CA1237465A - Color picture tube having improved shadow mask - Google Patents
Color picture tube having improved shadow maskInfo
- Publication number
- CA1237465A CA1237465A CA000503959A CA503959A CA1237465A CA 1237465 A CA1237465 A CA 1237465A CA 000503959 A CA000503959 A CA 000503959A CA 503959 A CA503959 A CA 503959A CA 1237465 A CA1237465 A CA 1237465A
- Authority
- CA
- Canada
- Prior art keywords
- mask
- major axis
- column
- axis
- aperture
- 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 10
- 230000007423 decrease Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000007687 exposure technique Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 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
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/06—Screens for shielding; Masks interposed in the electron stream
- H01J29/07—Shadow masks for colour television tubes
-
- 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
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/06—Screens for shielding; Masks interposed in the electron stream
- H01J29/07—Shadow masks for colour television tubes
- H01J29/076—Shadow masks for colour television tubes characterised by the shape or distribution of beam-passing apertures
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71172185A | 1985-03-14 | 1985-03-14 | |
| US711,721 | 1985-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1237465A true CA1237465A (en) | 1988-05-31 |
Family
ID=24859240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000503959A Expired CA1237465A (en) | 1985-03-14 | 1986-03-12 | Color picture tube having improved shadow mask |
Country Status (17)
| Country | Link |
|---|---|
| JP (1) | JPS61214332A (en)) |
| KR (1) | KR900005932B1 (en)) |
| CN (1) | CN1009512B (en)) |
| BR (1) | BR8601066A (en)) |
| CA (1) | CA1237465A (en)) |
| CZ (1) | CZ278553B6 (en)) |
| DD (1) | DD243586A5 (en)) |
| DE (1) | DE3608433A1 (en)) |
| FR (1) | FR2579018B1 (en)) |
| GB (1) | GB2175132B (en)) |
| HK (1) | HK60594A (en)) |
| IN (1) | IN165336B (en)) |
| IT (1) | IT1188569B (en)) |
| MX (1) | MX165247B (en)) |
| PL (1) | PL153713B1 (en)) |
| RU (1) | RU1775051C (en)) |
| SG (1) | SG20792G (en)) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5534746A (en) * | 1995-06-06 | 1996-07-09 | Thomson Consumer Electronics, Inc. | Color picture tube having shadow mask with improved aperture spacing |
| JPH10241597A (ja) * | 1996-12-25 | 1998-09-11 | Toshiba Electron Eng Corp | カラー受像管 |
| US6621206B2 (en) * | 2000-07-04 | 2003-09-16 | Kabushiki Kaisha Toshiba | Color cathode ray tube |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4831372B1 (en)) * | 1969-05-31 | 1973-09-28 | ||
| GB1435596A (en) * | 1972-08-21 | 1976-05-12 | Tokyo Shibaura Electric Co | Method and apparatus for making colour cathode-ray tubes |
| JPS5244511B2 (en)) * | 1972-08-30 | 1977-11-08 | ||
| NL7303077A (en)) * | 1973-03-06 | 1974-09-10 | ||
| JPS6024533B2 (ja) * | 1973-12-10 | 1985-06-13 | 日本電気株式会社 | シヤドウマスクの製造方法 |
| GB1546889A (en) * | 1975-03-19 | 1979-05-31 | Rca Corp | Cathode ray tube having shadow mask |
| US4136300A (en) * | 1975-03-19 | 1979-01-23 | Rca Corporation | Cathode ray tube having improved shadow mask |
| DE2656995C2 (de) * | 1976-12-16 | 1983-12-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Rechteckförmige Farbwahlmaske für eine Farbbildkathodenstrahlröhre |
| NL7703233A (nl) * | 1977-03-25 | 1978-09-27 | Philips Nv | Televisieweergeefbuis. |
| JPS55126945A (en) * | 1979-03-23 | 1980-10-01 | Mitsubishi Electric Corp | Color cathode ray tube |
| JPS606067B2 (ja) * | 1980-12-02 | 1985-02-15 | 松下電子工業株式会社 | カラ−受像管 |
| JPS59165338A (ja) * | 1983-03-10 | 1984-09-18 | Toshiba Corp | カラ−受像管 |
| JPS59217930A (ja) * | 1983-05-24 | 1984-12-08 | Mitsubishi Electric Corp | シヤドウマスク式カラ−陰極線管 |
| US4583022A (en) * | 1984-05-31 | 1986-04-15 | Rca Corporation | Color picture tube having shadow mask with specific curvature and column aperture spacing |
-
1985
- 1985-11-26 IN IN838/CAL/85A patent/IN165336B/en unknown
-
1986
- 1986-03-07 IT IT19651/86A patent/IT1188569B/it active
- 1986-03-10 CN CN86101478A patent/CN1009512B/zh not_active Expired
- 1986-03-11 KR KR1019860001706A patent/KR900005932B1/ko not_active Expired
- 1986-03-11 GB GB8605930A patent/GB2175132B/en not_active Expired
- 1986-03-12 CZ CS861699A patent/CZ278553B6/cs not_active IP Right Cessation
- 1986-03-12 BR BR8601066A patent/BR8601066A/pt not_active IP Right Cessation
- 1986-03-12 CA CA000503959A patent/CA1237465A/en not_active Expired
- 1986-03-12 FR FR8603494A patent/FR2579018B1/fr not_active Expired - Lifetime
- 1986-03-13 DE DE19863608433 patent/DE3608433A1/de active Granted
- 1986-03-13 RU SU864027228A patent/RU1775051C/ru active
- 1986-03-13 JP JP61056756A patent/JPS61214332A/ja active Granted
- 1986-03-14 PL PL1986258427A patent/PL153713B1/pl unknown
- 1986-03-14 DD DD86287906A patent/DD243586A5/de not_active IP Right Cessation
- 1986-03-14 MX MX001886A patent/MX165247B/es unknown
-
1992
- 1992-03-03 SG SG207/92A patent/SG20792G/en unknown
-
1994
- 1994-06-23 HK HK60594A patent/HK60594A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB2175132B (en) | 1989-06-21 |
| FR2579018B1 (fr) | 1995-04-07 |
| SG20792G (en) | 1992-04-16 |
| IN165336B (en)) | 1989-09-23 |
| CZ278553B6 (en) | 1994-03-16 |
| DD243586A5 (de) | 1987-03-04 |
| CZ169986A3 (en) | 1993-12-15 |
| RU1775051C (ru) | 1992-11-07 |
| DE3608433A1 (de) | 1986-09-18 |
| GB2175132A (en) | 1986-11-19 |
| JPS61214332A (ja) | 1986-09-24 |
| CN86101478A (zh) | 1986-09-10 |
| JPH051574B2 (en)) | 1993-01-08 |
| FR2579018A1 (fr) | 1986-09-19 |
| IT8619651A1 (it) | 1987-09-07 |
| IT1188569B (it) | 1988-01-20 |
| KR860007708A (ko) | 1986-10-15 |
| HK60594A (en) | 1994-07-08 |
| PL153713B1 (en) | 1991-05-31 |
| CN1009512B (zh) | 1990-09-05 |
| BR8601066A (pt) | 1986-11-25 |
| GB8605930D0 (en) | 1986-04-16 |
| IT8619651A0 (it) | 1986-03-07 |
| MX165247B (es) | 1992-11-04 |
| DE3608433C2 (en)) | 1989-06-29 |
| KR900005932B1 (ko) | 1990-08-16 |
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| Publication | Publication Date | Title |
|---|---|---|
| KR900005538B1 (ko) | 음극선관 | |
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| CA2044469C (en) | Method of making color picture tube shadow mask having improved mask aperture border | |
| US6124668A (en) | Color cathode ray tube | |
| KR0181672B1 (ko) | 개선된 면판 패널을 가진 칼라 화상 튜브 | |
| US4300070A (en) | Cathode-ray tube screen border improvement | |
| CA1065003A (en) | Cathode ray tube having improved line-screen structure | |
| GB2136199A (en) | Cathode-Ray Tube Faceplate Contour | |
| GB2030357A (en) | Colour picture tube having corrugated shadow mask |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |