WO2005038638A1 - 電子装置および電子装置の制御方法 - Google Patents
電子装置および電子装置の制御方法 Download PDFInfo
- Publication number
- WO2005038638A1 WO2005038638A1 PCT/JP2004/015616 JP2004015616W WO2005038638A1 WO 2005038638 A1 WO2005038638 A1 WO 2005038638A1 JP 2004015616 W JP2004015616 W JP 2004015616W WO 2005038638 A1 WO2005038638 A1 WO 2005038638A1
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- WO
- WIPO (PCT)
- Prior art keywords
- electronic device
- processing load
- processing
- power saving
- adjustment unit
- 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.)
- Ceased
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Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F1/325—Power saving in peripheral device
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
- A63F2300/20—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterised by details of the game platform
- A63F2300/204—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterised by details of the game platform the platform being a handheld device
Definitions
- the present invention relates to an electronic device, and more particularly to an electronic device driven by a battery.
- an object of the present invention is to provide an electronic device capable of extending the battery driving time.
- a technique known as so-called power management is known.
- the present invention provides an electronic device that can be controlled in accordance with the use state of a user. For this purpose, the electronic device of the present invention adjusts the processing load in accordance with the remaining battery level.
- An embodiment of the present invention relates to an electronic device.
- This electronic device is an electronic device driven by a battery, and is detected by a control unit that performs a predetermined process for executing a program, a monitoring unit that detects the remaining amount of the battery, and the monitoring unit. And an adjustment unit that adjusts the processing load by changing the image processing performed in the control unit according to the remaining battery level.
- FIG 1 is an overall configuration diagram of an electronic device according to an embodiment of the present invention.
- FIG. 2 is a flowchart showing mode transition of the electronic device according to the embodiment.
- FIG. 3 is a flowchart showing a procedure for selecting measures in the power saving mode by the program according to the embodiment.
- FIG. 4 is a diagram showing an example of a measure selection table according to the embodiment.
- a user plays a game with an electronic device.
- the remaining battery power hereinafter simply referred to as “remaining power”
- the user saves the game state and tries to interrupt it.
- it can only be saved at points that can be saved (hereinafter referred to as “save points” t), and there are also chances that the game will run out before reaching many save points.
- the electronic device is characterized in that the processing load is reduced when the remaining amount is reduced. Specifically, the electronic device performs control processing according to the control unit that performs predetermined processing for executing the program, the monitoring unit that detects the remaining amount, and the remaining amount detected by the monitoring unit. And an adjusting unit that adjusts the load.
- the adjustment unit is, for example, the CPU itself, and may have the same configuration as the control unit.
- the adjustment unit may reduce the processing load by reducing the spatial or temporal detail in the drawing process.
- the adjustment unit may reduce the load of audio processing.
- the control unit When the control unit is executing the game program, the adjustment unit may make adjustments to speed up the game.
- FIG. 1 shows a basic configuration of an electronic device.
- the electronic device 10 includes a first main unit 20, a second main unit 50, an IZO bus 80, a clock unit 82, an I / O unit 88, an expansion bus 90, and a security processing unit 92.
- the first main unit 20 is a unit that controls the entire electronic device 10 and is in charge of processing centered on drawing.
- the main bus 22, the first main memory 24, the drawing processing unit 26, the D MAC 28, It has a first main CPU 30, a vector calculation circuit 36, and an FPU 38.
- the main bus 22 is connected to the main part of the electronic device 10 and transfers data between each part at high speed.
- the first main memory 24 stores a game program and data necessary for executing the program.
- the program stored in the first main memory 24 is executed by the first main CPU 30.
- the first main CPU 30 includes a data cache 32 and an instruction cache 34.
- the vector calculation circuit 36 processes the geometry calculation such as the force and the perspective transformation specified by the first main CPU 30.
- the FPU 38 processes floating point operations.
- the drawing processing unit 26 processes polygon drawing and other drawing based on the drawing command received from the first main CPU 30.
- the drawing processing unit 26 includes a VRAM 27 as a video memory, and further includes a display control circuit (not shown).
- the display control circuit outputs a signal that can be displayed on a liquid crystal display unit (not shown).
- the DMAC 28 includes an input / output port connected to the main bus 22 and an input / output port connected to the IZO bus 80, and transfers data between the main bus 22 and the I / O bus 80.
- the second main unit 50 is a unit mainly responsible for multimedia processing, and includes an MP EG decoder 56, an audio processing unit 58, a second main CPU 60, and a second main memory 66.
- the second main memory 66 stores a program different from the above, for example, a moving image playback program and data necessary for executing the program.
- the program stored in the second main memory 66 is executed by the second main CPU 60.
- the second main CPU 60 includes a data cache 62 and an instruction cache 64.
- the MPEG decoder 56 decodes the image data encoded in the MPEG format according to the instruction given by the second main CPU 60.
- the audio processing unit 58 decodes audio data encoded in MP3 or other formats.
- the I / O bus 80 transfers data between the DMAC 28 and the clock unit 82, the I / O unit 88, the expansion bus 90, or the security processing unit 92.
- the clock unit 82 includes a timer 84 that measures time and a real-time clock 86 that records real time.
- the I / O unit 88 includes multiple general purpose interfaces. Expansion bus 90 adds expansion devices.
- the security processing unit 92 is connected to a drive device that reads data from or writes data to an external recording medium such as an optical disk.
- the security processing unit 92 includes an encryption processing unit 94 and a serial number 096.
- the encryption processing unit 94 processes data encryption and decryption.
- the serial number 096 transfers the data encrypted by the encryption processing unit 94 to the drive device of the external recording medium, and transfers the data read by the drive device from the external recording medium to the encryption processing unit 94.
- Data security can be enhanced by encrypting or decrypting all data read or written to / from an external recording medium by hardware when reading or writing the data.
- various devices connected to the bus 80 are controlled by the second main CPU 60 as necessary. However, these devices may be controlled by the first main CPU 30 as a matter of course.
- the battery 100 supplies power to the entire electronic device 10.
- the monitoring unit 102 monitors the remaining amount of the battery 100 based on the voltage of the battery 100. The result of monitoring is notified to the first main unit 20 and the second main unit 50.
- the electronic device 10 enters a power saving mode. In the power saving mode, in the first main unit 20 and the second main unit 50, the processing load related to the execution of the game and other programs is reduced. The modes are listed below. [0023] [1] Reducing the processing load
- shift instruction IV This is implemented in cooperation with the first main CPU 30 and the drawing processing unit 26 that have received an instruction to shift to the power saving mode from the monitoring unit 102 (hereinafter simply referred to as “shift instruction” IV).
- the first main CPU 30 may be considered as the aforementioned control unit
- the drawing processing unit 26 may be considered as the aforementioned adjustment unit, or both may be considered as the control unit / adjustment unit! Similar considerations are valid throughout this specification. Note that the processing of the vector arithmetic circuit 36 and the FPU 38 may be simplified or skipped by the cooperation of the first main CPU 30 and the drawing processing unit 26. These are also the effects of the power saving mode.
- a module for running in two modes that is, a normal mode and a power saving mode, is installed in advance in the game program.
- the normal mode is a compatibility mode, and only the normal mode is executed in hardware different from the electronic device 10 according to the embodiment and not requiring power saving.
- the default when the electronic device 10 is started is set to the normal mode.
- the first main CPU 30 receives the migration instruction via the interrupt standby thread for the migration instruction.
- This thread changes the mode flag that the game program refers to in various scenes from “normal mode” to “power saving mode”.
- the program operates in the power saving mode thereafter.
- the spatial detail of drawing is reduced by the following measures.
- the following measures also depend on the classification method, and may overlap in actual technology.
- LOD is a CG technique that lowers the model detail of each object according to the distance from the viewpoint.
- the distance between each object and the viewpoint may be uniformly multiplied by a (a> 1). This reduces the level of detail because the object is recognized as if it had moved away.
- a a> 1
- this method it is possible to make the most of existing programs just by introducing only one parameter a. If the level of detail of the model decreases, the drawing load will naturally decrease, so the objective is achieved.
- the model is expressed in multiple resolutions in advance, and in power saving mode. Reduces the number of polygons by expressing with a simplified model. If the 3D model is represented by botasels and primitives, the number of them may be reduced. If the model is multiplexed, a simple model is created by integrating small polygons and botasels into adjacent polygons and botasels, and so on. You can use the splitting method. The same applies to the bot cell.
- Concealing an object For example, the power of fog in the space to be expressed, the state of becoming a night is generated. This makes it possible to perform simple drawing such as the power to reduce the number of objects to be drawn or to express in one color.
- a three-dimensional space that should be originally drawn is drawn as a two-dimensional space.
- the viewpoint and other camera parameters are fixed.
- Reduce the screen size In the display control circuit of the drawing processing unit 26, reduce the size of the image displayed on the screen. This reduces the processing load because the number of pixels to be processed for display is reduced. The screen size may remain the same and the display resolution may be lowered. In this case, the same effect is obtained.
- the program being executed may be an existing program that does not support the power saving mode. This is because the configuration on the electronic device 10 side, for example, any one of the first main CPU 30, the second main CPU 60, and the MPEG decoder 56 may be designed to reduce the display resolution in the power saving mode.
- the user may be notified that the user is currently in the power saving mode when the power saving mode is entered or at an arbitrary timing while the power saving mode is entered.
- a system such as the first main CPU 30 and the second main CPU 60 may be configured to display this notification on the LCD or the like. The same applies to [2] and after.
- [0043] [2] Reduce processing load other than drawing
- Restricting IZO system support For example, the support of the ⁇ unit 88, the expansion bus 90, and the security processing unit 92 is restricted or stopped. Even in the case of support, do not accept a request with a large amount of data transfer, and limit it from the viewpoint of power saving, such as extending the execution interval of a predetermined function.
- the cryptographic processor 94 may simplify calculations and other processes necessary for encryption and decryption.
- When there is a communication unit (not shown), there is a method of increasing the interval of mutual communication between the plurality of electronic devices 10. In either case, the running program does not need to support the power saving mode. If the second main CPU 60 recognizes and executes the power saving mode, it is not necessary.
- the following measures are possible by the cooperation of the first main CPU 30 and the drawing processing unit 26.
- the game program is executed by the first main unit 20.
- Advance the progress of the game For example, the difficulty level of the game is lowered to guide the user to the save point early.
- the skill on the electronic device 10 side is lowered to make it easier for the user to win.
- the measures in the power saving mode have been exemplified above. In these examples, we decided to shift to the power saving mode according to the remaining capacity. However, since the problem does not occur at least when the AC adapter is connected, the transition to the power saving mode may be prohibited when there is an AC adapter.
- the monitoring unit 102 may recognize the presence or absence of an AC adapter (not shown) by a known method and, if present, may be configured to mask the migration instruction. [0049]
- the monitoring unit 102 may have a configuration that permits or prohibits the transition to the power saving mode according to user settings. Even if the remaining amount is low, if the user prohibits the transition to the power saving mode, the monitoring unit 102 may be configured to mask the transition instruction.
- FIG. 2 is a flowchart showing mode transition in the electronic device 10 in consideration of these points.
- the electronic device 10 is in a normal mode as an initial state after startup (S10).
- S10 When the electronic device 10 is operating with an AC adapter (S12Y) or the user is prohibited from entering the power saving mode (S14N), the mode remains in the normal mode (S10).
- S12N, S14Y detection of the remaining amount by the monitoring unit 102 is meaningful, and the monitoring unit 102 continues monitoring while the remaining amount is higher than a predetermined threshold (S16N).
- S16N a predetermined threshold
- the monitoring unit 102 issues a shift instruction and shifts to the power saving mode (S18).
- the measures in the various power saving modes described in the embodiments can be used in any combination.
- measures that simplify audio processing can be introduced in combination with measures that reduce the load of drawing processing. In this case, for example
- the combined measures are executed by the cooperation of the 1 main CPU 30, the second main CPU 60, the rendering processing unit 26 and the MPEG decoder 56.
- the two modes of the normal mode and the power saving mode are considered.
- three or more modes may be provided, and an intermediate mode may be provided between the normal mode and the power saving mode.
- These intermediate modes are also wide, meaning they are power saving modes.
- the remaining amount of 100-70% is the normal mode
- 70-50% is the first intermediate mode
- % Can be the second intermediate mode, and 30% or less can be the final power saving mode. That time In the first intermediate mode, the LOD level of detail can be reduced by 30%, and in the second intermediate mode, it can be reduced by 50%. In the mode, the level of detail of the LOD is reduced, the curved surface expression is simplified in the second intermediate mode, and the voice processing is further simplified in the final power saving mode. Can be increased. As another method, items having a greater effect in terms of power saving, which are not related to the number of corresponding items, may be sequentially switched. For example, the first intermediate mode can reduce the spatial detail of drawing, the second intermediate mode can reduce the temporal detail of drawing, and the power saving mode can reduce the processing load other than drawing. Conceivable. In either case, there are various options for which items to implement depending on the target level of power saving.
- the power for reducing the processing load in the power saving mode is not always necessary to change the contents of the processing. For example, there is a method of switching and using another hardware configuration or circuit even for the same processing. Conversely, power may be saved by using different hard ware, and as a result, processing according to different characteristics and capabilities for each hardware may be realized. Even in that case, it can be considered that the processing load is reduced in a broad sense.
- the configuration for notification is explicitly provided, but the notification may be realized by reducing the processing load itself. For example, when the number of polygons is reduced, the user may be notified that the drawing process has changed by reducing the polygon beyond the reduction required for power saving. In that case, the notification unit is also used for each configuration that reduces the processing load.
- FIG. 3 is a flowchart showing the processing procedure of the program at this time.
- the notification from the monitoring unit 102 or the program side force is detected by, for example, inquiring the remaining amount of the battery 100 to the monitoring unit 102 by a predetermined time interval or game development, etc. (S20 ).
- the program starts the determination process.
- a plurality of threshold values are provided, You may select different measures step by step according to each threshold! If the remaining battery level is not less than the specified threshold (S22N), the remaining battery level detection (S20) is repeated.
- the judgment processing module in the program refers to the table (S24), selects the measure in the power saving mode, and shifts the processing to the execution of the measure by communicating with the operating system of the electronic device 10.
- FIG. 4 shows an example of the measure selection table.
- This measure selection table 150 includes a battery remaining amount threshold value column 150a, a game progress column 150b, and a measure column 150c to be selected. For example, when the remaining battery level is 50% or less and the progress of the game is 48%, the judgment processing module judges that the measure B is selected.
- the measure selection table 150 is designed to prevent the game world created by the game creator from being destroyed by executing the power saving mode. Therefore, even when the mode is shifted to the power saving mode and the image output and the sound output become simpler than the normal mode, the game world originally intended by the game creator can be reproduced.
- the power selection field 150b provided in the measure selection table 150 may be provided with an element that can hold the power game world, for example, the scene field and the object number field, depending on the content of the game.
- the model drawn in the power saving mode needs to be the one in which the measures as described in the embodiment are directly applied to the model in the normal mode, and the drawing quality and the voice quality are only reduced. Absent.
- a normal model that cannot be seen in the normal mode appears or an attractive scene development is added.
- a so-called back mode for the game may be executed.
- one or more execution modules having different developments in the program are prepared corresponding to the remaining battery level, and the module is called by the actual remaining battery level. This may be implemented in cooperation with the first main CPU 30 and the drawing processing unit 26, or may be combined with measures such as object hiding described in the embodiment. This allows the user to enter normal mode. You can find fun separately in both mode and power saving mode.
- the movable direction of the object that can be operated by the user may be restricted.
- an object that can move in 8 directions can be moved only in 4 directions.
- a table indicating the correspondence between the disabling movement direction and the adjacent movable direction is stored in the second main memory 66 in advance. If there is an operation input for moving an object in a direction disabled by the user, the second main CPU 60 refers to the table, reads the corresponding movable direction, and proceeds to move processing in that direction. You may make it transfer. As a result, the amount of data related to the motion drawing of the object to be held and transmitted in the device can be reduced, and the power consumption can be suppressed.
- the present invention can be applied to a battery-driven electronic device.
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Abstract
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Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/576,985 US20070094519A1 (en) | 2003-10-21 | 2004-10-21 | Electronic device and electronic device control method |
| JP2005514863A JP4372103B2 (ja) | 2003-10-21 | 2004-10-21 | 電子装置および電子装置の制御方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPPCT/JP03/13446 | 2003-10-21 | ||
| PCT/JP2003/013446 WO2005037388A1 (ja) | 2003-10-21 | 2003-10-21 | 電子装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005038638A1 true WO2005038638A1 (ja) | 2005-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/013446 Ceased WO2005037388A1 (ja) | 2003-10-21 | 2003-10-21 | 電子装置 |
| PCT/JP2004/015616 Ceased WO2005038638A1 (ja) | 2003-10-21 | 2004-10-21 | 電子装置および電子装置の制御方法 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/013446 Ceased WO2005037388A1 (ja) | 2003-10-21 | 2003-10-21 | 電子装置 |
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|---|---|
| US (1) | US20070094519A1 (ja) |
| JP (1) | JP4372103B2 (ja) |
| WO (2) | WO2005037388A1 (ja) |
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| JP2006352479A (ja) * | 2005-06-15 | 2006-12-28 | Nec Saitama Ltd | 電子装置及びその制御方法 |
| JP2007013438A (ja) * | 2005-06-29 | 2007-01-18 | Toshiba Corp | 音声画像再生装置及び動作制御方法 |
| JP2007148665A (ja) * | 2005-11-25 | 2007-06-14 | Sharp Corp | 携帯情報端末 |
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| JP2007013438A (ja) * | 2005-06-29 | 2007-01-18 | Toshiba Corp | 音声画像再生装置及び動作制御方法 |
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| JP2007219835A (ja) * | 2006-02-16 | 2007-08-30 | Toshiba Corp | 画面送信装置および画面生成方法 |
| JP2009530709A (ja) * | 2006-03-16 | 2009-08-27 | マイクロソフト コーポレーション | 適応電力管理 |
| JP2009534771A (ja) * | 2006-04-24 | 2009-09-24 | ノキア コーポレイション | 装置が充電されていない又は一部のみ充電されているときのモバイル多機能装置における近距離無線通信を管理及び制御するためのシステム及び方法 |
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| WO2017150008A1 (ja) * | 2016-03-03 | 2017-09-08 | 株式会社Cygames | プログラム、及び情報処理方法 |
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| JP7176051B2 (ja) | 2017-01-25 | 2022-11-21 | 華為技術有限公司 | 電子デバイスおよび装置の電力消費を削減する方法 |
| JP2020507870A (ja) * | 2017-01-25 | 2020-03-12 | 華為技術有限公司Huawei Technologies Co.,Ltd. | 電子デバイスおよび装置の電力消費を削減する方法 |
| JP2021170365A (ja) * | 2017-01-25 | 2021-10-28 | 華為技術有限公司Huawei Technologies Co., Ltd. | 電子デバイスおよび装置の電力消費を削減する方法 |
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| US11176747B2 (en) | 2017-10-30 | 2021-11-16 | Sony Corporation | Information processing apparatus and information processing method |
| JP2022554317A (ja) * | 2019-11-22 | 2022-12-28 | 株式会社ソニー・インタラクティブエンタテインメント | Gpuの1つまたは複数のパラメータを調整するためのシステム及び方法 |
| JP7411794B2 (ja) | 2019-11-22 | 2024-01-11 | 株式会社ソニー・インタラクティブエンタテインメント | Gpuの1つまたは複数のパラメータを調整するためのシステム及び方法 |
| JP7261930B1 (ja) | 2022-11-04 | 2023-04-20 | 株式会社あかつき | 情報処理システム、情報処理プログラム及び情報処理方法 |
| JP2023160716A (ja) * | 2022-11-04 | 2023-11-02 | 株式会社あかつき | 情報処理システム、情報処理プログラム及び情報処理方法 |
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Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2005038638A1 (ja) | 2008-09-18 |
| WO2005037388A1 (ja) | 2005-04-28 |
| JP4372103B2 (ja) | 2009-11-25 |
| US20070094519A1 (en) | 2007-04-26 |
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