JPH0424U - - Google Patents
Info
- Publication number
- JPH0424U JPH0424U JP4087090U JP4087090U JPH0424U JP H0424 U JPH0424 U JP H0424U JP 4087090 U JP4087090 U JP 4087090U JP 4087090 U JP4087090 U JP 4087090U JP H0424 U JPH0424 U JP H0424U
- Authority
- JP
- Japan
- Prior art keywords
- power source
- external power
- electronic device
- driven
- detecting whether
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案に係る電子機器の一実施例の概
略斜視図、第２図は第１図に示す電子機器の構成
図、第３図は外部電源検出回路の具体例を示す図
である。
１……入力部、２……表示部、３……記憶装置
、４……ＡＣアダプタ、６……ＲＡＭまたはＲＯ
Ｍ、１１……電源部、１２……外部電源検出回路
、１３……基本クロツク発生回路、１４……クロ
ツク周波数制御回路、１５……マイクロプロセツ
サ、１６……主制御部、１７……電源制御回路、
Ｐ０……外部電源、Ｐ１……バツテリ電源。
FIG. 1 is a schematic perspective view of an embodiment of an electronic device according to the present invention, FIG. 2 is a configuration diagram of the electronic device shown in FIG. 1, and FIG. 3 is a diagram showing a specific example of an external power supply detection circuit. . 1...Input section, 2...Display section, 3...Storage device, 4...AC adapter, 6...RAM or RO
M, 11...Power supply unit, 12...External power supply detection circuit, 13...Basic clock generation circuit, 14...Clock frequency control circuit, 15...Microprocessor, 16...Main control unit, 17...Power supply control circuit,
P0 ...External power supply, P1 ...Battery power supply.
Claims (1)
動可能な電子機器であつて、外部電源を使用して
いるかを検出する検出手段と、該検出手段によつ
て外部電源を使用していないと検出されバツテリ
電源のみによつて駆動されていると判断されたと
きに低消費電流モードに切替える切替手段とを備
えていることを特徴とする電子機器。 An electronic device that can be driven by either an external power source or a battery power source, and includes a detection means for detecting whether the external power source is being used, and a detecting means for detecting whether the external power source is being used. An electronic device comprising: switching means for switching to a low current consumption mode when it is determined that the device is being driven only by battery power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4087090U JPH0424U (en) | 1990-04-17 | 1990-04-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4087090U JPH0424U (en) | 1990-04-17 | 1990-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0424U true JPH0424U (en) | 1992-01-06 |
Family
ID=31551041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4087090U Pending JPH0424U (en) | 1990-04-17 | 1990-04-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424U (en) |
-
1990
- 1990-04-17 JP JP4087090U patent/JPH0424U/ja active Pending