Patent US3213190A successfully refreshed from Google Patents.
US3213190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color balance control for a single gun color television receiver
Assignee: Lanteris Space LLC
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Filing: 1960-05-09
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Granted: 1965-10-19
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Expires: 1980-05-09
Abstract
No abstract record available.
Inventors
- 👤 Carl E Mutschler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:36
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/22; H04N9/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
IN A COLOR TELEVISION RECEIVER FOR RECEPTION OF A COMPOSITE COLOR SIGNAL HVAING LUMINANCE AND CHROMINANCE COMPONENT SIGNALS, SAID RECEIVER INCLUDING A CATHODE RAY TUBE IN WHICH SUCCESSIVE GROUPS OF SERIES OF COLORED LIGHT-EMISSIVE PHOSPHOR ELEMENTS ARE SUCCESSIVELY IMPINGED BY AN ELECTRON BEAM WHICH IS MODULATED BY A COLOR WRITING SIGNAL PRODUCED FROM SAID CHROMINANCE SIGNAL, AT LEAST ONE OF THE PHOSPHOR ELEMENTS IN EACH OF SAID SERIES INHERENTLY HAVING A DIFFERENT EFFICIENCY THAN THE OTHERS WHICH MILITATES AGAINST COLOR BALANCE AND FAITHFUL REPRODUCTION OF THE COLOR IMAGE, MEANS FOR PRODUCING A COMPENSATING SIGNAL HAVING A FREQUENCY CORRESPONDING TO THE RATE OF BEAM TRAVERSAL OF SAID SERIES, MEANS FOR ADJUSTING THE PHASE OF SAID COMPENSATING SIGNAL, MEANS FOR MODULATING SAID COMPENSATING SIGNAL WITH AID LUMINANCE SIGNAL, AND MEANS FOR UTILIZING THE MODULATED COMPENSATING SIGNAL TO VARY THE INTENSITY OF SAID BEAM, AS IT TRAVERSES THE PHOSPHOR ELEMENTS OF EACH OF SAID SERIES, IN A MANNER SUBSTANTIALLY TO COMPENSATE FOR THE DIFFERNET EFFICIENCIES OF SAID ELEMENTS AT ALL LEVELS OF BRIGHTNESS.
Claim 2
Dependent Claim
170 words
IN A COLOR TELEVISION RECEIVER FOR RECEPTION OF A COMPOSITE COLOR SIGNAL HVAING LUMINANCE AND CHROMINANCE COMPONENT SIGNALS, SAID RECEIVER INCLUDING A CATHODE RAY TUBE IN WHICH SUCCESSIVE GROUPS OF SERIES OF COLORED LIGHT-EMISSIVE PHOSPHOR ELEMENTS ARE SUCCESSIVELY IMPINGED BY AN ELECTRON BEAM WHICH IS MODULATED BY A COLOR WRITING SIGNAL PRODUCED FROM SAID CHROMINANCE SIGNAL, AT LEAST ONE OF THE PHOSPHOR ELEMENTS IN EACH OF SAID SERIES INHERENTLY HAVING A DIFFERENT EFFICIENCY THAN THE OTHERS WHICH MILITATES AGAINST COLOR BALANCE AND FAITHFUL REPRODUCTION OF THE COLOR IMAGE, MEANS FOR PRODUCING A COMPENSATING SIGNAL HAVING A FREQUENCY CORRESPONDING TO THE RATE OF BEAM TRAVERSAL OF SAID SERIES, MEANS FOR ADJUSTING THE PHASE OF SAID COMPENSATING SIGNAL, MEANS FOR MODULATING SAID COMPENSATING SIGNAL WITH AID LUMINANCE SIGNAL, AND MEANS FOR UTILIZING THE MODULATED COMPENSATING SIGNAL TO VARY THE INTENSITY OF SAID BEAM, AS IT TRAVERSES THE PHOSPHOR ELEMENTS OF EACH OF SAID SERIES, IN A MANNER SUBSTANTIALLY TO COMPENSATE FOR THE DIFFERNET EFFICIENCIES OF SAID ELEMENTS AT ALL LEVELS OF BRIGHTNESS.
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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |