JPS5428486A - Dimming circuit - Google Patents

Dimming circuit

Info

Publication number
JPS5428486A
JPS5428486A JP9386777A JP9386777A JPS5428486A JP S5428486 A JPS5428486 A JP S5428486A JP 9386777 A JP9386777 A JP 9386777A JP 9386777 A JP9386777 A JP 9386777A JP S5428486 A JPS5428486 A JP S5428486A
Authority
JP
Japan
Prior art keywords
dimming circuit
circuit
varying
minimum
light sources
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
JP9386777A
Other languages
Japanese (ja)
Inventor
Mitsuaki Ishii
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 JP9386777A priority Critical patent/JPS5428486A/en
Publication of JPS5428486A publication Critical patent/JPS5428486A/en
Pending legal-status Critical Current

Links

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

PURPOSE: To obtain a low cost circuit, by controlling consumed power at a diming circuit at a minimum by varying the duty ratios of continuous pulse signals in the light sources of an incandescent lamp, etc. used for a DC power source.
COPYRIGHT: (C)1979,JPO&Japio
JP9386777A 1977-08-04 1977-08-04 Dimming circuit Pending JPS5428486A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9386777A JPS5428486A (en) 1977-08-04 1977-08-04 Dimming circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9386777A JPS5428486A (en) 1977-08-04 1977-08-04 Dimming circuit

Publications (1)

Publication Number Publication Date
JPS5428486A true JPS5428486A (en) 1979-03-03

Family

ID=14094390

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9386777A Pending JPS5428486A (en) 1977-08-04 1977-08-04 Dimming circuit

Country Status (1)

Country Link
JP (1) JPS5428486A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5647609U (en) * 1979-09-20 1981-04-27
DE3520684A1 (en) 1984-10-31 1986-04-30 VEB Meßgerätewerk "Erich Weinert" Magdeburg, DDR 3011 Magdeburg Circuit arrangement for brightness control of incandescent bulbs
JPS6334886A (en) * 1986-07-28 1988-02-15 アルプス電気株式会社 Lamp dimmer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5647609U (en) * 1979-09-20 1981-04-27
DE3520684A1 (en) 1984-10-31 1986-04-30 VEB Meßgerätewerk "Erich Weinert" Magdeburg, DDR 3011 Magdeburg Circuit arrangement for brightness control of incandescent bulbs
JPS6334886A (en) * 1986-07-28 1988-02-15 アルプス電気株式会社 Lamp dimmer

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