Dual reference surface transducer

Details Dual reference surface transducer Dual reference surface transducer

1986-02-12

1988-09-06

Parr, Ted L.

Communications, electrical: acoustic wave systems and devices

Echo systems

Distance or direction finding

367151, 367902, G01S 966

Patent

active

047697938

ABSTRACT:
An ultrasonic transducer and method for detecting the distance to an object using ultrasonic energy. The transducer includes a foil which creates ultrasonic energy. First and second reference surfaces are provided which are spaced between the transducer and the object. The two reference surfaces provide for immunity against temperature and positional changes.

REFERENCES:
patent: 3184969 (1965-05-01), Bolton
patent: 4008455 (1977-02-01), Pedersen
patent: 4170765 (1979-10-01), Austin et al.
patent: 4210969 (1980-07-01), Massa
patent: 4470299 (1984-09-01), Soltz
patent: 4569037 (1986-02-01), Seiferling
patent: 4581726 (1986-04-01), Makino et al.
patent: 4719605 (1988-01-01), Eder
Buck, R., "Sound Idea Aids Assembly of Diapers, Cars and More", The Seattle Times, Oct. 24, 1985.
Cleaveland, P., "Automated Inspection in the Factory: A Technology Update", The Industrial and Process Control Magazine, 8-1985.
Inglesby, T. "Inspecting and Measuring with `Dog Whistles`", Manufacturing Systems, Aug. 1985.
"Ultrasonic Distance Measurements", Electronic Product Design, Aug. 1981.

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