EP0453979A3 - Grid for electron gun system - Google Patents

Grid for electron gun system Download PDF

Info

Publication number: EP0453979A3
Authority: EP; European Patent Office
Prior art keywords: grid; electron gun; gun system; electron; gun
Prior art date: 1990-04-23
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

EP19910106299

Other languages

German (de)

Other versions

EP0453979B1 (en

EP0453979A2 (en

Inventor

Manfred Marggraf

Kurt-Manfred Tischer

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

Nokia Unterhaltungselektronik Deutschland GmbH

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.)

1990-04-23

Filing date

1991-04-19

Publication date

1993-01-20

1991-04-19 Application filed by Nokia Unterhaltungselektronik Deutschland GmbH filed Critical Nokia Unterhaltungselektronik Deutschland GmbH

1991-10-30 Publication of EP0453979A2 publication Critical patent/EP0453979A2/en

1993-01-20 Publication of EP0453979A3 publication Critical patent/EP0453979A3/en

1995-06-28 Application granted granted Critical

1995-06-28 Publication of EP0453979B1 publication Critical patent/EP0453979B1/en

2011-04-19 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- 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
- 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
- H01J29/485—Construction of the gun or of parts thereof
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/14—Manufacture of electrodes or electrode systems of non-emitting electrodes

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Insertion Pins And Rivets (AREA)
Laser Beam Processing (AREA)
Electrodes For Cathode-Ray Tubes (AREA)

EP91106299A 1990-04-23 1991-04-19 Grid for electron gun system Expired - Lifetime EP0453979B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE4012888A DE4012888A1 (en)	1990-04-23	1990-04-23	GRID FOR ELECTRON BEAM GENERATION SYSTEMS
DE4012888		1990-04-23

Publications (3)

Publication Number	Publication Date
EP0453979A2 EP0453979A2 (en)	1991-10-30
EP0453979A3 true EP0453979A3 (en)	1993-01-20
EP0453979B1 EP0453979B1 (en)	1995-06-28

Family

ID=6404899

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP91106299A Expired - Lifetime EP0453979B1 (en)	1990-04-23	1991-04-19	Grid for electron gun system

Country Status (3)

Country	Link
EP (1)	EP0453979B1 (en)
JP (1)	JP3159460B2 (en)
DE (2)	DE4012888A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4101801A (en) *	1977-04-28	1978-07-18	Gte Sylvania Incorporated	Shielded cathode support structure
DE2412541B2 (en) *	1973-10-15	1979-04-05	Hitachi, Ltd., Tokio	Beam generator system for color picture tubes
DE2755654A1 (en) *	1977-12-14	1979-06-21	Licentia Gmbh	Electrode production for CRT electron gun - includes fastening foil to electrode with hole by pulling foil through it, after which hole is made in foil

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5433708B2 (en) *	1973-08-08	1979-10-22
DE2538436A1 (en) *	1975-08-29	1977-03-10	Licentia Gmbh	Electron gun with flat cathode - has modulator electrode with hole much smaller than cathode emission surface
JPS5732536A (en) *	1980-08-01	1982-02-22	Hitachi Ltd	Working method for electrode section of electron gun
IT1170150B (en) *	1982-07-19	1987-06-03	Rca Corp	GRID EQUIPPED WITH OPENINGS FOR ELECTRONIC CANNONS AND METHOD OF MANUFACTURE OF THE SAME
NL8600117A (en) *	1986-01-21	1987-08-17	Philips Nv	COLOR IMAGE TUBE WITH REDUCED DEFLECTION DEFOCUSING.
US4772826A (en) *	1986-06-26	1988-09-20	Rca Licensing Corporation	Color display system
US4745331A (en) *	1987-07-20	1988-05-17	Rca Licensing Corporation	Color picture tube having an inline electron gun with an einzel lens

1990
- 1990-04-23 DE DE4012888A patent/DE4012888A1/en not_active Withdrawn
1991
- 1991-04-19 DE DE59105827T patent/DE59105827D1/en not_active Expired - Fee Related
- 1991-04-19 EP EP91106299A patent/EP0453979B1/en not_active Expired - Lifetime
- 1991-04-23 JP JP09223391A patent/JP3159460B2/en not_active Expired - Fee Related

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2412541B2 (en) *	1973-10-15	1979-04-05	Hitachi, Ltd., Tokio	Beam generator system for color picture tubes
US4101801A (en) *	1977-04-28	1978-07-18	Gte Sylvania Incorporated	Shielded cathode support structure
DE2755654A1 (en) *	1977-12-14	1979-06-21	Licentia Gmbh	Electrode production for CRT electron gun - includes fastening foil to electrode with hole by pulling foil through it, after which hole is made in foil

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SOVIET INVENTIONS ILLUSTRA- TED, El Sektion, Woche K04, 09. MÛrz 1983, DERWENT PUBLICATIONS LTD., London *

Also Published As

Publication number	Publication date
JPH0729508A (en)	1995-01-31
DE59105827D1 (en)	1995-08-03
DE4012888A1 (en)	1991-10-24
EP0453979B1 (en)	1995-06-28
EP0453979A2 (en)	1991-10-30
JP3159460B2 (en)	2001-04-23

Legal Events

Date	Code	Title	Description
1991-09-13	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
1991-10-30	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR IT NL
1992-03-18	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: NOKIA (DEUTSCHLAND) GMBH
1992-12-01	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1993-01-20	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR IT NL
1993-04-14	17P	Request for examination filed	Effective date: 19930211
1994-07-06	17Q	First examination report despatched	Effective date: 19940524
1995-05-12	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1995-06-28	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR IT NL
1995-06-29	ITF	It: translation for a ep patent filed	Owner name: JACOBACCI & PERANI S.P.A.
1995-08-03	REF	Corresponds to:	Ref document number: 59105827 Country of ref document: DE Date of ref document: 19950803
1995-10-06	ET	Fr: translation filed
1996-05-03	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1996-05-03	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1996-06-19	26N	No opposition filed
1999-06-25	REG	Reference to a national code	Ref country code: FR Ref legal event code: TP
2002-04-02	NLS	Nl: assignments of ep-patents	Owner name: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
2003-04-25	REG	Reference to a national code	Ref country code: FR Ref legal event code: TP
2004-04-06	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: NL Payment date: 20040406 Year of fee payment: 14
2004-04-08	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 20040408 Year of fee payment: 14
2004-05-28	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20040528 Year of fee payment: 14
2005-04-19	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050419
2005-11-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20051101 Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20051101
2005-12-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20051230
2006-01-02	NLV4	Nl: lapsed or anulled due to non-payment of the annual fee	Effective date: 20051101
2006-01-27	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST Effective date: 20051230

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