FR2545647B1 - Tube a rayons cathodiques comportant une grille ecran, et grille astigmatique pour un tel tube - Google Patents

Tube a rayons cathodiques comportant une grille ecran, et grille astigmatique pour un tel tube

Info

Publication number
FR2545647B1
FR2545647B1 FR8406943A FR8406943A FR2545647B1 FR 2545647 B1 FR2545647 B1 FR 2545647B1 FR 8406943 A FR8406943 A FR 8406943A FR 8406943 A FR8406943 A FR 8406943A FR 2545647 B1 FR2545647 B1 FR 2545647B1
Authority
FR
France
Prior art keywords
tube
grid
astigmatic
cathode rays
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.)
Expired
Application number
FR8406943A
Other languages
English (en)
French (fr)
Other versions
FR2545647A1 (fr
Inventor
Frans Van Hekken
Hsing-Yao Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by RCA Corp filed Critical RCA Corp
Publication of FR2545647A1 publication Critical patent/FR2545647A1/fr
Application granted granted Critical
Publication of FR2545647B1 publication Critical patent/FR2545647B1/fr
Expired legal-status Critical Current

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
    • 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
FR8406943A 1983-05-06 1984-05-04 Tube a rayons cathodiques comportant une grille ecran, et grille astigmatique pour un tel tube Expired FR2545647B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/492,437 US4520292A (en) 1983-05-06 1983-05-06 Cathode-ray tube having an asymmetric slot formed in a screen grid electrode of an inline electron gun

Publications (2)

Publication Number Publication Date
FR2545647A1 FR2545647A1 (fr) 1984-11-09
FR2545647B1 true FR2545647B1 (fr) 1988-06-10

Family

ID=23956245

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8406943A Expired FR2545647B1 (fr) 1983-05-06 1984-05-04 Tube a rayons cathodiques comportant une grille ecran, et grille astigmatique pour un tel tube

Country Status (9)

Country Link
US (1) US4520292A (en:Method)
JP (1) JPS59211948A (en:Method)
KR (1) KR920005903B1 (en:Method)
CA (1) CA1212144A (en:Method)
DE (1) DE3416560C2 (en:Method)
FR (1) FR2545647B1 (en:Method)
GB (1) GB2140968B (en:Method)
HK (1) HK60287A (en:Method)
IT (1) IT1176140B (en:Method)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4608515A (en) * 1985-04-30 1986-08-26 Rca Corporation Cathode-ray tube having a screen grid with asymmetric beam focusing means and refraction lens means formed therein
US4631443A (en) * 1985-08-27 1986-12-23 Rca Corporation Multibeam electron gun having a formed transition member
US4649317A (en) * 1985-08-27 1987-03-10 Rca Corporation Multibeam electron gun having means for supporting a screen grid electrode relative to a main focusing lens
US4629934A (en) * 1985-08-27 1986-12-16 Rca Corporation Multibeam electron gun having means for positioning a screen grid electrode
US4701678A (en) * 1985-12-11 1987-10-20 Zenith Electronics Corporation Electron gun system with dynamic focus and dynamic convergence
DE3718838A1 (de) * 1987-06-05 1988-12-15 Standard Elektrik Lorenz Ag Elektronenstrahlerzeugersystem
US4771216A (en) * 1987-08-13 1988-09-13 Zenith Electronics Corporation Electron gun system providing for control of convergence, astigmatism and focus with a single dynamic signal
FR2644628B1 (fr) * 1989-03-17 1996-10-04 Videocolor Grille de focalisation pour canon a electrons en ligne pour tube de television en couleurs et canon a electrons en ligne utilisant une telle grille
US5036258A (en) * 1989-08-11 1991-07-30 Zenith Electronics Corporation Color CRT system and process with dynamic quadrupole lens structure
US5043625A (en) * 1989-11-15 1991-08-27 Zenith Electronics Corporation Spherical aberration-corrected inline electron gun
US5066887A (en) * 1990-02-22 1991-11-19 Rca Thomson Licensing Corp. Color picture tube having an inline electron gun with an astigmatic prefocusing lens
US5220239A (en) * 1991-12-09 1993-06-15 Chunghwa Picture Tubes, Ltd. High density electron beam generated by low voltage limiting aperture gun
JPH05325828A (ja) * 1992-05-26 1993-12-10 Hitachi Ltd 陰極線管
US5241240A (en) * 1992-06-01 1993-08-31 Chunghwa Picture Tubes, Ltd. Hollow chain link main lens design for color CRT
KR950012549A (ko) * 1993-10-22 1995-05-16 에스. 씨. 첸 칼라 음극선관전자총을 위한 연장중앙 원형 개구를 가진 오목한 체인-링크 주렌즈 설계
JP3429593B2 (ja) * 1995-02-13 2003-07-22 株式会社日立製作所 カラー陰極線管
US6528934B1 (en) * 2000-05-30 2003-03-04 Chunghwa Picture Tubes Ltd. Beam forming region for electron gun

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US381074A (en) * 1888-04-10 Joseph p
NL6709978A (en:Method) * 1967-07-18 1969-01-21
NL7208728A (en:Method) * 1971-07-28 1973-12-28
US3928785A (en) * 1971-11-23 1975-12-23 Adrian W Standaart Single gun, multi-screen, multi-beam, multi-color cathode ray tube
BE793992A (fr) * 1972-01-14 1973-05-02 Rca Corp Tube a rayons cathodiques
JPS5239365A (en) * 1975-09-25 1977-03-26 Hitachi Ltd Electronic gun device
JPS5270748A (en) * 1975-12-09 1977-06-13 Matsushita Electronics Corp Color picture tube
JPS52114655U (en:Method) * 1976-02-26 1977-08-31
NL175002C (nl) * 1977-11-24 1984-09-03 Philips Nv Kathodestraalbuis met tenminste een elektronenkanon.
JPS54133070A (en) * 1978-04-07 1979-10-16 Hitachi Ltd Constituent for electron gun
DE2832687C2 (de) * 1978-07-26 1984-01-12 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektronenstrahlerzeugungssystem einer Farbbildkathodenstrahlröhre
US4234814A (en) * 1978-09-25 1980-11-18 Rca Corporation Electron gun with astigmatic flare-reducing beam forming region
US4251747A (en) * 1979-11-15 1981-02-17 Gte Products Corporation One piece astigmatic grid for color picture tube electron gun
US4272700A (en) * 1979-11-15 1981-06-09 Gte Products Corporation One piece astigmatic grid for color picture tube electron gun and method of making same
US4319163A (en) * 1980-06-30 1982-03-09 Rca Corporation Electron gun with deflection-synchronized astigmatic screen grid means
JPS5790852A (en) * 1980-11-28 1982-06-05 Toshiba Corp Electron gun for cathode ray tube
JPS57113542A (en) * 1981-01-07 1982-07-15 Hitachi Ltd Electrode structure for electron gun
NL8102526A (nl) * 1981-05-22 1982-12-16 Philips Nv Kleurenbeeldbuis.
JPS5810354A (ja) * 1981-07-10 1983-01-20 Matsushita Electronics Corp インライン形カラ−受像管
JPS5859534A (ja) * 1981-10-01 1983-04-08 Matsushita Electronics Corp インライン形カラ−受像管
JPS5868848A (ja) * 1981-10-20 1983-04-23 Toshiba Corp カラー受像管用電子銃構体
US4449069A (en) * 1982-02-10 1984-05-15 Rca Corporation Color picture tube with focusing electrode having electrostatic field distortion aperture therein
JPS58209039A (ja) * 1982-05-28 1983-12-05 Hitachi Ltd カラーブラウン管
US4513222A (en) * 1983-01-27 1985-04-23 Rca Corporation Color picture tube having reconvergence slots formed in a screen grid electrode of an inline electron gun

Also Published As

Publication number Publication date
IT1176140B (it) 1987-08-12
GB8410638D0 (en) 1984-05-31
US4520292A (en) 1985-05-28
DE3416560C2 (de) 1987-02-12
JPS59211948A (ja) 1984-11-30
KR920005903B1 (ko) 1992-07-24
GB2140968A (en) 1984-12-05
IT8420780A0 (it) 1984-05-03
JPH0470730B2 (en:Method) 1992-11-11
GB2140968B (en) 1986-09-03
DE3416560A1 (de) 1984-11-08
KR840009364A (ko) 1984-12-26
IT8420780A1 (it) 1985-11-03
CA1212144A (en) 1986-09-30
FR2545647A1 (fr) 1984-11-09
HK60287A (en) 1987-08-21

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Legal Events

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