EP0233616A3 - Colour picture tube - Google Patents

Colour picture tube

Info

Publication number: EP0233616A3
Authority: EP; European Patent Office
Prior art keywords: picture tube; colour picture; colour; tube; picture
Prior art date: 1986-02-19
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

Application number

EP87102106A

Other languages

German (de)

Other versions

EP0233616A2 (en

EP0233616B1 (en

Inventor

Bernhard Dr. Lau

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.)

Panasonic Holdings Corp

Original Assignee

Standard Elektrik Lorenz AG

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.)

1986-02-19

Filing date

1987-02-14

Publication date

1988-10-26

1987-02-14 Application filed by Standard Elektrik Lorenz AG filed Critical Standard Elektrik Lorenz AG

1987-08-26 Publication of EP0233616A2 publication Critical patent/EP0233616A2/en

1988-10-26 Publication of EP0233616A3 publication Critical patent/EP0233616A3/en

1991-06-26 Application granted granted Critical

1991-06-26 Publication of EP0233616B1 publication Critical patent/EP0233616B1/en

2007-02-14 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- H01J29/48—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
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/48—Electron guns
- H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
- H01J2229/4848—Aperture shape as viewed along beam axis
- H01J2229/4858—Aperture shape as viewed along beam axis parallelogram
- H01J2229/4865—Aperture shape as viewed along beam axis parallelogram rectangle
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/48—Electron guns
- H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
- H01J2229/4848—Aperture shape as viewed along beam axis
- H01J2229/4872—Aperture shape as viewed along beam axis circular

EP87102106A 1986-02-19 1987-02-14 Colour picture tube Expired - Lifetime EP0233616B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3605247		1986-02-19
DE19863605247 DE3605247A1 (en)	1986-02-19	1986-02-19	COLORED PIPES

Publications (3)

Publication Number	Publication Date
EP0233616A2 EP0233616A2 (en)	1987-08-26
EP0233616A3 true EP0233616A3 (en)	1988-10-26
EP0233616B1 EP0233616B1 (en)	1991-06-26

Family

ID=6294441

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP87102106A Expired - Lifetime EP0233616B1 (en)	1986-02-19	1987-02-14	Colour picture tube

Country Status (5)

Country	Link
US (1)	US4843278A (en)
EP (1)	EP0233616B1 (en)
JP (1)	JPS62193044A (en)
CA (1)	CA1273986A (en)
DE (2)	DE3605247A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR910009635B1 (en) *	1989-03-09	1991-11-23	삼성전관 주식회사	Dynamic focus electron gun
KR910005220Y1 (en) *	1989-06-10	1991-07-22	삼성전관 주식회사	Dynamic focus electron gun
US5731657A (en)	1992-04-21	1998-03-24	Hitachi, Ltd.	Electron gun with cylindrical electrodes arrangement
US6411026B2 (en)	1993-04-21	2002-06-25	Hitachi, Ltd.	Color cathode ray tube
JPH08190877A (en)	1995-01-09	1996-07-23	Hitachi Ltd	Cathode-ray tube

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2303374A1 (en) *	1975-03-03	1976-10-01	Rca Corp	PERFECTED ELECTRON CANNON FOR CATHODIC TUBE
US4498026A (en) *	1982-02-03	1985-02-05	Hitachi, Ltd.	Electron gun for color picture tube

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2898493A (en) *	1956-05-31	1959-08-04	Sylvania Electric Prod	Method and apparatus for controlling electron beams
JPS5525166Y2 (en) *	1977-04-27	1980-06-17
DE3003197A1 (en) *	1980-01-30	1981-08-06	Standard Elektrik Lorenz Ag, 7000 Stuttgart	DEVICE FOR ADJUSTING THE ELECTRON BEAMS OF A COLOR IMAGE TUBE
US4412149A (en) *	1981-09-21	1983-10-25	North American Philips Consumer Electronics Corp.	CRT Focusing electrode structure
JPS58216342A (en) *	1982-06-09	1983-12-16	Nec Corp	Electron gun for color picture tube
JPS59127346A (en) *	1983-01-10	1984-07-23	Hitachi Ltd	Color picture tube electron 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
JPS60189144A (en) *	1984-03-07	1985-09-26	Nec Corp	Electrode structure of cathode-ray tube electron gun

1986
- 1986-02-19 DE DE19863605247 patent/DE3605247A1/en not_active Withdrawn
1987
- 1987-02-05 JP JP62023693A patent/JPS62193044A/en active Granted
- 1987-02-11 CA CA000529439A patent/CA1273986A/en not_active Expired - Lifetime
- 1987-02-14 DE DE8787102106T patent/DE3770951D1/en not_active Expired - Lifetime
- 1987-02-14 EP EP87102106A patent/EP0233616B1/en not_active Expired - Lifetime
- 1987-02-19 US US07/016,351 patent/US4843278A/en not_active Expired - Lifetime

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2303374A1 (en) *	1975-03-03	1976-10-01	Rca Corp	PERFECTED ELECTRON CANNON FOR CATHODIC TUBE
US4498026A (en) *	1982-02-03	1985-02-05	Hitachi, Ltd.	Electron gun for color picture tube

Also Published As

Publication number	Publication date
DE3605247A1 (en)	1987-08-20
US4843278A (en)	1989-06-27
JPS62193044A (en)	1987-08-24
EP0233616A2 (en)	1987-08-26
JPH0578896B2 (en)	1993-10-29
CA1273986A (en)	1990-09-11
EP0233616B1 (en)	1991-06-26
DE3770951D1 (en)	1991-08-01

Publication	Publication Date	Title
PL249062A1 (en)	1985-04-09	Colour picture tube
EP0268485A3 (en)	1988-10-12	Colour picture tube
PL237388A1 (en)	1983-01-17	Colour picture tube
KR920003354B1 (en)	1992-04-30	Color picture tube
GB2186422B (en)	1990-05-16	Colour picture tube
GB8503765D0 (en)	1985-03-20	Colour picture tube
EP0266181A3 (en)	1989-08-02	Colour picture tube apparatus
EP0156362A3 (en)	1987-02-04	Colour picture tube
GB8722467D0 (en)	1987-10-28	Colour television camera
GB8513366D0 (en)	1985-07-03	Colour picture tube
GB8430935D0 (en)	1985-01-16	Color picture tube
EP0410386A3 (en)	1991-08-14	Color picture tube
DE3476839D1 (en)	1989-03-30	Color picture tube
GB2190538B (en)	1990-07-25	Colour cathode-ray tubes
DE3573042D1 (en)	1989-10-19	Colour picture tube
DE3760461D1 (en)	1989-09-21	Colour picture tube
KR920000934B1 (en)	1992-01-31	Color picture tube
PL253587A1 (en)	1986-02-11	Colour image tube
DE3476606D1 (en)	1989-03-09	Color picture tube
GB8402100D0 (en)	1984-02-29	Colour picture tube
GB8609405D0 (en)	1986-05-21	Colour picture tube
DE3571891D1 (en)	1989-08-31	Color picture tube
DE3666996D1 (en)	1989-12-21	Color picture tube
EP0233616A3 (en)	1988-10-26	Colour picture tube
PL287453A1 (en)	1991-06-03	Colour image tube

Legal Events

Date	Code	Title	Description
1987-07-10	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
1987-08-26	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT NL
1988-09-06	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1988-10-26	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT NL
1988-11-17	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: NOKIA GRAETZ GESELLSCHAFT MIT BESCHRAENKTER HAFTUN
1989-02-01	17P	Request for examination filed	Effective date: 19881205
1990-01-03	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: NOKIA UNTERHALTUNGSELEKTRONIK (DEUTSCHLAND) GMBH
1990-05-09	17Q	First examination report despatched	Effective date: 19900322
1991-05-09	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1991-06-26	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB IT NL
1991-07-02	ITF	It: translation for a ep patent filed
1991-08-01	REF	Corresponds to:	Ref document number: 3770951 Country of ref document: DE Date of ref document: 19910801
1991-08-14	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
1991-09-27	ET	Fr: translation filed
1992-04-30	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1992-04-30	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1992-06-17	26N	No opposition filed
1992-06-29	ITPR	It: changes in ownership of a european patent	Owner name: CAMBIO RAGIONE SOCIALE;NOKIA (DEUTSCHLAND) GMBH
1992-09-18	REG	Reference to a national code	Ref country code: FR Ref legal event code: CD
1993-08-16	NLT1	Nl: modifications of names registered in virtue of documents presented to the patent office pursuant to art. 16 a, paragraph 1	Owner name: NOKIA (DEUTSCHLAND) GMBH TE PFORZHEIM, BONDSREPUBL
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2002-04-02	NLS	Nl: assignments of ep-patents	Owner name: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
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