US3237887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inertial guidance system
Assignee: Motors Liquidation Co
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Filing: 1959-11-27
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Granted: 1966-03-01
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Expires: 1979-11-27
Abstract
No abstract record available.
Inventors
- 👤 Calvin M Theiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:19
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/10; G01C21/12; G01C21/16; G01C21/183; G01C21/185; G01C25/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
AN INERTIAL GUIDANCE SYSTEM FOR VEHICLES; A VEHICLE DEFINING THREE MUTUALLY ORTHOGONAL VEHICLE AXES, AN INITIAL CONDITIONS COMPUTER DEFINING A SET OF INERTIAL REFERENCE COORDINATE AXES, A SET OF THREE ANGULAR ACCELEROMETERS HAVING THEIR INPUT AXES FIXEDLY ALIGNED WITH RESPECTIVE VEHICLE AXES AND DEVELOPING OUTPUT SIGNALS CORRESPONDING TO ANGULAR ACCELERATION ABOUT THE RESPECTIVE VEHICLE AXIS, CONVERTER AND INTEGRATOR MEANS CONNECTED WITH THE ANGULAR ACCELEROMETERS AND THE INITIAL CONDITIONS COMPUTER FOR DEVELOPING OUTPUT SIGNALS CORRESPONDING TO THE RESPECTIVE EULERIAN ANGLES RELATING THE VEHICLE AXES TO THE INERTIAL AXES, A SET OF THREE LINEAR ACCELEROMETERS HAVING THEIR INPUT AXES FIXEDLY ALIGNED WITH RESPECTIVE VEHICLE AXES AND DEVELOPING OUTPUT SIGNALS CORRESPONDING TO LINEAR ACCELERATIONS ALONG THE VEHICLES AXES, AN ACCELERATION CONVERTER CONNECTED WITH THE LINEAR ACCELEROMETERS AND WITH THE CONVERTER AND INTEGRATOR MEANS FOR RESOLVING THE LINEAR ACCELERATION SIGNALS THROUGH THE EULERIAN ANGLES TO DEVELOP OUTPUT SIGNALS CORRESPONDING TO THE LINEAR ACCELERATIONS WITH RESPECT TO THE INERTIAL REFERENCE COORDINATE AXES.
Claim 2
Dependent Claim
157 words
AN INERTIAL GUIDANCE SYSTEM FOR VEHICLES; A VEHICLE DEFINING THREE MUTUALLY ORTHOGONAL VEHICLE AXES, AN INITIAL CONDITIONS COMPUTER DEFINING A SET OF INERTIAL REFERENCE COORDINATE AXES, A SET OF THREE ANGULAR ACCELEROMETERS HAVING THEIR INPUT AXES FIXEDLY ALIGNED WITH RESPECTIVE VEHICLE AXES AND DEVELOPING OUTPUT SIGNALS CORRESPONDING TO ANGULAR ACCELERATION ABOUT THE RESPECTIVE VEHICLE AXIS, CONVERTER AND INTEGRATOR MEANS CONNECTED WITH THE ANGULAR ACCELEROMETERS AND THE INITIAL CONDITIONS COMPUTER FOR DEVELOPING OUTPUT SIGNALS CORRESPONDING TO THE RESPECTIVE EULERIAN ANGLES RELATING THE VEHICLE AXES TO THE INERTIAL AXES, A SET OF THREE LINEAR ACCELEROMETERS HAVING THEIR INPUT AXES FIXEDLY ALIGNED WITH RESPECTIVE VEHICLE AXES AND DEVELOPING OUTPUT SIGNALS CORRESPONDING TO LINEAR ACCELERATIONS ALONG THE VEHICLES AXES, AN ACCELERATION CONVERTER CONNECTED WITH THE LINEAR ACCELEROMETERS AND WITH THE CONVERTER AND INTEGRATOR MEANS FOR RESOLVING THE LINEAR ACCELERATION SIGNALS THROUGH THE EULERIAN ANGLES TO DEVELOP OUTPUT SIGNALS CORRESPONDING TO THE LINEAR ACCELERATIONS WITH RESPECT TO THE INERTIAL REFERENCE COORDINATE AXES.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |