JPS6035392U - power selection circuit - Google Patents
power selection circuitInfo
- Publication number
- JPS6035392U JPS6035392U JP12741583U JP12741583U JPS6035392U JP S6035392 U JPS6035392 U JP S6035392U JP 12741583 U JP12741583 U JP 12741583U JP 12741583 U JP12741583 U JP 12741583U JP S6035392 U JPS6035392 U JP S6035392U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- supply voltage
- selection circuit
- input terminal
- load
- 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図は従来の電源選択回路を示す図、第２図は本考案
の一実施例を示す図、第３図は本考案の他の実施例を示
す図である。
７・・・負荷（負荷回路）、ａ、ｂ、ｃ・・・入力端子
、８．８’、９．１０・・・スイッチ回路、１１・・・
スイッチ回路群、１２・・・検出回路、１３・・・電源
選択回路。FIG. 1 is a diagram showing a conventional power supply selection circuit, FIG. 2 is a diagram showing one embodiment of the present invention, and FIG. 3 is a diagram showing another embodiment of the present invention. 7... Load (load circuit), a, b, c... Input terminal, 8.8', 9.10... Switch circuit, 11...
Switch circuit group, 12... detection circuit, 13... power supply selection circuit.
Claims (1)
スイッチ回路のうちの、１つの入力端子に電源電圧が印
加され且つ該電源電圧が他の入力端子に印加されている
電源電圧より優先順位の高い時、又は他の入力端子に電
源電圧が印加されていない時に前記１つの入力端子に印
加された電源電圧のみを負荷に供給するスイッチ回路群
と、前記スイッチ回路群の後段に設けられ前記負荷短絡
時に電源電圧を供給しているスイッチ回路をオフとする
信号を出力する検出回路より成ることを特徴とする電源
選択回路。A power supply voltage is applied to one input terminal of a plurality of switch circuits inserted in a path for supplying power supply voltage to a load, and the power supply voltage has priority over power supply voltages applied to other input terminals. a switch circuit group that supplies only the power supply voltage applied to the one input terminal to the load when the power supply voltage is high or when no power supply voltage is applied to the other input terminal; A power supply selection circuit comprising a detection circuit that outputs a signal to turn off a switch circuit that supplies power supply voltage when a load short-circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12741583U JPS6035392U (en) | 1983-08-18 | 1983-08-18 | power selection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12741583U JPS6035392U (en) | 1983-08-18 | 1983-08-18 | power selection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6035392U true JPS6035392U (en) | 1985-03-11 |
Family
ID=30289392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12741583U Pending JPS6035392U (en) | 1983-08-18 | 1983-08-18 | power selection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6035392U (en) |
-
1983
- 1983-08-18 JP JP12741583U patent/JPS6035392U/en active Pending
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