Video telephone

Details Video telephone Video telephone

1992-07-24

1995-03-21

Kuntz, Curtis

Television

Two-way video and voice communication

User positioning

348 13, 348 16, 379100, H04N 714, H04M 1100

Patent

active

054000688

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 an 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: 5077784 (1991-12-01), Fujita et al.
Review of the Electrical Communication Laboratories, "Video Communication Terminals for Broadband Switching Network Services" 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.

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