Telephonic communications – Emergency or alarm communications – Responsive to sensed nonsystem condition
Patent
1990-03-21
1992-07-14
Brown, Thomas W.
Telephonic communications
Emergency or alarm communications
Responsive to sensed nonsystem condition
379 59, H04M 1104
Patent
active
051310198
ABSTRACT:
A system for interfacing an alarm reporting unit with a cellular radio transceiver so that the data which is produced by the alarm reporting unit is effectively matched to the radio transceiver, irrespective of its initial format, includes circuitry for matching the format of the alarm reporting unit to that of the cellular radio transceiver, and circuitry for matching the format of the cellular radio transceiver to that of the alarm reporting unit, to permit interactive communications which assure the reliable transmission of data while allowing suitable acknowledgement signals to be returned to the alarm reporting unit to regulate the effective transmission of data within the system, and isolation circuitry to effectively separate the alarm reporting unit from the cellular radio transceiver so that the alarm reporting unit can communicate with a monitoring facility via the cellular radio transceiver, as well as the wired telephone network. This further enables the data being produced to be simultaneously applied to the cellular radio transceiver as well as other communicating media which may be employed for purposes of redundancy.
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Chebra Ronald J.
Haff Richard W.
Sheffer Eliezer A.
Brown Thomas W.
VerSuS Technology, Inc.
Woo Stella L.
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