Method and device for monitoring sensor functions

Details Method and device for monitoring sensor functions Method and device for monitoring sensor functions

1994-10-13

1997-04-01

Voeltz, Emanuel T.

Boots, shoes, and leggings

364424039, 36442404, 36443103, 36443111, 73115, 731173, 731181, 123425, 123478, 123479, 123486, G01D 1800, G01D 302, G05B 2300

Patent

active

056173377

ABSTRACT:
A method and a device for monitoring the functions of a sensor, in particular of a sensor for detecting a measurable value in a motor vehicle. If specified operating states exist, a measurable value is detected and compared to a reference value. Faults are detected when a measured value, held by the sensor, deviates by more than a tolerance value from a reference value. A measured value which had been detected and stored at an earlier instant when a corresponding operating state existed is used as the reference value.

REFERENCES:
patent: 4574265 (1986-03-01), Kaiser et al.
patent: 4730264 (1988-03-01), Kohler
patent: 4914594 (1990-04-01), Sano
patent: 5003954 (1991-04-01), Yakuwa et al.
patent: 5014548 (1991-05-01), Tomisawa
patent: 5216882 (1993-06-01), Kuroda et al.
patent: 5445014 (1995-08-01), Fiorenza, II et al.

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