US PATENT SUBCLASS 359 / 243
.~.~.~.~ Bistable device

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

237  DF  OPTICAL MODULATOR {3}
238  DF  .~ Light wave temporal modulation (e.g., frequency, amplitude, etc.) {3}
240  DF  .~.~ Changing bulk optical parameter {5}
241  DF  .~.~.~ By actinic radiation (e.g., photochromic) {3}
243.~.~.~.~ Bistable device

DEFINITION

Classification: 359/243

Bistable device:

(under subclass 241) Subject matter wherein an optical device has two distinct, stable output states which toggle between one another by a single application of actinic radiation.