CN1021172C - 阴极射线管显示装置 - Google Patents
阴极射线管显示装置 Download PDFInfo
- Publication number
- CN1021172C CN1021172C CN88104372A CN88104372A CN1021172C CN 1021172 C CN1021172 C CN 1021172C CN 88104372 A CN88104372 A CN 88104372A CN 88104372 A CN88104372 A CN 88104372A CN 1021172 C CN1021172 C CN 1021172C
- Authority
- CN
- China
- Prior art keywords
- magnetic field
- coil
- ring
- screen
- cathode ray
- 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
- 230000035699 permeability Effects 0.000 claims description 8
- 238000010894 electron beam technology Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 10
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 229910000859 α-Fe Inorganic materials 0.000 description 13
- 230000000694 effects Effects 0.000 description 10
- 238000009826 distribution Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical group [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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
-
- 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
- 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)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Soft Magnetic Materials (AREA)
- Details Of Television Scanning (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8494987A | 1987-08-13 | 1987-08-13 | |
| US07/084949 | 1987-08-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1031297A CN1031297A (zh) | 1989-02-22 |
| CN1021172C true CN1021172C (zh) | 1993-06-09 |
Family
ID=22188219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN88104372A Expired - Lifetime CN1021172C (zh) | 1987-08-13 | 1988-07-12 | 阴极射线管显示装置 |
Country Status (14)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MY107095A (en) * | 1989-03-13 | 1995-09-30 | Ibm | Magnetic shunt for defletion yokes. |
| CN1040934C (zh) * | 1991-07-18 | 1998-11-25 | 东芝株式会社 | 阴极射线管图像显示装置 |
| KR950011706B1 (ko) * | 1992-11-10 | 1995-10-07 | 삼성전관주식회사 | 투사형 수상관용 편향요크 및 포커스 마그네트의 고정구조 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB743426A (en) * | 1953-04-29 | 1956-01-18 | Gen Electric Co Ltd | Improvements in or relating to arrangements including cathode ray tubes |
| NL262281A (enrdf_load_html_response) * | 1960-03-17 | |||
| US3576395A (en) * | 1969-05-21 | 1971-04-27 | Sylvania Electric Prod | Integral support and magentic shielding means for cathode-ray |
| JPS50114230U (enrdf_load_html_response) * | 1974-02-28 | 1975-09-18 | ||
| NL7609374A (nl) * | 1976-08-24 | 1978-02-28 | Philips Nv | Inrichting voor het weergeven van televisie- beelden, afbuigspoelenstelsel voor een derge- lijke inrichting en beeldbuis voorzien van een dergelijk afbuigspoelenstelsel. |
| DE3162156D1 (en) * | 1980-04-17 | 1984-03-15 | Tokyo Shibaura Electric Co | Color picture tube provided with an inner magnetic shield |
| US4547697A (en) * | 1983-07-22 | 1985-10-15 | North American Philips Consumer Electronics Corp. | CRT Shunt retaining means |
| JPS60253135A (ja) * | 1984-05-28 | 1985-12-13 | Mitsubishi Electric Corp | デイスプレイ装置 |
| JPS60189947U (ja) * | 1984-05-28 | 1985-12-16 | 三菱電機株式会社 | 電磁偏向ヨ−ク |
| DK29385A (da) * | 1984-10-09 | 1986-04-10 | Viggo Berthelsen | Fremgangsmaade og indretning til eliminering af paavirkningen fra et magnetfelt og til beskyttelse mod samme |
| DE3439808A1 (de) * | 1984-10-31 | 1986-04-30 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Ablenksystem fuer farbbildroehren |
| GB2177539B (en) * | 1985-05-20 | 1989-07-05 | Mitsubishi Electric Corp | Magnetic shielding system in color television receiver |
| NL8602397A (nl) * | 1985-10-25 | 1987-05-18 | Philips Nv | Beeldweergeefinrichting met ontstoringsmiddelen. |
| DE3704648C3 (de) * | 1986-02-17 | 1997-09-18 | Murata Manufacturing Co | Ablenkjocheinheit mit Hilfsspulen zur Verringerung unerwünschter Abstrahlung |
| JP2611196B2 (ja) * | 1986-02-20 | 1997-05-21 | 日本ビクター株式会社 | Ｃｒｔ画像表示装置 |
-
1988
- 1988-03-25 GB GB08807138A patent/GB2208034A/en not_active Withdrawn
- 1988-03-29 EP EP88105077A patent/EP0302995B1/en not_active Expired - Lifetime
- 1988-03-29 DE DE3889997T patent/DE3889997T2/de not_active Expired - Fee Related
- 1988-06-16 BR BR8802943A patent/BR8802943A/pt not_active IP Right Cessation
- 1988-07-12 CN CN88104372A patent/CN1021172C/zh not_active Expired - Lifetime
- 1988-07-12 JP JP63172007A patent/JP2645572B2/ja not_active Expired - Fee Related
- 1988-07-13 KR KR1019880008673A patent/KR930000388B1/ko not_active Expired - Fee Related
- 1988-07-19 NZ NZ225468A patent/NZ225468A/en unknown
- 1988-07-21 CA CA000572711A patent/CA1306281C/en not_active Expired - Lifetime
- 1988-08-08 AU AU20555/88A patent/AU600158B2/en not_active Ceased
- 1988-08-08 MX MX012589A patent/MX169727B/es unknown
- 1988-08-12 IE IE245988A patent/IE63796B1/en not_active IP Right Cessation
- 1988-08-22 IN IN718DE1988 patent/IN175123B/en unknown
-
1994
- 1994-11-03 HK HK119794A patent/HK119794A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IE63796B1 (en) | 1995-06-14 |
| EP0302995A1 (en) | 1989-02-15 |
| JPS6445046A (en) | 1989-02-17 |
| NZ225468A (en) | 1990-11-27 |
| DE3889997D1 (de) | 1994-07-14 |
| AU2055588A (en) | 1989-02-16 |
| IE882459L (en) | 1989-02-13 |
| KR930000388B1 (ko) | 1993-01-16 |
| AU600158B2 (en) | 1990-08-02 |
| IN175123B (enrdf_load_html_response) | 1995-04-22 |
| BR8802943A (pt) | 1989-02-21 |
| CN1031297A (zh) | 1989-02-22 |
| EP0302995B1 (en) | 1994-06-08 |
| GB2208034A (en) | 1989-02-15 |
| CA1306281C (en) | 1992-08-11 |
| KR890004381A (ko) | 1989-04-21 |
| MX169727B (es) | 1993-07-21 |
| HK119794A (en) | 1994-11-11 |
| JP2645572B2 (ja) | 1997-08-25 |
| GB8807138D0 (en) | 1988-04-27 |
| DE3889997T2 (de) | 1994-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| OR01 | Other related matters | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |