JPS6284199U - - Google Patents
Info
- Publication number
- JPS6284199U JPS6284199U JP17574885U JP17574885U JPS6284199U JP S6284199 U JPS6284199 U JP S6284199U JP 17574885 U JP17574885 U JP 17574885U JP 17574885 U JP17574885 U JP 17574885U JP S6284199 U JPS6284199 U JP S6284199U
- Authority
- JP
- Japan
- Prior art keywords
- lamp
- voltage
- predetermined voltage
- indicator lamp
- detecting
- 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
- Measurement Of Current Or Voltage (AREA)
- Audible And Visible Signals (AREA)
Description
第１図は本考案の原理ブロツク図、第２図は本
考案による実施例を示す回路図、第３図は第２図
のタイミングチヤート、第４図は従来例を示す回
路図、第５図は第４図のタイミングチヤートであ
る。
図において、１，１ａは電源スイツチ、２は出
力ポート、３，３ａ〜３ｃは表示ランプ、４は電
圧検出手段、４ａは電圧検出部、５はトランジス
タ、４１はツエナダイオード、Ｒ１，Ｒ２，Ｒａ
〜Ｒｃは抵抗、ｔ１は立上がり時間、ｔ２はリセ
ツト時間を示す。
Fig. 1 is a principle block diagram of the present invention, Fig. 2 is a circuit diagram showing an embodiment of the invention, Fig. 3 is a timing chart of Fig. 2, Fig. 4 is a circuit diagram showing a conventional example, Fig. 5 is the timing chart in FIG. In the figure, 1 and 1a are power switches, 2 is an output port, 3 and 3a to 3c are display lamps, 4 is a voltage detection means, 4a is a voltage detection section, 5 is a transistor, 41 is a Zener diode, R 1 , R 2 ,Ra
~Rc is the resistance, t1 is the rise time, and t2 is the reset time.
Claims (1)
ンプ３とを備えた操作パネルを有する装置におい
て、 前記表示ランプに供給される電源の所定電圧を
検出する電圧検出手段４を備え、 該電圧検出手段４により前記所定電圧を検出し
た後に、前記表示ランプ３に電源を供給すること
を特徴とするランプ表示制御回路。[Claims for Utility Model Registration] In an apparatus having an operation panel including a power switch 1 and an indicator lamp 3 for displaying the operating status, there is provided a voltage detecting means 4 for detecting a predetermined voltage of a power source supplied to the indicator lamp. A lamp display control circuit, comprising: supplying power to the display lamp 3 after the voltage detection means 4 detects the predetermined voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17574885U JPS6284199U (en) | 1985-11-15 | 1985-11-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17574885U JPS6284199U (en) | 1985-11-15 | 1985-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6284199U true JPS6284199U (en) | 1987-05-29 |
Family
ID=31115352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17574885U Pending JPS6284199U (en) | 1985-11-15 | 1985-11-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6284199U (en) |
-
1985
- 1985-11-15 JP JP17574885U patent/JPS6284199U/ja active Pending
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