US3269024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for aligning an axis on a gimbaled platform
Assignee: North American Aviation Corp
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Filing: 1961-12-20
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Granted: 1966-08-30
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Expires: 1981-12-20
Abstract
No abstract record available.
Inventors
- 👤 John J Fischer
- 👤 Frank M Pelteson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:41
CPC Classifications
G; G01; G01C; G01C25/00; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1221; Y10T74/18; Y10T74/18856
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A METHOD FOR ALIGNING A FIRST PREDETERMINED AXIS WHOSE DIRECTION IS KNOWN RELATIVE TO A PLATFORM WITH A SECOND PREDETERMINED AXIS WHOSE DIRECTION IS KNOWN WITH RESPECT TO THE EARTH, SAID PLATFORM BEING GIMBALED WITH RESPECT TO THE EARTH ON AT LEAST THREE BIMBALS HAVING A NON-VERTICAL OUTER AXIS, A HORIZONTAL CROSS-LEVEL AXIS, AND AN INNER AXIS PERPENDICULAR TO SAID CROSS-LEVEL AXIS, SAID PLATFORM HAVING AN X, Y, Z ORTHOGONAL COORDINATE SYSTEM FIXED THEREON WITH THE Z AXIS ALIGNED WITH THE INNER AXIS COMPRISING THE STEPS OF: LEVELING THE XY PLANE OF SAID PLATFORM; MEASURING THE ANGLE ABOUT SAID INNER AXIS BETWEEN THE Y-AXIS OF SAID X, Y, Z COORDINATE SYSTEM AND THE CROSS-LEVEL AXIS WHEN SAID Y AXIS IS LEVEL; DETERMINING THE AZIMUTH OF SAID CROSS-LEVEL AXIS WITH RESPECT TO SAID SECOND PREDETERMINED AXIS; COMPUTING THE FACTORS C AND P FROM THE FOLLOWING MATRIX EQUATION
Claim 2
Independent Claim
146 words
A METHOD FOR ALIGNING A FIRST PREDETERMINED AXIS WHOSE DIRECTION IS KNOWN RELATIVE TO A PLATFORM WITH A SECOND PREDETERMINED AXIS WHOSE DIRECTION IS KNOWN WITH RESPECT TO THE EARTH, SAID PLATFORM BEING GIMBALED WITH RESPECT TO THE EARTH ON AT LEAST THREE BIMBALS HAVING A NON-VERTICAL OUTER AXIS, A HORIZONTAL CROSS-LEVEL AXIS, AND AN INNER AXIS PERPENDICULAR TO SAID CROSS-LEVEL AXIS, SAID PLATFORM HAVING AN X, Y, Z ORTHOGONAL COORDINATE SYSTEM FIXED THEREON WITH THE Z AXIS ALIGNED WITH THE INNER AXIS COMPRISING THE STEPS OF: LEVELING THE XY PLANE OF SAID PLATFORM; MEASURING THE ANGLE ABOUT SAID INNER AXIS BETWEEN THE Y-AXIS OF SAID X, Y, Z COORDINATE SYSTEM AND THE CROSS-LEVEL AXIS WHEN SAID Y AXIS IS LEVEL; DETERMINING THE AZIMUTH OF SAID CROSS-LEVEL AXIS WITH RESPECT TO SAID SECOND PREDETERMINED AXIS; COMPUTING THE FACTORS C AND P FROM THE FOLLOWING MATRIX EQUATION
References Cited (Backward Citations)
US3104545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |