JP3811166B2 - 電子機器 - Google Patents
電子機器 Download PDFInfo
- Publication number
- JP3811166B2 JP3811166B2 JP2004162464A JP2004162464A JP3811166B2 JP 3811166 B2 JP3811166 B2 JP 3811166B2 JP 2004162464 A JP2004162464 A JP 2004162464A JP 2004162464 A JP2004162464 A JP 2004162464A JP 3811166 B2 JP3811166 B2 JP 3811166B2
- Authority
- JP
- Japan
- Prior art keywords
- cpu
- temperature
- clock
- cpu chip
- temperature sensor
- 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.)
- Expired - Lifetime
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Images
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- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Power Sources (AREA)
Description
Claims (4)
- CPUと、
前記CPUの動作クロックを生成するクロック生成手段と、
前記CPUの温度を検知する温度センサと、
前記CPUに風を吹き付けるファンと、
前記温度センサにより検知された温度が所定値を超えた場合、前記CPUの動作クロックの周波数を低下させる制御手段と、
前記CPUの動作クロックの周波数を低下させる前に前記ファンを駆動制御する駆動制御手段と、
を具備することを特徴とする電子機器。 - CPUと、
前記CPUの動作クロックを生成するクロック生成手段と、
前記CPUの温度を検知する温度センサと、
前記CPUに風を吹き付けるファンと、
前記温度センサにより検知される温度の上昇に伴って、前記CPUの動作クロックの周波数を低下させる制御手段と、
前記動作クロックの周波数を低下させる前に前記ファンを駆動制御する駆動制御手段と、
を具備することを特徴とする電子機器。 - CPUと、
前記CPUへクロックを供給するクロック生成手段と、
前記CPUの温度を検知する温度センサと、
前記CPUに風を吹き付けるファンと、
前記温度センサにより検知された温度が所定値を超えた場合、前記CPUへの供給クロックの周波数を低下させる制御手段と、
前記CPUへの供給クロックの周波数を低下させる前に前記ファンを駆動制御する駆動制御手段と、
を具備することを特徴とする電子機器。 - CPUと、
前記CPUの動作クロックを生成するクロック生成手段と、
前記CPUの温度を検知する温度センサと、
前記CPUに風を吹き付けるファンと、
前記ファンを駆動制御する第1の温度、および前記クロック生成手段の周波数を制御する第2の温度を設定する設定手段と、
前記温度センサにより検知された温度と前記設定手段により設定された前記第1の温度とをもとに前記ファンを駆動制御し、前記温度センサにより検知された温度と前記設定手段により設定された前記第2の温度とをもとに前記クロック生成手段の周波数を制御する制御手段と、
を具備することを特徴とする電子機器。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004162464A JP3811166B2 (ja) | 2004-05-31 | 2004-05-31 | 電子機器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004162464A JP3811166B2 (ja) | 2004-05-31 | 2004-05-31 | 電子機器 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP09514794A Division JP4008510B2 (ja) | 1994-03-28 | 1994-05-09 | 電子機器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004310785A JP2004310785A (ja) | 2004-11-04 |
| JP3811166B2 true JP3811166B2 (ja) | 2006-08-16 |
Family
ID=33475702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004162464A Expired - Lifetime JP3811166B2 (ja) | 2004-05-31 | 2004-05-31 | 電子機器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3811166B2 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101361413B1 (ko) * | 2007-07-19 | 2014-02-21 | 엘지전자 주식회사 | 중앙처리유닛의 클럭 제어 장치 및 방법 |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7747881B2 (en) * | 2006-08-14 | 2010-06-29 | Globalfoundries Inc. | System and method for limiting processor performance |
| KR101495181B1 (ko) * | 2008-11-14 | 2015-02-24 | 엘지전자 주식회사 | 휴대용 단말기 및 그의 열관리 방법 |
| KR101752829B1 (ko) * | 2010-11-26 | 2017-06-30 | 삼성전자주식회사 | 반도체 장치 |
| JP2014110403A (ja) * | 2012-12-04 | 2014-06-12 | Renesas Electronics Corp | 半導体装置 |
| US9037882B2 (en) | 2013-02-27 | 2015-05-19 | Qualcomm Incorporated | System and method for thermal management in a portable computing device using thermal resistance values to predict optimum power levels |
| JP2015130035A (ja) | 2014-01-07 | 2015-07-16 | 富士通株式会社 | 半導体装置および制御方法 |
| CN111258350B (zh) * | 2020-03-11 | 2022-05-06 | Oppo广东移动通信有限公司 | 用户终端设备 |
-
2004
- 2004-05-31 JP JP2004162464A patent/JP3811166B2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101361413B1 (ko) * | 2007-07-19 | 2014-02-21 | 엘지전자 주식회사 | 중앙처리유닛의 클럭 제어 장치 및 방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004310785A (ja) | 2004-11-04 |
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