Ultrasonic transducer

Details Ultrasonic transducer Ultrasonic transducer

1981-05-20

1984-02-21

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Signal transducers

181177, 181400, H04R 134

Patent

active

044333986

ABSTRACT:
An ultrasonic transducer which is suited to be placed in the place exposed to water, comprises an ultrasonic vibrator which transmits and receives ultrasonic wave, a horn which imparts directivity to the ultrasonic wave and a bent wave guide which connects the ultrasonic vibrator and the horn, and a reflecting plate which is provided in the bent portion of the wave guide for guiding the ultrasonic wave into the horn or the ultrasonic vibrator. According to the ultrasonic transducer of the present invention, the ultrasonic vibrator can be positioned above the horn when the horn is horizontally disposed. Therefore, the ultrasonic vibrator is not splashed with water entering from the horn.

REFERENCES:
patent: 1827955 (1931-10-01), Rodriguez
patent: 2459162 (1949-01-01), Hayes
patent: 3028752 (1962-04-01), Bacon
patent: 3046544 (1962-07-01), Auer, Jr. et al.
patent: 3109155 (1963-10-01), Degen
patent: 4104610 (1978-08-01), Inoue et al.

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