Vehicle wireless alarm system

Details Vehicle wireless alarm system Vehicle wireless alarm system

2005-03-01

2005-03-01

Hofsass, Jeffery (Department: 2636)

Communications: electrical

Land vehicle alarms or indicators

Of collision or contact with external object

C340S463000, C340S479000, C340S903000, C340S435000

Reexamination Certificate

active

06861948

ABSTRACT:
A vehicle wireless alarm system comprises a front car subsystem installed in a front car and a rear car subsystem installed in a rear car. The front car is in front of the rear car. The front car subsystem comprises a reverse car sensor and a brake car sensor; an alarm source; an oscillator; an encoder; an amplifier receiving signals; and a transmitter for emitting the receiving signals wirelessly as emitting signals. The rear car subsystem comprises a receiver receiving the transmitting signals; an amplifier; a decoder; an output device and outputting the receiving signals; and an alarm device receiving signals from the output device and emits alarm signals. By above system, a driver in the rear car can know that the front car now reverses or brakes.

REFERENCES:
patent: 3891966 (1975-06-01), Sztankay
patent: 4692764 (1987-09-01), Bonar
patent: 5162794 (1992-11-01), Seith
patent: 5684474 (1997-11-01), Gilon et al.
patent: 6707391 (2004-03-01), Monroe
patent: 6765495 (2004-07-01), Dunning et al.

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