US3093710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezoelectric electromechanical transducer
Assignee: Gulton Industries Inc
•
Filing: 1959-07-06
•
Granted: 1963-06-11
•
Expires: 1979-07-06
Abstract
No abstract record available.
Inventors
- 👤 Eyck Robert R Ten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:29
CPC Classifications
H; H04; H04R; H04R17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
AN ELECTROMCHANICAL DEVICE COMPRISING MOUNTING MEANS, AN ELONGATED ELECTROMECHANICALLY SENSITIVE CERAMIC TRANSDUCER CLAMPED ADJACENT ONE END TO SAID MOUNTING MEANS AND INCLUDING A PAIR OF POLATIZED PIEZOELECTRIC THIN CERAMIC STRIPS AND A CONDUCTOR STRIP FORMING A UNITARY SANDWICH AND A PAIR OF ELECTRODES ON THE OUTER SURFACES OF SAID THIN CERAMIC STRIPS, MEANS FOR DRIVING SAID TRANSDUCER IN BENDING MODE INCLUDING ELECTRICAL CONNECTIONS TO SAID CONDUCTOR STRIP AND ELECTRODES, MECHANICAL OPERATING MEANS CONNECTED TO THE FREE END OF SAID TRANSDUCER FOR OPERATION THEREBY, AND MEANS ON ADJACENT TO THE FREE END OF THE TRANSDUCER FOR DAMPING THE SAME TO PROVIDE A SUBSTANTIALLY FLAT FREQUENCY RESPONSE OVER THE AUDIBLE RANGE.
Claim 2
Dependent Claim
109 words
AN ELECTROMCHANICAL DEVICE COMPRISING MOUNTING MEANS, AN ELONGATED ELECTROMECHANICALLY SENSITIVE CERAMIC TRANSDUCER CLAMPED ADJACENT ONE END TO SAID MOUNTING MEANS AND INCLUDING A PAIR OF POLATIZED PIEZOELECTRIC THIN CERAMIC STRIPS AND A CONDUCTOR STRIP FORMING A UNITARY SANDWICH AND A PAIR OF ELECTRODES ON THE OUTER SURFACES OF SAID THIN CERAMIC STRIPS, MEANS FOR DRIVING SAID TRANSDUCER IN BENDING MODE INCLUDING ELECTRICAL CONNECTIONS TO SAID CONDUCTOR STRIP AND ELECTRODES, MECHANICAL OPERATING MEANS CONNECTED TO THE FREE END OF SAID TRANSDUCER FOR OPERATION THEREBY, AND MEANS ON ADJACENT TO THE FREE END OF THE TRANSDUCER FOR DAMPING THE SAME TO PROVIDE A SUBSTANTIALLY FLAT FREQUENCY RESPONSE OVER THE AUDIBLE RANGE.
References Cited (Backward Citations)
US2045403A
Cited
US2166326A
Cited
US2223537A
Cited
US2269403A
Cited
US2352311A
Cited
US2510811A
Cited
US2640165A
Cited
US2587684A
Cited
GB698989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |