JPS60102151U - light switch circuit - Google Patents
light switch circuitInfo
- Publication number
- JPS60102151U JPS60102151U JP19566583U JP19566583U JPS60102151U JP S60102151 U JPS60102151 U JP S60102151U JP 19566583 U JP19566583 U JP 19566583U JP 19566583 U JP19566583 U JP 19566583U JP S60102151 U JPS60102151 U JP S60102151U
- Authority
- JP
- Japan
- Prior art keywords
- light switch
- circuit
- capacitor
- supply line
- power supply
- 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
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図および第２図は従来のライトスイッチ回路の異な
る例を示す回路図、第３図は本考案の一実施例を示す回
路図である。
図中、Ｌ工〜Ｌ３はパイロットランプ（照明口 。
路）、Ｔｒはトランジスタ、ＳＷはライトスイッチ、Ｃ
□、Ｃ２はコンデンサ、Ｒ１，Ｒ２は抵抗、円はディマ
ー回路からの電源である。 ・補正 昭５９．７
．１７
実用新案登録請求の範囲を次のように補正する。
Ｏ実用新案登録請求の範囲
ディマー回路から車載用ラジオ受信機の照明回路に至る
電源ラインに介在して該照明回路の電源を制御するライ
トスイッチ回路において、該電源ラインにコレクタ、エ
ミッタ間を介在させたトランジスタト、該トランジスタ
のベースとアース間に接続されム三ンデンサと、該電源
ラインに一端を接続した充電用抵抗と、アースに一端を
接続した放電用抵抗と、前記照明回路に電源を供給する
ときは該充電用抵抗を前記ユンデンサと直列に接続し、
また該照明回路への電源を断つときは前記放電用抵抗を
該コンデンサに並列に接続するライトスイッチとを備え
てなることを特徴とするライトスイッチ回路。1 and 2 are circuit diagrams showing different examples of conventional light switch circuits, and FIG. 3 is a circuit diagram showing an embodiment of the present invention. In the diagram, L-L3 are pilot lamps (lighting ports), Tr is a transistor, SW is a light switch, and C
□ and C2 are capacitors, R1 and R2 are resistors, and a circle is the power source from the dimmer circuit.・Correction 1986.7
．． 17 The scope of claims for utility model registration shall be amended as follows. O Utility Model Registration Scope of Claims In a light switch circuit that is interposed in a power line from a dimmer circuit to a lighting circuit of an in-vehicle radio receiver to control the power of the lighting circuit, the power line is interposed between a collector and an emitter. supplying power to the lighting circuit; When doing so, connect the charging resistor in series with the yundensor,
A light switch circuit further comprising a light switch that connects the discharging resistor in parallel to the capacitor when cutting off power to the lighting circuit.
Claims (1)
電源ラインに介在して該照明回路の電源を制御するライ
トスイッチ回路において、該電源ラインにコレクタ、エ
ミッタ間を介在させたトランジスタと、該トランジスタ
のベースとアース間に接続された第１のコンデンサと、
該電源ラインに一端を接続した充電用抵抗と、アースに
一端を接続した放電用抵抗と、前記照明回路に電源を供
給するときは該充電用抵抗を前記第１のコンデンサと直
列に接続し、また該照明回路への電源を断つときは前記
放電用抵抗を該コンデンサに並列に接続するライトスイ
ッチと、前記電源ラインとアース間に接続されたノイズ
吸収用の第２のコンデンサとを備えてなることを特徴と
するライトスイッチ回路。In a light switch circuit that is interposed in a power supply line from a dimmer circuit to a lighting circuit of a vehicle radio receiver and controls the power of the lighting circuit, a transistor whose collector and emitter are interposed in the power supply line, and a a first capacitor connected between the base and ground;
a charging resistor having one end connected to the power supply line; a discharging resistor having one end connected to ground; when supplying power to the lighting circuit, the charging resistor is connected in series with the first capacitor; The light switch also includes a light switch that connects the discharging resistor in parallel to the capacitor when cutting off power to the lighting circuit, and a second capacitor for noise absorption connected between the power supply line and ground. A light switch circuit characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19566583U JPS60102151U (en) | 1983-12-19 | 1983-12-19 | light switch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19566583U JPS60102151U (en) | 1983-12-19 | 1983-12-19 | light switch circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60102151U true JPS60102151U (en) | 1985-07-12 |
| JPS64350Y2 JPS64350Y2 (en) | 1989-01-06 |
Family
ID=30420119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19566583U Granted JPS60102151U (en) | 1983-12-19 | 1983-12-19 | light switch circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60102151U (en) |
-
1983
- 1983-12-19 JP JP19566583U patent/JPS60102151U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS64350Y2 (en) | 1989-01-06 |
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