US3236957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for converting mechanical into electrical oscillations
Assignee: Siemens and Halske AG
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Filing: 1962-02-27
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Granted: 1966-02-22
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Expires: 1982-02-27
Abstract
No abstract record available.
Inventors
- 👤 Karmann Richard
- 👤 Zerbst Manfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:59
CPC Classifications
H; H04; H04R; H04R21/00; H04R21/02; G; G01; G01H; G01H11/00; G01H11/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A DEVICE FOR CONVERTING MECHANICAL OSCILLATIONS INTO ELECTRICAL OSCILLATIONS, COMPRISING A PLANE BODY MADE OF PIEZORESISTIVE SEMICONDUCTOR MATERIAL, SAID BODY BEING MADE IN LAYER FORM WHICH IS BENDABLE RESPONSIVE TO FORCES ACTING THEREON DERIVED FROM MECHANICAL OSCILLATIONS, A CARRIER FOR SAID BODY WHICH IS MECHANICALLY CONNECTED THEREWITH, SAID CARRIER HAVING A MODULUS OF ELASTICITY WHICH IS CONSIDERABLY LOWER THAN THAT OF THE PIEZORESISTIVE MATERIAL AND BEING OF A THICKNESS WHICH IS CONSIDERABLY GREATER THAN THAT OF THE PIEZORESISTIVE LAYER, MEANS FOR SUPPORTING SAID CARRIER FOR SUBJECTION TO SUCH FORCES, ACTING UPON SAID LAYER IN A DIRECTION WHICH EXTENDS PERPENDICULARLY THERETO, AND MEANS FOR OPERATIVELY CONNECTING SAID BODY IN AN ELECTRICAL CIRCUIT.
Claim 2
Independent Claim
111 words
A DEVICE FOR CONVERTING MECHANICAL OSCILLATIONS INTO ELECTRICAL OSCILLATIONS, COMPRISING A PLANE BODY MADE OF PIEZORESISTIVE SEMICONDUCTOR MATERIAL, SAID BODY BEING MADE IN LAYER FORM WHICH IS BENDABLE RESPONSIVE TO FORCES ACTING THEREON DERIVED FROM MECHANICAL OSCILLATIONS, A CARRIER FOR SAID BODY WHICH IS MECHANICALLY CONNECTED THEREWITH, SAID CARRIER HAVING A MODULUS OF ELASTICITY WHICH IS CONSIDERABLY LOWER THAN THAT OF THE PIEZORESISTIVE MATERIAL AND BEING OF A THICKNESS WHICH IS CONSIDERABLY GREATER THAN THAT OF THE PIEZORESISTIVE LAYER, MEANS FOR SUPPORTING SAID CARRIER FOR SUBJECTION TO SUCH FORCES, ACTING UPON SAID LAYER IN A DIRECTION WHICH EXTENDS PERPENDICULARLY THERETO, AND MEANS FOR OPERATIVELY CONNECTING SAID BODY IN AN ELECTRICAL CIRCUIT.
References Cited (Backward Citations)
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |