US PATENT SUBCLASS 340 / 686.1
.~.~ Position responsive


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}
686.1.~.~ Position responsive {9}
687  DF  .~.~.~> Connected or disconnected
688  DF  .~.~.~> Meter dial
689  DF  .~.~.~> Tilt
690  DF  .~.~.~> Geophysical (e.g., fault slip)
686.2  DF  .~.~.~> Alignment or misalignment
686.3  DF  .~.~.~> Shaft or rotary element
686.4  DF  .~.~.~> One article inserted into another
686.5  DF  .~.~.~> Workpiece
686.6  DF  .~.~.~> Proximity or distance


DEFINITION

Classification: 340/686.1

Position responsive:

(under subclass 540) Subject matter responsive to a standing point of one object relative to another.

SEE OR SEARCH CLASS

137, Fluid Handling,

553+, for a position or extent of motion indicator or alarm combined with a fluid handling means such as a valve.

219, Electric Heating,

121.3, and 121.32 for nonalarm position responsive in metal heating by electron beam.

364, Electrical Computer and Data Processing Systems,

474.28+, for computerized control of digital positioning of manufactured product or operation.