Optical shutter device

Details Optical shutter device Optical shutter device

1991-04-03

1994-06-28

Ben, Loha

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359245, 359252, 359276, 359322, 345214, G02F 103, G02F 101, G09G 300

Patent

active

053252284

ABSTRACT:
An optical shutter device for use, e.g., in an optical printer includes a plurality of electrooptic chips each having a plurality of very small segments for optical modulation. The optical shutter device has a voltage adjusting circuit which individually supplies the driving voltage to the chips depending on the light transmitting characteristics intrinsic to the chips. Thus, even when the chips have different light transmitting characteristics, the image produced by the chips will have a uniform intensity.

REFERENCES:
patent: 2909973 (1959-10-01), Koelsch, Jr. et al.
patent: 3780296 (1973-12-01), Waksberg et al.
patent: 5024511 (1991-06-01), Matsubara et al.

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