US PATENT SUBCLASS 340 / 516
.~.~.~ Automatic (e.g., periodic, start-up)

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

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
501  DF  .~ With particular system function (e.g., temperature compensation, calibration) {8}
514  DF  .~.~ Testing {2}
516.~.~.~ Automatic (e.g., periodic, start-up)

DEFINITION

Classification: 340/516

Automatic (e.g., periodic, start-up):

(under subclass 514) Subject matter where the test is invariably performed at periodic intervals, or as a function of the energization or deenergization of the primary alarm system.