Patent US3117189A successfully refreshed from Google Patents.
US3117189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromechanical transducer
Assignee: Bosch Security Systems Inc
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Filing: 1958-12-11
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Granted: 1964-01-07
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Expires: 1978-12-11
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Kopp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:17
CPC Classifications
H; H04; H04R; H04R17/00; H04R17/04; H04R17/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
AN ELECTROMECHANICAL TRANSDUCER COMPRISING AN ELONGATED BODY OF PIEZOELECTRIC MATERIAL HAVING POLARIZATION VECTORS EXTENDING NORMAL TO THE AXIS OF ELONGATION OF THE BODY AND IN OPPOSITE DIRECTIONS THEREFROM, MEANS FOR MOUNTING THE BODY AT ONE END, MEANS FOR IMPRESSING A FORCE ON THE OTHER END OF THE BODY, AND THREE ELECTRODES DISPOSED ON THE SURFACE OF THE BODY, EACH ELECTRODE BEING TOTALLY DISPOSED ON THE PORTION OF THE BODY BETWEEN TWO ORTHOGONALLY RELATED AXIAL PLANES OF THE BODY, SAID ELEMENT GENERATING AN ELECTRIC POTENTIAL BETWEEN TWO OF THE ELECTRODES RESPONSIVE TO THE COMPONENT OF THE FORCE IMPRESSED ON THE BODY IN ONE OF SAID ORTHOGONALLY RELATED PLANES AND A SECOND POTENTIAL BETWEEN A DIFFERENT TWO ELECTRODES RESPONSIVE TO THE COMPONENT OF SAID FORCE IN THE OTHER OF SAID ORTHOGONALLY RELATED PLANES.
Claim 2
Dependent Claim
131 words
AN ELECTROMECHANICAL TRANSDUCER COMPRISING AN ELONGATED BODY OF PIEZOELECTRIC MATERIAL HAVING POLARIZATION VECTORS EXTENDING NORMAL TO THE AXIS OF ELONGATION OF THE BODY AND IN OPPOSITE DIRECTIONS THEREFROM, MEANS FOR MOUNTING THE BODY AT ONE END, MEANS FOR IMPRESSING A FORCE ON THE OTHER END OF THE BODY, AND THREE ELECTRODES DISPOSED ON THE SURFACE OF THE BODY, EACH ELECTRODE BEING TOTALLY DISPOSED ON THE PORTION OF THE BODY BETWEEN TWO ORTHOGONALLY RELATED AXIAL PLANES OF THE BODY, SAID ELEMENT GENERATING AN ELECTRIC POTENTIAL BETWEEN TWO OF THE ELECTRODES RESPONSIVE TO THE COMPONENT OF THE FORCE IMPRESSED ON THE BODY IN ONE OF SAID ORTHOGONALLY RELATED PLANES AND A SECOND POTENTIAL BETWEEN A DIFFERENT TWO ELECTRODES RESPONSIVE TO THE COMPONENT OF SAID FORCE IN THE OTHER OF SAID ORTHOGONALLY RELATED PLANES.
References Cited (Backward Citations)
US2955216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |