JPH0265052U - - Google Patents
Info
- Publication number
- JPH0265052U JPH0265052U JP14479388U JP14479388U JPH0265052U JP H0265052 U JPH0265052 U JP H0265052U JP 14479388 U JP14479388 U JP 14479388U JP 14479388 U JP14479388 U JP 14479388U JP H0265052 U JPH0265052 U JP H0265052U
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- conductive
- switching element
- closed
- power switch
- 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
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Description
図示した回路は、本考案の電源制御回路の一実
施例である。
主な図番の説明、１……駆動用電池、３……制
御回路、４……電源端子、５……電源スイツチ、
６……電源制御信号出力端子、７……制御端子、
８……第１スイツチングトランジスター、９……
第１制御トランジスター、１２……バツクアツプ
用電池、１３……ダイオード、１４……負荷、１
５……第２スイツチングトランジスター、１６…
…第２制御トランジスター。
The illustrated circuit is an embodiment of the power supply control circuit of the present invention. Explanation of main drawing numbers, 1... Drive battery, 3... Control circuit, 4... Power terminal, 5... Power switch,
6...Power control signal output terminal, 7...Control terminal,
8...first switching transistor, 9...
First control transistor, 12... Backup battery, 13... Diode, 14... Load, 1
5...Second switching transistor, 16...
...Second control transistor.
Claims (1)
ると共に非動作状態にあるとき前記バツクアツプ
用電池より供給される電流によつてバツクアツプ
される回路が組込まれている制御回路を有するポ
ータブル電子機器において、電源投入時閉成され
る電源スイツチと、該電源スイツチが閉成される
と前記制御回路より出力される信号によつて導通
状態になると共に前記駆動用電池より該制御回路
に動作電流を供給する第１スイツチング素子と、
該第１スイツチング素子が導通状態にあるとき非
導通状態にせしめられると共に該第１スイツチン
グ素子が非導通状態にあるとき導通し前記バツク
アツプ用電池より前記制御回路にバツクアツプ電
流を供給する第２スイツチング素子とより成り、
前記電源スイツチを閉成状態より開放状態に切換
えたとき前記第１スイツチング素子を所定時間導
通状態に保持するようにしたことを特徴とするポ
ータブル電子機器の電源制御回路。 In a portable electronic device that is equipped with a driving battery and a backup battery and has a control circuit incorporating a circuit that is backed up by the current supplied from the backup battery when the device is in an inactive state, when the power is turned on. a power switch that is closed when the power switch is closed; and a first switch that is brought into conduction by a signal output from the control circuit when the power switch is closed, and that supplies an operating current from the drive battery to the control circuit. a switching element;
a second switching element that is rendered non-conductive when the first switching element is conductive and conductive when the first switching element is non-conductive, supplying backup current from the backup battery to the control circuit; It consists of
A power supply control circuit for a portable electronic device, characterized in that when the power switch is switched from a closed state to an open state, the first switching element is maintained in a conductive state for a predetermined period of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14479388U JPH0537641Y2 (en) | 1988-11-04 | 1988-11-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14479388U JPH0537641Y2 (en) | 1988-11-04 | 1988-11-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0265052U true JPH0265052U (en) | 1990-05-16 |
| JPH0537641Y2 JPH0537641Y2 (en) | 1993-09-22 |
Family
ID=31412811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14479388U Expired - Lifetime JPH0537641Y2 (en) | 1988-11-04 | 1988-11-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0537641Y2 (en) |
-
1988
- 1988-11-04 JP JP14479388U patent/JPH0537641Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0537641Y2 (en) | 1993-09-22 |
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