System for indicating approaching vehicle speed

Details System for indicating approaching vehicle speed System for indicating approaching vehicle speed

2006-06-06

2006-06-06

Hofsass, Jeffery (Department: 2636)

Communications: electrical

Vehicle detectors

Speed and overspeed

C340S466000, C701S119000

Reexamination Certificate

active

07057531

ABSTRACT:
A system for indicating approaching vehicle speed includes a transmitter for emitting a wireless signal. The transmitter is mounted on the vehicle. A receiver unit is adapted for detecting wireless signals emitted by the transmitter. A processor is operationally coupled to the receiver unit. The processor is adapted for determining a relative speed of the vehicle from signals received by the receiver unit. At least one display is operationally coupled to the processor for displaying the relative speed determined by the processor.

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patent: 6384740 (2002-05-01), Al-Ahmed
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