US3355952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accelerometer with digital readout
Assignee: North American Aviation Corp
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Filing: 1965-03-31
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Granted: 1967-12-05
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Expires: 1985-03-31
Abstract
No abstract record available.
Inventors
- 👤 Edgar B Romberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:01
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/13; G01P15/132; G01P15/0891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN COMBINATION: A PIVOTAL ELEMENT HAVING AN INERTIAL MASS MOUNTED THEREON ADAPTED TO MOVE IN RESPONSE TO ACCELERATION; MEANS FOR DETECTING DEFLECTION OF SAID PIVOTAL ELEMENT FROM A REFERENCE POSITION; ELECTROMAGNETIC MEANS DISPOSED TO APPLY FORCE TO SAID PIVOTAL ELEMENT; MEANS RESPONSIVE TO SAID DETECTING MEANS IN RESPONSE TO DEFLECTION OF SAID PIVOTAL ELEMENT FOR APPLYING A SIGNAL TO SAID ELECTROMAGNETIC MEANS TO RESTORE SAID PIVOTAL ELEMENT TO SAID REFERENCE POSITION, THE MAGNITUDE OF SAID SIGNAL BEING A FUNCTION OF THE AMOUNT OF DEFLECTION OF SAID PIVOTAL ELEMENT; AND MEANS RESPONSIVE TO THE MAGNITUDE OF SAID SIGNAL REACHING A PREDETERMINED LEVEL FOR GENERATING A PULSE TO CANCEL SAID SIGNAL, WHEREBY SAID PULSE FORMS A DIGITAL OUTPUT WHICH IS A MEASURE OF THE TIME INTEGRAL OF FORCE APPLIED TO SAID PIVOTAL ELEMENT.
Claim 2
Dependent Claim
131 words
IN COMBINATION: A PIVOTAL ELEMENT HAVING AN INERTIAL MASS MOUNTED THEREON ADAPTED TO MOVE IN RESPONSE TO ACCELERATION; MEANS FOR DETECTING DEFLECTION OF SAID PIVOTAL ELEMENT FROM A REFERENCE POSITION; ELECTROMAGNETIC MEANS DISPOSED TO APPLY FORCE TO SAID PIVOTAL ELEMENT; MEANS RESPONSIVE TO SAID DETECTING MEANS IN RESPONSE TO DEFLECTION OF SAID PIVOTAL ELEMENT FOR APPLYING A SIGNAL TO SAID ELECTROMAGNETIC MEANS TO RESTORE SAID PIVOTAL ELEMENT TO SAID REFERENCE POSITION, THE MAGNITUDE OF SAID SIGNAL BEING A FUNCTION OF THE AMOUNT OF DEFLECTION OF SAID PIVOTAL ELEMENT; AND MEANS RESPONSIVE TO THE MAGNITUDE OF SAID SIGNAL REACHING A PREDETERMINED LEVEL FOR GENERATING A PULSE TO CANCEL SAID SIGNAL, WHEREBY SAID PULSE FORMS A DIGITAL OUTPUT WHICH IS A MEASURE OF THE TIME INTEGRAL OF FORCE APPLIED TO SAID PIVOTAL ELEMENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |