US PATENT SUBCLASS 73 / 35.07
.~ Specific type of detonation sensor


Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

35.01  DF  ENGINE DETONATION (E.G., KNOCK) {4}
35.07.~ Specific type of detonation sensor {3}
35.08  DF  .~.~> Ionization
35.09  DF  .~.~> Vibration {1}
35.12  DF  .~.~> Pressure {1}


DEFINITION

Classification: 73/35.07

Specific type of detonation sensor:

(under subclass 35.01) Subject matter comprising a specified sensing means whose characteristic changes in response to detecting detonation and which is intended to produce a signal in response to the change in the characteristic.

SEE OR SEARCH THIS CLASS, SUBCLASS:

866.5, for a probe or a probe mounting, per se.

SEE OR SEARCH CLASS

204, Chemistry: Electrical and Wave Energy, appropriate subclass for an electrochemical sensor, per se.

250, Radiant Energy,

216+, for a photocell, per se.

310, Electrical Generator or Motor Structure, 328+, for a condition responsive piezoelectric sensor, per se.

336, Inductor Devices, appropriate subclass for a condition responsive inductive sensor, per se.

338, Electrical Resistors, appropriate subclass for a condition responsive resistor, per se.

359, Optics: Systems (Including Communication) and Elements, appropriate subclass for an optical element, per se.

361, Electricity: Electrical Systems and Devices, appropriate subclass for a condition responsive capacitor, per se.