Measuring and testing – Vibration – By mechanical waves
Patent
1994-10-20
1996-07-02
Chilcot, Richard
Measuring and testing
Vibration
By mechanical waves
73649, G01N 2904
Patent
active
055311180
ABSTRACT:
A method and a device for operating an ultrasonic sensor, in which the measuring sensitivity is monitored and the measuring result is compensated for temperature. This is accomplished by measuring the distance of a fixed marking, which is situated on the vehicle and has a known distance from the ultrasonic sensor, to extract a signal, whose amplitude is a measure of the sensitivity of the ultrasonic sensor. From the measured delay time and the theoretical delay time to the marking, a value is attained, which is a measure of the temperature of the ambient air. Suited as a marking is, for example, an edge of a raised license plate frame, which is mounted on a bumper bar of a motor vehicle and lies within the detecting range of the ultrasonic sensor.
REFERENCES:
patent: 4210969 (1980-07-01), Massa
patent: 4561064 (1985-12-01), Bruggen et al.
patent: 4694295 (1987-10-01), Miller et al.
patent: 4873676 (1989-10-01), Bailey et al.
patent: 4903004 (1990-02-01), Starke et al.
patent: 4910512 (1990-03-01), Riedel
patent: 4910717 (1990-03-01), Terry
patent: 4980869 (1990-12-01), Forster et al.
patent: 5334969 (1994-08-01), Abe et al.
patent: 5360268 (1994-11-01), Hayashi et al.
Knoll Peter
Noll Martin
Chilcot Richard
Noori Max H.
Robert & Bosch GmbH
LandOfFree
Method and device for operating an ultrasonic sensor does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and device for operating an ultrasonic sensor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and device for operating an ultrasonic sensor will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1498227