US PATENT SUBCLASS 379 / 7
.~ For detection of eavesdropping device

Current as of: June, 1999
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379 /   HD   TELEPHONIC COMMUNICATIONS

1  DF  DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION MEASUREMENT {12}
7.~ For detection of eavesdropping device

DEFINITION

Classification: 379/7

For detection of eavesdropping device:

(under subclass 1) Subject matter to determine whether an undesired or surreptitious receiving device is connected to telephone equipment.

SEE OR SEARCH THIS CLASS, SUBCLASS:

35, for an eavesdropping device.