JPS6151589U - - Google Patents
Info
- Publication number
- JPS6151589U JPS6151589U JP13455884U JP13455884U JPS6151589U JP S6151589 U JPS6151589 U JP S6151589U JP 13455884 U JP13455884 U JP 13455884U JP 13455884 U JP13455884 U JP 13455884U JP S6151589 U JPS6151589 U JP S6151589U
- Authority
- JP
- Japan
- Prior art keywords
- lamp
- external contact
- check circuit
- out check
- display device
- 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 3
Description
第１図は本考案の一実施例を示すランプ切れチ
エツク回路を有した表示器の構成図、第２図は本
考案の他の実施例を示すランプ切れチエツク回路
を有した表示器の構成図、第３図は従来の表示器
の構成図である。
１……押しボタン、２−１〜２−Ｎ……ダイオ
ード、３−１〜３−Ｎ……ランプ、４……直流電
源、５−１〜５−Ｎ……表示器、６−１〜６−Ｎ
……外部接点、７−１〜７−Ｎ……発光ダイオー
ド、８−１〜８−Ｎ……抵抗器、９……パネル。
Fig. 1 is a block diagram of a display device having a lamp burnout check circuit showing one embodiment of the present invention, and Fig. 2 is a block diagram of a display device having a lamp burnout check circuit showing another embodiment of the present invention. , FIG. 3 is a block diagram of a conventional display device. 1... Push button, 2-1 to 2-N... Diode, 3-1 to 3-N... Lamp, 4... DC power supply, 5-1 to 5-N... Display, 6-1 to 6-N
...External contact, 7-1 to 7-N...Light emitting diode, 8-1 to 8-N...Resistor, 9...Panel.
Claims (1)
蔵した表示器において、押しボタンと発光ダイオ
ード回路とが直列となるムンプ切れチエツク回路
を設け、そのランプ切れチエツク回路を前記外部
接点と並列に接続したことを特徴とする表示器。 In a display having a built-in lamp that flashes in response to the opening and closing of an external contact, a lump-out check circuit is provided in which a push button and a light-emitting diode circuit are connected in series, and the lamp-out check circuit is connected in parallel with the external contact. A display device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13455884U JPS6151589U (en) | 1984-09-06 | 1984-09-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13455884U JPS6151589U (en) | 1984-09-06 | 1984-09-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6151589U true JPS6151589U (en) | 1986-04-07 |
Family
ID=30693067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13455884U Pending JPS6151589U (en) | 1984-09-06 | 1984-09-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6151589U (en) |
-
1984
- 1984-09-06 JP JP13455884U patent/JPS6151589U/ja active Pending