JPS5834299U - Indicator lamp disconnection detection circuit - Google Patents
Indicator lamp disconnection detection circuitInfo
- Publication number
- JPS5834299U JPS5834299U JP12742981U JP12742981U JPS5834299U JP S5834299 U JPS5834299 U JP S5834299U JP 12742981 U JP12742981 U JP 12742981U JP 12742981 U JP12742981 U JP 12742981U JP S5834299 U JPS5834299 U JP S5834299U
- Authority
- JP
- Japan
- Prior art keywords
- indicator lamp
- detection circuit
- disconnection detection
- light
- lamp disconnection
- 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
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図は本考案の一実施例としての表示ランプ−の断線
検出回路図である。
図において、1は表示ユニットの表示部、2は同ユニッ
トの操作卓、4は発光ランプ、及び5は発光ダイオード
である。FIG. 1 is a circuit diagram for detecting disconnection of an indicator lamp as an embodiment of the present invention. In the figure, 1 is a display section of a display unit, 2 is an operation console of the same unit, 4 is a light emitting lamp, and 5 is a light emitting diode.
Claims (1)
スイッチ及び表示状態パイロットを行な−う操作卓とか
らなる表示ユニットにおいて、操作卓に発光ランプの断
線状態チェックのための発光ダイオードを前記スイッチ
と直列に挿入したことを特徴とする表示ランプの断線検
出回路。In a display unit consisting of a display section in which a number of light-emitting lamps are arranged side by side, and a control console for piloting the lamp lighting switch and display status, the control console includes a light-emitting diode for checking the disconnection state of the light-emitting lamp, and the switch A disconnection detection circuit for an indicator lamp, characterized in that the circuit is inserted in series with the indicator lamp.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12742981U JPS5834299U (en) | 1981-08-28 | 1981-08-28 | Indicator lamp disconnection detection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12742981U JPS5834299U (en) | 1981-08-28 | 1981-08-28 | Indicator lamp disconnection detection circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5834299U true JPS5834299U (en) | 1983-03-05 |
Family
ID=29921157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12742981U Pending JPS5834299U (en) | 1981-08-28 | 1981-08-28 | Indicator lamp disconnection detection circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5834299U (en) |
-
1981
- 1981-08-28 JP JP12742981U patent/JPS5834299U/en active Pending
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