US PATENT SUBCLASS 340 / 535
.~.~.~.~ Mechanical code means (e.g., coded disc)

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

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
531  DF  .~ With particular coupling link {3}
533  DF  .~.~ Wired {4}
534  DF  .~.~.~ Coded message {1}
535.~.~.~.~ Mechanical code means (e.g., coded disc)

DEFINITION

Classification: 340/535

Mechanical code means (e.g., coded disc):

(under subclass 534) Subject matter having a switching device actuated by a mechanical actuator (e.g., cam or disc) upon an occurrence of the alarm condition.

SEE OR SEARCH THIS CLASS, SUBCLASS:

287+, for manually actuated signal box-type fire alarm boxes.

SEE OR SEARCH CLASS

178, Telegraphy,

2, and 79 for code transmitters in telegraph systems.