FI107111B - Loisteputken jäljellä olevan käyttöajan määrittäminen - Google Patents

Loisteputken jäljellä olevan käyttöajan määrittäminen Download PDF

Info

Publication number: FI107111B
Authority: FI; Finland
Prior art keywords: fluorescent tube; phase; cathode; voltage; fluorescent
Prior art date: 1999-09-27

Application number

FI992063A

Other languages

English (en)

Finnish (fi)

Swedish (sv)

Other versions

FI19992063L (fi

Inventor

Jari Tabell

Original Assignee

Teknoware Oy

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.)

1999-09-27

Filing date

1999-09-27

Publication date

2001-05-31

1999-09-27 Application filed by Teknoware Oy filed Critical Teknoware Oy

1999-09-27 Priority to FI992063A priority Critical patent/FI107111B/fi

2000-09-26 Priority to EP00660165A priority patent/EP1087645A3/fr

2000-09-26 Priority to US09/670,430 priority patent/US6538448B1/en

2001-03-28 Publication of FI19992063L publication Critical patent/FI19992063L/fi

2001-05-31 Application granted granted Critical

2001-05-31 Publication of FI107111B publication Critical patent/FI107111B/fi

Links

238000000034 method Methods 0.000 claims description 11
230000008878 coupling Effects 0.000 claims description 5
238000010168 coupling process Methods 0.000 claims description 5
238000005859 coupling reaction Methods 0.000 claims description 5
239000004020 conductor Substances 0.000 claims 1
239000013543 active substance Substances 0.000 description 12
239000003990 capacitor Substances 0.000 description 7
238000012423 maintenance Methods 0.000 description 5
238000005259 measurement Methods 0.000 description 3
238000000137 annealing Methods 0.000 description 2
239000000945 filler Substances 0.000 description 2
238000010438 heat treatment Methods 0.000 description 2
230000005855 radiation Effects 0.000 description 2
241001465382 Physalis alkekengi Species 0.000 description 1
240000008042 Zea mays Species 0.000 description 1
235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
235000002017 Zea mays subsp mays Nutrition 0.000 description 1
235000005822 corn Nutrition 0.000 description 1
238000010891 electric arc Methods 0.000 description 1
230000000977 initiatory effect Effects 0.000 description 1
239000000463 material Substances 0.000 description 1
210000000056 organ Anatomy 0.000 description 1
238000009877 rendering Methods 0.000 description 1
230000000007 visual effect Effects 0.000 description 1
238000004804 winding Methods 0.000 description 1

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
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
- H05B41/295—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
- H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2988—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp against abnormal operating conditions
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection

Landscapes

Circuit Arrangements For Discharge Lamps (AREA)

FI992063A 1999-09-27 1999-09-27 Loisteputken jäljellä olevan käyttöajan määrittäminen FI107111B (fi)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
FI992063A FI107111B (fi)	1999-09-27	1999-09-27	Loisteputken jäljellä olevan käyttöajan määrittäminen
EP00660165A EP1087645A3 (fr)	1999-09-27	2000-09-26	Détermination de la durée de vie restante d'une lampe fluorescente
US09/670,430 US6538448B1 (en)	1999-09-27	2000-09-26	Determining remaining operating life of fluorescent lamp

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI992063A FI107111B (fi)	1999-09-27	1999-09-27	Loisteputken jäljellä olevan käyttöajan määrittäminen
FI992063		1999-09-27

Publications (2)

Publication Number	Publication Date
FI19992063L FI19992063L (fi)	2001-03-28
FI107111B true FI107111B (fi)	2001-05-31

Family

ID=8555354

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI992063A FI107111B (fi)	1999-09-27	1999-09-27	Loisteputken jäljellä olevan käyttöajan määrittäminen

Country Status (3)

Country	Link
US (1)	US6538448B1 (fr)
EP (1)	EP1087645A3 (fr)
FI (1)	FI107111B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2388722B (en) *	2002-05-14	2005-09-14	Mackwell Electronics Ltd	Monitoring apparatus
US7116055B2 (en) *	2003-10-15	2006-10-03	Lutron Electronics Co., Inc.	Apparatus and methods for making spectroscopic measurements of cathode fall in fluorescent lamps
DE102005021297A1 (de) *	2005-05-09	2006-11-16	Tridonicatco Gmbh & Co. Kg	Beurteilung des Zustands einer Heizwendel
KR101176086B1 (ko) *	2006-05-30	2012-08-22	페어차일드코리아반도체 주식회사	형광램프의 수명말기 검출회로
US7560867B2 (en) *	2006-10-17	2009-07-14	Access Business Group International, Llc	Starter for a gas discharge light source
US7797117B1 (en) *	2006-12-29	2010-09-14	Musco Corporation	Method and system for early prediction of performance of HID lamps
DE202007003033U1 (de) *	2007-03-01	2007-07-12	Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH	Vorrichtung für die Messung des Stromes einer Entladungslampe
GB0823473D0 (en) *	2008-12-23	2009-01-28	Signplay Limtied	Lamp end of life prediction
US7911210B2 (en) *	2009-02-25	2011-03-22	Fairchild Korea Semiconductor Ltd	Diagnosis device, diagnosis method, and lamp ballast circuit using the same

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4277728A (en) *	1978-05-08	1981-07-07	Stevens Luminoptics	Power supply for a high intensity discharge or fluorescent lamp
EP0348943A1 (fr) *	1988-06-30	1990-01-03	Toshiba Lighting & Technology Corporation	Lampe fluorescente
US5424611A (en) *	1993-12-22	1995-06-13	At&T Corp.	Method for pre-heating a gas-discharge lamp
US5808597A (en)	1995-03-08	1998-09-15	Canon Kabushiki Kaisha	Illumination device for liquid crystal display apparatus
US5606224A (en) *	1995-11-22	1997-02-25	Osram Sylvania Inc.	Protection circuit for fluorescent lamps operating at failure mode
US5925986A (en) *	1996-05-09	1999-07-20	Pacific Scientific Company	Method and apparatus for controlling power delivered to a fluorescent lamp
JP3858317B2 (ja) *	1996-11-29	2006-12-13	東芝ライテック株式会社	放電灯点灯装置及び照明装置
JP2972691B2 (ja) *	1997-02-12	1999-11-08	インターナショナル・レクチファイヤー・コーポレーション	電子安定器のための位相制御回路
EP0926928B1 (fr) *	1997-04-17	2005-01-05	Toshiba Lighting & Technology Corporation	Piece d'eclairage a lampe a decharge et dispositif de commande d'eclairage
FI104035B (fi) *	1998-02-12	1999-10-29	Teknoware Oy	Menetelmä ja järjestely loisteputken jäljellä olevan käyttöiän määrittämiseksi

1999
- 1999-09-27 FI FI992063A patent/FI107111B/fi not_active IP Right Cessation
2000
- 2000-09-26 EP EP00660165A patent/EP1087645A3/fr not_active Withdrawn
- 2000-09-26 US US09/670,430 patent/US6538448B1/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP1087645A2 (fr)	2001-03-28
FI19992063L (fi)	2001-03-28
US6538448B1 (en)	2003-03-25
EP1087645A3 (fr)	2002-04-03

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Legal Events

Date	Code	Title	Description
2019-05-08	MM	Patent lapsed