US PATENT SUBCLASS 73 / 35.05
.~.~ Automatic gain control or feedback control


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

Internet Version by PATENTEC © 1999      Terms of Use



73 /   HD   MEASURING AND TESTING

35.01  DF  ENGINE DETONATION (E.G., KNOCK) {4}
35.03  DF  .~ Combustion signal compared to reference signal varied by a condition of the engine {2}
35.05.~.~ Automatic gain control or feedback control


DEFINITION

Classification: 73/35.05

Automatic gain control or feedback control:

(under subclass 35.03) Subject matter including either (a) an amplifier having a gain controlled by some condition of the engine or (b) a circuit arrangement comprising several stages including an earlier stage and a later stage wherein the later stage produces an output signal which is fed to the earlier stage of the arrangement for control purposes.