US3339016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color display system
Assignee: Texas Instruments Inc
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Filing: 1965-04-26
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Granted: 1967-08-29
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Expires: 1985-04-26
Abstract
No abstract record available.
Inventors
- 👤 Jerry D Merryman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:37
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
224 words
A COLOR DISPLAY SYSTEM RESPONSIVE TO LUMINANCE INFORMATION AND CHROMINANCE INFORMATION COMPRISING: A VIEWING SCREEN INCLUDING A FIRST PHOSPHOR WHICH WHEN ENERGIZED BY AN ELECTRON BEAM EMITS LIGHT OF A FIRST HUE, THE EMITTED LIGHT VARYING IN BRIGHTNESS AS A FIRST PREDETERMINED FUNCTION OF BEAM ELECTRON ENERGY, AND A SECOND PHOSPHOR WHICH WHEN ENERGIZED BY AN ELECTRON BEAM EMITS LIGHT OF A SECOND, DIFFERENT HUE, THE BRIGHTNESS OF THE LIGHT EMITTED BY SAID SECOND PHOSPHOR VARYING AS A SECOND PREDETERMINED FUNCTION OF BEAM ELECTRON ENERGY, SAID SECOND FUNCTION DIFFERING SUBSTANTIALLY FROM SAID FIRST FUNCTION OVER AT LEAST A PREDETERMINED RANGE OF BEAM ELECTRON ENERGIES; ELECTRON BEAM GUN MEANS FOR SCANNING SAID SCREEN WITH A BEAM OF ELECTRONS THEREBY TO ENERGIZE SAID PHOSPHORS; MEANS FOR MODULATING THE INTENSITY OF SAID ELECTRON BEAM AS A FUNCTION OF SAID LUMINANCE INFORMATION THEREBY TO VARY THE BRIGHTNESS OF THE LIGHT EMITTED BY SAID PHOSPHORS; AND MEANS FOR APPLYING AN ELECTRON ACCELERATING VOLTAGE BETWEEN SAID GUN AND SAID SCREEN AND FOR MODULATING SAID VOLTAGE TO VARY BEAM ELECTRON ENERGIES OVER SAID RANGE AS A FUNCTION OF SAID CHROMINANCE INFORMATION THEREBY TO VARY THE COLOR OF THE LIGHT EMITTED BY SAID PHOSPHORS WHEREBY AN IMAGE IS PRODUCED ON SAID SCREEN, THE VARIATIONS IN BRIGHTNESS AND COLOR OF WHICH ARE A FUNCTION OF SAID LUMINANCE INFORMATION AND SAID CHROMINANCE INFORMATION RESPECTIVELY.
Claim 2
Dependent Claim
224 words
A COLOR DISPLAY SYSTEM RESPONSIVE TO LUMINANCE INFORMATION AND CHROMINANCE INFORMATION COMPRISING: A VIEWING SCREEN INCLUDING A FIRST PHOSPHOR WHICH WHEN ENERGIZED BY AN ELECTRON BEAM EMITS LIGHT OF A FIRST HUE, THE EMITTED LIGHT VARYING IN BRIGHTNESS AS A FIRST PREDETERMINED FUNCTION OF BEAM ELECTRON ENERGY, AND A SECOND PHOSPHOR WHICH WHEN ENERGIZED BY AN ELECTRON BEAM EMITS LIGHT OF A SECOND, DIFFERENT HUE, THE BRIGHTNESS OF THE LIGHT EMITTED BY SAID SECOND PHOSPHOR VARYING AS A SECOND PREDETERMINED FUNCTION OF BEAM ELECTRON ENERGY, SAID SECOND FUNCTION DIFFERING SUBSTANTIALLY FROM SAID FIRST FUNCTION OVER AT LEAST A PREDETERMINED RANGE OF BEAM ELECTRON ENERGIES; ELECTRON BEAM GUN MEANS FOR SCANNING SAID SCREEN WITH A BEAM OF ELECTRONS THEREBY TO ENERGIZE SAID PHOSPHORS; MEANS FOR MODULATING THE INTENSITY OF SAID ELECTRON BEAM AS A FUNCTION OF SAID LUMINANCE INFORMATION THEREBY TO VARY THE BRIGHTNESS OF THE LIGHT EMITTED BY SAID PHOSPHORS; AND MEANS FOR APPLYING AN ELECTRON ACCELERATING VOLTAGE BETWEEN SAID GUN AND SAID SCREEN AND FOR MODULATING SAID VOLTAGE TO VARY BEAM ELECTRON ENERGIES OVER SAID RANGE AS A FUNCTION OF SAID CHROMINANCE INFORMATION THEREBY TO VARY THE COLOR OF THE LIGHT EMITTED BY SAID PHOSPHORS WHEREBY AN IMAGE IS PRODUCED ON SAID SCREEN, THE VARIATIONS IN BRIGHTNESS AND COLOR OF WHICH ARE A FUNCTION OF SAID LUMINANCE INFORMATION AND SAID CHROMINANCE INFORMATION RESPECTIVELY.
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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |