US3116468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spherical coordinate proportional control device
Assignee: General Electric Co
•
Filing: 1960-10-13
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Granted: 1963-12-31
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Expires: 1980-10-13
Abstract
No abstract record available.
Inventors
- 👤 Donald W Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:23
CPC Classifications
B; B25; B25J; B25J13/00; B25J13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A MOTION SENSING DEVICE COMPRISING MEANS FOR PROVIDING A SYMMETRICAL MAGNETIC FIELD, A ROTATABLE SPHERE COMPOSED OF MATERIAL FOR COOPERATING WITH SAID MAGNETIC FIELD AND POSITIONED TO FORM A PART OF THE MAGNETIC CIRCUIT OF SAID MAGNETIC FIELD, MEANS FOR SUPPORTING SAID SPHERE TO PERMIT 360* ROTATION ABOUT ANY AND ALL AXES THROUGH THE CENTER OF SAID SPHERE, MEANS FOR DETECTING SAID MAGNETIC FIELD INCLUDING A COIL PLACED IN A POSITION WHICH IS MAGNETICALLY NEUTRAL WHEN SAID ROTATABLE SPHERE IS AT REST, SAID MEANS FOR DETECTING SERVING TO DETECT NON-SYMMETRICAL DISTORTION OF SAID MAGNETIC FIELD DUE TO LINEAR MOTION OF THE SURFACE OF SAID ROTATABLE SPHERE DURING A ROTATIONAL PERIOD AND TO GENERATE A SIGNAL IN PROPORTION TO A COMPONENT OF SAID LINEAR MOTION.
Claim 2
Dependent Claim
124 words
A MOTION SENSING DEVICE COMPRISING MEANS FOR PROVIDING A SYMMETRICAL MAGNETIC FIELD, A ROTATABLE SPHERE COMPOSED OF MATERIAL FOR COOPERATING WITH SAID MAGNETIC FIELD AND POSITIONED TO FORM A PART OF THE MAGNETIC CIRCUIT OF SAID MAGNETIC FIELD, MEANS FOR SUPPORTING SAID SPHERE TO PERMIT 360* ROTATION ABOUT ANY AND ALL AXES THROUGH THE CENTER OF SAID SPHERE, MEANS FOR DETECTING SAID MAGNETIC FIELD INCLUDING A COIL PLACED IN A POSITION WHICH IS MAGNETICALLY NEUTRAL WHEN SAID ROTATABLE SPHERE IS AT REST, SAID MEANS FOR DETECTING SERVING TO DETECT NON-SYMMETRICAL DISTORTION OF SAID MAGNETIC FIELD DUE TO LINEAR MOTION OF THE SURFACE OF SAID ROTATABLE SPHERE DURING A ROTATIONAL PERIOD AND TO GENERATE A SIGNAL IN PROPORTION TO A COMPONENT OF SAID LINEAR MOTION.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |