Picture multiplex analysis hybrid device

Details Picture multiplex analysis hybrid device Picture multiplex analysis hybrid device

1985-07-12

1987-10-27

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358133, 358167, 358284, H04N 140

Patent

active

047033614

ABSTRACT:
A picture multiplex analysis hybrid device comprising a device for forming the picture of an object in a given plane, a plurality of photodetectors forming a mosaic thereof, and a plurality of optical devices sending the light from a sector of the picture in its plane to a respective photodetector. The number of optical devices is equal to that of the photodetectors, wherein the light beams received in the elementary areas forming a picture sector are modulated by a moving encoding grid comprising opaque portions corresponding to a binary 0 and transparent portions corresponding to a binary 1, the grid modulating each beam by a binary, periodic and pseudo-random function, the beams emanating from the elementary areas being modulated by identical parts of the grid.

REFERENCES:
patent: 4482923 (1984-11-01), Fischer et al.
patent: 4516178 (1985-05-01), Jung et al.
Nouvelle Revue d'Optique, vol. 7, No. 4, pp. 221-234, Jul./Aug. 1976.

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