Video telephone
First Claim
1. A video telephone (TEL) for interactive video service between the video telephone and a video server (VOD) for receiving selected video signals transmitted from the video server (VOD), said video telephone (TEL) comprising:
- means for establishing a switched connection to the video server (VOD) via a digital network, said switched connection containing a first channel to transmit picture and a second channel to transmit sound associated with said pictures;
means for receiving and displaying a menu of different video signals available from the video server;
means for selecting from said displayed menu a desired one of said different video signals and transmitting said video signal selection to the video server;
means for receiving in real time said selected one of said different video signals; and
means for maintaining or releasing the switched connection between the video telephone and the video server.
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Accused Products
Abstract
A video telephone (TEL) for use in an interactive video service is disclosed to establish a switched connection to a video server (VOD) to receive video signals corresponding to selections chosen by a user. In a further aspect, the video telephone (TEL) includes a card slot and chip card reader to activate the TEL by reading the VOD call number from the card data. The TEL automatically dials the VOD to establish the switched connection via the digital radio network GSM and/or the integrated services digital network ISDN.
59 Citations
13 Claims
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1. A video telephone (TEL) for interactive video service between the video telephone and a video server (VOD) for receiving selected video signals transmitted from the video server (VOD), said video telephone (TEL) comprising:
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means for establishing a switched connection to the video server (VOD) via a digital network, said switched connection containing a first channel to transmit picture and a second channel to transmit sound associated with said pictures;
means for receiving and displaying a menu of different video signals available from the video server;
means for selecting from said displayed menu a desired one of said different video signals and transmitting said video signal selection to the video server;
means for receiving in real time said selected one of said different video signals; and
means for maintaining or releasing the switched connection between the video telephone and the video server. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. In a service for transmitting a video film having a video server (VOD) including a transmitting unit (SEN), a receiving unit (EMP), a control unit (CTRL), and a memory (MEMO) for storing video signals, wherein the video server (VOD) is callable to establish a switched connection from an integrated services digital network (ISDN) for transmitting selected video signals to a video telephone (TEL), said video telephone (TEL) comprising:
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a chip card-reading unit and a slot for receiving a chip card (CARD) and means for locking the video telephone when no chip card (CARD) is inserted in the slot and for unlocking the video telephone when a chip card (CARD) with a code dependent on the video server (VOD) is inserted into the chip card-reading unit, and means for establishing a switched connection to the video server (VOD) via the integrated services digital network (ISDN) including autodialing means for dialing the call number of the video server (VOD) wherein the call number of a video server is contained in the code dependent on the video server and is entered via the card-reading unit whereby a switched connection with the video server (VOD) is established.
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13. In a service for transmitting a video film having a video server (VOD) including a transmitting unit (SEN), a receiving unit (EMP), a control unit (CTRL), and a memory (MEMO) for storing video signals, wherein the video server (VOD) is callable to establish a switched connection from an integrated services digital network (ISDN) and the digital radio network GSM cellular mobile radio network for transmitting selected video signals to a video telephone (TEL), wherein the digital radio network GSM further comprises a base station (BTS), a base station controller (BSC) and a mobile switching center (MSC), wherein the base station (BTS) is connected to the integrated services digital network (ISDN) via the base station controller (BSC) and the mobile switching center (MSC), and wherein the video telephone (TEL) is located in a moving object (ZUG) containing a unit (UNIT) for receiving and converting radio signals transmitted from the base station (BTS) into signals capable of being processed by the video telephone (TEL) and for converting signals from the video telephone into radio signals conforming to the GSM standard, said video telephone (TEL) comprising:
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means for receiving converted radio signals from the unit (UNIT) and means for sending signals to the unit (UNIT) for conversion to the GSM standard;
a chip card-reading unit and a slot for receiving a chip card (CARD) and means for locking the video telephone when no chip card (CARD) is inserted in the slot and for unlocking the video telephone when a chip card (CARD) with a code dependent on the video server (VOD) is inserted into the chip card-reading unit, and means for establishing a switched connection to the video server (VOD) via the integrated services digital network (ISDN) including autodialing means for dialing the call number of the video server (VOD) wherein the call number of a video server is contained in the code dependent on the video server and is entered via the card-reading unit whereby a switched connection with the video server (VOD) is established and maintained as the video telephone moves relative to the location of the video server.
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Specification