EP0079969A4 - Niederdruckquecksilber-dampfentladungslampe. - Google Patents

Niederdruckquecksilber-dampfentladungslampe.

Info

Publication number
EP0079969A4
EP0079969A4 EP19820901620 EP82901620A EP0079969A4 EP 0079969 A4 EP0079969 A4 EP 0079969A4 EP 19820901620 EP19820901620 EP 19820901620 EP 82901620 A EP82901620 A EP 82901620A EP 0079969 A4 EP0079969 A4 EP 0079969A4
Authority
EP
European Patent Office
Prior art keywords
low pressure
discharge lamp
lamp unit
pressure mercury
mercury vapor
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
EP19820901620
Other languages
English (en)
French (fr)
Other versions
EP0079969B1 (de
EP0079969A1 (de
Inventor
Toshiro Mitsubishi De Kajiwara
Yoshinori Mitsubishi Den Anzai
Takeo Mitsubishi Denk Saikatsu
Goroku Mitsubishi De Kobayashi
Shunichi Mitsubishi D Morimoto
Hiroyoshi Mitsubishi Yamazaki
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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
Priority claimed from JP8144181A external-priority patent/JPS57196497A/ja
Priority claimed from JP11036981A external-priority patent/JPS5812251A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP0079969A1 publication Critical patent/EP0079969A1/de
Publication of EP0079969A4 publication Critical patent/EP0079969A4/de
Application granted granted Critical
Publication of EP0079969B1 publication Critical patent/EP0079969B1/de
Expired legal-status Critical Current

Links

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
    • 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
    • H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation
EP82901620A 1981-05-28 1982-05-28 Niederdruckquecksilber-dampfentladungslampe Expired EP0079969B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP81441/81 1981-05-28
JP8144181A JPS57196497A (en) 1981-05-28 1981-05-28 Low pressure mercury vapor discharge lamp firing device
JP110369/81 1981-07-15
JP11036981A JPS5812251A (ja) 1981-07-15 1981-07-15 低圧水銀蒸気放電灯装置

Publications (3)

Publication Number Publication Date
EP0079969A1 EP0079969A1 (de) 1983-06-01
EP0079969A4 true EP0079969A4 (de) 1984-11-07
EP0079969B1 EP0079969B1 (de) 1988-11-02

Family

ID=26422465

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82901620A Expired EP0079969B1 (de) 1981-05-28 1982-05-28 Niederdruckquecksilber-dampfentladungslampe

Country Status (3)

Country Link
EP (1) EP0079969B1 (de)
DE (1) DE3279197D1 (de)
WO (1) WO1982004373A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8205026A (nl) * 1982-12-29 1984-07-16 Philips Nv Inrichting voorzien van een met tenminste twee inwendige elektroden uitgeruste metaaldampontladingsbuis.
FI98876C (fi) * 1989-12-29 1997-08-25 Zumtobel Ag Kytkentälaite ja menetelmä kaasunpurkauslampun käyttämiseksi (ja sytytämiseksi)
KR960706281A (ko) * 1993-11-03 1996-11-08 다글러스 이. 스코트 전자 디스플레이 장치의 후면조명을 위한 고효율 자외선 배면광 시스템 (high efficiency uv backlighting system for rear illumination of electronic display devices)
US6400097B1 (en) * 2001-10-18 2002-06-04 General Electric Company Low wattage fluorescent lamp

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL166381C (nl) * 1971-05-08 1981-07-15 Philips Nv Werkwijze voor het bedrijven van een lagedrukkwikdamp- ontladingslamp, en inrichting voor het uitvoeren van deze werkwijze.
JPS4962372U (de) * 1972-09-06 1974-05-31
JPS49103278U (de) * 1972-12-25 1974-09-05

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8204373A1 *

Also Published As

Publication number Publication date
DE3279197D1 (en) 1988-12-08
EP0079969B1 (de) 1988-11-02
WO1982004373A1 (en) 1982-12-09
EP0079969A1 (de) 1983-06-01

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