US3242744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Satellite vertical reference system
Assignee: General Precision Inc
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Filing: 1962-02-26
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Granted: 1966-03-29
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Expires: 1982-02-26
Abstract
No abstract record available.
Inventors
- 👤 Eduard M Fischel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:55
CPC Classifications
B; B64; B64G; B64G1/00; B64G1/22; B64G1/24; B64G1/36; B64G1/365; G; G01; G01C; G01C21/00; G01C21/10; G01C21/12; G01C21/16; G01C21/165; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1218; Y10T74/1221; Y10T74/1229; Y10T74/1232
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A PLATFORM ARRANGEMENT USED FOR GYROCOMPASSING BOARD A SPACE SATELLITE ORBITING THE EARTH, SAID PLATFORM ARRANGEMENT INCLUDING AZIMUTH AND EAST-WEST GYROS AND A HORIZON TRACTER FOR SUPPLYING COURSE VERTICAL REFERENCE INFORMATION, A PORTION OF WHICH IS UTILIZED TO TORQUE THE AZIMUTH AND EAST-WEST GYROS, THE IMPROVEMENT THEREIN, TO IMPROVE THE VERTICAL REFERENCE INFORMATION SUPPLIED, COMPRISING, IN COMBINATION, A FREELY ROTATING SECOND AZIMUTH GYRO, SECOND AZIMUTH GYRO PICK-OFF MEANS SENSING ANY PLATFORM ROLL, AND HORIZONTAL TRACKER ERROR CORRECTION MEANS COUPLED TO SAID HORIZON TRACKER, THE OUTPUT OF SAID PICK-OFF MEANS BEING FED TO SAID CORRECTION MEANS TO BIAS OUT ANY ERROR IN THE HORIZON TRACKER INFORMATION.
Claim 2
Dependent Claim
106 words
IN A PLATFORM ARRANGEMENT USED FOR GYROCOMPASSING BOARD A SPACE SATELLITE ORBITING THE EARTH, SAID PLATFORM ARRANGEMENT INCLUDING AZIMUTH AND EAST-WEST GYROS AND A HORIZON TRACTER FOR SUPPLYING COURSE VERTICAL REFERENCE INFORMATION, A PORTION OF WHICH IS UTILIZED TO TORQUE THE AZIMUTH AND EAST-WEST GYROS, THE IMPROVEMENT THEREIN, TO IMPROVE THE VERTICAL REFERENCE INFORMATION SUPPLIED, COMPRISING, IN COMBINATION, A FREELY ROTATING SECOND AZIMUTH GYRO, SECOND AZIMUTH GYRO PICK-OFF MEANS SENSING ANY PLATFORM ROLL, AND HORIZONTAL TRACKER ERROR CORRECTION MEANS COUPLED TO SAID HORIZON TRACKER, THE OUTPUT OF SAID PICK-OFF MEANS BEING FED TO SAID CORRECTION MEANS TO BIAS OUT ANY ERROR IN THE HORIZON TRACKER INFORMATION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |