Communication system comprising a remotely activated switch
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 30, 1991
Grant Date -
N/A
app pub date -
Sep 7, 1989
filing date -
Sep 7, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a digital communication system including a remotely operable switch. Messages from sending means to receiving means in the system are intercepted by hard wired, character-recognition means withing the switch. When a message contains an activating character sequence, the switch is activated, closing an external circuit. The switch may be powered on independently of whether the receiving means are powered on or off.
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Family
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