Switching circuit for the disabling of spurious sensor signals

Details Switching circuit for the disabling of spurious sensor signals Switching circuit for the disabling of spurious sensor signals

1978-08-16

1981-02-17

Eisenzopf, Reinhard J.

Fluid-pressure and analogous brake systems

Pipeless valves

328167, B60T 800

Patent

active

042511186

ABSTRACT:
A controllable filter circuit for removing noise from the useful picked up speed sensing signal in an anti-skid vehicular braking system. The controllable filter circuit includes a pickup device, a frequency dependent low-pass filter, a sine-wave to rectangular-wave converter and threshold circuit, a frequency to voltage converter and a switching circuit for actuating the low-pass filter for dampening and blocking troublesome noise signals from the speed signals prior to feeding them to logic, amplifying and output devices.

REFERENCES:
patent: 3640586 (1972-02-01), Kohler
patent: 3930727 (1976-01-01), Vergato
patent: 4039227 (1977-08-01), Sivulka
patent: 4045731 (1977-08-01), Tokunou et al.

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