WO2008139677A1 - データ処理装置 - Google Patents

データ処理装置 Download PDF

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Publication number
WO2008139677A1
WO2008139677A1 PCT/JP2008/000747 JP2008000747W WO2008139677A1 WO 2008139677 A1 WO2008139677 A1 WO 2008139677A1 JP 2008000747 W JP2008000747 W JP 2008000747W WO 2008139677 A1 WO2008139677 A1 WO 2008139677A1
Authority
WO
WIPO (PCT)
Prior art keywords
section
signal processing
data storage
input
clock
Prior art date
Application number
PCT/JP2008/000747
Other languages
English (en)
French (fr)
Inventor
Yoichi Nishida
Original Assignee
Panasonic Corporation
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Panasonic Corporation filed Critical Panasonic Corporation
Priority to EP08720626A priority Critical patent/EP2045799A4/en
Priority to US12/307,182 priority patent/US8281168B2/en
Priority to CN2008800004325A priority patent/CN101542598B/zh
Publication of WO2008139677A1 publication Critical patent/WO2008139677A1/ja
Priority to US13/547,328 priority patent/US20120278639A1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/3237—Power saving characterised by the action undertaken by disabling clock generation or distribution
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/324—Power saving characterised by the action undertaken by lowering clock frequency
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/3296—Power saving characterised by the action undertaken by lowering the supply or operating voltage
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0287—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level changing the clock frequency of a controller in the equipment
    • H04W52/029—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level changing the clock frequency of a controller in the equipment reducing the clock frequency of the controller
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Power Sources (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

　実時間でデータを再生するときの消費電力を削減することができるデータ処理装置を提供するために、データ処理装置は、入力部１０に実時間で入力されたデータを格納する入力データ格納部１１と、入力データ格納部１１からデータを読み出して信号処理を行う信号処理部１２と、信号処理を実時間処理より速い速度で行わせることで間欠動作させるよう信号処理部１２を制御する信号処理制御部１３と、間欠動作の停止期間に信号処理部１２および信号処理制御部１３の少なくとも一部に対するクロック又は電源の少なくとも一方の供給を制限するクロック／電源制御部１４と、入力データ格納部１１のデータ格納量に基づいて、クロック又は電源の制限および間欠動作の稼動期間への移行の要求を行う入力監視部１５とを備える。
PCT/JP2008/000747 2007-05-11 2008-03-27 データ処理装置 WO2008139677A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08720626A EP2045799A4 (en) 2007-05-11 2008-03-27 DATA PROCESSOR
US12/307,182 US8281168B2 (en) 2007-05-11 2008-03-27 Data processor
CN2008800004325A CN101542598B (zh) 2007-05-11 2008-03-27 数据处理装置
US13/547,328 US20120278639A1 (en) 2007-05-11 2012-07-12 Data processor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007126766A JP4757836B2 (ja) 2007-05-11 2007-05-11 データ処理装置
JP2007-126766 2007-05-11

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/547,328 Continuation US20120278639A1 (en) 2007-05-11 2012-07-12 Data processor

Publications (1)

Publication Number Publication Date
WO2008139677A1 true WO2008139677A1 (ja) 2008-11-20

Family

ID=40001903

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/000747 WO2008139677A1 (ja) 2007-05-11 2008-03-27 データ処理装置

Country Status (5)

Country Link
US (2) US8281168B2 (ja)
EP (1) EP2045799A4 (ja)
JP (1) JP4757836B2 (ja)
CN (2) CN102981593A (ja)
WO (1) WO2008139677A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010151920A (ja) * 2008-12-24 2010-07-08 Seiko Epson Corp 画像処理装置、投影型表示装置および画像処理装置の消費電力低減方法
JP2013092795A (ja) * 2012-12-28 2013-05-16 Seiko Epson Corp 画像処理装置、投影型表示装置および画像処理装置の消費電力低減方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9547028B2 (en) * 2011-04-20 2017-01-17 Nxp Usa, Inc. Electronic device and method
CN103926999B (zh) * 2013-01-16 2017-03-01 株式会社理光 手掌开合手势识别方法和装置、人机交互方法和设备
CN104516473A (zh) * 2013-09-30 2015-04-15 宁夏先锋软件有限公司 一种数据处理装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0901063A2 (en) * 1997-09-05 1999-03-10 Texas Instruments Incorporated Power management methods
JPH1188254A (ja) * 1997-09-04 1999-03-30 Matsushita Electric Ind Co Ltd 無線通信機素子の低消費電力化装置
JPH11122586A (ja) 1997-10-14 1999-04-30 Victor Co Of Japan Ltd データ放送受信機
JP2003022095A (ja) * 2001-07-09 2003-01-24 Matsushita Electric Ind Co Ltd デジタル音声信号処理装置
JP2003337713A (ja) * 2002-05-21 2003-11-28 Hitachi Ltd プロセッサの制御方法
US7057754B1 (en) * 1999-12-24 2006-06-06 Fuji Xerox Co., Ltd. Printer
JP2006243016A (ja) * 2005-02-28 2006-09-14 Fujitsu Ltd オーディオデコード装置
US20070061600A1 (en) * 2005-08-31 2007-03-15 Manabu Kuroda Data processing apparatus, program, recording medium, and content playback apparatus
US20070136522A1 (en) * 2005-12-08 2007-06-14 Masaya Umemura Information processing apparatus, media player and method for controlling a storage device

Family Cites Families (8)

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US6269061B1 (en) * 1993-10-07 2001-07-31 Sony Corporation Servo control system for disk player
KR0167193B1 (ko) * 1995-12-29 1998-12-01 이종수 승강기 감시 제어기의 영상 처리 방법
US6647502B1 (en) * 1999-07-13 2003-11-11 Sony Corporation Method and apparatus for providing power based on the amount of data stored in buffers
US20030165277A1 (en) * 2000-05-30 2003-09-04 Masahiro Ohashi Data processing system,and data processing method
US6865653B2 (en) * 2001-12-18 2005-03-08 Intel Corporation System and method for dynamic power management using data buffer levels
DE10221529A1 (de) * 2002-05-14 2003-12-04 Systemonic Ag Verfahren zum gesteuerten Abschalten von Datenverarbeitungseinheiten
JP4959935B2 (ja) 2004-11-09 2012-06-27 株式会社東芝 復号装置
CN1924761A (zh) * 2005-08-31 2007-03-07 松下电器产业株式会社 数据处理装置、程序、记录介质和内容回放装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1188254A (ja) * 1997-09-04 1999-03-30 Matsushita Electric Ind Co Ltd 無線通信機素子の低消費電力化装置
EP0901063A2 (en) * 1997-09-05 1999-03-10 Texas Instruments Incorporated Power management methods
JPH11122586A (ja) 1997-10-14 1999-04-30 Victor Co Of Japan Ltd データ放送受信機
US7057754B1 (en) * 1999-12-24 2006-06-06 Fuji Xerox Co., Ltd. Printer
JP2003022095A (ja) * 2001-07-09 2003-01-24 Matsushita Electric Ind Co Ltd デジタル音声信号処理装置
JP2003337713A (ja) * 2002-05-21 2003-11-28 Hitachi Ltd プロセッサの制御方法
JP2006243016A (ja) * 2005-02-28 2006-09-14 Fujitsu Ltd オーディオデコード装置
US20070061600A1 (en) * 2005-08-31 2007-03-15 Manabu Kuroda Data processing apparatus, program, recording medium, and content playback apparatus
US20070136522A1 (en) * 2005-12-08 2007-06-14 Masaya Umemura Information processing apparatus, media player and method for controlling a storage device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2045799A4

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010151920A (ja) * 2008-12-24 2010-07-08 Seiko Epson Corp 画像処理装置、投影型表示装置および画像処理装置の消費電力低減方法
JP2013092795A (ja) * 2012-12-28 2013-05-16 Seiko Epson Corp 画像処理装置、投影型表示装置および画像処理装置の消費電力低減方法

Also Published As

Publication number Publication date
JP2008282491A (ja) 2008-11-20
US8281168B2 (en) 2012-10-02
US20100077242A1 (en) 2010-03-25
CN101542598B (zh) 2012-08-29
EP2045799A1 (en) 2009-04-08
CN102981593A (zh) 2013-03-20
EP2045799A4 (en) 2013-03-13
JP4757836B2 (ja) 2011-08-24
CN101542598A (zh) 2009-09-23
US20120278639A1 (en) 2012-11-01

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