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
Authority: FR; France
Prior art keywords: correction; coma; defects; plates; low amplitude
Prior art date: 1983-04-18
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.)

1983-04-18

Filing date

1983-04-18

Publication date

1985-12-27

1983-04-18 Application filed by Videocolor SA filed Critical Videocolor SA

1983-04-18 Priority to FR8306312A priority Critical patent/FR2544548B1/fr

1984-04-10 Priority to AT84400706T priority patent/ATE28012T1/de

1984-04-10 Priority to DE8484400706T priority patent/DE3464438D1/de

1984-04-10 Priority to EP84400706A priority patent/EP0125949B1/fr

1984-04-18 Priority to JP59076728A priority patent/JPH077643B2/ja

1984-10-19 Publication of FR2544548A1 publication Critical patent/FR2544548A1/fr

1985-12-27 Application granted granted Critical

1985-12-27 Publication of FR2544548B1 publication Critical patent/FR2544548B1/fr

1986-08-07 Priority to US06/893,452 priority patent/US4725757A/en

1990-04-04 Priority to HK270/90A priority patent/HK27090A/xx

Status Expired legal-status Critical Current

Links

206010010071 Coma Diseases 0.000 title abstract 2
230000007547 defect Effects 0.000 abstract 2
206010073261 Ovarian theca cell tumour Diseases 0.000 abstract 1
238000010894 electron beam technology Methods 0.000 abstract 1
208000001644 thecoma Diseases 0.000 abstract 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
- H01J29/46—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.
DE8484400706T DE3464438D1 (en)	1983-04-18	1984-04-10	Colour television tube with correction of low amplitude coma faults
EP84400706A EP0125949B1 (fr)	1983-04-18	1984-04-10	Tube de télévision en couleurs à correction de défauts de coma de faible amplitude
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
EP0218961B1 (fr) *	1985-09-27	1989-08-16	Hitachi, Ltd.	Dispositif de correction de convergence capable de correction de coma pour utilisation dans un tube cathodique avec canons à électrons en ligne
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
US4142131A (en) *	1975-11-12	1979-02-27	Hitachi, Ltd.	Color picture tube
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
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

1983
- 1983-04-18 FR FR8306312A patent/FR2544548B1/fr not_active Expired
1984
- 1984-04-10 DE DE8484400706T patent/DE3464438D1/de not_active Expired
- 1984-04-10 EP EP84400706A patent/EP0125949B1/fr not_active Expired
- 1984-04-10 AT AT84400706T patent/ATE28012T1/de not_active IP Right Cessation
- 1984-04-18 JP JP59076728A patent/JPH077643B2/ja not_active Expired - Lifetime
1986
- 1986-08-07 US US06/893,452 patent/US4725757A/en not_active Expired - Lifetime
1990
- 1990-04-04 HK HK270/90A patent/HK27090A/xx not_active IP Right Cessation

Also Published As

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

Publication	Publication Date	Title
ES8505142A1 (es)	1985-05-01	Un tubo de presentacion visual en colores.
SE7510831L (sv)	1976-04-05	Presentationssystem som utnyttjar stralformkorrigering
BR8705002A (pt)	1988-05-24	Sistema de visor em cores,e tubo de raios catodicos
FR2544548B1 (fr)	1985-12-27	Tube de television en couleurs a correction de defauts de coma de faible amplitude
GB1082456A (en)	1967-09-06	Improvements in or relating to colour television tubes
GB1256399A (en)	1971-12-08	Convergence means for a color cathode ray picture tube
ES478053A1 (es)	1979-07-16	Un tubo de presentacion de imagenes en color.
HK2386A (en)	1986-01-24	Colour display tube
HK63387A (en)	1987-09-11	Color picture tube having improved electron gun
CN1029055C (zh)	1995-06-21	电子枪
ES8608229A1 (es)	1986-06-01	Un tubo de presentacion visual en colores
JPS566357A (en)	1981-01-22	Deflecting yoke
SE8204107L (sv)	1983-01-11	Fergbildpresentationssystem
JPS54133070A (en)	1979-10-16	Constituent for electron gun
US5218265A (en)	1993-06-08	Combined mask-frame with double spot welds
GB2144903B (en)	1987-01-14	Cathode-ray tube with electron gun having an astigmatic beam forming region
DE3043048A1 (de)	1981-09-03	Inline-farbbildroehre
GB1528311A (en)	1978-10-11	Multiple beam cathode ray tube arrangements
JPS5796446A (en)	1982-06-15	Color picture tube
JPS5713879A (en)	1982-01-23	Projection type color television device
JPS57199146A (en)	1982-12-07	Electron gun structure
SU633094A1 (ru)	1978-11-15	Устройство дл регулировани чистоты цвета цветного кинескопа с линейным расположением прожекторов
GB1279524A (en)	1972-06-28	Cathode ray tube video display system
KR900000962A (ko)	1990-01-31	칼라 수상관 및 편향 장치
JP2719920B2 (ja)	1998-02-25	陰極線管、特に非球状管における垂直方向の幾何学的歪みを修正するための装置