Telephonic communications – Emergency or alarm communications – Responsive to sensed nonsystem condition
Patent
1995-10-30
1997-10-07
Kuntz, Curtis
Telephonic communications
Emergency or alarm communications
Responsive to sensed nonsystem condition
379 44, 379 42, 379 47, 379100, H04M 1104
Patent
active
056756267
ABSTRACT:
A cellular and battery backup telecommunication system including an output jack connected to a conventional telephone line for hard wire communication of conventional telecommunication signals therebetween when the telephone line is in a proper operable state. Also included is an input jack connected to at least one telecommunication mechanism such an alarm system. A cellular transceiver is adapted to modulate conventional telecommunication signals into cellular signals upon the receipt thereof and further to the transmit the cellular signals via free space thereafter. Control circuitry is connected to the transceiver and further between the input jack and output jack. The control circuitry is adapted to communicate conventional telecommunication signals between the input jack and output jack when the telephone line is in an operable state and manually or automatically transmit conventional telecommunication signals from the input jack to the cellular upon the disconnection of the employed telephone line. Finally, the present invention employs an audio alarm for alerting a user of cellular transmission via a quiet audible alarm.
REFERENCES:
patent: 5185779 (1993-02-01), Dop et al.
patent: 5510907 (1996-04-01), Koichi
patent: 5568535 (1996-10-01), Sheffer et al.
Kuntz Curtis
Mei Xu
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