Patent US2907451A successfully refreshed from Google Patents.
Patent US3118084A successfully refreshed from Google Patents.
US3118084A
Expired / Lapsed
US
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Vertical deflection arrangement
Assignee: General Electric Co
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Filing: 1962-06-29
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Granted: 1964-01-14
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Expires: 1982-06-29
Abstract
No abstract record available.
Inventors
- 👤 Svend E Havn
- 👤 Mooshi R Namordi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:36
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/12; H01J31/123; H01J31/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN AN IMAGE DISPLAY DEVICE, A TARGET AREA CAPABLE OF PRODUCING AN IMAGE WHEN SCANNED BY A BEAM OF ELECTRONS, MEANS FOR APPLYING A POTENTIAL TO SAID TARGET, DEFLECTION MEANS SPACED OPPOSITE AND EXTENDING ALONG SAID TARGET CAPABLE OF PROVIDING SCANSION OF A BEAM OF ELECTRONS OVER AN AREA OF SAID TARGET, SAID DEFLECTION MEANS INCLUDING GRADIENT MEANS FOR ESTABLISHING A POTENTIAL GRADIENT ALONG AT LEAST A PORTION OF SAID DEFLECTION MEANS, MEANS FOR APPLYING A VARIABLE DEFLECTION VOLTAGE WAVE TO SAID DEFLECTION MEANS WHICH ESTABLISHES ONE EXTREMITY OF SAID GRADIENT MEANS AT A VARYING POTENTIAL IN ACCORDANCE WITH SAID DEFLECTION VOLTAGE WAVE, AND MEANS FOR ESTABLISHING THE OTHER EXTREMITY OF SAID GRADIENT MEANS AT A CONTINUOUSLY VARYING POTENTIAL OF A WAVEFORM HAVING A SMALLER MAGNITUDE AND BEING PROPORTIONAL TO THAT OF SAID DEFLECTION VOLTAGE WAVE.
Claim 2
Dependent Claim
136 words
IN AN IMAGE DISPLAY DEVICE, A TARGET AREA CAPABLE OF PRODUCING AN IMAGE WHEN SCANNED BY A BEAM OF ELECTRONS, MEANS FOR APPLYING A POTENTIAL TO SAID TARGET, DEFLECTION MEANS SPACED OPPOSITE AND EXTENDING ALONG SAID TARGET CAPABLE OF PROVIDING SCANSION OF A BEAM OF ELECTRONS OVER AN AREA OF SAID TARGET, SAID DEFLECTION MEANS INCLUDING GRADIENT MEANS FOR ESTABLISHING A POTENTIAL GRADIENT ALONG AT LEAST A PORTION OF SAID DEFLECTION MEANS, MEANS FOR APPLYING A VARIABLE DEFLECTION VOLTAGE WAVE TO SAID DEFLECTION MEANS WHICH ESTABLISHES ONE EXTREMITY OF SAID GRADIENT MEANS AT A VARYING POTENTIAL IN ACCORDANCE WITH SAID DEFLECTION VOLTAGE WAVE, AND MEANS FOR ESTABLISHING THE OTHER EXTREMITY OF SAID GRADIENT MEANS AT A CONTINUOUSLY VARYING POTENTIAL OF A WAVEFORM HAVING A SMALLER MAGNITUDE AND BEING PROPORTIONAL TO THAT OF SAID DEFLECTION VOLTAGE WAVE.
References Cited (Backward Citations)
US2880365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |