Communications: electrical – Land vehicle alarms or indicators – Of burglary or unauthorized use
Patent
1996-10-18
1998-06-09
Swarthout, Brent A.
Communications: electrical
Land vehicle alarms or indicators
Of burglary or unauthorized use
340432, 340429, 340539, 340693, 34082569, 2972173, 455 92, 455128, B62J 300
Patent
active
057641358
ABSTRACT:
A motion detection alarm for a bicycle including a motion detector with an input terminal and an output terminal. The output terminal is adapted for transmitting a motion detection signal only upon the receipt of an activation signal via the input terminal in combination with the motion detector sensing physical vibration at a level above a predetermined amount. Further provided is a speaker coupled to the output terminal of the motion detector for transmitting an audible high frequency alarm signal upon receipt of the motion detection signal. Also included is a receiver coupled to the input terminal of the motion detector. In operation, the receiver transmits an activation signal upon receipt of a remote signal via free space and further precludes the transmission of an activation signal upon the subsequent receipt of the remote signal. Finally, a remote signalling unit is included with an activation push button switch for transmitting via free space the remote signal for selectively activating the motion detector.
REFERENCES:
patent: 3771827 (1973-11-01), Winfree
patent: 4797657 (1989-01-01), Vorzimmer et al.
patent: 4897630 (1990-01-01), Nykerk
patent: 4980667 (1990-12-01), Ames
patent: 5270681 (1993-12-01), Jack
patent: 5408213 (1995-04-01), Ungarsohn
patent: 5534847 (1996-07-01), McGregor
Swarthout Brent A.
Wu Daniel J.
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