Optical scanning method and apparatus

Details Optical scanning method and apparatus Optical scanning method and apparatus

1984-04-09

1986-02-04

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

346 76L, 346160, 350 69, 350486, 358208, 358300, H04N 129, H04N 308

Patent

active

045689822

ABSTRACT:
Disclosed is a high resolution optical scanning method and apparatus. Light from a source, such as a laser, is focused onto a flat, rotating mirror. The reflected light is made incident upon a stationary elliptical mirror such that the real or virtual source is at one focus of the ellipse and the points on the line to be scanned are at the other focus along the lateral dimension of the mirror. A large useful angle of rotation is thereby achieved for each line scan.

REFERENCES:
patent: 3561846 (1971-02-01), Kingsland
patent: 3835249 (1974-09-01), Dattilo et al.
patent: 3898627 (1975-08-01), Hooker et al.
patent: 3922059 (1975-11-01), Noguchi
patent: 4080634 (1978-03-01), Schreiber et al.
IEEE: Proceedings of 1979 National Aerospace and Electronics Conference, Dayton, Ohio, USA, May 15-17, 1979, pp. 185-190, Peterson, Robert K., "Performance Improvements in Laser Beam Recorders".

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