Variable spot size scanning system

Details Variable spot size scanning system Variable spot size scanning system

G - Physics

02

B

314/43, 88/96.8

G02B 5/09 (2006.01) H04N 1/036 (2006.01) H04N 3/08 (2006.01)

Patent

CA 1043601

VARIABLE SPOT SIZE SCANNING SYSTEM ABSTRACT OF THE DISCLOSURE A flying spot scanning system for scanning a laser beam to a photoreceptor is provided wherein the size of the spot may be varied for gray scale rendition. The tangential width of the reflecting surface or surfaces of a flying spot scanner varies along a sagittal axis so that gray scale imaging can be achieved by deflecting a video modulated light beam sagittally of the scanner in accordance with any gray scale content of the video.

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