JPS62183260U - - Google Patents
Info
- Publication number
- JPS62183260U JPS62183260U JP6803786U JP6803786U JPS62183260U JP S62183260 U JPS62183260 U JP S62183260U JP 6803786 U JP6803786 U JP 6803786U JP 6803786 U JP6803786 U JP 6803786U JP S62183260 U JPS62183260 U JP S62183260U
- Authority
- JP
- Japan
- Prior art keywords
- power
- supplied
- driving power
- chemical battery
- battery
- 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
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
Description
図面は、この考案の一実施例の回路構成を示す
ブロツク図である。
１１……キー入力部、１２……キー判断部、１
３……ＲＯＭ、１４……ＲＡＭ、１８……演算部
、１９……表示部、２０……太陽電池、２１……
リチユウム電池（化学電池）、２２，２３……レ
ギユレータ、２４……ＣＭＯＳ、２７……ＡＰＯ
カウンタ、３０……比較器。
The drawing is a block diagram showing the circuit configuration of an embodiment of this invention. 11...Key input section, 12...Key judgment section, 1
3...ROM, 14...RAM, 18...computation section, 19...display section, 20...solar cell, 21...
Lithium battery (chemical battery), 22, 23...Regulator, 24...CMOS, 27...APO
Counter, 30... comparator.
Claims (1)
くとも一方を使用した小型電子式計算機において
、キー入力が所定時間続けてないと上記駆動電源
を自動的にオフさせるオート・パワー・オフ手段
と、駆動電源が太陽電池から供給されているか化
学電池から供給されているかを判断する判断手段
と、この判断手段で太陽電池から駆動電源が供給
されていると判断されると上記オート・パワー・
オフ手段の動作を阻止するとともに上記判断手段
で化学電池から駆動電源が供給されていると判断
されると上記オート・パワー・オフ手段を動作可
能とする制御手段とを具備したことを特徴とする
小型電子式計算機の駆動回路。 In a small electronic calculator that uses at least one of a solar cell and a chemical battery as a driving power source, an auto power-off means automatically turns off the driving power source if no key input is continued for a predetermined period of time; A determination means for determining whether power is being supplied from a battery or a chemical battery, and when it is determined by this determination means that driving power is being supplied from a solar cell, the above-mentioned auto power
It is characterized by comprising a control means that prevents the operation of the auto power off means and enables the operation of the auto power off means when the judgment means determines that driving power is supplied from the chemical battery. Drive circuit for small electronic calculator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6803786U JPS62183260U (en) | 1986-05-06 | 1986-05-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6803786U JPS62183260U (en) | 1986-05-06 | 1986-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62183260U true JPS62183260U (en) | 1987-11-20 |
Family
ID=30907488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6803786U Pending JPS62183260U (en) | 1986-05-06 | 1986-05-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62183260U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012177621A (en) * | 2011-02-25 | 2012-09-13 | Tanita Corp | Weight measurement apparatus |
-
1986
- 1986-05-06 JP JP6803786U patent/JPS62183260U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012177621A (en) * | 2011-02-25 | 2012-09-13 | Tanita Corp | Weight measurement apparatus |
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