GB2187883B - Deflection yoke apparatus with auxiliary coils for reducing unwanted radiation - Google Patents
Deflection yoke apparatus with auxiliary coils for reducing unwanted radiationInfo
- Publication number
- GB2187883B GB2187883B GB8703659A GB8703659A GB2187883B GB 2187883 B GB2187883 B GB 2187883B GB 8703659 A GB8703659 A GB 8703659A GB 8703659 A GB8703659 A GB 8703659A GB 2187883 B GB2187883 B GB 2187883B
- Authority
- GB
- United Kingdom
- Prior art keywords
- deflection yoke
- unwanted radiation
- auxiliary coils
- reducing unwanted
- yoke apparatus
- 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 - Lifetime
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
- H01J29/003—Arrangements for eliminating unwanted electromagnetic effects, e.g. demagnetisation arrangements, shielding coils
-
- 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
- H01J29/766—Deflecting by magnetic fields only using a combination of saddle coils and toroidal windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
- H01J2229/0015—Preventing or cancelling fields leaving the enclosure
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Details Of Television Scanning (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3244186 | 1986-02-17 | ||
JP3622586 | 1986-02-20 | ||
JP5561486 | 1986-03-13 | ||
JP6366086 | 1986-03-19 | ||
JP8633686U JPS62198653U (en) | 1986-06-06 | 1986-06-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8703659D0 GB8703659D0 (en) | 1987-03-25 |
GB2187883A GB2187883A (en) | 1987-09-16 |
GB2187883B true GB2187883B (en) | 1990-04-11 |
Family
ID=27521414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8703659A Expired - Lifetime GB2187883B (en) | 1986-02-17 | 1987-02-17 | Deflection yoke apparatus with auxiliary coils for reducing unwanted radiation |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3704648C3 (en) |
GB (1) | GB2187883B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0485559U (en) * | 1990-11-29 | 1992-07-24 | ||
GB2208034A (en) * | 1987-08-13 | 1989-02-15 | Ibm | Reducing magnetic radiation in front of a cathode ray tube screen |
JP2575394Y2 (en) * | 1992-12-30 | 1998-06-25 | 株式会社村田製作所 | Deflection yoke device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR900001503B1 (en) * | 1985-09-13 | 1990-03-12 | 미쓰비시전기 주식회사 | Radiation suppression device |
-
1987
- 1987-02-14 DE DE19873704648 patent/DE3704648C3/en not_active Expired - Lifetime
- 1987-02-17 GB GB8703659A patent/GB2187883B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2187883A (en) | 1987-09-16 |
DE3704648A1 (en) | 1987-08-20 |
DE3704648C3 (en) | 1997-09-18 |
GB8703659D0 (en) | 1987-03-25 |
DE3704648C2 (en) | 1992-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
732D | Request for correction of an error in the register (sect. 32(2)(d)/1977) | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 20070216 |