JPS5413769A - Color picture tube - Google Patents
Color picture tubeInfo
- Publication number
- JPS5413769A JPS5413769A JP7925777A JP7925777A JPS5413769A JP S5413769 A JPS5413769 A JP S5413769A JP 7925777 A JP7925777 A JP 7925777A JP 7925777 A JP7925777 A JP 7925777A JP S5413769 A JPS5413769 A JP S5413769A
- Authority
- JP
- Japan
- Prior art keywords
- picture tube
- color picture
- distorting
- asymmetrically
- screen
- 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.)
- Granted
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
- H01J29/48—Electron guns
- H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
- H01J29/503—Three or more guns, the axes of which lay in a common plane
Abstract
PURPOSE:To improve the total resolution over the entire region of a screen by distorting a prefocus lens and main lens axis-asymmetrically.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7925777A JPS5413769A (en) | 1977-07-01 | 1977-07-01 | Color picture tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7925777A JPS5413769A (en) | 1977-07-01 | 1977-07-01 | Color picture tube |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5413769A true JPS5413769A (en) | 1979-02-01 |
JPS5736707B2 JPS5736707B2 (en) | 1982-08-05 |
Family
ID=13684794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7925777A Granted JPS5413769A (en) | 1977-07-01 | 1977-07-01 | Color picture tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5413769A (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5648036A (en) * | 1979-09-26 | 1981-05-01 | Mitsubishi Electric Corp | Electrode structure of inline type electron gun |
JPS57176511A (en) * | 1981-04-22 | 1982-10-29 | Hitachi Ltd | Noise suppression circuit for audio signal |
US4374341A (en) * | 1980-10-15 | 1983-02-15 | North American Philips Consumer Electronics Corp. | Beam focusing means in a unitized tri-potential CRT electron gun assembly |
US4374342A (en) * | 1980-10-15 | 1983-02-15 | North American Philips Consumer Electronics Corp. | Focusing means in a unitized bi-potential CRT electron gun assembly |
JPS59142707A (en) * | 1983-02-04 | 1984-08-16 | Nakamichi Corp | Signal processing circuit |
US4473775A (en) * | 1980-09-11 | 1984-09-25 | Matsushita Electronics Corporation | Cathode-ray tube device |
JPS6049541A (en) * | 1983-07-29 | 1985-03-18 | ノ−ス・アメリカン・フイリツプス・コンシユ−マ−・エレクトロニクス・コ−ポレ−シヨン | Color cathode ray tube with electron gun and method of producing same gun |
US4517488A (en) * | 1983-04-14 | 1985-05-14 | North American Philips Consumer Electronics Corp. | In-line electron gun structure for color cathode ray tube having lensing electrodes with tapered apertures and beam spot-shaping inserts |
US4581560A (en) * | 1981-12-16 | 1986-04-08 | Hitachi, Ltd. | Electron gun for color picture tube |
US4659961A (en) * | 1983-10-17 | 1987-04-21 | Nec Corporation | Cup member of an in-line electron gun capable of reducing a coma aberration |
JPS62193045A (en) * | 1986-02-12 | 1987-08-24 | アールシーエー トムソン ライセンシング コーポレイシヨン | Color display device and color cathode ray tube |
US4825120A (en) * | 1986-10-22 | 1989-04-25 | Hitachi, Ltd. | Electron gun apparatus with auxiliary electrodes for a color cathode-ray tube |
FR2644628A1 (en) * | 1989-03-17 | 1990-09-21 | Videocolor | FOCUSING GRID FOR ONLINE ELECTRON CANON FOR COLORED TELEVISION TUBE AND ONLINE ELECTRON CANON USING SUCH A GRID |
US5291093A (en) * | 1991-02-12 | 1994-03-01 | Samsung Electron Devices Co., Ltd. | Inline type electron gun for color cathode ray tubes |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0343767Y2 (en) * | 1984-10-29 | 1991-09-13 | ||
JPH0567103U (en) * | 1992-02-17 | 1993-09-03 | 河村電器産業株式会社 | Dustproof and waterproof structure of the box for storing electrical equipment |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5076976A (en) * | 1973-11-08 | 1975-06-24 | ||
JPS5185667A (en) * | 1975-01-24 | 1976-07-27 | Matsushita Electronics Corp | KARAAJUZO KANSOCHI |
JPS5251863A (en) * | 1975-10-22 | 1977-04-26 | Mitsubishi Electric Corp | Electronic gun for color picture tube |
-
1977
- 1977-07-01 JP JP7925777A patent/JPS5413769A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5076976A (en) * | 1973-11-08 | 1975-06-24 | ||
JPS5185667A (en) * | 1975-01-24 | 1976-07-27 | Matsushita Electronics Corp | KARAAJUZO KANSOCHI |
JPS5251863A (en) * | 1975-10-22 | 1977-04-26 | Mitsubishi Electric Corp | Electronic gun for color picture tube |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5648036A (en) * | 1979-09-26 | 1981-05-01 | Mitsubishi Electric Corp | Electrode structure of inline type electron gun |
US4473775A (en) * | 1980-09-11 | 1984-09-25 | Matsushita Electronics Corporation | Cathode-ray tube device |
US4374341A (en) * | 1980-10-15 | 1983-02-15 | North American Philips Consumer Electronics Corp. | Beam focusing means in a unitized tri-potential CRT electron gun assembly |
US4374342A (en) * | 1980-10-15 | 1983-02-15 | North American Philips Consumer Electronics Corp. | Focusing means in a unitized bi-potential CRT electron gun assembly |
JPS57176511A (en) * | 1981-04-22 | 1982-10-29 | Hitachi Ltd | Noise suppression circuit for audio signal |
JPH0373068B2 (en) * | 1981-04-22 | 1991-11-20 | Hitachi Ltd | |
US4581560A (en) * | 1981-12-16 | 1986-04-08 | Hitachi, Ltd. | Electron gun for color picture tube |
JPS59142707A (en) * | 1983-02-04 | 1984-08-16 | Nakamichi Corp | Signal processing circuit |
US4517488A (en) * | 1983-04-14 | 1985-05-14 | North American Philips Consumer Electronics Corp. | In-line electron gun structure for color cathode ray tube having lensing electrodes with tapered apertures and beam spot-shaping inserts |
JPS6049541A (en) * | 1983-07-29 | 1985-03-18 | ノ−ス・アメリカン・フイリツプス・コンシユ−マ−・エレクトロニクス・コ−ポレ−シヨン | Color cathode ray tube with electron gun and method of producing same gun |
US4659961A (en) * | 1983-10-17 | 1987-04-21 | Nec Corporation | Cup member of an in-line electron gun capable of reducing a coma aberration |
JPS62193045A (en) * | 1986-02-12 | 1987-08-24 | アールシーエー トムソン ライセンシング コーポレイシヨン | Color display device and color cathode ray tube |
JPH0544771B2 (en) * | 1986-02-12 | 1993-07-07 | Rca Thomson Licensing Corp | |
US4825120A (en) * | 1986-10-22 | 1989-04-25 | Hitachi, Ltd. | Electron gun apparatus with auxiliary electrodes for a color cathode-ray tube |
FR2644628A1 (en) * | 1989-03-17 | 1990-09-21 | Videocolor | FOCUSING GRID FOR ONLINE ELECTRON CANON FOR COLORED TELEVISION TUBE AND ONLINE ELECTRON CANON USING SUCH A GRID |
US5291093A (en) * | 1991-02-12 | 1994-03-01 | Samsung Electron Devices Co., Ltd. | Inline type electron gun for color cathode ray tubes |
Also Published As
Publication number | Publication date |
---|---|
JPS5736707B2 (en) | 1982-08-05 |
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