JPS5942738U - Dimmer device for vehicle display lighting equipment - Google Patents
Dimmer device for vehicle display lighting equipmentInfo
- Publication number
- JPS5942738U JPS5942738U JP13769582U JP13769582U JPS5942738U JP S5942738 U JPS5942738 U JP S5942738U JP 13769582 U JP13769582 U JP 13769582U JP 13769582 U JP13769582 U JP 13769582U JP S5942738 U JPS5942738 U JP S5942738U
- Authority
- JP
- Japan
- Prior art keywords
- display lighting
- brightness
- vehicle display
- lighting equipment
- dimmer device
- 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
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
′ 第１図は従来の車両用調光装置の電気回路、第
２図は本考案による調光装置の電気回路の一実施例、第
３図は第２図に示した減光タイマー回路の一例、第４図
は本考案による調光装置を作動させたときの表示面の明
るさの変化を示した図である。
１・・・ライティングスイッチ、２・・・照明ランプ、
３・・・調光回路、３ａ・・・調光ノブ、４・・・自動
調光スイッチ、５・・・減光タイマー回路、５１・・・
三角波発振器、５２・・・コンパレータ。' Fig. 1 shows an electric circuit of a conventional vehicle dimmer, Fig. 2 shows an example of an electric circuit of a dimmer according to the present invention, and Fig. 3 shows an example of the dimming timer circuit shown in Fig. 2. , FIG. 4 is a diagram showing the change in brightness of the display screen when the light control device according to the present invention is operated. 1... Lighting switch, 2... Lighting lamp,
3... Dimming circuit, 3a... Dimming knob, 4... Automatic dimmer switch, 5... Dimming timer circuit, 51...
Triangular wave oscillator, 52... comparator.
Claims (1)
調光スイッチと、該自動調光スイッチをオンしたとき表
示面の明るさを所定の明るさまで増加させた後所定の割
合で減光する減光手段とを設けたことを特徴とすう車両
用表示照明装置の調光装置。A device for adjusting the brightness of a display lighting lamp includes an automatic dimmer switch and a dimming device that increases the brightness of the display surface to a predetermined brightness when the automatic dimmer switch is turned on, and then reduces the brightness at a predetermined rate. What is claimed is: 1. A light control device for a display lighting device for a vehicle, characterized by comprising: means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13769582U JPS5942738U (en) | 1982-09-13 | 1982-09-13 | Dimmer device for vehicle display lighting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13769582U JPS5942738U (en) | 1982-09-13 | 1982-09-13 | Dimmer device for vehicle display lighting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5942738U true JPS5942738U (en) | 1984-03-21 |
Family
ID=30309195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13769582U Pending JPS5942738U (en) | 1982-09-13 | 1982-09-13 | Dimmer device for vehicle display lighting equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5942738U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5326284U (en) * | 1976-08-11 | 1978-03-06 | ||
| JPS5534380B1 (en) * | 1968-07-01 | 1980-09-06 | ||
| JPS57114737A (en) * | 1981-01-09 | 1982-07-16 | Nissan Motor Co Ltd | Illuminating device of meter for vehicle |
-
1982
- 1982-09-13 JP JP13769582U patent/JPS5942738U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5534380B1 (en) * | 1968-07-01 | 1980-09-06 | ||
| JPS5326284U (en) * | 1976-08-11 | 1978-03-06 | ||
| JPS57114737A (en) * | 1981-01-09 | 1982-07-16 | Nissan Motor Co Ltd | Illuminating device of meter for vehicle |
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