US PATENT SUBCLASS 359 / 289
.~.~.~.~ Amplitude modulation

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
288  DF  .~.~.~ Thermo-optic {1}
289.~.~.~.~ Amplitude modulation

DEFINITION

Classification: 359/289

Amplitude modulation:

(under subclass 288) 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:

276+, for electro-optic amplitude modulation.

284, for magneto-optic amplitude modulation.

286, for acousto-optic amplitude modulation.