EP0843333A3 - Tube à rayons cathodiques couleur pourvu d'un dispositif d'ajustement pour la convergence d'un faisceau - Google Patents

Tube à rayons cathodiques couleur pourvu d'un dispositif d'ajustement pour la convergence d'un faisceau Download PDF

Info

Publication number: EP0843333A3
Authority: EP; European Patent Office
Prior art keywords: neck portion; ray tube; cathode ray; color cathode; adjustment device
Prior art date: 1996-11-14
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP97119888A

Other languages

German (de)

English (en)

Other versions

EP0843333A2 (fr

Inventor

Kenji Suzuki

Hiroshi Yoshioka

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.)

Hitachi Ltd

Original Assignee

Hitachi Ltd

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.)

1996-11-14

Filing date

1997-11-13

Publication date

1999-06-02

1997-11-13 Application filed by Hitachi Ltd filed Critical Hitachi Ltd

1998-05-20 Publication of EP0843333A2 publication Critical patent/EP0843333A2/fr

1999-06-02 Publication of EP0843333A3 publication Critical patent/EP0843333A3/fr

Status Withdrawn legal-status Critical Current

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
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/64—Magnetic lenses
- H01J29/68—Magnetic lenses using permanent magnets only
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/56—Correction of beam optics
- H01J2229/568—Correction of beam optics using supplementary correction devices
- H01J2229/5681—Correction of beam optics using supplementary correction devices magnetic
- H01J2229/5682—Permanently magnetised materials, e.g. permanent magnets
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/70—Electron beam control outside the vessel
- H01J2229/703—Electron beam control outside the vessel by magnetic fields

Landscapes

Video Image Reproduction Devices For Color Tv Systems (AREA)
Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

EP97119888A 1996-11-14 1997-11-13 Tube à rayons cathodiques couleur pourvu d'un dispositif d'ajustement pour la convergence d'un faisceau Withdrawn EP0843333A3 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP302714/96		1996-11-14
JP30271496A JPH10144236A (ja)	1996-11-14	1996-11-14	カラー陰極線管

Publications (2)

Publication Number	Publication Date
EP0843333A2 EP0843333A2 (fr)	1998-05-20
EP0843333A3 true EP0843333A3 (fr)	1999-06-02

Family

ID=17912301

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP97119888A Withdrawn EP0843333A3 (fr)	1996-11-14	1997-11-13	Tube à rayons cathodiques couleur pourvu d'un dispositif d'ajustement pour la convergence d'un faisceau

Country Status (4)

Country	Link
EP (1)	EP0843333A3 (fr)
JP (1)	JPH10144236A (fr)
KR (1)	KR19980042445A (fr)
SG (1)	SG74603A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2001185060A (ja)	1999-12-24	2001-07-06	Hitachi Ltd	インライン形カラー受像管
US7038368B2 (en)	2003-08-01	2006-05-02	Matsushita Toshiba Picture Display Co., Ltd.	Color picture tube apparatus having a pair of bar shaped magnets for correcting misconvergence due to the rotational shift of the electron beams

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3725831A (en) *	1972-01-14	1973-04-03	Rca Corp	Magnetic beam adjusting arrangements
US3808570A (en) *	1972-03-20	1974-04-30	Rca Corp	Static convergence device for electron beams
US3898597A (en) *	1973-09-14	1975-08-05	Philips Corp	Pairs of oppositely rotatable ring magnets for a color television display device
US4091347A (en) *	1976-03-17	1978-05-23	Rca Corporation	Convergence apparatus for in-line beams
US4117433A (en) *	1977-04-25	1978-09-26	Rca Corporation	Static convergence device including magnetic corrector apparatus
US4670726A (en) *	1984-12-20	1987-06-02	Hitachi Metals, Ltd.	Convergence device for electron beams in color picture tube

1996
- 1996-11-14 JP JP30271496A patent/JPH10144236A/ja active Pending
1997
- 1997-11-07 SG SG1997003983A patent/SG74603A1/en unknown
- 1997-11-13 EP EP97119888A patent/EP0843333A3/fr not_active Withdrawn
- 1997-11-14 KR KR1019970060107A patent/KR19980042445A/ko not_active Abandoned

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3725831A (en) *	1972-01-14	1973-04-03	Rca Corp	Magnetic beam adjusting arrangements
US3808570A (en) *	1972-03-20	1974-04-30	Rca Corp	Static convergence device for electron beams
US3898597A (en) *	1973-09-14	1975-08-05	Philips Corp	Pairs of oppositely rotatable ring magnets for a color television display device
US4091347A (en) *	1976-03-17	1978-05-23	Rca Corporation	Convergence apparatus for in-line beams
US4117433A (en) *	1977-04-25	1978-09-26	Rca Corporation	Static convergence device including magnetic corrector apparatus
US4670726A (en) *	1984-12-20	1987-06-02	Hitachi Metals, Ltd.	Convergence device for electron beams in color picture tube

Also Published As

Publication number	Publication date
JPH10144236A (ja)	1998-05-29
KR19980042445A (ko)	1998-08-17
SG74603A1 (en)	2000-08-22
EP0843333A2 (fr)	1998-05-20

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Legal Events

Date	Code	Title	Description
1998-04-03	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1998-05-20	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT NL
1999-04-16	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1999-06-02	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
2000-02-16	AKX	Designation fees paid	Free format text: DE FR GB IT NL
2000-10-21	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2000-12-06	18D	Application deemed to be withdrawn	Effective date: 20000601