Distributed privacy oriented telephone extension system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 27, 1987
Grant Date -
N/A
app pub date -
Feb 21, 1986
filing date -
Feb 21, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A distributed privacy oriented telephone extension system having up to three different kinds of privacy circuits of different capacity for coupling a respective extension phone to the telephone line. Selective user configuration of the telephone extension system effects one level of privacy control and spontaneous user control during conversation to disconnect or reconnect other phones effects a second level of user control relating to the extent of privacy achieved.
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Family
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