Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1995-10-18
1997-06-24
Hofsass, Jeffery
Communications: electrical
Condition responsive indicating system
Specific condition
340573, 340539, 150102, 150134, G08B 1314
Patent
active
056420951
ABSTRACT:
An alarm system is provided for a card shaped object comprising a holder for the card shaped object and a detecting apparatus for detecting the absence of the card shaped object from the holder and a device transmitter. The transmitter device sends a signal to a component remote from the holder and a transmitter device. The transmitter device sends a signal to a component remote from the holder which contains a receiver of the signal and an adjustable alarm. A resettable timer is positioned either in the holder or in the component remote from the holder so that, after a set time period, is activated in response to the signal.
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Cook Paul J.
Hofsass Jeffery
Lee Benjamin C.
Wellesley Research Associates, Inc.
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