Remote telephone ringer controller
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 27, 1999
Grant Date -
N/A
app pub date -
Mar 18, 1996
filing date -
Mar 18, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device (FIG. 1, item 110), which may be remotely controlled, inserted between a telephone (FIG. 1, item 100) and a telephone line (FIG. 1, item 120) that controls the telephone's ringer to silence it or not, to cause it to ring in a different manner to signal an event other than an incoming telephone call (FIG. 1, item 140), and/or to signal another device (FIG. 1, item 130) to indicate an incoming call.
First Claim
Family
International Classification(s)
Cited Art Landscape
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