JPS62105525U - - Google Patents
Info
- Publication number
- JPS62105525U JPS62105525U JP19800385U JP19800385U JPS62105525U JP S62105525 U JPS62105525 U JP S62105525U JP 19800385 U JP19800385 U JP 19800385U JP 19800385 U JP19800385 U JP 19800385U JP S62105525 U JPS62105525 U JP S62105525U
- Authority
- JP
- Japan
- Prior art keywords
- battery
- data
- memory
- voltage
- utilization circuit
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- Y02E60/12—
Landscapes
- Electric Clocks (AREA)
- Power Sources (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Description
第１図は本考案の一実施例の回路構成を示すブ
ロツク回路図、第２図は第１図に示す実施例にお
ける電池電圧の寿命による減衰曲線と基準電圧Ｖ
ｒｅｆおよび記憶維持電圧Ｖｍのレベルとを示す
グラフである。
１……表示部、２……Ｌｏｇｉｃ部、３……Ｒ
ＡＭ、４……パワースイツチ、５……比較回路、
６……基準電圧回路、７……コンデンサ、８……
電池。
FIG. 1 is a block circuit diagram showing the circuit configuration of an embodiment of the present invention, and FIG. 2 is a decay curve of the battery voltage depending on the life of the embodiment shown in FIG. 1, and a reference voltage V.
ref and the level of memory maintenance voltage Vm . 1...Display section, 2...Logic section, 3...R
AM, 4...power switch, 5...comparison circuit,
6... Reference voltage circuit, 7... Capacitor, 8...
battery.
Claims (1)
ータメモリと、前記電池により作動され前記メモ
リのデータを利用するデータ利用回路を備えた小
型電子機器において、前記電池の出力電圧が前記
メモリの限界維持電圧に近づいたことを検出する
検出手段と、該検出手段による検出により前記電
池から前記データ利用回路への電力供給を停止さ
せる停止手段と、前記電池により充電され、電池
交換時に前記データメモリをバツクアツプするコ
ンデンサとを有することを特徴とする小型電子機
器。 A small electronic device comprising a replaceable battery, a data memory operated by the battery, and a data utilization circuit operated by the battery and utilizing data in the memory, wherein the output voltage of the battery maintains a limit of the memory. a detection means for detecting that the voltage has approached the voltage; a stop means for stopping power supply from the battery to the data utilization circuit upon detection by the detection means; and a stop means for stopping power supply from the battery to the data utilization circuit; A small electronic device characterized by having a capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19800385U JPS62105525U (en) | 1985-12-23 | 1985-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19800385U JPS62105525U (en) | 1985-12-23 | 1985-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62105525U true JPS62105525U (en) | 1987-07-06 |
Family
ID=31158288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19800385U Pending JPS62105525U (en) | 1985-12-23 | 1985-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62105525U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0187452U (en) * | 1987-11-30 | 1989-06-09 | ||
| JPH0187453U (en) * | 1987-11-30 | 1989-06-09 |
-
1985
- 1985-12-23 JP JP19800385U patent/JPS62105525U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0187452U (en) * | 1987-11-30 | 1989-06-09 | ||
| JPH0187453U (en) * | 1987-11-30 | 1989-06-09 |
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