JPH0328046U - - Google Patents
Info
- Publication number
- JPH0328046U JPH0328046U JP8802289U JP8802289U JPH0328046U JP H0328046 U JPH0328046 U JP H0328046U JP 8802289 U JP8802289 U JP 8802289U JP 8802289 U JP8802289 U JP 8802289U JP H0328046 U JPH0328046 U JP H0328046U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- zener diode
- resistor
- power supply
- control circuit
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Description
第１図はこの考案に係る車載用音響機器の制御
回路の実施例を示し、第１図ａは回路図、第１図
ｂはノイズ電流とＡ点の電位の変動の状態を示す
図、第２図は従来の実施例を示す回路図である。
主な符号の説明、１……コネクタ、２，３……
信号ライン、４……電源ライン、７……ツエナー
ダイオード、８……トランジスタ、９……抵抗器
、１０……ダイオード、Ｉ……ノイズ電流。
FIG. 1 shows an embodiment of the control circuit for an in-vehicle audio device according to this invention, FIG. 1a is a circuit diagram, FIG. FIG. 2 is a circuit diagram showing a conventional embodiment. Explanation of main symbols, 1... Connector, 2, 3...
Signal line, 4...Power supply line, 7...Zener diode, 8...Transistor, 9...Resistor, 10...Diode, I...Noise current.
Claims (1)
され、前記電源ラインはダイオードと抵抗器とツ
エナーダイオードとの直列回路からなり、ツエナ
ーダイオードの一方の端子は、車載用音響機器の
電源部を制御するトランジスタのベースに接続す
るようにした車載用音響機器の制御回路において
、 コネクタの端子には前記抵抗器の一方の端子を
接続し、この抵抗器の他方の端子はダイオードを
介してツエナーダイオードの他方の端子に接続す
るように構成したことを特徴とする車載用音響機
器の制御回路。[Claims for Utility Model Registration] A signal line and a power supply line are connected to the connector, and the power supply line consists of a series circuit of a diode, a resistor, and a Zener diode, and one terminal of the Zener diode is connected to an in-vehicle acoustic In a control circuit for automotive audio equipment that is connected to the base of a transistor that controls the power supply of the equipment, one terminal of the resistor is connected to the terminal of the connector, and the other terminal of this resistor is connected to a diode. 1. A control circuit for an in-vehicle audio device, characterized in that the control circuit is configured to be connected to the other terminal of a Zener diode via the zener diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8802289U JPH0328046U (en) | 1989-07-28 | 1989-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8802289U JPH0328046U (en) | 1989-07-28 | 1989-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0328046U true JPH0328046U (en) | 1991-03-20 |
Family
ID=31637660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8802289U Pending JPH0328046U (en) | 1989-07-28 | 1989-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0328046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009061235A (en) * | 2007-09-07 | 2009-03-26 | Yoko Ogasawara | Rubber glove clip |
-
1989
- 1989-07-28 JP JP8802289U patent/JPH0328046U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009061235A (en) * | 2007-09-07 | 2009-03-26 | Yoko Ogasawara | Rubber glove clip |
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