Communications: electrical – Condition responsive indicating system – With particular coupling link
Patent
1993-02-05
1995-09-12
Hofsass, Jeffery A.
Communications: electrical
Condition responsive indicating system
With particular coupling link
34028611, 340541, 340573, 340600, G08B 13183
Patent
active
054500605
ABSTRACT:
Apparatus for detecting motion by producing a signal in response to motion, transmitting the produced signal and receiving the transmitted signal which is converted to auditory and electrical outputs, with an ear phone jack connected to an auditory output, an on-off switch connected to the signal converter and a set of indicator lights connected to an electrical output.
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Hofsass Jeffery A.
Kersey George E.
Wu Daniel J.
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