JPS52138381A - Device for adjusting luminosity of discharge lamp - Google Patents

Device for adjusting luminosity of discharge lamp

Info

Publication number
JPS52138381A
JPS52138381A JP5472176A JP5472176A JPS52138381A JP S52138381 A JPS52138381 A JP S52138381A JP 5472176 A JP5472176 A JP 5472176A JP 5472176 A JP5472176 A JP 5472176A JP S52138381 A JPS52138381 A JP S52138381A
Authority
JP
Japan
Prior art keywords
discharge lamp
adjusting luminosity
luminosity
adjusting
inverter
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
JP5472176A
Other languages
Japanese (ja)
Inventor
Hiroyoshi 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
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP5472176A priority Critical patent/JPS52138381A/en
Publication of JPS52138381A publication Critical patent/JPS52138381A/en
Pending legal-status Critical Current

Links

Landscapes

  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)

Abstract

PURPOSE:To provide a stable adjustment of liminosity having a short time of pause of current of a discharge lamp in a wide range by a system in which the discharge lamp is lightened by a high frequency through a transistor series inverter, and a duty cycle of the inverter transistor is made variable.
JP5472176A 1976-05-13 1976-05-13 Device for adjusting luminosity of discharge lamp Pending JPS52138381A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5472176A JPS52138381A (en) 1976-05-13 1976-05-13 Device for adjusting luminosity of discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5472176A JPS52138381A (en) 1976-05-13 1976-05-13 Device for adjusting luminosity of discharge lamp

Publications (1)

Publication Number Publication Date
JPS52138381A true JPS52138381A (en) 1977-11-18

Family

ID=12978657

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5472176A Pending JPS52138381A (en) 1976-05-13 1976-05-13 Device for adjusting luminosity of discharge lamp

Country Status (1)

Country Link
JP (1) JPS52138381A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57175441A (en) * 1981-04-21 1982-10-28 Sanyo Denki Seisakusho:Kk Controller for luminous intensity of fluorescent lamps of vehicle
JPS58157090A (en) * 1982-03-15 1983-09-19 三菱電機株式会社 Device for firing discharge lamp
JPS58223295A (en) * 1982-06-19 1983-12-24 株式会社リコー Digital lamp regulator
JPS61271792A (en) * 1985-05-27 1986-12-02 松下電工株式会社 Inverter unit
JPS6318797U (en) * 1986-07-19 1988-02-06
JPS63218198A (en) * 1987-03-05 1988-09-12 吉武　逸誠 Radio frequency dimmer for discharge lamp of fluorescent lamp or the like
JPS6448395A (en) * 1987-04-29 1989-02-22 Omega Electronics Sa Discharge lamp exciter
WO2004084591A1 (en) * 2003-03-19 2004-09-30 Sanken Electric Co., Ltd. Lighting device of discharge lamp

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50637A (en) * 1973-05-07 1975-01-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50637A (en) * 1973-05-07 1975-01-07

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57175441A (en) * 1981-04-21 1982-10-28 Sanyo Denki Seisakusho:Kk Controller for luminous intensity of fluorescent lamps of vehicle
JPS58157090A (en) * 1982-03-15 1983-09-19 三菱電機株式会社 Device for firing discharge lamp
JPS58223295A (en) * 1982-06-19 1983-12-24 株式会社リコー Digital lamp regulator
JPS61271792A (en) * 1985-05-27 1986-12-02 松下電工株式会社 Inverter unit
JPH0378759B2 (en) * 1985-05-27 1991-12-16 Matsushita Electric Works Ltd
JPS6318797U (en) * 1986-07-19 1988-02-06
JPH0524157Y2 (en) * 1986-07-19 1993-06-18
JPS63218198A (en) * 1987-03-05 1988-09-12 吉武　逸誠 Radio frequency dimmer for discharge lamp of fluorescent lamp or the like
JPS6448395A (en) * 1987-04-29 1989-02-22 Omega Electronics Sa Discharge lamp exciter
WO2004084591A1 (en) * 2003-03-19 2004-09-30 Sanken Electric Co., Ltd. Lighting device of discharge lamp

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