Patent US3332290A successfully refreshed from Google Patents.
US3332290A
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US
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Accelerometer
Assignee: Ambac International Corp
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Filing: 1956-05-22
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Granted: 1967-07-25
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Expires: 1976-05-22
Abstract
No abstract record available.
Inventors
- 👤 Charles D Bock
- 👤 Paul S Jorgensen
- 👤 Statsinger Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:18
CPC Classifications
G; G01; G01P; G01P7/00; G01C; G01C19/00; G01C19/56; G01C19/5635; G01P15/00; G01P15/02; G01P15/08; G01P15/097; G01P15/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN A DEVICE OF THE CHARACTER DESCRIBED, A PAIR OF SPACED SUPPORTS, A MASS, A PAIR OF COAXIAL TENSIONED WIRES EXTENDING BETWEEN SAID MASS AND SAID SUPPORTS, FIRST ELECTRONIC MEANS FOR KEEPING ONE OF SAID WIRES VIBRATING AT ITS NATURAL FREQUENCY AND HAVING AN OUTPUT SIGNAL ALTERNATING AT SAID ONE NATURAL FREQUENCY, SECOND ELECTRONIC MEANS FOR KEEPING THE OTHER OF SAID WIRES VIBRATING AT ITS NATURAL FREQUENCY AND HAVING AN OUTPUT SIGNAL ALTERNATING AT SAID OTHER NATURAL FREQUENCY, MEANS FOR DETERMINING THE DIFFERENCE BETWEEN SAID NATURAL FREQUENCIES, MEANS FOR DETERMINING THE SUM OF SAID NATURAL FREQUENCIES, MEANS FOR MULTIPLYING AN AMOUNT CONTROLLED BY SAID SUM BY SAID DIFFERENCE TO OBTAIN A PRODUCT, AND MEANS FOR ADDING SAID PRODUCT TO SAID DIFFERENCE TO OBTAIN AN OUTPUT INDICATIVE OF THE VELOCITY OF THE SUPPORTS IN THE AXIS OF SAID WIRES.
Claim 2
Dependent Claim
138 words
IN A DEVICE OF THE CHARACTER DESCRIBED, A PAIR OF SPACED SUPPORTS, A MASS, A PAIR OF COAXIAL TENSIONED WIRES EXTENDING BETWEEN SAID MASS AND SAID SUPPORTS, FIRST ELECTRONIC MEANS FOR KEEPING ONE OF SAID WIRES VIBRATING AT ITS NATURAL FREQUENCY AND HAVING AN OUTPUT SIGNAL ALTERNATING AT SAID ONE NATURAL FREQUENCY, SECOND ELECTRONIC MEANS FOR KEEPING THE OTHER OF SAID WIRES VIBRATING AT ITS NATURAL FREQUENCY AND HAVING AN OUTPUT SIGNAL ALTERNATING AT SAID OTHER NATURAL FREQUENCY, MEANS FOR DETERMINING THE DIFFERENCE BETWEEN SAID NATURAL FREQUENCIES, MEANS FOR DETERMINING THE SUM OF SAID NATURAL FREQUENCIES, MEANS FOR MULTIPLYING AN AMOUNT CONTROLLED BY SAID SUM BY SAID DIFFERENCE TO OBTAIN A PRODUCT, AND MEANS FOR ADDING SAID PRODUCT TO SAID DIFFERENCE TO OBTAIN AN OUTPUT INDICATIVE OF THE VELOCITY OF THE SUPPORTS IN THE AXIS OF SAID WIRES.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |