EP0727809A3 - Fluorescent lamp with end of life arc quenching structure - Google Patents

Fluorescent lamp with end of life arc quenching structure Download PDF

Info

Publication number
EP0727809A3
EP0727809A3 EP96102374A EP96102374A EP0727809A3 EP 0727809 A3 EP0727809 A3 EP 0727809A3 EP 96102374 A EP96102374 A EP 96102374A EP 96102374 A EP96102374 A EP 96102374A EP 0727809 A3 EP0727809 A3 EP 0727809A3
Authority
EP
European Patent Office
Prior art keywords
fluorescent lamp
arc quenching
quenching structure
life arc
life
Prior art date
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
EP96102374A
Other languages
German (de)
French (fr)
Other versions
EP0727809A2 (en
EP0727809B1 (en
Inventor
John W Shaffer
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.)
Osram Sylvania Inc
Original Assignee
Osram Sylvania Inc
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.)
Filing date
Publication date
Application filed by Osram Sylvania Inc filed Critical Osram Sylvania Inc
Priority to EP19960102374 priority Critical patent/EP0727809B1/en
Publication of EP0727809A2 publication Critical patent/EP0727809A2/en
Publication of EP0727809A3 publication Critical patent/EP0727809A3/en
Application granted granted Critical
Publication of EP0727809B1 publication Critical patent/EP0727809B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • 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
EP19960102374 1995-02-17 1996-02-16 Fluorescent lamp with end of life arc quenching structure Expired - Lifetime EP0727809B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19960102374 EP0727809B1 (en) 1995-02-17 1996-02-16 Fluorescent lamp with end of life arc quenching structure

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US38999595A 1995-02-17 1995-02-17
US38995 1995-02-17
EP19960102374 EP0727809B1 (en) 1995-02-17 1996-02-16 Fluorescent lamp with end of life arc quenching structure

Publications (3)

Publication Number Publication Date
EP0727809A2 EP0727809A2 (en) 1996-08-21
EP0727809A3 true EP0727809A3 (en) 1997-02-05
EP0727809B1 EP0727809B1 (en) 2000-05-31

Family

ID=26141754

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19960102374 Expired - Lifetime EP0727809B1 (en) 1995-02-17 1996-02-16 Fluorescent lamp with end of life arc quenching structure

Country Status (1)

Country Link
EP (1) EP0727809B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10218827A1 (en) * 2002-04-26 2003-11-06 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Low-pressure discharge lamp with switch-off device at the end of its service life

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS563967A (en) * 1979-06-25 1981-01-16 Mitsubishi Electric Corp Starter-built in type metal vapor discharge lamp
JPS57202455A (en) * 1981-06-08 1982-12-11 Matsushita Electric Ind Co Ltd Vacuum tube type solar heat collector
GB2137410A (en) * 1983-03-30 1984-10-03 Tokyo Shibaura Electric Co Metal vapor discharge lamp having a starting device of a thermal switch type
SU1145384A1 (en) * 1983-10-20 1985-03-15 Ереванский Электроламповый Завод Gas-filled incandescent lamp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS563967A (en) * 1979-06-25 1981-01-16 Mitsubishi Electric Corp Starter-built in type metal vapor discharge lamp
JPS57202455A (en) * 1981-06-08 1982-12-11 Matsushita Electric Ind Co Ltd Vacuum tube type solar heat collector
GB2137410A (en) * 1983-03-30 1984-10-03 Tokyo Shibaura Electric Co Metal vapor discharge lamp having a starting device of a thermal switch type
SU1145384A1 (en) * 1983-10-20 1985-03-15 Ереванский Электроламповый Завод Gas-filled incandescent lamp

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 8538, Derwent World Patents Index; AN 85-235489, XP002020957 *
PATENT ABSTRACTS OF JAPAN vol. 005, no. 051 (E - 051) 10 April 1981 (1981-04-10) *
PATENT ABSTRACTS OF JAPAN vol. 007, no. 055 (M - 198) 5 March 1983 (1983-03-05) *

Also Published As

Publication number Publication date
EP0727809A2 (en) 1996-08-21
EP0727809B1 (en) 2000-05-31

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