Telephone system/paging system interface
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 25, 1989
Grant Date -
N/A
app pub date -
Jan 7, 1988
filing date -
Jan 7, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for interfacing a telephone system having a central processor and a plurality of telephone extension lines operatively connected to the central processor to at least one pager transmitter. For each pager transmitter there is an interface circuit which is connected to one of the telephone extension lines and to one of the pager transmitters. The interface circuit includes a ring signal detector to detect activation of the telephone extension line connected thereto and for providing an output indicative of the activation. The interface circuit further includes a pager transmitter activator responsive to the output of the detector means for activating one of the pager transmitters.
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Cited Art Landscape
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