Vehicle speed detecting device

Details Vehicle speed detecting device Vehicle speed detecting device

1988-09-29

1989-10-24

Crosland, Donnie L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340670, 340671, 180170, 180197, 303 92, 303 94, 324160, 364565, 361236, 361242, B60Q 100

Patent

active

048765279

ABSTRACT:
A vehicle speed detecting device utilizes two vehicle speed pulse generators, a vehicle speed memory device, pulse counters, abnormality detectors, pulse signal transfer devices and an alarm device which are all integrated into the electronic control circuit of a micro-processor through two sets of signal processing devices. The detecting device not only indicates the speed of the vehicle but also detects abnormalities in either of the vehicle speed pulse generators and provides an appropriate alarm.

REFERENCES:
patent: 3950700 (1976-04-01), Weisbart
patent: 4125295 (1978-11-01), Ruhnau et al.
patent: 4125825 (1978-11-01), Takeuchi et al.
patent: 4783631 (1988-11-01), Nakashima et al.

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