Car speed alarm system

Details Car speed alarm system Car speed alarm system

2011-05-24

2011-05-24

Bugg, George A (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

External alarm or indicator of movement

C340S435000, C340S436000, C340S441000, C340S463000, C340S479000, C180S167000, C180S169000, C180S178000, C180S271000, C701S001000, C701S034000, C701S036000

Reexamination Certificate

active

07948366

ABSTRACT:
A car speed alarm system is installed in a vehicle and has a modulation module and a demodulation module. The modulation module sends a car speed signal to cars behind when the car is decelerating. The cars behind use their demodulation module to read the transmitted car speed signal and notify their drivers, so that the drivers know how and when to reduce their speeds.

REFERENCES:
patent: 4614932 (1986-09-01), Matsumoto et al.
patent: 5835008 (1998-11-01), Colemere, Jr.
patent: 6121896 (2000-09-01), Rahman
patent: 6225918 (2001-05-01), Kam
patent: 6351211 (2002-02-01), Bussard
patent: 6831572 (2004-12-01), Strumolo et al.

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