Television – Two-way video and voice communication – User positioning
Patent
1994-12-22
1996-12-24
Chan, Jason
Television
Two-way video and voice communication
User positioning
348 17, 348 16, 379 93, 379100, H04N 714, H04M 1100
Patent
active
055877354
ABSTRACT:
A video telephone to be connected to the ISDN is a unitary structure comprising a communication controller for controlling communication of digital data, such as voice signal, image signal and facsimile/camera control signal, a dial or key panel unit, a telephone controller for controlling the functions of a handset and the key panel unit, a camera for inputting an image, a display for outputting an image, and image CODEC for coding an input image signal and decoding a received image signal. The camera is tiltable and detachable.
REFERENCES:
patent: 4888795 (1989-12-01), Ando et al.
patent: 4916735 (1990-04-01), Iida et al.
patent: 4979028 (1990-12-01), Minematsu et al.
patent: 4980761 (1990-12-01), Natori
patent: 5003532 (1991-03-01), Ashida et al.
patent: 5077784 (1991-12-01), Fujita et al.
patent: 5392284 (1995-02-01), Sugiyama
patent: 5396269 (1995-03-01), Gotoh et al.
patent: 5400068 (1995-03-01), Ishida et al.
Review of the Electrical Communication Laboratories, "Video Communication Terminals for Broadband Switching Network Service" T. Hisaki, et al., 1985, No. 4, Tokyo, Japan.
Telematica, "Endgerate Fur Die Bildkummunikation Im ISDN", W. Speltacker, Nov. 28, 1989.
The Collection of Lectures and papers (vol. 7) D-419, D-420, D-421, D-422, D-423 and D424 presented at the National Spring Meeting of the Japanese Electric Information Communication Society.
The Article "For Videophones, Light at the End of a Very Long Tunnel" by Data Communication, Dec. 1991, p. 116.
Goto Hiroshi
Ishida Kiyoshi
Chan Jason
Hitachi , Ltd.
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