authentication gateway and a serving base station (BS). After a mobile station (MS) enters the WiMAX network, the anchor gateway will request the authentication gateway and the serving BS according to an identification of the MS to respectively provide authentication key context and medium access control context. Thereby, the network latency, which is made by the MS in handover, will be reduced effectively.

Anchor gateway, communication method and tangible machine-readable medium thereof

An anchor gateway, a communication method and a tangible machine-readable medium are provided. The anchor gateway is for use in a WiMAX network comprising an authentication gateway and a serving base station (BS). After a mobile station (MS) enters the WiMAX network, the anchor gateway will request the authentication gateway and the serving BS according to an identification of the MS to respectively provide authentication key context and medium access control context. Thereby, the network latency, which is made by the MS in handover, will be reduced effectively.

Femto access point and communication method thereof

A femto access point (FAP) for use in a network system and a communication method for the femto access point are provided. A mobile station is wirelessly connected to the FAP. The FAP comprises a storage unit, a sniffer unit, and a process unit. The sniffer unit sniffs a packet of the mobile station. The process unit retrieves an identity (ID) code of the mobile station from the packet and stores the ID code into the storage unit. The process unit further establishes an uplink local area network (LAN) service flow and a downlink LAN service flow of the mobile station. The uplink LAN service flow and the downlink LAN service flow established by the FAP and the mobile station are used to transfer packets within the LAN.

Femto access point and communication method thereof