JPS6249447U - - Google Patents
Info
- Publication number
- JPS6249447U JPS6249447U JP14137985U JP14137985U JPS6249447U JP S6249447 U JPS6249447 U JP S6249447U JP 14137985 U JP14137985 U JP 14137985U JP 14137985 U JP14137985 U JP 14137985U JP S6249447 U JPS6249447 U JP S6249447U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- lighting bulb
- switching element
- turned
- valve
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Details Of Measuring Devices (AREA)
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
Description
第１図は本考案に係る減光回路の実施例を示す
回路図、第２図は第１図回路の具体的取付け状態
を示す側面図、第３図は従来の減光回路を示す回
路図である。
１……ライト照明用スイツチ、２……メータ照
明用バルブ、３……トランジスタ、４……ウオー
ニングバルブ、５……抵抗、７……レオスタツト
、８……受光スイツチング素子。
Fig. 1 is a circuit diagram showing an embodiment of the dimmer circuit according to the present invention, Fig. 2 is a side view showing a specific installation state of the circuit shown in Fig. 1, and Fig. 3 is a circuit diagram showing a conventional dimmer circuit. It is. DESCRIPTION OF SYMBOLS 1... Light illumination switch, 2... Meter lighting bulb, 3... Transistor, 4... Warning bulb, 5... Resistor, 7... Rheostat, 8... Light receiving switching element.
Claims (1)
流供給を制御するスイツチと、前記照明用バルブ
から発する光によつてオンオフする受光スイツチ
ング素子と、前記スイツチング素子の出力によつ
てオンオフするトランジスタと、前記トランジス
タと並列接続された抵抗と、前記トランジスタと
直列接続されたウオーニング用などの他のバルブ
とを備えたことを特徴とする自動車用計器の減光
回路。 a meter lighting bulb and a switch for controlling current supply to the lighting bulb; a light receiving switching element that is turned on and off by light emitted from the lighting bulb; a transistor that is turned on and off by the output of the switching element; 1. A dimming circuit for an automobile instrument, comprising: a resistor connected in parallel with a transistor; and another valve, such as a warning valve, connected in series with the transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14137985U JPH064269Y2 (en) | 1985-09-18 | 1985-09-18 | Dimming circuit for automobile instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14137985U JPH064269Y2 (en) | 1985-09-18 | 1985-09-18 | Dimming circuit for automobile instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6249447U true JPS6249447U (en) | 1987-03-27 |
| JPH064269Y2 JPH064269Y2 (en) | 1994-02-02 |
Family
ID=31049103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14137985U Expired - Lifetime JPH064269Y2 (en) | 1985-09-18 | 1985-09-18 | Dimming circuit for automobile instrument |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH064269Y2 (en) |
-
1985
- 1985-09-18 JP JP14137985U patent/JPH064269Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH064269Y2 (en) | 1994-02-02 |