US PATENT SUBCLASS 379 / 39
.~ Responsive to sensed nonsystem condition

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

37  DF  EMERGENCY OR ALARM COMMUNICATIONS (E.G., WATCHMAN'S CIRCUIT) {9}
39.~ Responsive to sensed nonsystem condition {5}
40  DF  .~.~> Automatic dialing
41  DF  .~.~> Transmission of recorded audio message
42  DF  .~.~> Plural conditions
43  DF  .~.~> Fire
44  DF  .~.~> Intrusion

DEFINITION

Classification: 379/39

Responsive to sensed nonsystem condition:

(under subclass 37) Subject matter which responds automatically to a condition, external to the telephone system.

SEE OR SEARCH THIS CLASS, SUBCLASS:

106+, for remote condition indication, other than an emergency or alarm condition, over a telephone line.

SEE OR SEARCH CLASS

340, Communications: Electrical,

500+, for a condition responsive alarm system not including telephone apparatus.