Patent US3135824A successfully refreshed from Google Patents.
US3135824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shift of color balance in indexing tube between monochrome and color reception
Assignee: Lanteris Space LLC
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Filing: 1960-02-01
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Granted: 1964-06-02
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Expires: 1980-02-01
Abstract
No abstract record available.
Inventors
- 👤 Wilson P Boothroyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:42
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
IN A TELEVISION RECEIVER ADAPTED TO RECEIVE BOTH COLOR AND MONOCHROME IMAGE SIGNALS, AN IMAGE-PRODUCING CATHODE RAY TUBE WHEREIN AN ELECTRON BEAM SCANS A SCREEN HAVING ELEMENTS EMISSIVE OF LIGHT OF DIFFERENT COLORS IN RESPONSE TO ELECTRON IMPINGEMENT, SAID SCREEN HAVING A PREDETERMINED WHITE BALANCE AND ALSO HAVING INDEXING ELEMENTS THEREON, MEANS INCLUDING SAID INDEXING ELEMENTS FOR PRODUCING AN INDEXING SIGNAL, MEANS FOR EFFECTING MODULATION OF SAID BEAM ACCORDING TO THE IMAGE INFORMATION OF EITHER A RECEIVED COLOR IMAGE SIGNAL OR A RECEIVED MONOCHROME IMAGE SIGNAL, AND MEANS FOR ADDITIONALLY MODULATING SAID BEAM WITH SAID INDEXING SIGNAL AT LEAST DURING RECEPTION OF ONE OF SAID TYPES OF IMAGE SIGNALS SO AS TO CHANGE THE WHITE BALANCE FOR THE RECEIVED SIGNAL.
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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |