US PATENT SUBCLASS 359 / 276
.~.~.~.~ Amplitude modulation

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}
245  DF  .~.~.~ Electro-optic {11}
276.~.~.~.~ Amplitude modulation {1}
277  DF  .~.~.~.~.~> Within display element

DEFINITION

Classification: 359/276

Amplitude modulation:

(under subclass 245) Subject matter wherein the amplitude of a constant frequency optical wave varies in synchronization with the amplitude of the applied signal (i.e., modulating signal).

SEE OR SEARCH THIS CLASS, SUBCLASS:

284, for magneto-optic amplitude modulation.

286, for acousto-optic amplitude modulation.

289, for thermal-optic amplitude modulation.

SEE OR SEARCH CLASS

345, Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems, 48+, and 84+ for selective electrical control of displays having light-controlling display elements.