JPH03101898U - - Google Patents
Info
- Publication number
- JPH03101898U JPH03101898U JP945090U JP945090U JPH03101898U JP H03101898 U JPH03101898 U JP H03101898U JP 945090 U JP945090 U JP 945090U JP 945090 U JP945090 U JP 945090U JP H03101898 U JPH03101898 U JP H03101898U
- Authority
- JP
- Japan
- Prior art keywords
- light sources
- light
- light source
- resistor
- switching
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 1
Landscapes
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
- Audible And Visible Signals (AREA)
Description
第１図は本考案の一実施例の光源装置１の電気
回路図、第２図は本考案の他の実施例の光源装置
１１の電気回路図、第３図は光源装置１１に用い
られる導光部材１５の斜視図、第４図は本考案の
さらに他の実施例の光源装置２１の電気回路図で
ある。
１，１１，２１……光源装置、２……電源、３
……電源スイツチ、４，１２，１３……ガラス球
、１５……導光部材、Ｆ１〜Ｆ４……フイラメン
ト、Ｌ０〜Ｌ４……ランプ、Ｔｒ１，Ｔｒ２，Ｔ
ｒ１１〜Ｔｒ１３……トランジスタ、Ｗ１……被
照射領域。
FIG. 1 is an electric circuit diagram of a light source device 1 according to an embodiment of the present invention, FIG. 2 is an electric circuit diagram of a light source device 11 according to another embodiment of the present invention, and FIG. 3 is a guide diagram used in the light source device 11. FIG. 4, which is a perspective view of the light member 15, is an electric circuit diagram of a light source device 21 according to still another embodiment of the present invention. 1, 11, 21...Light source device, 2...Power supply, 3
...Power switch, 4,12,13...Glass bulb, 15...Light guide member, F1-F4...Filament, L0-L4...Lamp, Tr1, Tr2, T
r11 to Tr13...Transistor, W1...Irradiated area.
Claims (1)
源断線検出用抵抗と、 前記各光源のうちの１つの光源以外の残余の光
源に電力を供給／遮断するためのスイツチング素
子と、 前記各断線検出用抵抗の出力に応答して、前記
１つの光源から残余の光源を予め定める順序で、
その順序から先の光源が断線しているときに順次
的に前記スイツチング素子を制御して電力を供給
する順序回路とを含むことを特徴とする光源装置
。[Claims for Utility Model Registration] A plurality of light sources, a resistor for detecting disconnection of light sources interposed between each light source and one potential of a power source, and a resistor for detecting disconnection of light sources, which supplies power to the remaining light sources other than one of the light sources. a switching element for supplying/cutting off the light, and a switching element for switching the remaining light sources from the one light source in a predetermined order in response to the output of each of the disconnection detection resistors;
A light source device comprising: a sequential circuit that sequentially controls the switching elements and supplies power when the light source preceding the one in the order is disconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP945090U JPH03101898U (en) | 1990-01-31 | 1990-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP945090U JPH03101898U (en) | 1990-01-31 | 1990-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03101898U true JPH03101898U (en) | 1991-10-23 |
Family
ID=31513051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP945090U Pending JPH03101898U (en) | 1990-01-31 | 1990-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03101898U (en) |
-
1990
- 1990-01-31 JP JP945090U patent/JPH03101898U/ja active Pending
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