US PATENT SUBCLASS 340 / 669
.~.~ Acceleration

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
540  DF  .~ Specific condition {18}
669.~.~ Acceleration

DEFINITION

Classification: 340/669

Acceleration:

(under subclass 540) Subject matter wherein the sensed condition is a change in velocity with respect to time.

SEE OR SEARCH THIS CLASS, SUBCLASS:

429, 436 and 463, for acceleration responsive signalling systems in vehicles.

SEE OR SEARCH CLASS

73, Measuring and Testing,

488, for measurement of acceleration.

200, Electricity: Circuit Makers and Breakers,

61.45+, for acceleration responsive switches.

324, Electricity: Measuring and Testing,

162, for acceleration measuring means combined with electrical speed measurement.