Patent US3131569A successfully refreshed from Google Patents.
US3131569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gyroscopic apparatus
Assignee: Unisys Corp
•
Filing: 1961-01-30
•
Granted: 1964-05-05
•
Expires: 1981-01-30
Abstract
No abstract record available.
Inventors
- 👤 Gene G Gaye
- 👤 Noel E Maniere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:27
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/34; G01C19/36; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1221
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A GYROSCOPIC DEVICE COMPRISING A PAIR OF GYROSCOPES, EACH GYROSCOPE BEING MOUNTED FOR UNIVERSAL MOVEMENT BY MEANS OF A GIMBAL STRUCTURE, EACH GYROSCOPE HAVING AT LEAST ONE REFERENCE AXIS NORMALLY ORIENTED SUBSTANTIALLY PERPENDICULAR WITH RESPECT TO THE CORRESPONDING REFERENCE AXIS OF THE OTHER GYROSCOPE, EACH GYROSCOPE INCLUDING MEANS RESPONSIVE TO THE MOVEMENTS OF ITS REFERENCE AXIS FOR PROVIDING A SIGNAL REPRESENTATIVE THEREOF, SAID GIMBAL STRUCTURE INTRODUCING AN ERROR IN SAID SIGNALS WHEN SAID GYROS ARE SUBJECTED TO TILT, SAID REFERENCE AXES BEING ORIENTED PERPENDICULAR WITH RESPECT TO EACH OTHER WHEREBY SAID ERRORS ARE SUBSTANTIALLY EQUAL IN AMPLITUDE AND OPPOSITE IN SENSE WITH RESPECT TO EACH OTHER, AND MEANS RESPONSIVE TO SAID SIGNALS FOR PROVIDING A SIGNAL REPRESENTATIVE OF THE AVERAGE THEREOF WHEREBY A REFERENCE MEASURE IS PROVIDED WHICH IS THE AVERAGE OF THE POSITIONS OF SAID REFERENCE AXES AND SUBSTANTIALLY FREE OF ERROR.
Claim 2
Dependent Claim
143 words
A GYROSCOPIC DEVICE COMPRISING A PAIR OF GYROSCOPES, EACH GYROSCOPE BEING MOUNTED FOR UNIVERSAL MOVEMENT BY MEANS OF A GIMBAL STRUCTURE, EACH GYROSCOPE HAVING AT LEAST ONE REFERENCE AXIS NORMALLY ORIENTED SUBSTANTIALLY PERPENDICULAR WITH RESPECT TO THE CORRESPONDING REFERENCE AXIS OF THE OTHER GYROSCOPE, EACH GYROSCOPE INCLUDING MEANS RESPONSIVE TO THE MOVEMENTS OF ITS REFERENCE AXIS FOR PROVIDING A SIGNAL REPRESENTATIVE THEREOF, SAID GIMBAL STRUCTURE INTRODUCING AN ERROR IN SAID SIGNALS WHEN SAID GYROS ARE SUBJECTED TO TILT, SAID REFERENCE AXES BEING ORIENTED PERPENDICULAR WITH RESPECT TO EACH OTHER WHEREBY SAID ERRORS ARE SUBSTANTIALLY EQUAL IN AMPLITUDE AND OPPOSITE IN SENSE WITH RESPECT TO EACH OTHER, AND MEANS RESPONSIVE TO SAID SIGNALS FOR PROVIDING A SIGNAL REPRESENTATIVE OF THE AVERAGE THEREOF WHEREBY A REFERENCE MEASURE IS PROVIDED WHICH IS THE AVERAGE OF THE POSITIONS OF SAID REFERENCE AXES AND SUBSTANTIALLY FREE OF ERROR.
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |