GB1178979A - Electromagnetic Deflection Yoke - Google Patents
Electromagnetic Deflection YokeInfo
- Publication number
- GB1178979A GB1178979A GB04406/67A GB1440667A GB1178979A GB 1178979 A GB1178979 A GB 1178979A GB 04406/67 A GB04406/67 A GB 04406/67A GB 1440667 A GB1440667 A GB 1440667A GB 1178979 A GB1178979 A GB 1178979A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coil
- tube
- minimum
- pair
- window
- 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
- 239000004020 conductor Substances 0.000 abstract 3
- 238000004804 winding Methods 0.000 abstract 2
- 206010010071 Coma Diseases 0.000 abstract 1
- 201000009310 astigmatism Diseases 0.000 abstract 1
- 238000010894 electron beam technology Methods 0.000 abstract 1
- 230000013011 mating Effects 0.000 abstract 1
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
- H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
- H01J29/76—Deflecting by magnetic fields only
- H01J29/762—Deflecting by magnetic fields only using saddle coils or printed windings
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Details Of Television Scanning (AREA)
Abstract
1,178,979. Electron beam deflecting apparatus. RADIO CORPORATION OF AMERICA. 29 March, 1967 [6 April, 1966], No. 14406/67. Heading H1D. An electromagnetic beam deflection yoke, particularly for a three gun shadow mask colour television tube, comprises a pair of horizontal and a pair of vertical deflection coils each of which is formed by two spaced groups of side conductors 24, 25, which extend longitudinally of the tube and lie along a geodesic line following the curvature of the flared bulb section of the tube, joined by front and rear groups of end conductors 26 and 27 respectively extending transversely to define a window area 28. Preferably, in order to obtain a wide angle deflection with a minimum of raster distortion and coma, and selected astigmatism, the distribution of side conductors in transverse cross-section shifts progressively from uniformity at the rear end of the coil to a minimum at the inner edge of the window area and a maximum at the outer edge at the front end of the coil, Figs. 5 and 6 (not shown). The winding distribution and shape of the coils is obtained by particularly designing the shape of the curved sides of a window block and the configuration of the cavity formed between the male and female halves of an arbour comprising the window block and a mating cap which are used in a conventional coil winding machine. The relationship between the radii of the inner and outer surfaces of each coil is discussed, Fig. 7 (not shown).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54061666A | 1966-04-06 | 1966-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1178979A true GB1178979A (en) | 1970-01-28 |
Family
ID=24156230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB04406/67A Expired GB1178979A (en) | 1966-04-06 | 1967-03-29 | Electromagnetic Deflection Yoke |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3488541A (en) |
| JP (1) | JPS509452B1 (en) |
| AT (1) | AT278916B (en) |
| BE (1) | BE696517A (en) |
| DE (1) | DE1512407C2 (en) |
| ES (1) | ES338880A1 (en) |
| FR (1) | FR1517478A (en) |
| GB (1) | GB1178979A (en) |
| NL (1) | NL159809B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL160970C (en) * | 1969-12-04 | 1979-12-17 | Philips Nv | METHOD OF MANUFACTURING A DEFLECTION COIL. |
| US3800176A (en) * | 1972-01-14 | 1974-03-26 | Rca Corp | Self-converging color image display system |
| JPS5736708B2 (en) * | 1973-02-05 | 1982-08-05 | ||
| US3912182A (en) * | 1973-08-21 | 1975-10-14 | Sony Corp | Apparatus for winding saddle-shaped deflection coil |
| US3889218A (en) * | 1973-08-21 | 1975-06-10 | Sony Corp | Saddle shaped deflection coil |
| JPS5470844U (en) * | 1977-10-28 | 1979-05-19 | ||
| GB2034123B (en) * | 1978-10-17 | 1982-11-10 | Edelstein W | Coil winding for quadrupolar fields |
| US6008574A (en) * | 1994-08-29 | 1999-12-28 | Matsushita Electronics Corporation | Deflection yoke providing improved image quality |
| CA2157104C (en) * | 1994-08-29 | 2002-03-12 | Masanobu Honda | Deflection yoke and color cathode ray tube comprising the deflection yoke |
| US5942846A (en) * | 1997-06-27 | 1999-08-24 | Matsushita Electronics Corporation | Deflection yoke with horizontal deflection coil |
| KR100839417B1 (en) * | 2002-04-24 | 2008-06-19 | 삼성에스디아이 주식회사 | Deflection apparatus for cathode ray tube |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2570425A (en) * | 1950-05-26 | 1951-10-09 | Philco Corp | Deflection yoke |
| US2824267A (en) * | 1953-11-02 | 1958-02-18 | Rca Corp | Deflection yoke for multi-beam cathode ray tube |
| US3027500A (en) * | 1959-07-20 | 1962-03-27 | Gen Electric | Width control |
| US3165677A (en) * | 1960-08-30 | 1965-01-12 | Gen Instrument Corp | Television tube deflection coil assembly with separable yoke sections |
| US3226588A (en) * | 1962-07-09 | 1965-12-28 | Rca Corp | Electromagnetic deflection yoke |
-
1966
- 1966-04-06 US US540616A patent/US3488541A/en not_active Expired - Lifetime
-
1967
- 1967-03-29 GB GB04406/67A patent/GB1178979A/en not_active Expired
- 1967-04-03 BE BE696517D patent/BE696517A/xx unknown
- 1967-04-04 ES ES338880A patent/ES338880A1/en not_active Expired
- 1967-04-04 DE DE1512407A patent/DE1512407C2/en not_active Expired
- 1967-04-04 FR FR101336A patent/FR1517478A/en not_active Expired
- 1967-04-05 NL NL6704850.A patent/NL159809B/en not_active IP Right Cessation
- 1967-04-05 JP JP42021778A patent/JPS509452B1/ja active Pending
- 1967-04-05 AT AT324367A patent/AT278916B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL6704850A (en) | 1967-10-09 |
| US3488541A (en) | 1970-01-06 |
| NL159809B (en) | 1979-03-15 |
| ES338880A1 (en) | 1968-04-16 |
| DE1512407C2 (en) | 1974-04-11 |
| DE1512407B1 (en) | 1971-11-25 |
| AT278916B (en) | 1970-02-25 |
| JPS509452B1 (en) | 1975-04-12 |
| FR1517478A (en) | 1968-03-15 |
| BE696517A (en) | 1967-09-18 |
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