EP0653903A3 - Fluorescent tube assembly and method. - Google Patents

Fluorescent tube assembly and method. Download PDF

Info

Publication number: EP0653903A3
Authority: EP; European Patent Office
Prior art keywords: fluorescent tube; tube assembly; assembly; fluorescent; tube
Prior art date: 1993-11-15
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP94308013A

Other languages

German (de)

French (fr)

Other versions

EP0653903A2 (en

Inventor

Trevor Henry Williams

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.)

Meggitt UK Ltd

Original Assignee

Meggitt UK 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.)

1993-11-15

Filing date

1994-10-31

Publication date

1996-12-04

1994-10-31 Application filed by Meggitt UK Ltd filed Critical Meggitt UK Ltd

1995-05-17 Publication of EP0653903A2 publication Critical patent/EP0653903A2/en

1996-12-04 Publication of EP0653903A3 publication Critical patent/EP0653903A3/en

Status Withdrawn legal-status Critical Current

Classifications

- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/24—Circuit arrangements in which the lamp is fed by high frequency AC, or with separate oscillator frequency
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
- H05B41/38—Controlling the intensity of light
- H05B41/39—Controlling the intensity of light continuously
- H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
- H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
- H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
- H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
- H01J65/046—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by using capacitive means around the vessel

EP94308013A 1993-11-15 1994-10-31 Fluorescent tube assembly and method. Withdrawn EP0653903A3 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB9323511		1993-11-15
GB939323511A GB9323511D0 (en)	1993-11-15	1993-11-15	Fluorescent tube assembly

Publications (2)

Publication Number	Publication Date
EP0653903A2 EP0653903A2 (en)	1995-05-17
EP0653903A3 true EP0653903A3 (en)	1996-12-04

Family

ID=10745183

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP94308013A Withdrawn EP0653903A3 (en)	1993-11-15	1994-10-31	Fluorescent tube assembly and method.

Country Status (2)

Country	Link
EP (1)	EP0653903A3 (en)
GB (1)	GB9323511D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9519283D0 (en) *	1995-09-21	1995-11-22	Smiths Industries Plc	Gas discharge lamps and systems
GB2305540B (en) *	1995-09-21	1999-02-17	Smiths Industries Plc	Gas discharge lamps and systems
FR2745460B1 (en) *	1996-02-28	1998-08-07	Vinel Paul Louis	METHOD AND DEVICES FOR SUPPLYING HIGH FREQUENCY DISCHARGE LAMPS BY ADAPTED RESONANT COUPLING
GB9803587D0 (en)	1998-02-23	1998-04-15	Smiths Industries Plc	Gas discharge lamps and systems
WO2004068532A2 (en) *	2003-01-30	2004-08-12	Koninklijke Philips Electronics N.V.	Fluorescent lamp with a second ballast for dimmed lighting mode

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2269835A1 (en) *	1974-05-02	1975-11-28	Philips Nv
US4101807A (en) *	1976-03-22	1978-07-18	Xerox Corporation	Method and apparatus for controlling the temperature of low pressure metal or metal halide lamps
EP0174415A1 (en) *	1984-06-29	1986-03-19	Bressan, Alessandro	A parallel system for the lighting of neon lamps, fluorescent lamps, and similar
DE8706562U1 (en) *	1986-12-01	1987-12-23	Jäger, Gerd, 8561 Reichenschwand	Fluorescent tube
DE8816269U1 (en) *	1988-11-02	1989-04-13	Döppe, Peter, 6000 Frankfurt	Device for operating a fluorescent tube
US5030894A (en) *	1986-05-30	1991-07-09	Kabushiki Kaisha Toshiba	Rare gas discharge lamp device

1993
- 1993-11-15 GB GB939323511A patent/GB9323511D0/en active Pending
1994
- 1994-10-31 EP EP94308013A patent/EP0653903A3/en not_active Withdrawn

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2269835A1 (en) *	1974-05-02	1975-11-28	Philips Nv
US4101807A (en) *	1976-03-22	1978-07-18	Xerox Corporation	Method and apparatus for controlling the temperature of low pressure metal or metal halide lamps
EP0174415A1 (en) *	1984-06-29	1986-03-19	Bressan, Alessandro	A parallel system for the lighting of neon lamps, fluorescent lamps, and similar
US5030894A (en) *	1986-05-30	1991-07-09	Kabushiki Kaisha Toshiba	Rare gas discharge lamp device
DE8706562U1 (en) *	1986-12-01	1987-12-23	Jäger, Gerd, 8561 Reichenschwand	Fluorescent tube
DE8816269U1 (en) *	1988-11-02	1989-04-13	Döppe, Peter, 6000 Frankfurt	Device for operating a fluorescent tube

Also Published As

Publication number	Publication date
EP0653903A2 (en)	1995-05-17
GB9323511D0 (en)	1994-01-05

Publication	Publication Date	Title
EP0766804A4 (en)	1999-03-31	Member and tube assembly and method
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EP0584794A3 (en)	1995-04-19	Electrobiochemical analytical method and electrodes.
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GR3019807T3 (en)	1996-07-31	Practice projectile and method for fabrication.
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EP0734029A3 (en)	1997-04-02	Radiographic phosphor panel, phosphor, and phosphor modification method
EP0616353A3 (en)	1994-11-09	Cathode assembly and method of manufacturing the same.
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KR100243946B1 (en)	2000-02-01	Color cathode ray tube and the manufacturing method thereof
EP0640836A3 (en)	1995-12-20	Immunoassay method.
EP0641009A3 (en)	1996-03-06	Color cathode ray tube and method of manufacturing the same.
EP0653903A3 (en)	1996-12-04	Fluorescent tube assembly and method.
ZA9410044B (en)	1995-08-24	Connection tubes
EP0682355A4 (en)	1997-05-28	Bulb-form fluorescent lamp and method for its manufacture.
GB9623069D0 (en)	1997-01-08	Flagpole Assembly
EP0660376A3 (en)	1996-11-27	Electrodeless lamp.

Legal Events

Date	Code	Title	Description
1995-03-31	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
1995-05-17	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB
1996-10-18	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1996-12-04	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB
1997-09-26	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
1997-11-12	18D	Application deemed to be withdrawn	Effective date: 19970506