US3363129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colour tube with triplet phosphor strips making 40deg. to 70deg. angle with horizontal
Assignee: Compagnie Francaise de Television SA
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Filing: 1964-10-27
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Granted: 1968-01-09
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Expires: 1984-10-27
Abstract
No abstract record available.
Inventors
- 👤 France Henri De
- 👤 Roger R Cahen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:05
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/20; H01J31/201; H01J31/203; H01J31/206; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/30; H01J29/32; H01J29/46; H01J29/70; H01J29/701; H01J29/702; H01J29/705; H01J29/707
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
130 words
A COLOUR TELEVISION REPRODUCING ARRANGEMENT INCLUDING A TUBE, SAID TUBE COMPRISING A SCREEN WITH PARALLEL PHOSPHOR STRIPS, THREE SUCCESSIVE STRIPS OF SAID SCREEN HAVING RESPECTIVE THREE COLOURS AND FORMING A TRIPLET HAVING A WIDTH T, SAID STRIPS MAKING WITH THE HORIZONTAL DIRECTION OF SAID SCREEN AN ACUTE ANGLE 0 BETWEEN 40* AND 70*, AND SAID SCREEN BEING DIMENSIONED TO GIVE A PICTURE HAVING A HIGHT H, THE VALUES OF T, H AND 0 BEING SUCH THAT THE RATIO Q=(H COS 0) /T IS BETWEEN N/2 AND N/3 WHERE N IS THE NUMBER OF VISIBLE PICTURE LINES OF A COLOUR TELEVISION STANDARD; THREE GUNS FOR PRODUCING THREE BEAMS RESPECTIVELY ASSOCIATED WITH SAID THREE COLOURS; AND MEANS FOR CAUSING EACH OF SAID BEAMS TO STRIKE THE STRIPS OF THE COLOUR ASSOCIATED THEREWITH.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |