Patent US3333236A successfully refreshed from Google Patents.
US3333236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrophone unit
Assignee: Individual
•
Filing: 1966-04-20
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Granted: 1967-07-25
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Expires: 1986-04-20
Abstract
No abstract record available.
Inventors
- 👤 Schloss Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:17
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A HYDROPHONE UNIT COMPRISING: A BODY OF WATERTIGHT MATERIAL HAVING AN ACOUSTIC TRANSMISSIVITY ESSENTIALLY THE SAME AS THAT OF WATER; GENERATOR MEANS LOCATED IN SAID BODY FOR PRODUCING MECHANICAL VIBRATIONS IN SAID BODY; WATERTIGHT AND PRESSURE-TIGHT MEANS PROVIDING A HOUSING FOR SAID GENERALLY MEANS, WHEREBY SAID GENERATOR MEANS IS SUBSTANTIALLY UNAFFECTED BY EXTERNAL PRESSURES AND THERBY PROVIDES A SOURCE OF ESSENTIALLY CONSTANT REFERENCE SIGNALS FOR TRANSMISSION TO THE BODY; HYDROPHONE MEANS WATERTIGHTLY CONTAINED IN SAID BODY AND COUPLED TO SAID BODY TO RECEIVE SAID MECHANICAL VIBRATIONS; ELECTRICALLY CONDUCTIVE MEANS FOR PROVIDING AN OSCILLATORY POWER INPUT PATH FOR SAID GENERATOR AND FOR PROVIDING AN OUTPUT PATH FOR SAID HYDROPHONE MEANS; AMPLIFIER MEANS CONNECTED TO SAID HYDROPHONE MEANS AND TO SAID OUTPUT PATH, SAID BODY BEING ELONGATED AND SAID GENERATOR MEANS AND SAID AMPLIFIER MEANS ARE LOCATED IN SAID BODY NEAR AN END OPPOSITE FROM SAID HYDROPHONE MEANS, SAID AMPLIFIER MEANS HAVING A HOUSING; ELECTROSTATIC SHIELDING MEANS FOR SAID HYDROPHONE MEANS, SAID ELECTROSTATIC SHIELDING MEANS SURROUNDING SAID HYDROPHONE AND ENCLOSING SAID HYDROPHONE, SAID ELECTROSTATIC SHIELDING MEANS CONNECTED TO SAID HOUSING OF SAID AMPLIFIER MEANS; WHEREBY UPON OSCILLATORY EXCITATION OF SAID GENERATOR SAID HYDROPHONE MEANS PRODUCES AN OUTPUT SIGNAL REPRESENTING HYDROPHONE SENSITIVITY.
Claim 2
Dependent Claim
199 words
A HYDROPHONE UNIT COMPRISING: A BODY OF WATERTIGHT MATERIAL HAVING AN ACOUSTIC TRANSMISSIVITY ESSENTIALLY THE SAME AS THAT OF WATER; GENERATOR MEANS LOCATED IN SAID BODY FOR PRODUCING MECHANICAL VIBRATIONS IN SAID BODY; WATERTIGHT AND PRESSURE-TIGHT MEANS PROVIDING A HOUSING FOR SAID GENERALLY MEANS, WHEREBY SAID GENERATOR MEANS IS SUBSTANTIALLY UNAFFECTED BY EXTERNAL PRESSURES AND THERBY PROVIDES A SOURCE OF ESSENTIALLY CONSTANT REFERENCE SIGNALS FOR TRANSMISSION TO THE BODY; HYDROPHONE MEANS WATERTIGHTLY CONTAINED IN SAID BODY AND COUPLED TO SAID BODY TO RECEIVE SAID MECHANICAL VIBRATIONS; ELECTRICALLY CONDUCTIVE MEANS FOR PROVIDING AN OSCILLATORY POWER INPUT PATH FOR SAID GENERATOR AND FOR PROVIDING AN OUTPUT PATH FOR SAID HYDROPHONE MEANS; AMPLIFIER MEANS CONNECTED TO SAID HYDROPHONE MEANS AND TO SAID OUTPUT PATH, SAID BODY BEING ELONGATED AND SAID GENERATOR MEANS AND SAID AMPLIFIER MEANS ARE LOCATED IN SAID BODY NEAR AN END OPPOSITE FROM SAID HYDROPHONE MEANS, SAID AMPLIFIER MEANS HAVING A HOUSING; ELECTROSTATIC SHIELDING MEANS FOR SAID HYDROPHONE MEANS, SAID ELECTROSTATIC SHIELDING MEANS SURROUNDING SAID HYDROPHONE AND ENCLOSING SAID HYDROPHONE, SAID ELECTROSTATIC SHIELDING MEANS CONNECTED TO SAID HOUSING OF SAID AMPLIFIER MEANS; WHEREBY UPON OSCILLATORY EXCITATION OF SAID GENERATOR SAID HYDROPHONE MEANS PRODUCES AN OUTPUT SIGNAL REPRESENTING HYDROPHONE SENSITIVITY.
References Cited (Backward Citations)
US3224246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |