Ultrasonic sound source and method for manufacturing rectangular

Details Ultrasonic sound source and method for manufacturing rectangular Ultrasonic sound source and method for manufacturing rectangular

1976-10-01

1978-10-31

Swisher, S. Clement

Signals and indicators

Horns, whistles and compressional wave generators

29594, 74155, B06B 102, B06B 110

Patent

active

041227972

ABSTRACT:
The present invention is directed to an ultrasonic sound source made up of diaphragms composed of rectangular plates adapted, in dimensions, to vibrate in a stripes mode, and mounted, in spaced relation and in multiple stages, on a longitudinal resonance rod which is connected to the horn of the vibrator to produce the ultrasonic waves above the audio-frequency. Thus, an intense ultrasonic sound source which is free from noises and is superior in radiation efficiency is provided.

REFERENCES:
patent: 3019660 (1962-02-01), Welkowitz
patent: 3019661 (1962-02-01), Welkowitz
patent: 3160138 (1964-12-01), Platzman
patent: 3173034 (1965-03-01), Dickey
patent: 3252336 (1966-05-01), Eisner
patent: 3525884 (1970-08-01), Onoe
"Physics" Hausmann et al., pp. 552, 553; Copyright 1935, 1939.

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