Photo controlled stereoscopic television system

Details Photo controlled stereoscopic television system Photo controlled stereoscopic television system

1979-05-02

1981-08-25

Orsino, Jr., Joseph A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 954

Patent

active

042862868

ABSTRACT:
A three-dimension or stereo television viewing system is disclosed which multiplexes alternate left-right image presentations from two television cameras which are separated horizontally and aimed so that their optical axes intersect. One field of the standard interlace frame is selected from the left-hand camera and multiplexed but the alternate field from the right-hand camera with the multiplexed video frame being displayed on the standard television monitor. An electrically controlled viewer is provided for each user which employs electro-optic shutter lenses which are caused to switched in synchronisims with the alternating television fields. Direct connection between the viewers and the rest of the system is eliminated by the provision of a photoemitting and photodetection system in which coded pulses from the photoemitters are utilized by the photo detectors to operate the lenses of the stereo viewers in synchronism with the TV fields. Provision is made for the condition when no photo signal is received such that the lenses are in the open or transparent state.

REFERENCES:
patent: 2516718 (1950-07-01), Oriol
patent: 3621127 (1971-04-01), Hope
patent: 3737567 (1973-06-01), Kratomi
patent: 3903358 (1975-09-01), Roese
patent: 4021846 (1977-05-01), Roese
patent: 4145713 (1979-03-01), White
patent: 4153334 (1979-05-01), Kato et al.
Soltoff-Television Applications of PLZT Ceramics-Internat. Broadcast Engineer, vol. 7, #137-138, pp. 18-21, Jun.-Jul. 1976.

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