US3115588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroacoustical apparatus
Assignee: Raytheon Co
•
Filing: 1958-02-05
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Granted: 1963-12-24
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Expires: 1978-02-05
Abstract
No abstract record available.
Inventors
- 👤 Theodor F Hueter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:32
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0688; H; H04; H04R; H04R17/00; H10; H10N; H10N30/00; H10N30/20; H10N30/204
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
ELECTROACOUSTICAL APPARATUS INCLUDING A BENDER TRANSDUCER RESTRAINED AT BOTH ENDS THEREOF COMPRISED OF A PAIR OF POLARIZED PIEZOELECTRIC BENDER PLATES SECURED ALONG A COMMON INTERFACE AND ADAPTED FOR VIBRATION IN A MOLE CHARACTERIZED BY REGIONS OF OPPOSITE CURVATURE SPACED ALONG THE LENGTH DIMENSION THEREOF, SAID BENDER PLATES BEING FORMED WITH ELECTRODES ON THE RESPECTIVE SURFACES OPPOSITE SAID INTERFACE ARRANGED TO ENABLE THE EXCHANGE OF ELECTRICAL ENERGY WITH EACH OF SAID REGIONS INDEPENDENTLY OF THE OTHER IN A MANNER TENDING TO MAXIMIZE THE MECHANICAL COUPLING COEFFICIENT OF SAID TRANSDUCER.
Claim 2
Dependent Claim
88 words
ELECTROACOUSTICAL APPARATUS INCLUDING A BENDER TRANSDUCER RESTRAINED AT BOTH ENDS THEREOF COMPRISED OF A PAIR OF POLARIZED PIEZOELECTRIC BENDER PLATES SECURED ALONG A COMMON INTERFACE AND ADAPTED FOR VIBRATION IN A MOLE CHARACTERIZED BY REGIONS OF OPPOSITE CURVATURE SPACED ALONG THE LENGTH DIMENSION THEREOF, SAID BENDER PLATES BEING FORMED WITH ELECTRODES ON THE RESPECTIVE SURFACES OPPOSITE SAID INTERFACE ARRANGED TO ENABLE THE EXCHANGE OF ELECTRICAL ENERGY WITH EACH OF SAID REGIONS INDEPENDENTLY OF THE OTHER IN A MANNER TENDING TO MAXIMIZE THE MECHANICAL COUPLING COEFFICIENT OF SAID TRANSDUCER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |