WO2006019096A1 - 光ディスク記録再生装置およびその駆動方法 - Google Patents
光ディスク記録再生装置およびその駆動方法 Download PDFInfo
- Publication number
- WO2006019096A1 WO2006019096A1 PCT/JP2005/014952 JP2005014952W WO2006019096A1 WO 2006019096 A1 WO2006019096 A1 WO 2006019096A1 JP 2005014952 W JP2005014952 W JP 2005014952W WO 2006019096 A1 WO2006019096 A1 WO 2006019096A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optical disc
- recording
- mode
- sled
- image data
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
- H04N5/772—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera the recording apparatus and the television camera being placed in the same enclosure
-
- 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
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/28—Speed controlling, regulating, or indicating
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
- G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the tracks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/0857—Arrangements for mechanically moving the whole head
- G11B7/08582—Sled-type positioners
-
- 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
Definitions
- the present invention relates to an optical disc recording / reproducing apparatus suitable for use in a home video camera and a driving method thereof.
- This type of video camera that records moving images on an optical disc has excellent random access capability, can immediately play back recorded images, and can read information at high speed without contact with media. Therefore, the video camera power can be transferred to an external device such as a personal computer or home video device at high speed for editing, and the conventional tape-type video camera can be used with great strength. ing.
- FIG. Fig. 4 is a system block diagram of a conventional video camera.
- the image data of the subject image captured by the camera block 1 and the audio data of the external sound captured by the microphone (microphone) 2 are sent to the signal processing block 3, and the signal processing block 3 Converted to a format that can be recorded on optical disc D.
- the converted data is temporarily stored in the memory 4.
- image data and audio data are read from the memory 4 by the controller 5 and sent to the recording block 6.
- the controller 5 also drives the spindle motor 9 via the control block 7 and the drive block 8 to record image data and audio data on the optical disc D, and rotates the optical disc D at a constant linear velocity (CLV).
- CLV constant linear velocity
- a laser is emitted from the optical pickup 10 and the force of the beam spot is moved to move the beam spot to a predetermined recording position on the optical disc D.
- the sled motor 11 is driven to move the optical pickup 10 in the radial direction of the optical disk D.
- a tracking servo is applied to cause the beam spot to follow the track on the optical disc D.
- the recording block 6 writes the image data and audio data transferred from the memory 4 to the recording track of the optical disc D.
- the servo error signal of the optical disc D force is also read and supplied to the signal detection block 12. Then, this servo error signal is supplied to the signal detection block force control block 7, and tracking servo control and focus cinder servo control by the optical pickup 10 are performed.
- the speed at which data is written from the memory 4 to the optical disk D is faster than the speed at which data is transferred from the signal processing block 3 to the memory 4!
- the accumulated data decreases, and the controller 5 interrupts the writing to the optical disc D when the accumulated data amount becomes a predetermined amount or less. Then, in order to reduce power consumption, the disk drive system is stopped until data is accumulated in the memory 4 by turning off the servo, extinguishing the laser, and turning off the spindle motor 9.
- image data and audio data recorded on the optical disc D are read out via the optical pickup 10.
- the read image data and audio data are stored in the memory 4.
- the controller 5 supplies the image data and sound data stored in the memory 4 to the signal processing block 3, where the image data and audio data are converted into a reproduction format, and then the image data is supplied to the display unit 13 such as a liquid crystal panel.
- audio data is supplied to the speaker 14.
- a servo error signal read together with image data and audio data is supplied to the signal detection block 12, and this force is also transmitted from the optical pickup 10 via the control block 7. Tracking servo control and focus cinder servo control are performed.
- the speed of transferring image data and audio data from the optical disc D to the memory 4 is faster than the speed of transferring data from the memory 4 to the display unit 13 and the speaker 14.
- the controller 5 interrupts the reading of data from the optical disk D when the data storage amount exceeds a predetermined amount, and the disk drive system Stop.
- the transfer mode after the image data and audio data recorded on the optical disc D are read out via the optical pickup 10, these image data and audio data are stored in the signal processing block 3 and the external output. Via the terminal 15, the personal computer (not shown) is transferred to an external device such as a home video device. That is, in the transfer mode, since the data reproduction process by the signal processing block 3 is not performed, the data is continuously read by the optical pickup 10 and the read data is sequentially transferred to the external device.
- a home video camera using an optical disk as a moving image data recording medium operates as described above.
- management data for storing thumbnail data and the like is also recorded on the optical disc together with image data and audio data.
- This is a force that is necessary for high-speed video search and data reading that make use of the random access performance of optical discs, and is not necessarily recorded adjacent to the recording area of image data or audio data. It is often recorded at a position that requires seeking. Therefore, during the recording operation, a seek operation is frequently performed for data recording.
- the seek operation sound of the optical pickup 10 that is, the operation sound of the sled motor 11 leaks to the outside of the video camera and is input to the microphone 2.
- the microphone 2 There is an inconvenience of being written to the optical disc D together with the moving image data.
- the present invention has been made in view of the above problems, and an optical disk recording / reproducing apparatus capable of avoiding mixing of a thread motor operating sound into a microphone during a recording operation while utilizing high-speed accessibility of an optical disc, and a driving method thereof It is an issue to provide.
- the present invention has three different speed setting values as the thread movement speed of the optical pickup, and any one of the speed settings according to the operation mode by the movement speed control means.
- a value is selected. That is, the first sled moving speed setting value for the reproduction mode, the second sled moving speed setting value for the recording mode, and the third sled moving speed setting value for the transfer mode.
- the optical disc recording / reproducing apparatus of the present invention includes a moving speed control means for selecting any one of the first to third sled moving speeds according to the operation mode.
- the second sled moving speed setting value for the recording mode is set lower than the first sled moving speed setting value for the reproduction mode.
- the third thread moving speed setting value for the transfer mode is set to be higher than the first thread moving speed setting value for the reproduction mode.
- the moving speed control means may have a function of adjusting the second sled moving speed setting value for the recording mode in accordance with the operating volume of the sled moving mechanism. For example, depending on the shooting environment or operating environment, the set value of the second sled movement speed may not be sufficient. In this case, the sled operation sound can be silenced by further controlling the second sled movement speed to be slower within a range that does not affect the recording operation.
- FIG. 1 is a functional block diagram of an optical disc recording / reproducing apparatus 20 according to a first embodiment of the present invention.
- FIG. 2 is a flowchart for explaining the operation of the optical disc recording / reproducing apparatus 20.
- FIG. 3 is a flowchart for explaining the operation of the second exemplary embodiment of the present invention.
- FIG. 4 is a functional block diagram of a conventional optical disc recording / reproducing apparatus.
- FIG. 1 is a functional block diagram of an optical disc recording / reproducing apparatus according to the first embodiment of the present invention.
- the optical disc recording / reproducing apparatus 20 of the present embodiment is configured by a home video camera using a DVD as a recording medium as an optical disc.
- the optical disc recording / reproducing apparatus 20 includes a camera block 21, a microphone (microphone) 22, a signal processing block 23, a memory 24, a controller 25, a recording block 26, a control block 27, a drive block 28, a spindle motor 29,
- the optical pickup 30, sled motor 31, signal detection block 32, display unit 33, speaker 34, external output terminal 35, movement speed setting block 36 and movement speed setting value storage block 37 are configured.
- Each of these components is housed and arranged in a common video camera casing.
- the optical disc recording / reproducing apparatus 20 includes image data of a subject image captured by the camera block 21 and audio data of external sound captured by the microphone 22.
- the camera block 21 includes an individual imaging device such as a CCD (Charge Coupled Device), a lens, and the like, and generates image data (moving image data) of a subject image.
- the microphone 22 collects external sound and operates in synchronization with the camera block 21 to generate audio data related to the image data.
- the signal processing block 23 converts the image data supplied from the camera block 21 and the audio data supplied from the microphone 22 into a format that can be recorded on the optical disc D, and stores the converted data in the memory 24.
- the signal processing block 23 reproduces the image data and the audio data from the RF signal from which the optical disc D force is also read, and supplies the image data and the audio data to the display unit 33 and the speaker 34, respectively.
- the data is transferred to the external device (personal computer, home video device, etc.) connected to this via the output terminal 35.
- the controller 25 has a function as a control unit that performs overall control of the operation of the optical disc recording / reproducing apparatus 20.
- the controller 25 drives the spindle motor 29 via the control block 27 and the drive block 28 to rotate the optical disc D. After that, a laser is emitted from the optical pickup 30 and a focus cinder servo is applied to move the beam spot to a predetermined recording position of the optical disk D, and then the thread motor 31 is driven to move the optical pickup 30 to the diameter of the optical disk D. Move in the direction. After the beam spot reaches the specified recording position, the tracking servo is applied to cause the beam spot to follow the track on the optical disc D.
- the control block 27 and the drive block 28 perform focus cinder servo control, tracking servo control, skew servo control, etc. of the optical pickup 30 based on the servo error signal detected by the signal detection block 32, and the spindle.
- the rotation speed control of the motor 29 and the drive control of the sled motor 31 are performed.
- the sled motor 31 moves the optical pickup 30 in the radial direction of the optical disc D.
- the red moving mechanism is configured.
- This sled moving mechanism includes a rack gear and a slide shaft for converting the rotational driving force of the sled motor 31 into the linear driving force of the optical pickup 30.
- the sled operation sound of the optical pickup 30 relates to the driving sound of the sled motor 31, the squeezing sound between the gears when the optical pick-up 30 moves, the sliding sound of the shaft, and the like. This sled operation sound is generated mainly during the seek operation of the optical pickup 30 and increases in proportion to the sled moving speed.
- a plurality of sled moving speeds of the optical pickup 30 are prepared, and the sled moving speed is set according to the operation mode of the optical disc recording / reproducing apparatus 20.
- the plurality of sled movement speed setting values are stored as fixed values in the movement speed setting value storage block 37.
- the moving speed set value storage block 37 can use a storage element such as a semiconductor memory.
- one of the sled movement speed setting values is selected by the movement speed setting block 36.
- the moving speed setting block 36 selects a sled moving speed setting value associated in advance according to the operation mode (recording mode, reproducing mode or transfer mode) of the optical disc recording / reproducing apparatus 20.
- the operation mode is determined by the controller 25.
- the moving speed setting value storage block 37 includes a first sled moving speed setting value for playback mode, a second sled moving speed setting value for recording mode, and a third sled speed setting for transfer mode.
- Three types of thread movement speed setting values are stored.
- the second thread movement speed setting value (for recording) is set to a lower speed than the first thread movement speed setting value (for playback)
- the third thread movement speed setting value (transfer) is set at a higher speed than the first thread movement speed setting value (for playback).
- first to third sled moving speed setting values can be appropriately selected according to the specifications of the device.
- the first sled moving speed for the playback mode is set to the sled moving speed (common to recording, reproduction, and transfer) applied in the above-described conventional video camera.
- the second thread movement speed for recording mode is The speed is set to a low speed that does not affect the operation, and the volume of the sled operation sound is set to a predetermined level or less.
- the third thread movement speed for the transfer mode can be set to a high speed as long as the transfer operation is not affected.
- the controller 25, the moving speed setting block 36, and the moving speed set value storage block 37 constitute the “moving speed control means” of the present invention.
- FIG. 2 is a flowchart for explaining a part of the operation of the optical disc recording / reproducing apparatus 20.
- the controller 25 constantly checks the operation mode of the optical disc recording / reproducing apparatus 20 (step Sl).
- the operation mode (recording, playback, transfer) is switched by a switch 40 (Fig. 1) operated by the user.
- the controller 25 confirms the recording mode to the optical disc D as the operation mode.
- the movement speed setting block 36 selects the second thread movement speed setting value for the recording mode from the movement speed setting value storage block 37 (steps S2 and S3), and the selected thread movement speed. Input the set value to control block 27 (step S4).
- the sled motor 31 is constituted by a DC motor, and the sled motor 31 is adjusted by adjusting the drive voltage for adjusting the sled moving speed of the optical pickup 30. Therefore, in step S4, the drive voltage corresponding to the selected sled moving speed setting value is set.
- the sled motor 31 is composed of a pulse motor, a duty ratio corresponding to the sled moving speed setting value is set.
- step S5 when the recording start button is pressed by the user, the recording operation is started (step S5).
- the image (movie) data of the subject image captured by the camera block 21 and the sound data of the external sound captured by the microphone 22 are converted into a format that can be recorded on the optical disc D by the signal processing block 23.
- the converted data is temporarily stored in memory 24.
- image data and audio data are read from the memory 24 by the controller 25 and sent to the recording block 26.
- the controller 25 also drives the spindle motor 29 via the control block 27 and the drive block 28 to rotate the optical disc D at a constant linear velocity (CLV).
- CLV constant linear velocity
- a laser is generated from the optical pickup 30 and a focus cinder servo is applied to move the beam spot to a predetermined recording position of the optical disc D, and then the sled motor 31 is driven at the second thread moving speed.
- the optical pickup 30 is moved in the radial direction of the optical disc D.
- the tracking spot is applied to cause the beam spot to follow the track on the optical disc D.
- the recording block 26 writes the image data and audio data transferred from the memory 24 to the recording track of the optical disc D.
- the speed at which data is written from the signal processing block 23 to the memory 24 to the optical disc D is faster than the speed at which the data is transferred from the memory 24 to the optical disc D. Therefore, the data is stored in the memory 24 as the data is written to the optical disc D.
- the controller 25 stops writing to the optical disc D when the amount of stored data decreases and the data storage amount falls below a predetermined amount. In order to reduce power consumption, the disk drive system is stopped until data is accumulated in the memory 24 by turning off the servo, turning off the laser, and turning off the spindle motor 29.
- management data for storing thumbnail data or the like is also image data or audio data, as in the conventional video camera described above.
- it is recorded on the optical disc D.
- This is a force that is necessary for high-speed video search and data reading that make use of the random access performance of optical discs. It is not necessarily recorded adjacent to the recording area of image data or audio data, and to some extent In many cases, it is recorded at a position that requires seeking. Therefore, during the recording operation, a seek operation is frequently performed for data recording.
- control block 27 includes the second threshold for the recording mode. Therefore, the thread moving speed of the optical pickup 30 during the seek operation is performed at a lower speed than the sled moving speed in the playback mode.
- step S6 the controller 25 confirms the playback mode of the optical disc D as the operation mode (step Sl).
- the movement speed setting block 36 selects the first thread movement speed setting value for the playback mode from the movement speed setting value storage block 37 (steps S2, S7, S8), and the selected thread movement.
- the speed set value is input to control block 27 (step S4). Then, the following playback operation is performed (step S5).
- the controller 25 emits a laser from the optical pickup 30 and applies a focus cinder servo to move the beam spot to a desired reading position of the optical disc D, and then drives and controls the thread motor 31 to perform optical control.
- the pickup 30 is moved at the first sled movement speed set. After the beam spot reaches the desired track reading position, the tracking servo is applied to cause the beam spot to follow the track on the optical disc D.
- the image data and audio data recorded on the optical disk D are read out via the optical pickup 30 and stored in the memory 24.
- the accumulated data is simultaneously read out to the signal processing block 23 and subjected to reproduction processing. Then, the image data is sent to the display unit 33 and the audio data is sent to the speaker 34.
- the optical pickup 30 performs a predetermined seek operation to read management data such as thumbnail data recorded on the optical disc D.
- the seek operation is performed at the first thread movement speed that is higher than that in the recording mode described above. Since the speed of reading data with the optical pickup 30 is faster for the optical disc D force than the speed for reproducing the data stored in the memory 24 in the signal processing block 23, the data reading operation from the optical disc D is intermittent. It becomes the target. While the reading operation is paused, the servo is turned off, reducing the power consumption of the optical disk drive system.
- the controller 25 confirms this, and the movement speed setting block 36 moves the third thread for the transfer mode from the movement speed setting value storage block 37.
- the speed setting value is selected (steps S7 and S9), and the third thread movement speed setting value for the selected transfer is input to the control block 27 (step S4).
- the transfer mode the image data and audio data recorded on the optical disc D are read through the optical pickup 30 as in the playback mode, but the signal processing block 23 performs processing in accordance with a predetermined playback rate.
- the read data is transferred as it is to an external device such as a personal computer via the external output terminal 35. Therefore, data is read at a higher speed than in the reproduction mode described above.
- the optical pickup 30 performs a predetermined seek operation to read management data such as thumbnail data recorded on the optical disc D.
- the seek operation is performed at the third thread movement speed that is faster than in the playback mode described above.
- the second sled moving speed for the recording mode is set to be lower than the first sled moving speed for the playback mode. It is possible to reduce the sled operation sound caused by the seek operation in the mode, thereby avoiding mixing of the sled operation sound into the microphone 22 and recording high-quality moving image data.
- the seek operation in the playback mode can be performed at a higher speed than in the recording mode, the drive pause time of the intermittent operation can be increased, which makes the high-speed accessibility of the optical disk effective.
- the power consumption of the optical disk drive system can be reduced.
- the time required for the signal processing block 23 can be reduced by executing a part of the signal processing on the destination device. Since it is possible to perform almost no data storage in the memory 24, the seek operation in the transfer mode is performed at a higher thread movement speed than in the playback mode as in this embodiment. As a result, the data transfer processing speed can be further improved.
- the second sled moving speed setting value for the recording mode is stored in the moving speed setting value storage block 37 as a fixed value.
- video camera Depending on the shooting environment, there may be a case where the image quality deteriorates due to the mixing of the thread operation sound even at the set sled movement speed. Therefore, in this embodiment, an adjustment function capable of resetting the second sled moving speed setting value for the recording mode is provided so that the sled operating sound can be optimized according to the photographing environment.
- FIG. 3 is a process flow for explaining the sled moving speed adjusting method in the recording mode. This step is executed, for example, at the initial setting after the video camera 20 is turned on.
- the initial setting value of the second thread movement speed for the recording mode stored in the movement speed setting value storage block 37 is read and set in the control block 27 (step Sl l). ). Under this condition, the sled motor 31 is driven, and the optical pickup 30 is sled-operated (step S12). The motor sound (operation sound) at this time is captured by the microphone 22 (step S13). Next, the volume of the motor sound captured by the microphone 22 is compared with a predetermined value (reference value) prepared in advance (step S14). Is maintained (step S15).
- the second sled moving speed setting value for the recording mode is set to a predetermined amount lower than the currently set speed setting value.
- Set the speed setpoint (Step S16). Then, the thread operation is performed again at the re-set speed setting value, the motor sound at that time is measured, and the above processing is continued until it becomes a predetermined value or less.
- the sled moving speed setting value is decreased by a predetermined amount.
- the volume level of the measured motor sound is measured.
- the speed setting value corresponding to the sound is calculated and updated to the optimum speed setting value, or the optimum speed setting value is selected from a table created in advance corresponding to the volume level of the motor sound. A method is also applicable.
- optical disk such as the force MD (Mini-Disk) described with reference to an example of a home video camera using a DVD (Digital Versatile Disk) as a recording medium as the optical disk D is used.
- the present invention is also applied to an optical disc recording / reproducing apparatus used as a recording medium. Is possible.
- the present invention it is possible to effectively prevent the thread operation sound during the seek operation of the optical pickup during the recording operation from being mixed into the microphone, so that the moving image data can be recorded with high quality.
- high-speed data transfer can be realized by effectively utilizing the excellent random accessibility of optical discs.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Studio Devices (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/658,970 US20090231977A1 (en) | 2004-08-17 | 2005-08-16 | Optical disk recording and reproduction apparatus and method of driving same |
EP05772712A EP1801796A4 (en) | 2004-08-17 | 2005-08-16 | OPTICAL DISC RECORDING / REPRODUCING DEVICE AND TRAINING METHOD THEREOF |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004237347A JP4254655B2 (ja) | 2004-08-17 | 2004-08-17 | 光ディスク記録再生装置およびその駆動方法 |
JP2004-237347 | 2004-08-17 |
Publications (1)
Publication Number | Publication Date |
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WO2006019096A1 true WO2006019096A1 (ja) | 2006-02-23 |
Family
ID=35907483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/014952 WO2006019096A1 (ja) | 2004-08-17 | 2005-08-16 | 光ディスク記録再生装置およびその駆動方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20090231977A1 (ja) |
EP (1) | EP1801796A4 (ja) |
JP (1) | JP4254655B2 (ja) |
KR (1) | KR20070042533A (ja) |
CN (1) | CN100479499C (ja) |
TW (1) | TW200617916A (ja) |
WO (1) | WO2006019096A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20100069957A (ko) * | 2008-12-17 | 2010-06-25 | 주식회사 히타치엘지 데이터 스토리지 코리아 | 광 디스크 기록 방법 및 광 디스크 장치 |
JP2012043488A (ja) * | 2010-08-16 | 2012-03-01 | Funai Electric Co Ltd | メディアドライブ装置 |
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JPH08124279A (ja) * | 1994-08-31 | 1996-05-17 | Sony Corp | ディスク状記録媒体の記録及び/又は再生装置 |
JPH11126422A (ja) * | 1997-10-22 | 1999-05-11 | Matsushita Electric Ind Co Ltd | パーソナルコンピュータ |
JP2000293965A (ja) * | 1999-04-07 | 2000-10-20 | Sony Corp | 間欠メカノイズ低減装置 |
JP2003143525A (ja) * | 2001-08-24 | 2003-05-16 | Canon Inc | 記録装置 |
WO2003085665A1 (fr) * | 2002-04-10 | 2003-10-16 | Matsushita Electric Industrial Co., Ltd. | Lecteur de disque |
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CN1095164C (zh) * | 1994-06-07 | 2002-11-27 | 株式会社日立制作所 | 对多种运作模式进行选择后进行记录/再生的信息存储装置及其控制方法 |
US5864763A (en) * | 1996-09-24 | 1999-01-26 | Qualcomm Inc | Digital wireless telephone system interface for analog telecommunications equipment |
JP2003233957A (ja) * | 2002-02-06 | 2003-08-22 | Sanyo Electric Co Ltd | コンテンツ記録装置およびコンテンツ記録方法 |
JP2003249003A (ja) * | 2002-02-25 | 2003-09-05 | Canon Inc | 記録装置 |
KR100457140B1 (ko) * | 2002-03-16 | 2004-11-16 | 주식회사 레인콤 | 디스크 서보 제어 장치 및 방법 |
JP2004039111A (ja) * | 2002-07-03 | 2004-02-05 | Sony Corp | ディスク記録装置及び方法、ディスク再生装置及び方法、並びにディスク記録再生装置 |
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2004
- 2004-08-17 JP JP2004237347A patent/JP4254655B2/ja not_active Expired - Fee Related
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2005
- 2005-07-12 TW TW094123579A patent/TW200617916A/zh not_active IP Right Cessation
- 2005-08-16 CN CNB2005800283103A patent/CN100479499C/zh not_active Expired - Fee Related
- 2005-08-16 EP EP05772712A patent/EP1801796A4/en not_active Withdrawn
- 2005-08-16 KR KR1020077001511A patent/KR20070042533A/ko not_active Application Discontinuation
- 2005-08-16 WO PCT/JP2005/014952 patent/WO2006019096A1/ja active Application Filing
- 2005-08-16 US US11/658,970 patent/US20090231977A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH08124279A (ja) * | 1994-08-31 | 1996-05-17 | Sony Corp | ディスク状記録媒体の記録及び/又は再生装置 |
JPH11126422A (ja) * | 1997-10-22 | 1999-05-11 | Matsushita Electric Ind Co Ltd | パーソナルコンピュータ |
JP2000293965A (ja) * | 1999-04-07 | 2000-10-20 | Sony Corp | 間欠メカノイズ低減装置 |
JP2003143525A (ja) * | 2001-08-24 | 2003-05-16 | Canon Inc | 記録装置 |
WO2003085665A1 (fr) * | 2002-04-10 | 2003-10-16 | Matsushita Electric Industrial Co., Ltd. | Lecteur de disque |
Non-Patent Citations (1)
Title |
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See also references of EP1801796A4 * |
Also Published As
Publication number | Publication date |
---|---|
JP4254655B2 (ja) | 2009-04-15 |
EP1801796A4 (en) | 2009-04-22 |
EP1801796A1 (en) | 2007-06-27 |
US20090231977A1 (en) | 2009-09-17 |
TWI310940B (ja) | 2009-06-11 |
KR20070042533A (ko) | 2007-04-23 |
TW200617916A (en) | 2006-06-01 |
JP2006059391A (ja) | 2006-03-02 |
CN101006498A (zh) | 2007-07-25 |
CN100479499C (zh) | 2009-04-15 |
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