EP0426237A3 - Procedure for detecting television picture tubes with insufficient vacuum - Google Patents

Procedure for detecting television picture tubes with insufficient vacuum Download PDF

Info

Publication number: EP0426237A3
Authority: EP; European Patent Office
Prior art keywords: procedure; television picture; picture tubes; insufficient vacuum; detecting television
Prior art date: 1989-10-28
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

EP19900202833

Other languages

German (de)

Other versions

EP0426237B1 (en

EP0426237A2 (en

Inventor

Andre Bolz

Hermann Dr. Wehr

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.)

Koninklijke Philips NV

Original Assignee

Philips Patentverwaltung GmbH

Philips Gloeilampenfabrieken NV

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.)

1989-10-28

Filing date

1990-10-24

Publication date

1991-11-21

1990-10-24 Application filed by Philips Patentverwaltung GmbH, Philips Gloeilampenfabrieken NV filed Critical Philips Patentverwaltung GmbH

1991-05-08 Publication of EP0426237A2 publication Critical patent/EP0426237A2/en

1991-11-21 Publication of EP0426237A3 publication Critical patent/EP0426237A3/en

1994-05-18 Application granted granted Critical

1994-05-18 Publication of EP0426237B1 publication Critical patent/EP0426237B1/en

2010-10-24 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
- 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
- H01J9/42—Measurement or testing during manufacture

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

EP90202833A 1989-10-28 1990-10-24 Procedure for detecting television picture tubes with insufficient vacuum Expired - Lifetime EP0426237B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3936015		1989-10-28
DE3936015A DE3936015A1 (en)	1989-10-28	1989-10-28	METHOD FOR SELECTING TELEVISION TUBES WITH VACUUM TOO LOW

Publications (3)

Publication Number	Publication Date
EP0426237A2 EP0426237A2 (en)	1991-05-08
EP0426237A3 true EP0426237A3 (en)	1991-11-21
EP0426237B1 EP0426237B1 (en)	1994-05-18

Family

ID=6392473

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP90202833A Expired - Lifetime EP0426237B1 (en)	1989-10-28	1990-10-24	Procedure for detecting television picture tubes with insufficient vacuum

Country Status (4)

Country	Link
US (1)	US5083957A (en)
EP (1)	EP0426237B1 (en)
JP (1)	JPH03165422A (en)
DE (2)	DE3936015A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ATE142367T1 (en) *	1992-12-17	1996-09-15	Philips Electronics Nv	METHOD FOR CURING A FILM
DE19526394A1 (en) *	1995-07-19	1997-01-23	Siemens Ag	Vacuum detection system for vacuum switch tube
US6722184B2 (en)	2001-09-13	2004-04-20	Guide Corporation	Apparatus and method for pressurized oxygen bulb curing and testing

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1592364A (en) *	1921-04-26	1926-07-13	Western Electric Co	Ionization manometer
US4052776A (en) *	1976-09-30	1977-10-11	Zenith Radio Corporation	Method of spot-knocking an electron gun assembly in a color television picture tube

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SU656126A1 (en) *	1976-06-23	1979-04-05	Рязанский Радиотехнический Институт	Circuit for measuring pressure in sealed gas-discharge devices
JPS6273526A (en) *	1985-09-27	1987-04-04	Hitachi Ltd	How to measure the pressure of gas filled in a fluorescent lamp
US4720652A (en) *	1987-01-20	1988-01-19	Cooper Industries, Inc.	Sealed beam headlamp and method for testing its serviceability

1989
- 1989-10-28 DE DE3936015A patent/DE3936015A1/en not_active Withdrawn
1990
- 1990-10-18 US US07/599,784 patent/US5083957A/en not_active Expired - Lifetime
- 1990-10-24 DE DE59005734T patent/DE59005734D1/en not_active Expired - Fee Related
- 1990-10-24 EP EP90202833A patent/EP0426237B1/en not_active Expired - Lifetime
- 1990-10-25 JP JP2286008A patent/JPH03165422A/en active Pending

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1592364A (en) *	1921-04-26	1926-07-13	Western Electric Co	Ionization manometer
US4052776A (en) *	1976-09-30	1977-10-11	Zenith Radio Corporation	Method of spot-knocking an electron gun assembly in a color television picture tube

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ELECTRONICS Bd. 37, Nr. 1, 3. Januar 1964, MC.GRAW-HILL NEW YORK Seiten 89 - 91; FRED KOHLER: 'PRODUCTION TECHNIQUES TUBE IS OWN VACUUM GAGE ' *
PATENT ABSTRACTS OF JAPAN vol. 13, no. 81 (E-719)(3429) 23. Februar 1989 & JP-A-63 261 649 (HITACHI LTD ) 28. Oktober 1988 *

Also Published As

Publication number	Publication date
JPH03165422A (en)	1991-07-17
EP0426237B1 (en)	1994-05-18
DE3936015A1 (en)	1991-05-02
EP0426237A2 (en)	1991-05-08
DE59005734D1 (en)	1994-06-23
US5083957A (en)	1992-01-28

Publication	Publication Date	Title
EP0332469A3 (en)	1990-08-01	Electron gun for color picture tube device
AU6448690A (en)	1991-04-18	Dual image video inspection apparatus
EP0424888A3 (en)	1991-11-27	Color cathode ray tube apparatus
GB8629552D0 (en)	1987-01-21	Television system & display tubes
GB8929143D0 (en)	1990-02-28	Improved advanced compatible television(actv)system
GB2236231B (en)	1993-10-13	Television receivers
EP0424148A3 (en)	1991-11-13	Image tube device
EP0424946A3 (en)	1991-11-27	Color cathode ray tube apparatus
EP0410386A3 (en)	1991-08-14	Color picture tube
GB2234853B (en)	1994-03-09	Integrated thermal processing for kinescopes
HUT46466A (en)	1988-10-28	Vacuum tube containing electronoptical system
EP0276952A3 (en)	1989-07-12	Electron gun for colour picture tube
EP0426237A3 (en)	1991-11-21	Procedure for detecting television picture tubes with insufficient vacuum
HUT58533A (en)	1992-03-30	Holding device for endotracheal tube
IL91303A0 (en)	1990-03-19	System for displaying images on a cathode ray tube
GB2241371B (en)	1994-03-02	Video cameras
EP0438139A3 (en)	1992-01-29	Color cathode ray tube
EP0426037A3 (en)	1992-01-02	Cathode ray tube
EP0456224A3 (en)	1993-02-24	Color cathode ray tube apparatus
SG50691G (en)	1991-08-23	Cathode ray tube and device for projection television provided with such a tube
AU7421191A (en)	1991-11-14	Horizontal sweep circuit for a cathode ray tube device
AU1044688A (en)	1988-06-30	Arrangement for a picture tube
GB2257826B (en)	1995-04-12	Cathode ray tube
EP0416535A3 (en)	1991-05-08	Cathode for electron tubes
DE3570801D1 (en)	1989-07-06	Television camera tube device

Legal Events

Date	Code	Title	Description
1991-03-23	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
1991-05-08	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT
1991-09-27	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1991-11-21	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT
1992-07-22	17P	Request for examination filed	Effective date: 19920521
1993-08-11	17Q	First examination report despatched	Effective date: 19930625
1994-03-31	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1994-05-18	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB IT
1994-06-23	REF	Corresponds to:	Ref document number: 59005734 Country of ref document: DE Date of ref document: 19940623
1994-07-15	ITF	It: translation for a ep patent filed
1994-08-31	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)	Effective date: 19940801
1994-09-02	ET	Fr: translation filed
1995-03-23	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1995-03-23	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1995-04-19	ITPR	It: changes in ownership of a european patent	Owner name: CAMBIO RAGIONE SOCIALE;PHILIPS ELECTRONICS N.V.
1995-05-10	26N	No opposition filed
1995-06-09	REG	Reference to a national code	Ref country code: FR Ref legal event code: CD
1997-09-30	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19970930 Year of fee payment: 8
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1999-06-16	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19981024
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1999-08-03	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990803
2005-10-24	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: 20051024