WO2004059638A1 - ディスク装置、ディスク装置の制御方法、ディスク装置の制御方法のプログラム - Google Patents
ディスク装置、ディスク装置の制御方法、ディスク装置の制御方法のプログラム Download PDFInfo
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- WO2004059638A1 WO2004059638A1 PCT/JP2003/014700 JP0314700W WO2004059638A1 WO 2004059638 A1 WO2004059638 A1 WO 2004059638A1 JP 0314700 W JP0314700 W JP 0314700W WO 2004059638 A1 WO2004059638 A1 WO 2004059638A1
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- disk
- disk device
- recording
- recording medium
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
- H04N5/85—Television signal recording using optical recording on discs or drums
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
Definitions
- the present invention relates to a disk device, a disk device control method, and a program for a disk device control method, and can be applied to, for example, a portable video recorder using an optical disk.
- the present invention reduces power consumption more efficiently than in the past by switching the degree of power saving according to the length of the pause period that occurs during intermittent recording and / or reproduction of continuous data. be able to. Background art
- the present invention has been made in consideration of the above points, and is more efficient than in the past. It is an object of the present invention to propose a program for a disk device, a method for controlling a disk device, and a method for controlling a disk device that can reduce power consumption.
- the present invention is applied to a disk device that intermittently records and / or reproduces a continuous data string in a predetermined data amount unit on a disk-shaped recording medium, and performs intermittent recording and / or reproduction.
- the operation of a part of the drive circuit related to the disk-shaped recording medium is temporarily stopped, and the operation is performed according to the length of the pause period. Switch some circuits to be stopped.
- the present invention is applied to a disk device that intermittently records and / or reproduces a continuous data sequence in a predetermined data amount unit on a disk-shaped recording medium, and converts the data sequence into a disk in intermittent recording and / or reproduction.
- the operation of some circuits of the drive circuit related to the disk-shaped recording medium is temporarily stopped during the idle period during which the information is not recorded on the disk-shaped recording medium, and the operation is stopped according to the length of the idle period. If the circuits are switched, if there is a large time margin, for example, when recording or reproducing streaming data having a low data transfer rate, many circuits are generated during each pause period between recording and reproduction.
- Operation can be stopped, and a large power saving effect can be obtained.For example, there is little time margin when recording and reproducing streaming data with a high data transfer speed.
- recording may be so as not to affect the repetition of the processing of the reproduction.
- the power supply can be controlled more finely than before, and the power consumption can be reduced more efficiently than before.
- the present invention is applied to a control method of a disk device for intermittently recording and / or reproducing a continuous data string in a predetermined data amount unit on a disk-shaped recording medium, and the data is intermittently recorded and / or reproduced.
- the operation of a part of the drive circuit related to the disk-shaped recording medium is temporarily stopped, and the operation is stopped according to the length of the pause period. Change some circuits.
- a computer that controls the operation of a disk device that intermittently records and / or reproduces a continuous data sequence in a predetermined data amount unit on a disk-shaped recording medium executes a predetermined processing procedure. Applying to the program of the control method of the disk device, this processing procedure is performed during the pause period when the data sequence is not recorded on the disk-shaped recording medium during intermittent recording and / or reproduction. This is a processing procedure for temporarily stopping the operation of a part of the circuit, and has a step of switching the part of the circuit for stopping the operation according to the length of the idle period.
- a program for a disk device control method capable of reducing power consumption more efficiently than in the past.
- FIG. 1 is a block diagram showing a recording apparatus according to an embodiment of the present invention.
- FIG. 2 is a block diagram showing a data flow at the time of recording in the recording apparatus of FIG.
- FIG. 3 is a block diagram showing a data flow at the time of reproduction in the recording device of FIG.
- FIG. 4 is a block diagram for explaining a rate in data transfer in the recording apparatus of FIG.
- FIG. 5 is a time chart for explaining a recording process in a high image quality mode in the recording apparatus of FIG.
- FIG. 6 is a time chart for explaining a recording process in a low image quality mode in the recording apparatus of FIG.
- FIG. 7 is a time chart for explaining a reproduction process in a high image quality mode in the recording apparatus of FIG. 1;
- FIG. 8 is a time chart for explaining a reproduction process in a low image quality mode in the recording apparatus of FIG. 1;
- FIG. 9 is a time chart for explaining the operation at the time of recording in the high image quality mode of the recording apparatus of FIG.
- FIG. 10 is a time chart for explaining the recording operation of the recording apparatus of FIG. 1 in the low image quality mode.
- FIG. 11 is a time chart for explaining the operation of the recording apparatus of FIG. 1 at the time of reproduction in the high image quality mode.
- FIG. 12 is a time chart for explaining an operation at the time of reproduction in the low image quality mode of the recording apparatus of FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a block diagram showing a recording apparatus according to an embodiment of the present invention.
- This recording device is a portable camera-integrated recording device, and a recording / reproducing system using an optical disk device is provided instead of a recording / reproducing system using a magnetic tape in a conventional camera-integrated video tape recorder. .
- the camera unit 12 captures an image of a desired subject via a lens, and outputs video data based on the captured result.
- the video encoder 13 compresses and outputs the video data obtained from the camera section 12 in, for example, the MPEG format. In this process, the video encoder 13 compresses the video data at a so-called fixed bit rate that holds the generated data amount at a constant value, and switches the generated data amount under the control of the system block 16. As a result, the recording device 11 can record an imaging result in the high image quality mode and the low image quality mode.
- the microphone section 14 obtains and amplifies an audio signal by a microphone, and outputs the amplified audio signal as a digital signal.
- the audio encoder 15 compresses the digital audio signal and outputs it.
- the system block 16 controls the video encoder 1 when recording the imaging results.
- Video data and audio data output from 3 and the audio encoder 15 are time-division multiplexed.
- the system block 16 uses the time-division multiplexing process to set 10 [Mbps] and 5 [Mbps] in the high image quality mode and the low image quality mode, respectively. [M bps] of streaming data, and outputs this streaming data to the drive block 17 via the system buffer 16A. Also, when playing back recorded image results, the playback data obtained from the drive block 17 is input via the system buffer 16A, and the playback data is transferred to the audio data and video data, in the reverse order of the recording. And outputs to the video decoder 21 and the audio decoder 22.
- the system block 16 When simply monitoring an imaging result or the like, the system block 16 displays video data output from the camera unit 12 and audio data output from the microphone unit 14 on the display unit 19 and the audio processing unit 20, respectively. Output to line output.
- the system block 16 outputs various commands to each unit such as the drive block 17 by the controller 16B in response to an operation by the user, and thereby controls the entire operation.
- the controller 16B is a built-in computer that controls the operation of the recording device 11, and outputs various commands, which will be described later, by executing a predetermined program installed in advance.
- the video decoder 21 decompresses the video data output from the system block 16 and outputs it to the display unit 19 and the line output.
- the audio decoder 22 decompresses the audio data output from the system block 16 and outputs the data to the audio processing unit 20 and the line output.
- the display unit 19 drives the liquid crystal display panel with the video data output from the system block 16, and displays a monitor image of the imaging result.
- the liquid crystal display panel is driven by the video data output from the video decoder 21, and a monitor image of the reproduction result is displayed.
- the audio processing unit 20 drives a speaker or the like based on the audio data output from the system block 16, thereby outputting an audio signal for monitoring.
- a speaker or the like is driven by audio data output from the audio decoder 22, thereby outputting a monitor audio signal as a reproduction result.
- the drive block 17 constitutes an optical disc device together with the optical disc 18, temporarily stores the output data of the system block 16 in the drive buffer 17 A, and outputs the optical data. Record on Isk 18. It also reproduces the data recorded on the optical disk 18 and outputs the resulting reproduced data to the system block 16. In this data transfer process, the drive block 17 records and reproduces data on the optical disk 18 at a data transfer speed of 20 [Mbps].
- the system block 16 performs time-division multiplexing processing, and the resulting streaming data can be recorded on the optical disc 18. Simultaneously with this processing, video data and audio data obtained from the camera section 12 and the microphone section 14 are input to the display section 19 and the audio processing section 20 via the system block 16. In addition, it is possible to output an image by a line output and to monitor an imaging result or the like.
- the playback data of the optical disk 18 is input from the drive block 17 to the system block 16, where it is separated into video data and audio data.
- the data is expanded by the decoder 21 and the audio decoder 22 and can be confirmed on the display unit 19, the audio processing unit 20, and external devices.
- the system block 16 and the drive block 17 are connected by an ATAP I (AT Attachment Packet Interface), and data can be transferred at a data transfer rate of 100 [Mbps]. It is done as follows. As a result, in the recording device 11, as shown in FIG. 4, the input data D 11 from the video encoder 13 and the audio encoder 15 is changed by the user to set the high image quality mode and the low image quality mode. 0 [Mb ps] or 5 [Mb ps] Temporarily accumulates in the system buffer 16 A, then transfers up to 100 [Mb ps] to the drive buffer 17 A and transfers up to 2 ⁇ [Mb ps] to the optical disk It is intended to be recorded in 18. In addition, data is reproduced from the optical disk 18 using a maximum of 20 [Mbps] and transferred to the system buffer 16A, where 10 [Mbps] or 5 [Mbps].
- ATAP I AT Attachment Packet Interface
- FIG. 5 is a time chart showing data transfer in the high image quality mode in the recording apparatus 11 at such a data transfer speed.
- the rate of the streaming data D 11 stored in the system buffer 16 A is 10 [Mb ps]
- the rate of recording on the optical disk 18 is 20 [Mb ps].
- a write period T1 for recording data on the optical disk 18 and a pause period T2 for suspending data recording on the optical disk 1.8 and a force S1 are as follows:
- the data D 13 is intermittently recorded on the optical disk 18 so as to satisfy the relationship 1 and the system block 16 is set so that the data amount in this one writing period is 5 [Mbyte].
- Each part is controlled by the built-in controller 16B.
- the system block 16 inputs streaming data to the system buffer 16A by 10 [Mbps] and accumulates the data.
- the controller 16B issues an instruction to write to the drive block 17 by the controller 16B.
- the 5 [Mbyte] streaming data is transferred to the drive block 17 at 100 [Mbps] (Fig. 5 (C)), and the data D12 transferred to the drive block 17 is driven.
- the data is recorded on the optical disk 18 via the buffer 17A (FIGS. 5 (D) and (E)).
- the writing period T1 and the pause period T2 are alternately repeated at an interval of approximately 2 seconds, so that the streaming data is intermittently recorded.
- the imaging result in the high image quality mode is obtained by the same intermittent playback process with a fixed data amount of 10 [Mbyte].
- the controller 16 of the system block 16 sends the drive block 17 to the drive block 17.
- the transmission speed is almost 20 [Mb ps] after the streaming data reproduced from the optical discs 18 to 20 [Mb ps] is transmitted in units of 32 [Kbyte] buckets by ATAP I. Become.
- the streaming data transferred from the drive block 17 in this way is stored in the system buffer 16A, and the system buffer
- the controller 16 B of the system block 16 regenerates 5 [Mbyte] data to the drive block 17. Be instructed.
- the read period T3 corresponding to the write period T1 and the pause period T2 are repeated at a cycle of 2 seconds, and the data recorded on the optical disk 18 is reproduced. It is made to live.
- the reproduction in the low image quality mode is based on the amount of data stored in the system buffer 16A as in the high image quality mode.
- the controller 16B of the system block 16 instructs the drive block 17 to play back 5 Mbytes of data.
- the streaming data D 13 is reproduced by the optical discs 18 to 20 [Mbps] (FIG. 8 (E)), and the reproduced streaming data is transferred to the system block 16 (FIG. 8 (C)). ) And (D)).
- the streaming data transferred from the drive block 17 in this way is accumulated in the system buffer 16 A, and when the data amount of the system buffer 16 A becomes 2 [Mbyte], the video decoder 21 Then, data output to the audio decoder 22 is started (FIGS. 8 (A) and 8 (B)). In addition, the data output is started in this way, and even if the streaming data from the drive block 17 is temporarily interrupted due to a retry or the like, the system buffer 16 A is reduced to the extent that freezing can be sufficiently avoided.
- the controller 16B of the system block 16 instructs the drive block 17 to reproduce the data of 5 [Mbyte].
- a 2-second read period T3 corresponding to the write period T1 and a 6-second pause period T2 are alternately repeated to reproduce data recorded on the optical disk 18. .
- the drive block 17 immediately starts recording and reproduction in response to a command output from the controller 16B of the system block 16. This is based on the premise that all parts of the drive block 17 are operating at all times. This is a case where the recording device 11 is operated by a commercial power supply. On the other hand, in the recording device 11, when operated by the power supply of the battery, the controller of the system block 16 controls by the controller of the system block 16 during the suspension period T2 of the drive block 17 described above. Switch the operation mode of drive block 17 to the power saving mode.
- the drive block 17 switches the operation mode to the power saving mode by stopping the operation of a part of the configuration related to the optical disk 18, and the part for stopping the operation is transmitted from the system block 16.
- the degree of power consumption is switched stepwise in the power saving mode by switching with a command.
- the drive block 17 starts operation and starts up required for normal operation. Stop the operation for a circuit with a relatively short time.
- the servo circuit of the spindle motor and the tracking control circuit of the magnetic head are assigned to the circuit for stopping the operation in response to the idle command, and the drive block 17 The operation of these circuits is stopped by stopping the supply of power.
- the drive block 17 does not control the rotation speed of the spindle motor at all and does not perform tracking control of the optical pickup, so that the power consumed by these circuits is reduced accordingly. It has been made.
- the drive block 17 adds a circuit to stop operation in response to an idle command. Also, the operation is stopped even for a circuit whose startup time is relatively long. Specifically, in this embodiment, a drive circuit for the spindle motor is assigned to a circuit for further stopping the operation in response to the stop command, and the drive block 17 supplies power to this drive circuit also. The operation is stopped by stopping. In this case, the drive block 17 rotates the optical disk 18 by inertia in this case, so that the power consumed by these circuits is reduced.
- drive block 17 When the power saving mode is released by the stop command (Stop), the operation is switched to the power saving mode by the idle (Idle).
- the stop The operation mode of the power saving mode by the command of (Stop) and Idle (Idle) is released and the operation is started up to the normal start-up state.
- the output data of the system block 16 corresponding to these read and write commands is output. Is recorded on the optical disk 18, and the data recorded on the optical disk 18 is reproduced and output to the system block 16.
- the controller 16B of the system block 16 sets the operation mode by the user at the time of recording, so that at the time of reproduction, the information relating to the file to be reproduced is used to determine the stream to be recorded and reproduced.
- the data mode is determined and the pause period T2 is relatively short, and the streaming data is recorded and played back in the high-quality mode with a short time margin, writing of 5 (M bytes) data is completed.
- an idle command is output, which saves power and reduces power consumption. Switch the operation mode of drive block 17 to.
- the write block of 5 [M bytes] is completed when the drive block 1 is completed.
- a notification is sent from 7 or when drive block 1 transfers 5 [M bytes] of data from 7, a stop command is output, which sets the drive block 1 to a power saving mode that has a large effect of reducing power consumption. Switch the operation mode of 7.
- FIG. 9 is a time chart showing a case in which streaming data is recorded in the high image quality mode by battery operation in comparison with FIG. 5, and in this case, when the user instructs to start recording, the system block is displayed.
- a start command (Start) is output to the drive block 17 (Fig. 9 (A) and (B)), whereby the stop command is issued.
- the operation of the drive block 17 is switched from the power saving mode to the power saving mode by the idle command.
- the storage of streaming data into the system buffer 16A is started, and when 5 [Mbyte] is stored, the 5 (Mbyte) data stored in the system buffer 16A is written by a write command (Write).
- the data is transferred to the drive block 17 (FIG. 9 (C)), whereby the operation of the drive block 17 is switched from the power saving mode by the idle command to the normal operation mode, and the transferred data D 12 Is recorded on the optical disk 18 (FIGS. 9 (D) and (E)).
- the controller 16B issues an idle command (Idle) to the drive block 17 to thereby operate in the power saving mode. Then, when 5 [Mbyte] of streaming data is accumulated in the system buffer 16 A, a write command is issued again, and the drive block 17 is started from the power saving mode to the normal operation mode. Record 5 [Mbyte] of leverage data.
- Switching the operation mode from the power-saving mode using the stop command to the power-saving mode using the idle command (Idle) requires about 2.4 seconds, and the normal operation from the power-saving mode using the idle command. While it takes about 0.4 seconds to start the operation to the mode, it takes about 4 seconds from the start of the storage of streaming data to the storage of 5 Mbytes of data. It takes time. As a result, even when the operation mode is started from the power saving mode in accordance with the user's recording instruction and the recording is performed, the time is not delayed as compared with the case where the power saving mode is not set at all. The imaging result obtained by the unit 12 can be recorded.
- Fig. 10 shows a low-quality
- the controller 16B of the system block 16 transmits the data to the system buffer 16A. 5 [Mbyte] is started, and when 5 [Mbyte] is accumulated, 5 [Mbyte] data accumulated in this system buffer 16A is transferred to the drive block 17 by the write command (Write).
- Fig. 10 (A), (B) and (C) As a result, the controller 16B starts the drive block 17 from the power saving mode by the stop command to the normal operation mode, and records the data of 5 [Mbyte] on the optical disk 18 ( Figure 10 (D) and (E)).
- the controller 16B issues a stop command to the drive block 17 and switches the operation mode to the power saving mode. Subsequently, when 5 [Mbyte] of streaming data is stored in the system buffer 16A, a playback / write command (Write) is issued, and the drive block is switched from the power saving mode to the normal operation mode. And record this 5 [Mbyte] worth of data.
- FIG. 11 is a time chart showing a case where high-quality mode streaming data is reproduced by battery driving in comparison with FIG. 7, in which case the user is instructed to start reproduction. Then, in the controller 16 B of the system block 16, a read command (Read) is issued to the drive block 17, thereby changing the drive block 17 from the power saving mode by the stop command to the normal operation mode. (Fig. 11 (A) and (B)).
- this data is recorded in the system buffer 16A, and when the data amount becomes a fixed amount (2 [Mbyte]), Output to the video decoder 21 and the audio decoder 22 is started, and when this data amount becomes 3.5 [Mbyte], the data amount of the continuous playback data becomes 5 [Mbyte], and the dry block 17
- the idle command is output (Fig. 11 (B) to (E)). Also this system buffer
- FIG. 12 is a time chart showing a case in which streaming data in a low image quality mode is reproduced by battery driving in comparison with FIG. 8, and in this case, the reproduction is started by the user.
- the controller 16B of the system block 16 issues a read command (Read) to the drive block 17 so that the drive block 17 is normally switched from the power saving mode by the stop command (Stop).
- Fig. 12 (A) and (B) When the drive block 17 starts operation and reproduces the data sequentially, the data is recorded in the system buffer 16A.
- the camera unit 12 and the microphone unit 14 acquire video data as an imaging result and audio data from a subject.
- the audio data is supplied to the display unit 19 and the audio processing unit 20 via the system block 16, whereby the audio of the subject can be monitored as a result of the imaging.
- the video data and the audio data output from the camera unit 12 and the microphone unit 14 are compressed by the video encoder 13 and the audio encoder 15, respectively.
- time-division multiplexing is performed to generate streaming data '.
- the streaming data is accumulated in the system buffer 16 A.
- the data is transmitted to the drive block 17 by the ATAP I interface, and the drive block 17 Drive buffer for 1
- the streaming data recorded in this manner is generated at a data transfer speed of 10 [Mbps].
- the data is generated at a data transfer rate of 5 [Mbps], so that the recording on the optical disk 18 is intermittently performed in units of a fixed data amount. Recording data is recorded.
- the streaming data to be recorded is generated at a data transfer rate of 10 [M bps] and 5 [M bps], respectively.
- recording in the low image quality mode has a longer time margin, and the length of the idle period during which data is not recorded on the optical disc 18 is longer in the low image quality mode.
- the drive block 17 operates in the power saving mode during the suspension period T2 under the control of the controller 16B of the system block 16. Switching, the overall power consumption is suppressed.
- an idle command output from the system block 16 causes the drive circuit of the optical disk 18 to relatively start up operation.
- the supply of power to the spindle servo circuit and tracking control circuit, which does not require time, is stopped, and the operation of these circuits is stopped. As a result, power consumption is reduced by the power consumption of these circuits.
- the stop command output from the system block 16 allows not only these circuits but also the spindle drive circuit that requires more time to start up from these circuits. Then, the power supply is stopped, and the power consumption is further reduced.
- the degree of power saving can be switched in accordance with the length of the pause period generated by intermittent recording of continuous data, and the power consumption can be more efficiently reduced as compared with the related art. Can be reduced.
- the power save control is adaptively performed with respect to the bit rate fluctuation, and the optimum power save effect is obtained. You can get that Therefore, the usable time by battery operation can be extended.
- the recordable time on the optical disk becomes long.
- the power consumption of the battery can be reduced in the low image quality mode in which the recordable time is long.
- consistency between the recording time of the recording medium and the usable time of the battery can be improved.
- the corresponding data is reproduced from the optical disk 18 and the reproduced data is input to the system block 16.
- the reproduced data is temporarily stored in the system buffer 16A, separated into video data and audio data, decompressed by the video decoder 21 and the audio decoder 22, respectively, and displayed on the display unit 19 and the audio data.
- the recording device 11 reproduces the data recorded on the optical disk 18 at a rate of 20 [Mbps], and also executes the high-quality mode and the In the low image quality mode, the data stored in the system buffer 16A is output to the video decoder 21 and the audio decoder 22 at a data transfer rate of 10 [Mbps] and 5 [Mbps].
- the streaming data is intermittently reproduced from the optical disk 18, and in the pause period T2 at the time of this reproduction, the low image quality mode becomes longer.
- the drive block 17 is in the power saving state during the idle period T 2 by the control of the controller 16 B of the system block 16.
- the operation is switched to the mode, and the overall power consumption is suppressed.
- an idle command output from the system block 16 causes the operation of the drive circuit of the optical disc to relatively start up.
- the supply of power to the spindle servo circuit and the tracking control circuit, which does not require much time, is stopped, and the operation of these circuits is stopped. As a result, the power consumption of these circuits is reduced.
- the stop command output from the system The power supply to the spindle drive circuit, which requires more time to start up, is stopped, and the power consumption is further reduced.
- the degree of power saving is switched according to the length of the pause period T2 that occurs due to intermittent reproduction of continuous data. It is designed to reduce power consumption.
- the operation of some circuits of the drive circuit related to the optical disk is stopped during the pause period generated by intermittent recording and / or reproduction of continuous data.
- the degree of power saving is switched according to the length of the idle period, thereby making it possible to reduce power consumption more efficiently than in the past.
- the number of partial circuits for stopping the operation is increased, so that the power consumption can be reduced according to the time margin in the idle period.
- the part of the circuit that stops operation as the length of the idle period becomes longer is set as a circuit that takes a relatively long time to start the operation, and the consumption is increased according to the time margin during the idle period.
- the power can be reduced.
- the present invention is not limited to this, and streaming data at a variable bit rate (VBR) is recorded. It can be widely applied to the case.
- VBR variable bit rate
- the pause period fluctuates, but during recording, the encoder process and the amount of data in the system buffer are monitored, and during playback, the decoder process and the system buffer data are monitored. By monitoring the amount, it is possible to respond by outputting idle commands and stop commands in anticipation of the idle period.
- any one of the idle command and the stop command is used.
- the present invention is not limited to this case.
- the idle command and the stop command may not be set to any power saving mode by monitoring the retry directly or indirectly.
- the drive block may be controlled by a combination of the above.
- the present invention is not limited to this, and may be switched in three or more stages.
- control program for the power saving mode may be provided by downloading via a network such as the Internet or by using various recording media.
- a recording medium such as a magnetic disk, an optical disk, a magnetic tape, and a memory card can be applied.
- the present invention is not limited to this, and various types of disks such as a magneto-optical disk, a hard disk, etc. It can be widely applied when desired data is recorded / reproduced on a shape recording medium.
- the degree of power saving is switched in accordance with the length of a pause period generated by intermittent recording and / or reproduction of continuous data, thereby achieving a higher efficiency than in the past. Power consumption can be reduced well.
- the present invention relates to a disk device, a disk device control method, and a program for a disk device control method, and can be applied to, for example, a portable video recorder using an optical disk.
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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AU2003284408A AU2003284408A1 (en) | 2002-12-25 | 2003-11-19 | Disk device, method for controlling disk device, and program for disk device controlling method |
US10/540,465 US20060083134A1 (en) | 2002-12-25 | 2003-11-19 | Disk device, method for controlling disk devic, and program for disk device controlling method |
EP03775831A EP1580743A4 (en) | 2002-12-25 | 2003-11-19 | DISC DEVICE AND ITS CONTROL METHOD, AND PROGRAM FOR DISC DEVICE CONTROL METHOD |
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JP2002373497A JP2004206775A (ja) | 2002-12-25 | 2002-12-25 | ディスク装置、ディスク装置の制御方法、ディスク装置の制御方法のプログラム |
JP2002-373497 | 2002-12-25 |
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EP (1) | EP1580743A4 (ja) |
JP (1) | JP2004206775A (ja) |
KR (1) | KR20050088470A (ja) |
CN (1) | CN1732526A (ja) |
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US7386661B2 (en) | 2004-10-13 | 2008-06-10 | Marvell International Ltd. | Power save module for storage controllers |
JP2007242103A (ja) | 2006-03-07 | 2007-09-20 | Seiko Epson Corp | データ再生装置、データ再生方法およびデータ再生プログラム |
CN101488351B (zh) * | 2008-01-14 | 2011-07-27 | 鸿富锦精密工业(深圳)有限公司 | 光盘播放设备及其马达控制方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04205963A (ja) * | 1990-11-30 | 1992-07-28 | Fujitsu Ltd | ディスク装置 |
JPH06243578A (ja) * | 1993-02-22 | 1994-09-02 | Sony Corp | デイスク装置 |
JPH07220370A (ja) * | 1994-01-31 | 1995-08-18 | Fujitsu Ltd | ディスク装置 |
JPH08255409A (ja) * | 1995-03-20 | 1996-10-01 | Fujitsu Ltd | ディスク装置 |
JPH08287583A (ja) * | 1995-04-13 | 1996-11-01 | Internatl Business Mach Corp <Ibm> | ディスク駆動装置の電力管理システムおよび方法 |
JPH10222918A (ja) * | 1997-02-06 | 1998-08-21 | Samsung Electron Co Ltd | ディスク形記憶装置の制御方法 |
JPH11162087A (ja) * | 1997-11-27 | 1999-06-18 | Sony Corp | ディスクドライブ装置 |
JPH11162101A (ja) * | 1997-11-25 | 1999-06-18 | Sony Corp | ディスクドライブ装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5682273A (en) * | 1995-06-30 | 1997-10-28 | International Business Machines Corporation | Disk drive for portable computer with adaptive demand-driven power management |
EP1583094B1 (en) * | 1998-04-21 | 2007-06-20 | Victor Company of Japan, Ltd. | Power saving system for optical disc recording/reproducing apparatus |
-
2002
- 2002-12-25 JP JP2002373497A patent/JP2004206775A/ja active Pending
-
2003
- 2003-11-19 AU AU2003284408A patent/AU2003284408A1/en not_active Abandoned
- 2003-11-19 CN CNA2003801076563A patent/CN1732526A/zh active Pending
- 2003-11-19 EP EP03775831A patent/EP1580743A4/en not_active Withdrawn
- 2003-11-19 US US10/540,465 patent/US20060083134A1/en not_active Abandoned
- 2003-11-19 KR KR1020057011941A patent/KR20050088470A/ko not_active Application Discontinuation
- 2003-11-19 WO PCT/JP2003/014700 patent/WO2004059638A1/ja not_active Application Discontinuation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04205963A (ja) * | 1990-11-30 | 1992-07-28 | Fujitsu Ltd | ディスク装置 |
JPH06243578A (ja) * | 1993-02-22 | 1994-09-02 | Sony Corp | デイスク装置 |
JPH07220370A (ja) * | 1994-01-31 | 1995-08-18 | Fujitsu Ltd | ディスク装置 |
JPH08255409A (ja) * | 1995-03-20 | 1996-10-01 | Fujitsu Ltd | ディスク装置 |
JPH08287583A (ja) * | 1995-04-13 | 1996-11-01 | Internatl Business Mach Corp <Ibm> | ディスク駆動装置の電力管理システムおよび方法 |
JPH10222918A (ja) * | 1997-02-06 | 1998-08-21 | Samsung Electron Co Ltd | ディスク形記憶装置の制御方法 |
JPH11162101A (ja) * | 1997-11-25 | 1999-06-18 | Sony Corp | ディスクドライブ装置 |
JPH11162087A (ja) * | 1997-11-27 | 1999-06-18 | Sony Corp | ディスクドライブ装置 |
Also Published As
Publication number | Publication date |
---|---|
US20060083134A1 (en) | 2006-04-20 |
EP1580743A4 (en) | 2008-04-09 |
KR20050088470A (ko) | 2005-09-06 |
AU2003284408A1 (en) | 2004-07-22 |
EP1580743A1 (en) | 2005-09-28 |
JP2004206775A (ja) | 2004-07-22 |
CN1732526A (zh) | 2006-02-08 |
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