JPH0421139U - - Google Patents
Info
- Publication number
- JPH0421139U JPH0421139U JP6251690U JP6251690U JPH0421139U JP H0421139 U JPH0421139 U JP H0421139U JP 6251690 U JP6251690 U JP 6251690U JP 6251690 U JP6251690 U JP 6251690U JP H0421139 U JPH0421139 U JP H0421139U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- power
- light emitting
- emitting diode
- anode side
- 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 2
Landscapes
- Audible And Visible Signals (AREA)
- Emergency Alarm Devices (AREA)
Description
第１図に、本考案による電源回路の一実施例を
示す回路図、第２図に、従来の電源回路を示す回
路図である。
図において、１は直流電流、２はダイオード、
３は負荷、４は抵抗、５は発光ダイオードを示す
。なお、図中、同一符号は同一、または相当部分
を示す。
FIG. 1 is a circuit diagram showing an embodiment of a power supply circuit according to the present invention, and FIG. 2 is a circuit diagram showing a conventional power supply circuit. In the figure, 1 is a direct current, 2 is a diode,
3 is a load, 4 is a resistor, and 5 is a light emitting diode. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
源の極性が誤つて逆に接続された場合も、機器が
壊れない様にダイオードを挿入し逆に電源が入ら
ないように考慮されている。機器において、ダイ
オードのアノード側と直流電源の一側に発光ダイ
オードと抵抗を発光ダイオードのアノード側を直
流電源の一側に接続した事を特徴とする電源回路
。 The power circuits of devices that operate on DC power supplies are designed to prevent the device from being damaged by inserting diodes even if the polarity of the DC power source is mistakenly connected in reverse. 1. A power supply circuit for equipment, characterized in that a light emitting diode and a resistor are connected to the anode side of the diode and one side of the DC power supply, and the anode side of the light emitting diode is connected to one side of the DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6251690U JPH0421139U (en) | 1990-06-12 | 1990-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6251690U JPH0421139U (en) | 1990-06-12 | 1990-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0421139U true JPH0421139U (en) | 1992-02-21 |
Family
ID=31591738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6251690U Pending JPH0421139U (en) | 1990-06-12 | 1990-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0421139U (en) |
-
1990
- 1990-06-12 JP JP6251690U patent/JPH0421139U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0421139U (en) | ||
| JPS6273633U (en) | ||
| JPS6389269U (en) | ||
| JPS62134078U (en) | ||
| JPS6365341U (en) | ||
| JPH0335484U (en) | ||
| JPH02104743U (en) | ||
| JPS6225446U (en) | ||
| JPS6455464U (en) | ||
| JPH0171940U (en) | ||
| JPH0421138U (en) | ||
| JPS6021968U (en) | Power supply output display circuit | |
| JPH0226376U (en) | ||
| JPH0377289U (en) | ||
| JPS5892830U (en) | Equipment power failure detection device | |
| JPS638796U (en) | ||
| JPH0299536U (en) | ||
| JPH037624U (en) | ||
| JPS5866081U (en) | arc welding machine | |
| JPH0222087U (en) | ||
| JPH0171455U (en) | ||
| JPH0421137U (en) | ||
| JPS6087090U (en) | display device | |
| JPH0164929U (en) | ||
| JPS6349261U (en) |