US PATENT SUBCLASS 382 / 211
.~.~.~ With electrically controlled light modulator or filter

Current as of: June, 1999
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382 /   HD   IMAGE ANALYSIS

181  DF  PATTERN RECOGNITION {8}
209  DF  .~ Template matching (e.g., specific devices that determine the best match) {5}
210  DF  .~.~ Spatial filtering (e.g., holography) {1}
211.~.~.~ With electrically controlled light modulator or filter

DEFINITION

Classification: 382/211

With electrically controlled light modulator or filter:

(under subclass 210) Subject matter wherein the spatial filtering unit comprises an electrically, or electronically controllable light modulator to impart an amplitude or phase modulation onto light passing through or reflected by the modulator.

SEE OR SEARCH CLASS

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

237+, for optical modulators.