Vehicle speed detecting apparatus

Details Vehicle speed detecting apparatus Vehicle speed detecting apparatus

1995-06-19

1997-07-01

Hofsass, Jeffery

Communications: electrical

Land vehicle alarms or indicators

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

340444, 340466, 36443107, 364565, 364423098, 324166, B60Q 100

Patent

active

056442882

ABSTRACT:
Rotational speed of a vehicle speed detecting gear 1 is detected by a detection element 2 using an MRE or the like and the detected signal is waveform-shaped by a waveform shaping circuit 3 to serve as a vehicle-speed pulse signal. The cycle of the vehicle-speed pulse signal is detected by a sampling circuit 4. The detected cycle of the pulse signal is multiplied by a predetermined multiplier in a multiplication circuit 6 and the multiplication result is divided by a predetermined divisor in a diving and pulsing circuit 8. Then, a pulse signal having the cycle equivalent to the division result is output as a divided vehicle-speed pulse signal.

REFERENCES:
patent: 4922197 (1990-05-01), Juds et al.
patent: 5424714 (1995-06-01), Kin et al.

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