Research/Patents/US 4961175
US 4961175

LOW FREQUENCY SOUND SURCE FOR ACOUSTIC SWEEPS

Assignee

Filed

Dec 12, 1967

Granted

Oct 2, 1990

Location

Abstract

An underwater acoustic generator comprising a tapered solid positioned in aluid flow to produce a cavitation void. A source of gas supplies the void with gas to produce a resonant gas bubble.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Jan 22, 1982

Rescinded

Jun 8, 1990

Duration

8 years, 4 months

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records