JPH01138221U - - Google Patents
Info
- Publication number
- JPH01138221U JPH01138221U JP3391288U JP3391288U JPH01138221U JP H01138221 U JPH01138221 U JP H01138221U JP 3391288 U JP3391288 U JP 3391288U JP 3391288 U JP3391288 U JP 3391288U JP H01138221 U JPH01138221 U JP H01138221U
- Authority
- JP
- Japan
- Prior art keywords
- external
- constant voltage
- voltage circuit
- negative terminal
- power
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Description
第１図は本考案装置の概略回路構成図、第２図
は従来の概略回路構成図である。
１……定電圧回路、２……電池、３……外部直
流電源ジヤツク、１１……負荷、１４……電源ス
イツチ。
FIG. 1 is a schematic circuit configuration diagram of the device of the present invention, and FIG. 2 is a conventional circuit configuration diagram. DESCRIPTION OF SYMBOLS 1... Constant voltage circuit, 2... Battery, 3... External DC power supply jack, 11... Load, 14... Power switch.
Claims (1)
との間に定電圧回路を接続し、前記定電圧回路の
出力側に内蔵電池の正極を接続すると共に前記外
部直流電源ジヤツクの負端子と接離するスイツチ
端子に該内蔵電池の負極を接続し、前記外部直流
電源ジヤツクの負端子と定電圧回路との間に電源
スイツチを接続したことを特徴とする機器の電源
装置。 A constant voltage circuit is connected between an external DC power jack having positive and negative terminals and a load, and a positive electrode of a built-in battery is connected to the output side of the constant voltage circuit, and a switch connects and disconnects from the negative terminal of the external DC power jack. 1. A power supply device for equipment, characterized in that a negative terminal of the built-in battery is connected to the terminal, and a power switch is connected between the negative terminal of the external DC power jack and a constant voltage circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3391288U JPH0610496Y2 (en) | 1988-03-15 | 1988-03-15 | Equipment power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3391288U JPH0610496Y2 (en) | 1988-03-15 | 1988-03-15 | Equipment power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01138221U true JPH01138221U (en) | 1989-09-21 |
| JPH0610496Y2 JPH0610496Y2 (en) | 1994-03-16 |
Family
ID=31260630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3391288U Expired - Lifetime JPH0610496Y2 (en) | 1988-03-15 | 1988-03-15 | Equipment power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0610496Y2 (en) |
-
1988
- 1988-03-15 JP JP3391288U patent/JPH0610496Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0610496Y2 (en) | 1994-03-16 |
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