Ultrasonic sensor

Details Ultrasonic sensor Ultrasonic sensor

1994-09-26

1996-03-05

Chilcot, Richard

Measuring and testing

Vibration

Sensing apparatus

73649, 73 3511, G01H 1100

Patent

active

054957664

ABSTRACT:
An ultrasonic sensor (21) includes a case consisting of a case body (21) and a base (23), a piezoelectric diaphragm (25) which is arranged in the case, a conical vibrator (32) which is bonded to an ultrasonic transmitting/receiving side of the piezoelectric diaphragm (25), and a tubular member (24) which is arranged in front of the vibrator (32) for guiding ultrasonics.

REFERENCES:
patent: 4189655 (1980-02-01), Bruel
patent: 4228379 (1980-10-01), Guscott
patent: 4869257 (1989-09-01), Molnar et al.
patent: 5179862 (1993-01-01), Lynworth
patent: 5185728 (1993-02-01), Gilchrist

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