TV telephone system which sends and receives image data to anoth

Details TV telephone system which sends and receives image data to anoth TV telephone system which sends and receives image data to anoth

1994-04-25

1996-06-18

Chan, Wing F.

Television

Two-way video and voice communication

User positioning

379 96, H04N 710

Patent

active

055282857

ABSTRACT:
Disclosed is a TV telephone system that comprises a TV telephone apparatus, which includes image pickup means, display means and an input/output port to connect to another apparatus, and a station, which includes a modulation/demodulation section to connect to a telephone line and an input/output port to connect to the TV telephone apparatus, whereby when the TV telephone apparatus is connected to the station, an image is exchanged therebetween over a telephone line using the image pickup means and display means of the TV telephone apparatus.

REFERENCES:
patent: 4336524 (1982-06-01), Levine
patent: 4387271 (1983-06-01), Artom
patent: 4560833 (1985-12-01), Weber et al.
patent: 4928300 (1990-05-01), Ogawa et al.
patent: 5189691 (1993-02-01), Dunlap
C. Colby, "Build this video telephone", Radio Electronics, Mar. 1991, pp. 33-37, 42.
Communications Report, Nikkei Communications, Jan. 12, 1987, pp. 48-50.
Net Nachrichten Elektronik Unk Telematik, vol. 44, No. 3, Mar. 1990, Heidelberg, DE, pp. 80-81, XP000102792; Michael Winter, "Kompreimierung Ohne Kompromisse" (The Whole Document).
I.E.E.E. Journal On Selected Areas In Communications, vol. SAC-4, No. 4, Jul. 1986, New York, NY, pp. 633-639, *FIG. 7* XP000313573; Hans-Jurgen Mosel "Home Communication Systems".
I.E.E.E. Global Telecommunications Conference & Exhibition, vol. 1, 28 Nov. 1988, Hollywood, Florida, pp. 32-36, XP000044908; Komiya Et Al, "An Approach To The Multifunction Graphic Terminal For The ISDN Environment" *FIG. 6*.

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