Imaging apparatus

Details Imaging apparatus Imaging apparatus

1987-07-30

1988-03-15

Shaw, Clifford C.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358293, 350 9613, H04N 110

Patent

active

047316705

ABSTRACT:
Imaging apparatus is disclosed for exposing a recording medium to produce an image in accordance with information contained in an electrical signal. The apparatus comprises a light source, optical means for imaging light onto the recording medium, and a light-valve array to control the light reaching selected areas of the recording medium. The light valve-array is comprised of a plurality of electrostatically deflectable elements each of which contains a waveguide for transmitting light from the source to a receptor waveguide. Light from the receptor waveguides is imaged onto the recording medium. In order to provide for gray scale in the image, a control means is provided to precisely control the amount of deflection of the elements and thereby control the amount of light transmitted for a given pixel.

REFERENCES:
patent: 3320617 (1967-05-01), Hawkins et al.
patent: 4162118 (1979-07-01), Conwell
patent: 4356730 (1982-11-01), Cade
patent: 4378568 (1983-03-01), Mir
patent: 4454547 (1984-06-01), Yip et al.

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