FR2544548B1 - Tube de television en couleurs a correction de defauts de coma de faible amplitude - Google Patents

Tube de television en couleurs a correction de defauts de coma de faible amplitude

Info

Publication number
FR2544548B1
FR2544548B1 FR8306312A FR8306312A FR2544548B1 FR 2544548 B1 FR2544548 B1 FR 2544548B1 FR 8306312 A FR8306312 A FR 8306312A FR 8306312 A FR8306312 A FR 8306312A FR 2544548 B1 FR2544548 B1 FR 2544548B1
Authority
FR
France
Prior art keywords
correction
coma
defects
plates
low amplitude
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
FR8306312A
Other languages
English (en)
Other versions
FR2544548A1 (fr
Inventor
Roger Pieri
Jacques Baudry
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.)
Videocolor SA
Original Assignee
Videocolor SA
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 Videocolor SA filed Critical Videocolor SA
Priority to FR8306312A priority Critical patent/FR2544548B1/fr
Priority to AT84400706T priority patent/ATE28012T1/de
Priority to EP84400706A priority patent/EP0125949B1/fr
Priority to DE8484400706T priority patent/DE3464438D1/de
Priority to JP59076728A priority patent/JPH077643B2/ja
Publication of FR2544548A1 publication Critical patent/FR2544548A1/fr
Application granted granted Critical
Publication of FR2544548B1 publication Critical patent/FR2544548B1/fr
Priority to US06/893,452 priority patent/US4725757A/en
Priority to HK270/90A priority patent/HK27090A/xx
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
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/701—Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
    • H01J29/707—Arrangements intimately associated with parts of the gun and co-operating with external magnetic excitation devices
    • 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
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Color Television Image Signal Generators (AREA)
  • Picture Signal Circuits (AREA)
FR8306312A 1983-04-18 1983-04-18 Tube de television en couleurs a correction de defauts de coma de faible amplitude Expired FR2544548B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR8306312A FR2544548B1 (fr) 1983-04-18 1983-04-18 Tube de television en couleurs a correction de defauts de coma de faible amplitude
AT84400706T ATE28012T1 (de) 1983-04-18 1984-04-10 Farbfernsehroehre mit einer korrektur von komafehlern geringer amplitude.
EP84400706A EP0125949B1 (fr) 1983-04-18 1984-04-10 Tube de télévision en couleurs à correction de défauts de coma de faible amplitude
DE8484400706T DE3464438D1 (en) 1983-04-18 1984-04-10 Colour television tube with correction of low amplitude coma faults
JP59076728A JPH077643B2 (ja) 1983-04-18 1984-04-18 収差欠陥補正エレメントを有するカラーテレビジョン受像管と収差欠陥補正方法
US06/893,452 US4725757A (en) 1983-04-18 1986-08-07 Color television tube incorporating correction of coma defects of small amplitude
HK270/90A HK27090A (en) 1983-04-18 1990-04-04 Colour television tube with correction of low amplitude coma faults

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8306312A FR2544548B1 (fr) 1983-04-18 1983-04-18 Tube de television en couleurs a correction de defauts de coma de faible amplitude

Publications (2)

Publication Number Publication Date
FR2544548A1 FR2544548A1 (fr) 1984-10-19
FR2544548B1 true FR2544548B1 (fr) 1985-12-27

Family

ID=9287970

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8306312A Expired FR2544548B1 (fr) 1983-04-18 1983-04-18 Tube de television en couleurs a correction de defauts de coma de faible amplitude

Country Status (7)

Country Link
US (1) US4725757A (fr)
EP (1) EP0125949B1 (fr)
JP (1) JPH077643B2 (fr)
AT (1) ATE28012T1 (fr)
DE (1) DE3464438D1 (fr)
FR (1) FR2544548B1 (fr)
HK (1) HK27090A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3665111D1 (en) * 1985-09-27 1989-09-21 Hitachi Ltd Convergence correcting device capable of coma correction for use in a cathode ray tube having in-line electron guns
JP2661024B2 (ja) * 1986-12-27 1997-10-08 ソニー株式会社 陰極線管
FR2818799A1 (fr) * 2000-12-22 2002-06-28 Thomson Tubes & Displays Systeme de deflexion pour tube a rayons cathodiques couleur corrige en coma horizontale
CN1261966C (zh) 2002-10-02 2006-06-28 Lg飞利浦显示器(韩国)株式会社 彩色阴极射线管及电子枪

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5845135B2 (ja) * 1975-11-12 1983-10-07 株式会社日立製作所 ヘンコウジカイセイギヨソシツキカラ−ジユゾウカン
US4142131A (en) * 1975-11-12 1979-02-27 Hitachi, Ltd. Color picture tube
US4225804A (en) * 1978-04-22 1980-09-30 Gte Sylvania N.V. Cathode ray tube coma correction device
US4457733A (en) * 1980-09-29 1984-07-03 Zenith Radio Corporation Method for providing coextensive raster patterns in television CRT in-line electron guns
JPS5780640A (en) * 1980-11-07 1982-05-20 Toshiba Corp Color picture tube unit
US4370593A (en) * 1980-12-30 1983-01-25 Rca Corporation In-line electron gun and method for modifying the same
JPS57126047A (en) * 1981-01-30 1982-08-05 Hitachi Ltd Color cathode-ray tube
JPS57187844A (en) * 1981-05-15 1982-11-18 Toshiba Corp Magnetic focusing crt
DE3126344A1 (de) * 1981-07-03 1983-02-24 Anton Dr. 7900 Ulm Casel Ablenkeinheit fuer eine dreistrahlige farbfernseh-bildroehre

Also Published As

Publication number Publication date
EP0125949B1 (fr) 1987-06-24
US4725757A (en) 1988-02-16
EP0125949A1 (fr) 1984-11-21
JPS59198641A (ja) 1984-11-10
JPH077643B2 (ja) 1995-01-30
FR2544548A1 (fr) 1984-10-19
HK27090A (en) 1990-04-12
DE3464438D1 (en) 1987-07-30
ATE28012T1 (de) 1987-07-15

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