JPS5428486A - Dimming circuit - Google Patents
Dimming circuitInfo
- 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
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
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)
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 |
-
1977
- 1977-08-04 JP JP9386777A patent/JPS5428486A/en active Pending
Cited By (3)
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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