JPS5958839U - power control circuit - Google Patents
power control circuitInfo
- Publication number
- JPS5958839U JPS5958839U JP15151182U JP15151182U JPS5958839U JP S5958839 U JPS5958839 U JP S5958839U JP 15151182 U JP15151182 U JP 15151182U JP 15151182 U JP15151182 U JP 15151182U JP S5958839 U JPS5958839 U JP S5958839U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- control circuit
- supply voltage
- arithmetic processing
- power control
- 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
Landscapes
- Power Sources (AREA)
- Dc-Dc Converters (AREA)
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図はこの考案による電源制御回路の一実施例の回路
図である。
1・・・入力キ一群、2・・・マイコン、−3・・・デ
ィスプレイ、4・・・電源回路、5・・・電源制御回路
、51・・・ナントゲート、52〜55・・・3状態バ
ツフア、56・・・インバータ。FIG. 1 is a circuit diagram of one embodiment of the power supply control circuit according to this invention. DESCRIPTION OF SYMBOLS 1... Group of input keys, 2... Microcomputer, -3... Display, 4... Power supply circuit, 5... Power supply control circuit, 51... Nantes gate, 52-55...3 Status buffer, 56...Inverter.
Claims (1)
たとき所定の演算処理を行ないその演算処理の結果を表
示または制御信号等として出力する装置において、前記
操作用人カキ−のいずれか1つを操作したとき演算処理
および表示のための電源電圧を発生し、操作用人カキ−
の操作後一定時間内にキー操作をしないときは電源電圧
を遮断するように電源電圧の発生を制御することを特徴
とする電源制御回路。In a device that has a plurality of operator keys and performs predetermined arithmetic processing when the operator keys are operated and outputs the result of the arithmetic processing as a display or a control signal, any one of the operator keys Generates power supply voltage for arithmetic processing and display when operated.
A power supply control circuit characterized in that the power supply control circuit controls the generation of power supply voltage so as to cut off the power supply voltage if no key operation is performed within a certain period of time after the operation of the power supply voltage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15151182U JPS5958839U (en) | 1982-10-07 | 1982-10-07 | power control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15151182U JPS5958839U (en) | 1982-10-07 | 1982-10-07 | power control circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5958839U true JPS5958839U (en) | 1984-04-17 |
Family
ID=30335724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15151182U Pending JPS5958839U (en) | 1982-10-07 | 1982-10-07 | power control circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5958839U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09171499A (en) * | 1995-12-20 | 1997-06-30 | Hitachi Ltd | Power saving method for information processor and information processor having power saving function |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5338928A (en) * | 1976-09-21 | 1978-04-10 | Sharp Corp | Power supply control system |
JPS5523532A (en) * | 1978-08-03 | 1980-02-20 | Casio Comput Co Ltd | Power source control system of small-size electronic computer |
JPS5789119A (en) * | 1980-11-20 | 1982-06-03 | Nec Corp | Terminal device |
-
1982
- 1982-10-07 JP JP15151182U patent/JPS5958839U/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5338928A (en) * | 1976-09-21 | 1978-04-10 | Sharp Corp | Power supply control system |
JPS5523532A (en) * | 1978-08-03 | 1980-02-20 | Casio Comput Co Ltd | Power source control system of small-size electronic computer |
JPS5789119A (en) * | 1980-11-20 | 1982-06-03 | Nec Corp | Terminal device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09171499A (en) * | 1995-12-20 | 1997-06-30 | Hitachi Ltd | Power saving method for information processor and information processor having power saving function |
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