JPS62185638U - - Google Patents
Info
- Publication number
- JPS62185638U JPS62185638U JP7520186U JP7520186U JPS62185638U JP S62185638 U JPS62185638 U JP S62185638U JP 7520186 U JP7520186 U JP 7520186U JP 7520186 U JP7520186 U JP 7520186U JP S62185638 U JPS62185638 U JP S62185638U
- Authority
- JP
- Japan
- Prior art keywords
- indicator light
- turned
- switching element
- switch
- indicator
- 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
- 230000005856 abnormality Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
Description
図面は本考案の一実施例を示す回路図である。
１……ブレーキランプ、２……表示灯駆動装置
、３……電界効果トランジスタ、４……抵抗、５
……トランジスタ、７……リレーの接点、８，９
……増幅器、１０……反転端子付きアンド回路、
１１……断線表示器。
The drawing is a circuit diagram showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Brake lamp, 2... Indicator light drive device, 3... Field effect transistor, 4... Resistor, 5
...transistor, 7...relay contact, 8,9
...Amplifier, 10...AND circuit with inverting terminal,
11...Disconnection indicator.
Claims (1)
電流を供給して表示灯の点灯を行なう表示灯駆動
装置において、 前記表示灯に供給される電流の供給路に介挿さ
れ、前記表示灯用スイツチの投入時にオン制御信
号が供給される第１のスイツチング素子と抵抗か
ら成る直列回路と、 前記抵抗の両端電圧が所定値以上のとき前記第
１のスイツチング素子のオン制御信号をバイパス
する第２のスイツチング素子と、 前記抵抗の両端電圧が所定値以下であり且つ前
記表示灯用スイツチの投入時に前記表示灯の異常
を警告する信号を発する論理回路とを備え、 前記直列回路と第２のスイツチング素子と論理
回路とを一体構成したことを特徴とする表示灯駆
動装置。[Scope of Claim for Utility Model Registration] In an indicator light drive device that supplies current to the indicator lamp of a vehicle to turn on the indicator lamp when the indicator light switch is turned on, a series circuit consisting of a first switching element and a resistor, which are connected to the switch and are supplied with an on control signal when the indicator light switch is turned on; a second switching element that bypasses the control signal; and a logic circuit that issues a signal warning of an abnormality in the indicator light when the voltage across the resistor is below a predetermined value and the indicator light switch is turned on; An indicator light driving device characterized by integrally comprising a series circuit, a second switching element, and a logic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7520186U JPS62185638U (en) | 1986-05-19 | 1986-05-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7520186U JPS62185638U (en) | 1986-05-19 | 1986-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62185638U true JPS62185638U (en) | 1987-11-26 |
Family
ID=30921124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7520186U Pending JPS62185638U (en) | 1986-05-19 | 1986-05-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62185638U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014069791A (en) * | 2012-10-02 | 2014-04-21 | Ichikoh Ind Ltd | Stop lamp unit |
-
1986
- 1986-05-19 JP JP7520186U patent/JPS62185638U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014069791A (en) * | 2012-10-02 | 2014-04-21 | Ichikoh Ind Ltd | Stop lamp unit |
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