Communications: electrical – Land vehicle alarms or indicators – For bicycle
Patent
1998-04-27
2000-05-09
Wu, Daniel J.
Communications: electrical
Land vehicle alarms or indicators
For bicycle
340427, 340429, 3405681, 340571, B62J 300
Patent
active
060609826
ABSTRACT:
The anti-theft alarm system includes a base unit which is shaped and sized to fit in a bicycle accessory such as a water bottle or to fit on a water bottle cage or on a bicycle component such as a seat frame at a location where it is concealed from view. The base unit has a microprocessor and a shock sensor which in reponse to tilt or other movement of the sensor (and bicycle) allows electrical current to flow through the microprocessor which outputs a signal into either just an alarm in some embodiments or into both a radio transceiver and an alarm in other embodiments. The transceiver emits a signal to a remote unit which is sufficiently compact that it may be carried by a user and which includes a second transceiver and an auditory or vibration alarm. The second transceiver activates the auditory or vibration alarm in response to receipt of the signal from the transceiver of the base unit thereby alerting the user to theft or attempted theft of the bicycle.
REFERENCES:
patent: 3824540 (1974-07-01), Smith, II
patent: 4151506 (1979-04-01), Schoenmetz
patent: 4188614 (1980-02-01), Habib
patent: 4885572 (1989-12-01), Iwata et al.
patent: 5534847 (1996-07-01), McGregor
patent: 5597225 (1997-01-01), Davis
patent: 5764135 (1998-06-01), Warren
patent: 5815069 (1998-09-01), Horton
La Anh
papageorge Chris
Wu Daniel J.
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