US3117258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toroidal deflection yoke winding
Assignee: General Electric Co
•
Filing: 1962-02-08
•
Granted: 1964-01-07
•
Expires: 1982-02-08
Abstract
No abstract record available.
Inventors
- 👤 Alford E Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:53
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/70; H01J29/72; H01J29/76; H01J29/766
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A DEFLECTION YOKE FOR A CATHODE RAY TUBE COMPRISING: A CORE OF FERROMAGNETIC MATERIAL HAVING A LENGTH, AN ANNULAR OUTER SURFACE, AN ANNULAR INNER SURFACE, SAID INNER SURFACE DEFINING A CAVITY EXTENDING LONGITUDINALLY THROUGH SAID CORE FROM A FIRST APERTURE AT ONE EXTREME OF SAID LENGTH TO A SECOND APERTURE AT ANOTHER EXTREME OF SAID LENGTH, A HORIZONTAL DEFLECTION COIL AND A VERTICAL DEFLECTION COIL, ONE OF SAID DEFLECTION COILS HAVING A PLURALITY OF WIRE TURNS WOUND ABOUT SAID CORE, EACH OF SAID WIRE TURNS CIRCUMSCRIBING SAID INNER AND OUTER SURFACES AND HAVING A SEGMENT EXTENDING THROUGH SAID CAVITY, SAID ONE DEFLECTION COIL HAVING TURNS OF WIRE WHICH ARE WOUND SUCCESIVELY IN THE GENERAL DIRECTION OF COIL WINDING ADVANCEMENT SEPARATED BY A FIRST AZIMUTHAL ANGLE $1 AT SAID FIRST APERTURE AND SEPARATED BY A CORRESPONDING SECOND AZIMUTHAL ANGLE $2 AT SAID SECOND APERTURE, SAID FIRST AND SECOND AZIMUTHAL ANGLES HAVING THE RELATION
Claim 2
Dependent Claim
152 words
A DEFLECTION YOKE FOR A CATHODE RAY TUBE COMPRISING: A CORE OF FERROMAGNETIC MATERIAL HAVING A LENGTH, AN ANNULAR OUTER SURFACE, AN ANNULAR INNER SURFACE, SAID INNER SURFACE DEFINING A CAVITY EXTENDING LONGITUDINALLY THROUGH SAID CORE FROM A FIRST APERTURE AT ONE EXTREME OF SAID LENGTH TO A SECOND APERTURE AT ANOTHER EXTREME OF SAID LENGTH, A HORIZONTAL DEFLECTION COIL AND A VERTICAL DEFLECTION COIL, ONE OF SAID DEFLECTION COILS HAVING A PLURALITY OF WIRE TURNS WOUND ABOUT SAID CORE, EACH OF SAID WIRE TURNS CIRCUMSCRIBING SAID INNER AND OUTER SURFACES AND HAVING A SEGMENT EXTENDING THROUGH SAID CAVITY, SAID ONE DEFLECTION COIL HAVING TURNS OF WIRE WHICH ARE WOUND SUCCESIVELY IN THE GENERAL DIRECTION OF COIL WINDING ADVANCEMENT SEPARATED BY A FIRST AZIMUTHAL ANGLE $1 AT SAID FIRST APERTURE AND SEPARATED BY A CORRESPONDING SECOND AZIMUTHAL ANGLE $2 AT SAID SECOND APERTURE, SAID FIRST AND SECOND AZIMUTHAL ANGLES HAVING THE RELATION
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) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |