JPS5231580A - Discharge lamp switching device - Google Patents

Discharge lamp switching device

Info

Publication number
JPS5231580A
JPS5231580A JP10705875A JP10705875A JPS5231580A JP S5231580 A JPS5231580 A JP S5231580A JP 10705875 A JP10705875 A JP 10705875A JP 10705875 A JP10705875 A JP 10705875A JP S5231580 A JPS5231580 A JP S5231580A
Authority
JP
Japan
Prior art keywords
discharge lamp
switching device
lamp switching
psophometric
raise
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
JP10705875A
Other languages
Japanese (ja)
Inventor
Masahiko Koshihara
Makoto Saito
Toshimichi Okada
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.)
Iwasaki Denki KK
Original Assignee
Iwasaki Denki KK
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 Iwasaki Denki KK filed Critical Iwasaki Denki KK
Priority to JP10705875A priority Critical patent/JPS5231580A/en
Publication of JPS5231580A publication Critical patent/JPS5231580A/en
Pending legal-status Critical Current

Links

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

PURPOSE:A discharge lamp switching device which can raise a color temperature of a light source without adding any improvement to the discharge lamp or lowering luminous efficiency by a large margin and further heightens a little of mean psophometric value.
JP10705875A 1975-09-05 1975-09-05 Discharge lamp switching device Pending JPS5231580A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10705875A JPS5231580A (en) 1975-09-05 1975-09-05 Discharge lamp switching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10705875A JPS5231580A (en) 1975-09-05 1975-09-05 Discharge lamp switching device

Publications (1)

Publication Number Publication Date
JPS5231580A true JPS5231580A (en) 1977-03-10

Family

ID=14449419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10705875A Pending JPS5231580A (en) 1975-09-05 1975-09-05 Discharge lamp switching device

Country Status (1)

Country Link
JP (1) JPS5231580A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6151799A (en) * 1984-08-21 1986-03-14 日本電池株式会社 Method of starting high pressure sodium lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6151799A (en) * 1984-08-21 1986-03-14 日本電池株式会社 Method of starting high pressure sodium lamp
JPH0568080B2 (en) * 1984-08-21 1993-09-28 Japan Storage Battery Co Ltd

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