GB1012287A - Beam controlling apparatus for cathode-ray tubes - Google Patents
Beam controlling apparatus for cathode-ray tubesInfo
- Publication number
- GB1012287A GB1012287A GB24884/63A GB2488463A GB1012287A GB 1012287 A GB1012287 A GB 1012287A GB 24884/63 A GB24884/63 A GB 24884/63A GB 2488463 A GB2488463 A GB 2488463A GB 1012287 A GB1012287 A GB 1012287A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnets
- deflection yoke
- adjustments
- colour television
- colour
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/70—Arrangements for deflecting ray or beam
- H01J29/701—Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
- H01J29/702—Convergence correction arrangements therefor
- H01J29/703—Static convergence systems
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
1,012,287. Colour television tubes. RADIO CORPORATION OF AMERICA. June 21, 1963 [July 9, 1962], No. 24884/63. Heading H1D. A three-gun shadow-mask colour television tube has a pair of ring magnets 20A, 20B, Fig. 1, mounted adjacent the screen end of the deflection yoke 14 for effecting " colour purity " adjustments, i.e. common adjustments of the landing of the three beams at the target. The magnets which are individually rotatable and which may be mounted on a separate ribbed cylindrical support 22, or by means of spring clips directly on the forward section 16F of the outer shell 16 surrounding the deflection yoke, may be tapered in width or height between points spaced apart by 90 degrees. Alternatively, the magnetization along the magnets may be varied to obtain the desired field shaping or both methods may be utilized. Each magnet is composed of two semicircular sections 224, Fig. 3, with their north and south poles respectively abutting at 224E. Handle members 226 are secured over the joints.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US208403A US3247411A (en) | 1962-07-09 | 1962-07-09 | Post-deflection color purity correcting magnet system for a color tv cathode ray tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1012287A true GB1012287A (en) | 1965-12-08 |
Family
ID=22774489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB24884/63A Expired GB1012287A (en) | 1962-07-09 | 1963-06-21 | Beam controlling apparatus for cathode-ray tubes |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3247411A (en) |
| BE (1) | BE634726A (en) |
| DE (1) | DE1289868B (en) |
| FR (1) | FR1362357A (en) |
| GB (1) | GB1012287A (en) |
| NL (2) | NL139412B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3497745A (en) * | 1967-02-20 | 1970-02-24 | Zenith Radio Corp | Alignment magnet for cathode-ray tube |
| DE1955846C3 (en) * | 1969-11-06 | 1973-10-31 | Leybold-Heraeus Gmbh & Co Kg, 5000 Koeln | Electron gun for heating materials in a vacuum container |
| US4570140A (en) * | 1976-03-05 | 1986-02-11 | Hitachi, Ltd. | Magnet assembly for adjusting the running path of the electron beam of color picture tube |
| CA1269694A (en) * | 1985-07-31 | 1990-05-29 | Paul Michael Bruey | Deflection distortion correction device |
| US4823100A (en) * | 1985-07-31 | 1989-04-18 | Rca Licensing Corporation | Deflection distortion correction device |
| GB8611321D0 (en) * | 1986-05-09 | 1986-06-18 | Philips Nv | Correcting electron beam misconvergance |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL165991B (en) * | 1950-12-15 | Stork Conrad Bv | DEVICE FOR GUIDING THIS BODY WHEN LOWERING A BODY HANGING FROM CABS. | |
| US2586948A (en) * | 1951-03-22 | 1952-02-26 | Myron R Heppner | Electron beam centering device for cathode-ray tubes |
| US3002120A (en) * | 1954-08-02 | 1961-09-26 | Rca Corp | Beam convergence apparatus for tri-color kinescope |
| BE541271A (en) * | 1954-09-14 | |||
| US2963607A (en) * | 1956-05-04 | 1960-12-06 | Rca Corp | Electron beam-controlling apparatus |
| US2941102A (en) * | 1956-07-26 | 1960-06-14 | Sol L Reiches | Post deflection color purity correcting device for a color tv cathode ray tube and system using the same |
| US2950407A (en) * | 1956-12-21 | 1960-08-23 | Rca Corp | Electric beam controlling apparatus |
| US2939979A (en) * | 1957-04-26 | 1960-06-07 | Sol L Reiches | Color pure cathode ray tube display mechanism |
| NL108187C (en) * | 1958-11-04 |
-
0
- NL NL295045D patent/NL295045A/xx unknown
- BE BE634726D patent/BE634726A/xx unknown
-
1962
- 1962-07-09 US US208403A patent/US3247411A/en not_active Expired - Lifetime
-
1963
- 1963-06-21 GB GB24884/63A patent/GB1012287A/en not_active Expired
- 1963-07-04 DE DER35591A patent/DE1289868B/en not_active Withdrawn
- 1963-07-08 NL NL63295045A patent/NL139412B/en unknown
- 1963-07-09 FR FR940859A patent/FR1362357A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1362357A (en) | 1964-05-29 |
| NL139412B (en) | 1973-07-16 |
| DE1289868B (en) | 1969-02-27 |
| NL295045A (en) | |
| BE634726A (en) | |
| US3247411A (en) | 1966-04-19 |
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