JPS59109099U - Indicator light disconnection detection device - Google Patents
Indicator light disconnection detection deviceInfo
- Publication number
- JPS59109099U JPS59109099U JP224283U JP224283U JPS59109099U JP S59109099 U JPS59109099 U JP S59109099U JP 224283 U JP224283 U JP 224283U JP 224283 U JP224283 U JP 224283U JP S59109099 U JPS59109099 U JP S59109099U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- indicator light
- voltage
- detection device
- disconnection detection
- 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
Landscapes
- Illuminated Signs And Luminous Advertising (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図は本考案による表示灯断線検出装置の一実施例を
示す回路図、第２図は第１図に用いたレベル検出器の構
成例を示す回路図である。
ＬＲ１〜ＬＲＮ・・・表示灯Ｒ，ＬＧＩ〜ＬＧＮ・・・
表示灯Ｇ１第２のＲ・・・抵抗、Ｒ１〜ＲＮ・・・第１
の抵抗、１・・・電圧レベル検出器。FIG. 1 is a circuit diagram showing an embodiment of the indicator light disconnection detection device according to the present invention, and FIG. 2 is a circuit diagram showing an example of the configuration of the level detector used in FIG. 1. LR1~LRN... Indicator light R, LGI~LGN...
Indicator light G1 second R...resistance, R1-RN...first
resistance, 1...voltage level detector.
Claims (1)
介して電源端子間に接続される互いに等しい値に設定さ
れた第１安抵抗と、一端は前記表示灯側の電源端子に接
続し他端は表示灯と前記第１の抵抗との間にそれぞれ回
り込み阻止ダイオードを介して接続しかつ抵抗値は前記
表示灯の抵抗値より大きく設定した第２の抵抗と、前記
第１の抵抗の両端電圧を入力しこれが設定値以下に低下
すると反転動作する電圧レベル検出器とを備え、前記電
圧レベル検出器の設定値を、前記表示灯と第１の抵抗と
の合成抵抗値に対する第１の抵抗の前記電源の電圧によ
る分圧値より低（設定した表示灯断線検出装置。6. A first resistance resistor provided for each of the plurality of indicator lights and set to equal values to each other and connected between the power terminals via the corresponding indicator lights, and one end connected to the power terminal on the indicator light side, the other A second resistor whose end is connected between the indicator light and the first resistor via a loop blocking diode and whose resistance value is set to be larger than the resistance value of the indicator light, and a second resistor which is connected to both ends of the first resistor. and a voltage level detector that operates inverted when a voltage is input and the voltage drops below a set value, and the set value of the voltage level detector is determined by a first resistor relative to a combined resistance value of the indicator light and the first resistor. lower than the partial voltage value based on the voltage of the power supply (set indicator light disconnection detection device).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP224283U JPS59109099U (en) | 1983-01-13 | 1983-01-13 | Indicator light disconnection detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP224283U JPS59109099U (en) | 1983-01-13 | 1983-01-13 | Indicator light disconnection detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59109099U true JPS59109099U (en) | 1984-07-23 |
Family
ID=30133917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP224283U Pending JPS59109099U (en) | 1983-01-13 | 1983-01-13 | Indicator light disconnection detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59109099U (en) |
-
1983
- 1983-01-13 JP JP224283U patent/JPS59109099U/en active Pending
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