WO2003025934A1 - Dispositif d'enregistrement/de reproduction - Google Patents
Dispositif d'enregistrement/de reproduction Download PDFInfo
- Publication number
- WO2003025934A1 WO2003025934A1 PCT/JP2002/008946 JP0208946W WO03025934A1 WO 2003025934 A1 WO2003025934 A1 WO 2003025934A1 JP 0208946 W JP0208946 W JP 0208946W WO 03025934 A1 WO03025934 A1 WO 03025934A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- recording
- display
- operation magnification
- reproducing apparatus
- magnification
- Prior art date
Links
- 239000003086 colorant Substances 0.000 claims description 6
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 abstract description 55
- 238000012545 processing Methods 0.000 description 11
- 238000012546 transfer Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- 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
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/005—Reproducing at a different information rate from the information rate of recording
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/34—Indicating arrangements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/10—Indicating arrangements; Warning arrangements
-
- 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
-
- 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
- G11B2020/10935—Digital recording or reproducing wherein a time constraint must be met
- G11B2020/10981—Recording or reproducing data when the data rate or the relative speed between record carrier and transducer is variable
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
- G11B2220/215—Recordable discs
- G11B2220/216—Rewritable discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
- G11B2220/215—Recordable discs
- G11B2220/218—Write-once discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2545—CDs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
Definitions
- the present invention generally relates to a recording / reproducing apparatus, and more particularly, to a recording / reproducing apparatus that performs recording and / or Z-play on a disk-shaped recording medium and that can change the operation magnification.
- optical recording media have been widely used as disc-shaped recording media.
- the optical recording medium is a disk-shaped recording medium provided with a signal recording layer.
- recording / reproduction By irradiating the signal recording layer with a laser beam, recording and / or reproduction of an information signal (hereinafter referred to as recording / reproduction). ) Is performed.
- a pit row corresponding to an information signal to be recorded such as a CD (Compact Disc) or a CD-ROM (CD-Rad On Only Memory), is formed on a disk substrate.
- a read-only optical disk that is formed in advance.
- the main surface of the disk substrate on which pit rows are formed functions as a signal recording layer.
- CD-R CD-Recordab1e
- CD-I has a signal recording layer formed of an organic dye-based material, and recording is performed by irradiating the signal recording layer with laser light to change the reflectivity at the irradiation position. Will be The recorded signal is reproduced by detecting the reflectance of the signal recording layer.
- phase-change optical disk such as a CD-RW (CD-rewritable), in which a recording signal can be rewritten by utilizing a phase change of a signal recording layer, has been put to practical use.
- CD-RW CD-rewritable
- Optical discs such as CD, CD-ROM, CD-R, CD-RW etc.
- Various specifications have been standardized according to the so-called CD format.
- a CD-R or a CD-RW in which an information signal can be additionally written or rewritten can be reproduced by a reproduction-only CD or CD-ROM reproducing apparatus.
- the optical disk device that records an information signal on a CD-R or a CD-RW as described above, usually, the optical disk device is provided on the CD-R or the CD-RW before actually writing the information signal. After performing test writing using the test writing area, setting the irradiation power of the laser beam so that the asymmetry value is optimal, and then irradiating the laser beam with the irradiation power, the information signal is recorded.
- the optical disk device while recording information signals, the variation of the irradiation power of the laser beam is detected by the APC (Automatic Power Control 1), and recording is always performed with a constant irradiation power. Done.
- APC Automatic Power Control 1
- an operation speed at which data can be transferred at a rate of 150 kilobytes per second during recording / reproduction is set as a standard operation speed.
- the error rate may increase due to uneven weight or disc eccentricity caused by uneven amount of ink printed on the label surface. is there.
- the operation speed may be reduced stepwise until normal recording / reproduction operation is possible.
- a general object of the present invention is to provide an improved and useful recording / reproducing apparatus which solves the above-mentioned problems.
- a more specific object of the present invention is to provide a recording / reproducing method that enables an operator to easily check the current operation speed (operation magnification) when performing recording / reproduction on a disk-shaped recording medium. 6 to provide equipment.
- a recording / reproducing apparatus for recording and / or reproducing information on / from a disk-shaped recording medium.
- a recording / reproducing apparatus includes an operation magnification display unit that displays an operation magnification, and a control unit that controls display of the operation magnification display unit.
- the operation magnification at the time of recording or reproduction can be displayed on the operation magnification display section. This makes it easy to estimate the recording time and to judge the recording / reproducing performance of each disc.
- the operation magnification display section has a display element capable of displaying a plurality of colors, and the control section controls the display element so that the display element displays a display color corresponding to the operation magnification. You can do that.
- the display element is preferably a light emitting diode that can emit light in a plurality of colors.
- the operation magnification display section may include a plurality of display elements, and the control section may control the display elements so that a predetermined display element corresponding to the operation magnification is displayed.
- the display element is preferably a plurality of light emitting diodes that emit light of different colors.
- the operation magnification display unit has a display element capable of displaying characters, numbers, or symbols, and the control unit displays characters, numbers, or symbols indicating the operation magnification. It is also possible to control the display element to display.
- the display element is preferably a liquid crystal display panel.
- the operation magnification display section is provided on a front panel of the recording / reproducing apparatus.
- FIG. 1 is a block diagram of a configuration of an optical disk device according to one embodiment of the present invention.
- FIG. 2 is a front view of an example of a front panel provided in the optical disk device shown in FIG.
- FIG. 3 is a front view of another example of the front panel provided in the optical disk device shown in FIG.
- FIG. 4 is a front view of still another example of the front panel provided in the optical disk device shown in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a block diagram showing a configuration of an optical disk device 10 according to one embodiment of the present invention.
- the optical disc device 10 is a device that records and reproduces information signals on an optical disc such as a CD-R or a CD-RW based on the CD format.
- the present invention can be applied to any recording apparatus that performs recording and reproduction on a disk-shaped recording medium.
- an optical disk 50 as a recording / reproducing medium is mounted on the optical disk device 10.
- the optical disc device 10 irradiates a laser beam to a spin / re motor 11 for rotating the optical disc 50 and a signal recording layer of the optical disc 50, and detects return light from the signal recording layer.
- An optical pickup 1 and 2 are provided.
- the optical pickup 12 is movable in the radial direction of the optical disk 50 by a driving mechanism (not shown), and irradiates an arbitrary position on the optical disk 50 with laser light.
- the optical disc device 10 includes an RF unit 13, a signal processing unit 14 connected to the RF unit 13, and an interface unit 15 connected to the signal processing unit 14.
- the unit 13 performs various signal processing on the RF signal output according to the intensity of the return light detected by the optical pickup 12.
- the RF unit 13 feedback-controls the spindle motor 11 in response to an output signal from the optical pickup 12 so that the optical disc 50 is driven at a predetermined angular velocity or linear velocity during recording / reproducing on the optical disc 50. Is controlled so as to rotate while maintaining.
- the signal processing unit 14 performs, for example, modulation 'demodulation processing, encoding' decoding processing 'on a signal read from the optical disc 50 or a signal to be recorded on the optical disc 50. And various other signal processing.
- the interface unit 15 exchanges signals with an external device such as a computer device.
- the interface unit 15 outputs a signal read from the optical disk 50 and subjected to predetermined signal processing by the signal processing unit 14 to an external device.
- the signal input from the external device is transferred to the signal processing unit 14 for recording on the optical disk 50.
- the optical disk device 10 includes a control unit 16 that controls the operation of each unit.
- the control unit 16 controls the operation of each unit of the device according to various requests input from an external device via the interface unit 15.
- a display unit 17 for displaying an operation magnification at the time of recording and reproduction is connected to the control unit 16.
- the transfer rate can be changed according to the type of the optical disk 50 and the recording / reproducing operation on the optical disk 50.
- the recording / reproducing operation can be performed at 4 ⁇ , 8 ⁇ , 16 ⁇ , 24 ⁇ , or 32 ⁇ speed with 15 OKBZ sec as the standard speed.
- the transfer rate is set to about 60 OK BZ sec
- the transfer rate is set to about 160 OK BZ sec. That is, recording and reproduction are performed at a transfer rate that is approximately an integral multiple of the standard speed.
- control unit 16 operates at 24 ⁇ speed when playing a CD-ROM, and operates at 4 ⁇ speed when recording on a CD-RW, and records on a CD-R. It operates at 8x speed.
- the control of the operating speed is performed by the control unit 16 by increasing the rotation speed of the spindle motor 11 from the standard speed or by the signal processing unit 1 within a range where no abnormality is observed in the output signal from the RF unit 13. This is realized by increasing the calculation speed in (4).
- FIG. 2 is a front view showing a front panel 20 of the optical disc device 10.
- a front panel 20 arranged on the front side of the main body case of the optical disk device 10 includes a tray 21 1 ′ for mounting the optical disk 50 and inserting it into the device or discharging it from the device.
- An operation button 22 for pulling in or ejecting the tray 21 is provided.
- a display unit is provided on the front panel 20.
- the display unit 17 includes a power indicator 17 a for turning on and off the power of the optical disk device 10 itself, and an operation mode indicator 17 for indicating the operation mode for the optical disk 50. b, and an operation magnification indicator 17c indicating the operation magnification.
- Each indicator is constituted by, for example, a light emitting diode (LED: Light Emitting Diode), and its light emitting operation is controlled by the control unit 16.
- LED Light Emitting Diode
- the power indicator 17a for example, lights green when the power of the optical disk device 10 is on, and turns off when the power is off.
- the operation mode indicator 17b is turned off when, for example, the recording / reproducing operation is not being performed on the optical disk 50, is lit green when the reproducing operation is being performed, and when the recording operation is being performed. Lights up red.
- the operation magnification indicator 17c is turned off, for example, when the recording / reproducing operation for the optical disk 50 is performed at 8x speed or less, and lights up in orange (amber) when operating at 16x speed. Lights up green when operating at 24x speed, and lights up red when operating at 32x speed.
- the optical disc device 10 includes the above-described operation magnification indicator 17c, and the display color that is lit according to the operation magnification is controlled, so that the operator can easily visually recognize the operation magnification that is currently set. . This makes it easy to estimate the recording time and determine the recording / reproducing performance for each disc.
- the operation magnification indicator 17c is not limited to using the light emitting diode.
- the operation magnification indicator 17c may be configured using an incandescent lamp or various EL (E1 ectro-Luminescent) elements.
- FIG. 3 corresponds to FIG. 2 used in the above description, and shows a front panel of the optical disc device 10.
- the operation magnification indicator 17c is composed of a plurality of display elements A to D, and a predetermined display element may emit light (light) according to the operation magnification. ,. Specifically, for example, when operating at 8 ⁇ speed or less, the display element A Lights, turns on display element B when operating at 16x speed, turns on display element C when operating at 24x speed, and turns on display element D when operating at 2x speed. Lights up.
- all the display elements showing the operation magnification lower than the operation speed during the recording / reproduction operation may be turned on.
- all the display elements A, B, and C are turned on.
- the number of display elements that are turned on increases as the operation magnification increases, so that the operator can easily visually grasp the magnitude of the current operation magnification (operation speed).
- FIG. 4 corresponds to FIG. 2 used in the above description, and shows the front panel 20 of the optical disc device 10.
- the operation magnification indicator 17c is configured to be able to display characters, numbers, or symbols by, for example, a liquid crystal display panel, and is configured to display characters, numbers, or symbols indicating the operation magnification. It may be displayed. Specifically, for example, the number “8” may be displayed when operating at 8 ⁇ speed, and the number “16” may be displayed when operating at 16 ⁇ speed.
- the display content of the liquid crystal display panel as described above is controlled by the control unit 16 based on the currently set operation magnification. Even in this case, the operator can easily visually recognize the currently set operation magnification. This makes it easy to estimate the recording time and determine the recording / reproducing performance for each disc.
Landscapes
- Optical Recording Or Reproduction (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/415,020 US20040008600A1 (en) | 2001-09-18 | 2002-09-03 | Recording/reproducing device |
EP02762985A EP1429338A4 (en) | 2001-09-18 | 2002-09-03 | RECORDER / PLAYBACK DEVICE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001282760A JP2003091983A (ja) | 2001-09-18 | 2001-09-18 | 記録再生装置 |
JP2001-282760 | 2001-09-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003025934A1 true WO2003025934A1 (fr) | 2003-03-27 |
Family
ID=19106367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/008946 WO2003025934A1 (fr) | 2001-09-18 | 2002-09-03 | Dispositif d'enregistrement/de reproduction |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040008600A1 (ja) |
EP (1) | EP1429338A4 (ja) |
JP (1) | JP2003091983A (ja) |
TW (1) | TWI222629B (ja) |
WO (1) | WO2003025934A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7349300B2 (en) | 2003-05-08 | 2008-03-25 | Teac Corporation | Optical disk apparatus having variable reproduction speed function |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013016221A (ja) * | 2011-07-01 | 2013-01-24 | Funai Electric Co Ltd | 転送制御装置及び再生装置 |
WO2022230233A1 (ja) * | 2021-04-28 | 2022-11-03 | 日本たばこ産業株式会社 | 吸引装置、表示装置、表示方法、及びプログラム |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1196743A (ja) * | 1997-09-25 | 1999-04-09 | Ricoh Co Ltd | 光ディスクドライブ装置の表示装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2684357B2 (ja) * | 1984-02-06 | 1997-12-03 | キヤノン株式会社 | 記録又は再生装置 |
JPH01196743A (ja) * | 1988-02-01 | 1989-08-08 | Toshiba Corp | 情報記録媒体 |
TW232732B (ja) * | 1991-10-02 | 1994-10-21 | Philips Gloeilamdenfabrieken Nv | |
US5289439A (en) * | 1992-05-27 | 1994-02-22 | Vimak Corporation | CD transport apparatus |
US5610893A (en) * | 1994-06-02 | 1997-03-11 | Olympus Optical Co., Ltd. | Information recording and reproducing apparatus for copying information from exchangeable master recording medium to a plurality of other exchangeable recording media |
US6058080A (en) * | 1994-09-22 | 2000-05-02 | Aiwa Co., Ltd. | Disc-position display for auto disc changer |
JP3109971B2 (ja) * | 1995-02-03 | 2000-11-20 | オリンパス光学工業株式会社 | 情報再生システム及び情報記録システムとその記録媒体 |
TW337580B (en) * | 1996-07-24 | 1998-08-01 | Hitachi Ltd | Disc reproducing method and disc reproducing apparatus |
US6396794B1 (en) * | 1996-10-04 | 2002-05-28 | Sony Corporation | Disc recording and/or reproducing devices with disc exchanging function |
JPH11213425A (ja) * | 1998-01-22 | 1999-08-06 | Olympus Optical Co Ltd | 光ディスク装置 |
US6807138B1 (en) * | 2000-11-01 | 2004-10-19 | John M. Jamail | Light drive |
-
2001
- 2001-09-18 JP JP2001282760A patent/JP2003091983A/ja active Pending
-
2002
- 2002-09-03 EP EP02762985A patent/EP1429338A4/en not_active Withdrawn
- 2002-09-03 WO PCT/JP2002/008946 patent/WO2003025934A1/ja not_active Application Discontinuation
- 2002-09-03 US US10/415,020 patent/US20040008600A1/en not_active Abandoned
- 2002-09-11 TW TW091120789A patent/TWI222629B/zh not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1196743A (ja) * | 1997-09-25 | 1999-04-09 | Ricoh Co Ltd | 光ディスクドライブ装置の表示装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7349300B2 (en) | 2003-05-08 | 2008-03-25 | Teac Corporation | Optical disk apparatus having variable reproduction speed function |
Also Published As
Publication number | Publication date |
---|---|
JP2003091983A (ja) | 2003-03-28 |
US20040008600A1 (en) | 2004-01-15 |
EP1429338A1 (en) | 2004-06-16 |
TWI222629B (en) | 2004-10-21 |
EP1429338A4 (en) | 2006-04-12 |
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