US PATENT SUBCLASS 340 / 825.37
.~.~ Additional to other selective control

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

825  DF  SELECTIVE {23}
825.36  DF  .~ Having indication or alarm (e.g., location indication) {4}
825.37.~.~ Additional to other selective control

DEFINITION

Classification: 340/825.37

Additional to other selective control:

(under subclass 825.36) Subject matter wherein another control function is performed in addition to the alarm or indication.

SEE OR SEARCH THIS CLASS, SUBCLASS:

825.32, when the other control function is an access control function operated alternatively to the indication.