Automobile distance measuring apparatus

Details Automobile distance measuring apparatus Automobile distance measuring apparatus

1978-08-01

1980-09-30

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Echo systems

Returned signal used for control

343 7VM, 367 96, 367108, G01S 968

Patent

active

042259509

ABSTRACT:
A distance measuring apparatus installed in an automobile to measure with a high degree of accuracy a distance between a road surface and the axle of vehicle body of the automobile in motion. With this distance measuring apparatus, the distance between the point of its installation on the automobile and the road surface is measured by transmitting wave signals from the point of installation toward the road surface, selecting only the reflected wave signals of a predetermined intensity from the received reflected wave signals from the road surface and then integrating and averaging the data of the distance to the road surface derived from the selected reflected wave signals.

REFERENCES:
patent: 3428139 (1969-02-01), Nolan
patent: 3431550 (1969-03-01), Spence
patent: 3624596 (1971-11-01), Dickenson et al.
patent: 3710310 (1973-01-01), Moss, Jr. et al.

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