Patent US3304786A successfully refreshed from Google Patents.
US3304786A
Expired / Lapsed
US
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Accelerometer especially for navigational purposes
Assignee: Linde Sverige AB
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Filing: 1961-02-27
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Granted: 1967-02-21
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Expires: 1981-02-27
Abstract
No abstract record available.
Inventors
- 👤 Granqvist Carl-Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:57
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
AN ACCELEROMETER FOR MEASURING HORIZONTAL ACCELERATION COMPRISING A DISC ROTATING ABOUT A VERTICAL AXIS, TWO MASS BODIES SPACED FROM THE AXIS, EACH ONE SUPPORTED BY A WIRE DIAMETRICALLY DISPOSED ON THE DISC AND CONNECTED THEREWITH BY MEANS OF SPRINGS FOR SUPPORTING THE MASS BODY FOR MOVEMENT ALONG A STRAIGHT PATH EXTENDING DIAMETRICALLY TO THE DISC AND IN A PLANE PERPENDICULAR TO THE AXIS, A READER CONNECTED WITH THE MASS BODY FOR MEASURING MOVEMENTS OF THE MASS BODY DUE TO FORCES ACTING THEREON, MEANS FOR FEEDING THE READER WITH A HIGH FREQUENCY ALTERNATING CURRENT, MEANS COOPERATING WITH THE READER FOR MODULATING SAID ALTERNATING CURRENT WITH A MODULATING VOLTAGE REPRESENTING THE FORCES ACTING ON THE MASS BODY, THE WIRE SUPPORTING ONE MASS BODY BEING PERPENDICULAR TO THE WIRE SUPPORTING THE OTHER MASS BODY.
Claim 2
Dependent Claim
131 words
AN ACCELEROMETER FOR MEASURING HORIZONTAL ACCELERATION COMPRISING A DISC ROTATING ABOUT A VERTICAL AXIS, TWO MASS BODIES SPACED FROM THE AXIS, EACH ONE SUPPORTED BY A WIRE DIAMETRICALLY DISPOSED ON THE DISC AND CONNECTED THEREWITH BY MEANS OF SPRINGS FOR SUPPORTING THE MASS BODY FOR MOVEMENT ALONG A STRAIGHT PATH EXTENDING DIAMETRICALLY TO THE DISC AND IN A PLANE PERPENDICULAR TO THE AXIS, A READER CONNECTED WITH THE MASS BODY FOR MEASURING MOVEMENTS OF THE MASS BODY DUE TO FORCES ACTING THEREON, MEANS FOR FEEDING THE READER WITH A HIGH FREQUENCY ALTERNATING CURRENT, MEANS COOPERATING WITH THE READER FOR MODULATING SAID ALTERNATING CURRENT WITH A MODULATING VOLTAGE REPRESENTING THE FORCES ACTING ON THE MASS BODY, THE WIRE SUPPORTING ONE MASS BODY BEING PERPENDICULAR TO THE WIRE SUPPORTING THE OTHER MASS BODY.
References Cited (Backward Citations)
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Cited
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Cited
US2570672A
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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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |