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JPS54132375A - Discharge lamp - Google Patents

Discharge lamp

Info

Publication number
JPS54132375A
JPS54132375AJP4063878AJP4063878AJPS54132375AJP S54132375 AJPS54132375 AJP S54132375AJP 4063878 AJP4063878 AJP 4063878AJP 4063878 AJP4063878 AJP 4063878AJP S54132375 AJPS54132375 AJP S54132375A
Authority
JP
Japan
Prior art keywords
tubes
light emitting
tube
frame
electrodes
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.)
Pending
Application number
JP4063878A
Other languages
Japanese (ja)
Inventor
Masahiro Dobashi
Keiichi Baba
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
Application filed by Mitsubishi Electric CorpfiledCriticalMitsubishi Electric Corp
Priority to JP4063878ApriorityCriticalpatent/JPS54132375A/en
Publication of JPS54132375ApublicationCriticalpatent/JPS54132375A/en
Pendinglegal-statusCriticalCurrent

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Abstract

PURPOSE: To equalize the light distribution of a discharge lamp having a plurality of light emitting tubes connected electrically in parallel within an external tube by obliquely arranging the respective light emitting tubes to minimize the shaped interfering portion to each other.
CONSTITUTION: Two light emitting tubes 1a, 1b contained within an external tube 15 are so arranged as to obliquely crossing substantially at X shape, and are secured at the upper and lower retainers 4 to conductive supporting frame 5 connected by a leaf spring 10. One of the electrodes 2a, 2b of the tubes 1a, 1b is connected via lead wires 6, 8 to the frame 5, and the other electrodes 3a, 3b are connected via lead wire 7 to lead wire 9. The frame 5 and the wire 9 are connected to stem lead wires 11, 12 sealed at the stem 13. The inclining angle θ of the tubes 1a, 1b is 20 to 90° to thereby prevent adverse effect of light distribution due to shaded light emitting tube not yet energized from the energized tube.
COPYRIGHT: (C)1979,JPO&Japio
JP4063878A1978-04-061978-04-06Discharge lampPendingJPS54132375A (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
JP4063878AJPS54132375A (en)1978-04-061978-04-06Discharge lamp

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
JP4063878AJPS54132375A (en)1978-04-061978-04-06Discharge lamp

Publications (1)

Publication NumberPublication Date
JPS54132375Atrue JPS54132375A (en)1979-10-15

Family

ID=12586093

Family Applications (1)

Application NumberTitlePriority DateFiling Date
JP4063878APendingJPS54132375A (en)1978-04-061978-04-06Discharge lamp

Country Status (1)

CountryLink
JP (1)JPS54132375A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US4700101A (en)*1985-02-071987-10-13Sidney EllnerElongated tubular lamp construction
US5016150A (en)*1989-10-191991-05-14Musco CorporationMeans and method for increasing output, efficiency, and flexibility of use of an arc lamp
US5134557A (en)*1989-10-191992-07-28Musco CorporationMeans and method for increasing output, efficiency, and flexibility of use of an arc lamp
US5161883A (en)*1989-10-191992-11-10Musco CorporationMeans and method for increasing output, efficiency, and flexibility of use of an arc lamp
US5229681A (en)*1989-10-101993-07-20Musco CorporationDischarge lamp with offset or tilted arc tube
US5860733A (en)*1995-04-171999-01-19Musco CorporationLight fixture with controllable light block
EP2497104A4 (en)*2009-11-052013-10-30Auralight Int AbMetal halide lamp with double arc tubes

Cited By (8)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US4700101A (en)*1985-02-071987-10-13Sidney EllnerElongated tubular lamp construction
US5229681A (en)*1989-10-101993-07-20Musco CorporationDischarge lamp with offset or tilted arc tube
US5016150A (en)*1989-10-191991-05-14Musco CorporationMeans and method for increasing output, efficiency, and flexibility of use of an arc lamp
US5134557A (en)*1989-10-191992-07-28Musco CorporationMeans and method for increasing output, efficiency, and flexibility of use of an arc lamp
US5161883A (en)*1989-10-191992-11-10Musco CorporationMeans and method for increasing output, efficiency, and flexibility of use of an arc lamp
US5860733A (en)*1995-04-171999-01-19Musco CorporationLight fixture with controllable light block
EP2497104A4 (en)*2009-11-052013-10-30Auralight Int AbMetal halide lamp with double arc tubes
US8912720B2 (en)2009-11-052014-12-16Auralight International AbMetal halide lamp with double arc tubes

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