Conference video system

Details Conference video system Conference video system

1979-11-05

1981-04-28

Griffin, Robert L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358206, 358 85, 340694, 179 1CN, H04N 718

Patent

active

042649285

ABSTRACT:
The system includes a plurality of conference seats, at each of which is a microphone. The system also includes a TV camera and a pivotable mirror which directs light from the conference seats to the TV camera. Each of the microphones is coupled through circuit elements to a servomotor(s) which positions the mirror to focus on the speaker and aims the camera's field of vision toward active audio. The electronic portion of the system utilizes the time two adjacent microphones receive a speaker's voice to generate a signal used to drive the servomotor to perform its mirror-positioning function.

REFERENCES:
patent: 3488439 (1970-01-01), Laird et al.
patent: 4024573 (1977-05-01), Carmes
patent: 4058831 (1977-11-01), Smith
patent: 4067015 (1978-01-01), Mogavero et al.
patent: 4184048 (1980-01-01), Alcaide

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