US PATENT SUBCLASS 340 / 691.1
.~ Specified indicator structure

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

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
691.1.~ Specified indicator structure {7}
691.2  DF  .~.~> Simulated effect
691.3  DF  .~.~> Degree or urgency
691.4  DF  .~.~> Plural {1}
691.6  DF  .~.~> Information display
692  DF  .~.~> Sound reproducer
691.7  DF  .~.~> Mechanical
691.8  DF  .~.~> Control circuit detail

DEFINITION

Classification: 340/691.1

Specified indicator structure:

(under subclass 500) Subject matter wherein the means translating electrical signals into humanly perceptible signals are particularly described.

(1) Note. Mere inclusion by name only is insufficient for classification herein; detailed structure or circuitry is necessary.

(2) Note. This subclass includes specific circuitry which provides the desired indication effects (e.g., pulsed or steady indication, bright or dim) as well as structure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

384.1+, 407.1+, 815.4+, for audible, tactual, and visual indicators, respectively.