Laser exposure apparatus

Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium

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Details

369 44, 350356, G02F 111, G02F 103, G11B 700

Patent

active

048100684

ABSTRACT:
A laser exposure system for use in scanning and recording images, the system comprising subdividing the laser beam from the laser source into several parallel traces of laser beams; modulating the laser beams individually in response to the image signals by means of a multi-channel optical modulator; directing the modulated laser beams through a first mirror and a second mirror so as to enable the laser beams from the second mirror to be in parallel with the reference plane with respect to the sub-scanning direction; varying the distance between the modulator and the first mirror; and adjusting the angles of the first and second mirrors to the reference plane so that a possible decline of the laser beams in the subscanning direction is compensated.

REFERENCES:
patent: 4093964 (1978-06-01), Aughton
patent: 4413270 (1983-11-01), Sprague
patent: 4459690 (1984-07-01), Corsover et al.

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