Ultrasonic proximity switch

Details Ultrasonic proximity switch Ultrasonic proximity switch

1985-08-02

1987-03-10

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Echo systems

Distance or direction finding

367 93, G01S 752

Patent

active

046495274

ABSTRACT:
This invention is of an ultrasonic proximity switch having a range selection control circuit. The range selection control circuit is in this instance separated from the sensor by being installed in a separate housing which can be mounted in the switching unit. It is equipped with a potentiometer in the form of encoding switches and an actual value display which can be designed in the form of an LCD design. In addition, various selector switches can be mounted in the housing.

REFERENCES:
patent: 3060427 (1962-10-01), Jaffe et al.
patent: 3562703 (1971-02-01), Grada
patent: 3757285 (1973-09-01), Ferre 367108
Siemens Publication "Distanz-Sensor Ultraschall-BERO bis 1m" (Translation Not Available).
Motorola Semiconductors Publication "The European CMOS Selection".
"Das Grosse Werkbuch Electronik" (The Large Electronics Manual) by Dieter Nuehrman (Translation Not Available).

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