JPS62107532U - - Google Patents
Info
- Publication number
- JPS62107532U JPS62107532U JP19868485U JP19868485U JPS62107532U JP S62107532 U JPS62107532 U JP S62107532U JP 19868485 U JP19868485 U JP 19868485U JP 19868485 U JP19868485 U JP 19868485U JP S62107532 U JPS62107532 U JP S62107532U
- Authority
- JP
- Japan
- Prior art keywords
- power source
- main power
- switching
- electric circuit
- fet
- 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 4
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Description
第1図、第2図は従来の装置の電気回路図、第
3図は本考案の一実施例の電気回路図、第4図は
本考案の他の実施例の電気回路図である。第5図
A〜Cはカメラに適用された第3図示実施例の概
略構成図。
図において1……主電源、2……バツクアツプ
電源、4……IC、12,12A……FETであ
る。
1 and 2 are electrical circuit diagrams of a conventional device, FIG. 3 is an electrical circuit diagram of one embodiment of the present invention, and FIG. 4 is an electrical circuit diagram of another embodiment of the present invention. 5A to 5C are schematic configuration diagrams of the third illustrated embodiment applied to a camera. In the figure, 1...main power supply, 2...backup power supply, 4...IC, 12, 12A...FET.
Claims (1)
ツプ電源のための安全回路において、前記主電源
の供給端と前記電気回路の電源受入端との間に接
続されるFETと、前記主電源からの出力電圧に
よりスイツチングして前記FETを不作動状態か
ら作動状態とするスイツチング手段とを設けたこ
とを特徴とするバツクアツプ電源のための安全回
路。 In a safety circuit for a backup power source that backs up the main power source of an electric circuit, an FET connected between a supply end of the main power source and a power receiving end of the electric circuit, and a switching device based on the output voltage from the main power source. and switching means for switching the FET from an inoperative state to an active state.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19868485U JPS62107532U (en) | 1985-12-23 | 1985-12-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19868485U JPS62107532U (en) | 1985-12-23 | 1985-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62107532U true JPS62107532U (en) | 1987-07-09 |
Family
ID=31159601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19868485U Pending JPS62107532U (en) | 1985-12-23 | 1985-12-23 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62107532U (en) |
-
1985
- 1985-12-23 JP JP19868485U patent/JPS62107532U/ja active Pending