US PATENT SUBCLASS 73 / 35.04-- .~.~ Including calculation means

US PATENT SUBCLASS 73 / 35.04
.~.~ Including calculation means

Current as of: June, 1999
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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}
35.04		.~.~ Including calculation means

DEFINITION

Classification: 73/35.04

Including calculation means:

(under subclass 35.03) Subject matter comprising an element for performing a mathematical computation utilizing the reference signal.

SEE OR SEARCH CLASS

701, Data Processing: Vehicles, Navigation, and Relative Location,

111, for application of an electrical computer or data processing to determine a vehicle engine knock wherein computer detail or data processing detail is recited and wherein no more than a nominally recited sensor is claimed.