US PATENT SUBCLASS 347 / 239
.~.~.~ Specific light modulator


Current as of: June, 1999
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347 /   HD   INCREMENTAL PRINTING OF SYMBOLIC INFORMATION

224  DF  LIGHT OR BEAM MARKING APPARATUS OR PROCESSES {2}
225  DF  .~ Scan of light {12}
233  DF  .~.~ Plural beam scan {9}
239.~.~.~ Specific light modulator


DEFINITION

Classification: 347/239

Specific light modulator:

(under subclass 233) Subject matter wherein individual recording energy of the writing beams is varied due to an actuation of a transducer in accordance with the electrical information signal thereby creating modulated writing beams.

(1) Note. The transducer may be acousto-optic, electro-optic, Bragg-cell, light valve, spatial light modulator, TIR device (total internal reflection device), magneto-optic, deformable mirror.

SEE OR SEARCH CLASS

359, Optics: Systems (Including Communication) and Elements,

237+, for particular optical modulator structure.