Methods of and apparatus for the generation of split-screen vide

Details Methods of and apparatus for the generation of split-screen vide Methods of and apparatus for the generation of split-screen vide

1986-11-24

1990-06-05

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 85, 379 53, H04N 5262

Patent

active

049318721

ABSTRACT:
Split-screen video displays are presented at a plurality of different sites for a video teleconference. Video cameras are focused respectively upon the conferees directly, and centrally. The displays at each site show the conferees at remote sites. The positioning of the conferees at different sites on a display is achieved electronically, as by delays of a half a line and/or delays of half a field, rather than by panning or tilting of a camera.

REFERENCES:
patent: 3207842 (1965-09-01), Flagle
patent: 3437873 (1969-04-01), Eggert
patent: 3736377 (1973-05-01), Warren Jr.
patent: 4400724 (1983-08-01), Fields
patent: 4494144 (1985-01-01), Brown
Introducing Luma, Telephony, Jun. 9, 1986, pp. 42-43.

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