Apparatus for selectively alerting party line subscribers
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United States of America Patent
Stats
-
Feb 2, 1988
Grant Date -
N/A
app pub date -
Oct 15, 1985
filing date -
Oct 15, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus is described having the capability to selectively alert subscribers in a telephone party line system where different subscriber parties are alerted using different ringing configurations. Subscribers are identified as being a member of a party by the connection pattern used to interface the apparatus to the telephone party line. The apparatus comprises means for detecting whether a ringer signal received from the telephone line is meant to alert a given subscriber party, and means for coupling the ringer signal to subscriber alerting equipment when an appropriate ringer signal is detected.
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Family
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