US PATENT SUBCLASS 340 / 825.32
.~.~.~ With alarm or indication of improper access

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

825  DF  SELECTIVE {23}
825.3  DF  .~ Intelligence comparison {3}
825.31  DF  .~.~ Authorization control (e.g., entry into an area) {2}
825.32.~.~.~ With alarm or indication of improper access

DEFINITION

Classification: 340/825.32

With alarm or indication of improper access:

(under subclass 825.31) Subject matter which additionally produces a humanly perceptible signal indicative of an access attempt by other than the correct signal.

(1) Note. Included herein are alarms for unsuccessful comparison and tamper indication.

SEE OR SEARCH THIS CLASS, SUBCLASS:

541+, for an intrusion responsive indicator or alarm.