US3349366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-acoustic submarine transducer
Assignee: Compteurs Schlumberger SA
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Filing: 1965-11-30
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Granted: 1967-10-24
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Expires: 1985-11-30
Abstract
No abstract record available.
Inventors
- 👤 Hanff Michael Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:43
CPC Classifications
H; H04; H04R; H04R9/00; H04R9/02; H04R9/022; G; G10; G10K; G10K13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN AN ELECTRO-ACOUSTIC TRANSDUCER STRUCTURE FOR SUBMARINE USE IN THE TRANSMISSION OF SOUND WAVES THROUGH THE WATER, THE COMBINATION COMPRISING A FREE-FLOODING ANNULAR YOKE MEMBER OF MAGNETIC MATERIAL IN DIRECT CONTACT WITH THE WATER WHEN SAID TRANSDUCER STRUCTURE IS IMMERSED THEREIN, A CORE MAGNETIC MATERIAL LOCATED CONCENTRICALLY WITHIN SAID ANNULAR YOKE MEMBER AND SPACED RADIALLY THEREFROM TO ESTABLISH AN ANNULAR GAP THEREBETWEEN, MEANS FOR PRODUCING A CONTINUOUS BIASING FIELD IN A MAGNETIC CIRCUIT THROUGH SAID YOKE AND CORE, A HORN COMPRISING A PLATE-LIKE MEMBER AND A DOWNWARDLY EXTENDING TUBULAR PORTION PROJECTION INTO SAID ANNUALR GAP, RESILIENT MEANS CARRIED BY SAID YOKE MEMBER AND SUPPORTING SAID HORN FOR PERMITTING A RECIPROCATING MOTION THEREOF A DRIVER COIL APPLIED TO SAID TUBULAR PORTION OF SAID HORN WITHIN SAID GAP AND ADAPTED TO BE ENERGIZED WITH ALTERNATING CURRENT THEREBY TO EFFECT RECIPROCATION OF SAID
Claim 2
Dependent Claim
140 words
IN AN ELECTRO-ACOUSTIC TRANSDUCER STRUCTURE FOR SUBMARINE USE IN THE TRANSMISSION OF SOUND WAVES THROUGH THE WATER, THE COMBINATION COMPRISING A FREE-FLOODING ANNULAR YOKE MEMBER OF MAGNETIC MATERIAL IN DIRECT CONTACT WITH THE WATER WHEN SAID TRANSDUCER STRUCTURE IS IMMERSED THEREIN, A CORE MAGNETIC MATERIAL LOCATED CONCENTRICALLY WITHIN SAID ANNULAR YOKE MEMBER AND SPACED RADIALLY THEREFROM TO ESTABLISH AN ANNULAR GAP THEREBETWEEN, MEANS FOR PRODUCING A CONTINUOUS BIASING FIELD IN A MAGNETIC CIRCUIT THROUGH SAID YOKE AND CORE, A HORN COMPRISING A PLATE-LIKE MEMBER AND A DOWNWARDLY EXTENDING TUBULAR PORTION PROJECTION INTO SAID ANNUALR GAP, RESILIENT MEANS CARRIED BY SAID YOKE MEMBER AND SUPPORTING SAID HORN FOR PERMITTING A RECIPROCATING MOTION THEREOF A DRIVER COIL APPLIED TO SAID TUBULAR PORTION OF SAID HORN WITHIN SAID GAP AND ADAPTED TO BE ENERGIZED WITH ALTERNATING CURRENT THEREBY TO EFFECT RECIPROCATION OF SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |