US3188639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Satellite stabilization and attitude control
Assignee: AT&T Inc
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Filing: 1961-09-29
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Granted: 1965-06-08
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Expires: 1981-09-29
Abstract
No abstract record available.
Inventors
- 👤 John S Cook
- 👤 Warren E Danielson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:18
CPC Classifications
B; B64; B64G; B64G1/00; B64G1/22; B64G1/24; B64G1/32; B64G1/28; B64G1/283; B64G1/285
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A COMMUNICATIONS SATELLITE COMPRISING A MAGNET MOUNTED WITHIN SAID A SATELLITE AND HAVING A MAGNET AXIS WHICH TENDS TO ALIGN ITSELF WITH THE GEOMAGNETIC FIELD OF THE EARTH, A WHEEL OF SIGNIFICANT MASS SUPPORTED WITHIN SAID SATELLITE AND BEING DRIVEN ABOUT AN AXIS NORMAL TO SAID MAGNETIC AXIS TO PRODUCE A GYROSCOPIC TORQUE THAT TENDS TO ALING THE AXIS OF SAID WHEEL ITH RESPECT TO THE TORQUE PRODUCED BY SAID MAGNET AS IT ALIGNS ITSELF WITH SAID GEOMAGNETIC FIELD, A HIGHLY DIRECTIVE ANTENNA FOR SAID SATELLITE SUPPORTED FOR MOVEMENT ABOUT THE AXIS OF SAID WHEEL, AND MEANS FOR MOVING SAID ANTENNA RELATIVE TO SAID MAGNET ABOUT THE AXIS OF SAID WHEEL.
Claim 2
Dependent Claim
111 words
A COMMUNICATIONS SATELLITE COMPRISING A MAGNET MOUNTED WITHIN SAID A SATELLITE AND HAVING A MAGNET AXIS WHICH TENDS TO ALIGN ITSELF WITH THE GEOMAGNETIC FIELD OF THE EARTH, A WHEEL OF SIGNIFICANT MASS SUPPORTED WITHIN SAID SATELLITE AND BEING DRIVEN ABOUT AN AXIS NORMAL TO SAID MAGNETIC AXIS TO PRODUCE A GYROSCOPIC TORQUE THAT TENDS TO ALING THE AXIS OF SAID WHEEL ITH RESPECT TO THE TORQUE PRODUCED BY SAID MAGNET AS IT ALIGNS ITSELF WITH SAID GEOMAGNETIC FIELD, A HIGHLY DIRECTIVE ANTENNA FOR SAID SATELLITE SUPPORTED FOR MOVEMENT ABOUT THE AXIS OF SAID WHEEL, AND MEANS FOR MOVING SAID ANTENNA RELATIVE TO SAID MAGNET ABOUT THE AXIS OF SAID WHEEL.
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) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |