Environmental condition detector transmitter interface
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United States of America Patent
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-
Jun 22, 1999
Grant Date -
N/A
app pub date -
Feb 26, 1998
filing date -
Apr 10, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A transmitter interface board for integration with a conventional environmental condition detector (such as a smoke detector, carbon monoxide detector etc.), for transmitting information on the operating status of the detector to a remotely located monitoring facility. The transmitter interface is connected to a detector circuit in the condition detector in a manner such that the interface can detect alarm pulses emitted from the detector. Based on the number of alarm pulses emitted in a pre-defined interval the transmitter interface is able to determine the operating status of the detector. The operating status information is then be sent by a transmitter to the central monitoring facility.
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