Patent US3140482A successfully refreshed from Google Patents.
US3140482A
Expired / Lapsed
US
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System providing error rate damping of an autonavigator
Assignee: North American Aviation Corp
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Filing: 1954-06-07
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Granted: 1964-07-07
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Expires: 1974-06-07
Abstract
No abstract record available.
Inventors
- 👤 Donal B Duncan
- 👤 Jr Jerome L Henry
- 👤 Stanford D Blitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:41
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/18; G; G01; G01C; G01C21/00; G01C21/10; G01C21/12; G01C21/16; G01C21/165; G01C21/1652
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
100 words
IN AN AUTONAVIGATOR COMPRISING A PLATFORM ELEMENT STABILIZED IN A PRESCRIBED ORIENTATION IN PITCH, ROLL, AND AZIMUTH, ACCELERATION-SENSITIVE MEANS DISPOSED UPON SAID ELEMENT; MEANS RESPONSIVE TO SAID ACCELERATION-SENSITIVE MEANS TO COMPUTE VELOCITIES IN THE PRESCRIBED ORIENTATION OF SAID STABILIZED ELEMENT, NON-INERTIAL MEANS FOR DETERMINING AUTONAVIGATOR VELOCITY WITH RESPECT TO THE GROUND IN THE PITCH AND ROLL PLANE OF SAID ACCELERATION-SENSITIVE MEANS, MEANS FOR COMPARING THE VELOCITY AND DIRECTION AS DETERMINED BY SAID NON-INERTIAL WITH THAT DETERMINED BY THE AUTONAVIGATOR, AND MEANS FOR CORRECTING THE DIRECTION AND VELOCITY AS DETERMINED BY THE AUTONAVIGATOR ACCORDING TO THE OUTPUT OF SAID COMPARISON MEANS.
Claim 2
Dependent Claim
100 words
IN AN AUTONAVIGATOR COMPRISING A PLATFORM ELEMENT STABILIZED IN A PRESCRIBED ORIENTATION IN PITCH, ROLL, AND AZIMUTH, ACCELERATION-SENSITIVE MEANS DISPOSED UPON SAID ELEMENT; MEANS RESPONSIVE TO SAID ACCELERATION-SENSITIVE MEANS TO COMPUTE VELOCITIES IN THE PRESCRIBED ORIENTATION OF SAID STABILIZED ELEMENT, NON-INERTIAL MEANS FOR DETERMINING AUTONAVIGATOR VELOCITY WITH RESPECT TO THE GROUND IN THE PITCH AND ROLL PLANE OF SAID ACCELERATION-SENSITIVE MEANS, MEANS FOR COMPARING THE VELOCITY AND DIRECTION AS DETERMINED BY SAID NON-INERTIAL WITH THAT DETERMINED BY THE AUTONAVIGATOR, AND MEANS FOR CORRECTING THE DIRECTION AND VELOCITY AS DETERMINED BY THE AUTONAVIGATOR ACCORDING TO THE OUTPUT OF SAID COMPARISON MEANS.
Claim 3
Dependent Claim
14 words
IN AN AUTONAVIGATOR COMPRISING INERTIAL MEANS SENSITIVE TO ACCELERATION, MEANS FOR DETERMINING THE VELOCITY
Claim 4
Dependent Claim
14 words
IN AN AUTONAVIGATOR COMPRISING INERTIAL MEANS SENSITIVE TO ACCELERATION, MEANS FOR DETERMINING THE VELOCITY
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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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |