US3358088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromechanical transducer
Assignee: CTS Corp
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Filing: 1964-06-05
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Granted: 1967-12-12
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Expires: 1984-06-05
Abstract
No abstract record available.
Inventors
- 👤 Robert A Gault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:49
CPC Classifications
H; H04; H04R; H04R9/00; H04R9/02; H04R9/022
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
102 words
IN AN ELECTROMECHANICAL TRANSDUCER HAVING A STATIONARY MAGNETIC STRUCTURE, A VOICE COIL OPERABLY ASSOCIATED WITH THE STATIONARY MAGNETIC STRUCTURE, SAID VOICE COIL COMPRISING A WINDING FOR ENERGIZATION DURING OPERATION, AND A DIAPHRAGM SECURED TO THE VOICE COIL THE IMPROVEMENT IN SAID TRANSDUCER COMPRISING, A BOBBIN FOR SUPPORTING THE WINDING, SAID BOBBIN CONSISTING OF A FIRST LAMINATION OF THERMALLY CONDUCTIVE MATERIAL AND A LAMINATION OF ELECTRICALLY NONCONDUCTIVE MATERIAL FIXEDLY BONDED TO SAID FIRST LAMINATION, SAID WINDING WOUND ON SAID BOBBIN IN CLOSE PROXIMITY TO SAID FIRST LAMINATION WHEREBY DURING OPERATION THE HEAT GENERATED BY THE WINDING IS RAPIDLY DISSIPATED BY THE FIRT LAMINATION.
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |