CN101271701B - CD burner and burning method thereof - Google Patents
CD burner and burning method thereof Download PDFInfo
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- CN101271701B CN101271701B CN2007100871498A CN200710087149A CN101271701B CN 101271701 B CN101271701 B CN 101271701B CN 2007100871498 A CN2007100871498 A CN 2007100871498A CN 200710087149 A CN200710087149 A CN 200710087149A CN 101271701 B CN101271701 B CN 101271701B
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Abstract
The invention provides a recording method for a disc recorder. Firstly, the disc recorder receives a recording instruction. Subsequently, the disc recorder carries out the correction of laser focusing points by the extension pre-channel absolute time domain of the disc. Subsequently, the disc recorder writes the data into the disc. Therefore, the data quality of the disc which is recorded by the disc recorder can be improved.
Description
Technical field
The present invention relates to a kind of CD-ROM drive, and be particularly related to a kind of CD burning device and carving method thereof.
Background technology
There are at present two kinds common to be available for users to voluntarily that the CD of storage data is respectively cdrw (Compact Disc Rewritable is called for short CD-RW) and etch-recordable optical disk (CompactDisc Recordable is hereinafter to be referred as CD-R) on the market.CD-RW can be repeated to write different data, is different from the CD-R that can't repeat to write.In other words, in a single day data write after the zone of CD-R, and these regional data then can't be erased, and this zone also can't be used to carry out imprinting certainly again.
No matter be CD-R or CD-RW, CD burning device (Optical Disk Recorder) all must be best recording power mensuration (Optimal PowerCalibration with the formal imprinting of data to CD, hereinafter to be referred as OPC), to learn the best recording power of required use.Measure in order to allow the CD burning device carry out best recording power smoothly, so the specifications of CD-R have planned that capability correction zone (Power Calibration Area is called for short PCA) carries out best recording power for the CD burning device and measure.In addition, the specifications of CD-R have also been put down in writing, and CD-R is if there are enough white spaces to carry out under the situation of imprinting for the CD burning device, and same CD-R can allow user's imprinting 99 times.Therefore, has also planned in the capability correction zone of CD-R is enough to carry out the space that 100 suboptimum recording powers are measured for the user.
In the prior art, for laser can be focused on the best focus point, to obtain better imprinting quality, before the CD burning device carries out imprinting, except doing the optimal laser power correction, the CD burning device also can carry out the correction (Focus Balance Calibration) of laser focusing point usually.Yet, in the specifications of CD-R, but only cooked up the zone that optimal laser power is proofreaied and correct, the zone of not planning the laser focusing point calibration.
In order to solve the above problems, conventional practice has two kinds usually, and first kind promptly is the correction of not doing laser focusing point, but when might cause the CD burning device to carry out imprinting like this, its focus is not on best focal point.The practice like this, the optical disc data that regular meeting causes imprinting to be finished is difficult to be read by CD-ROM drive (Optical Disc Drive).Second kind then is to utilize the capability correction zone to carry out the correction of laser focusing point.Yet, originally specifications plan that the capability correction zone is enough to carry out for the CD burning device space of 100 suboptimum laser power corrections, understand because take the subregion in capability correction zone to do the correction of laser focusing point, and make the imprinting number of times of CD-R significantly reduce.Like this practice, but the number of times of CD-R imprinting not only reduced, do not meet the standard of the specifications of CD-R simultaneously yet.
Summary of the invention
The invention provides a kind of CD burning device, to promote the optical disc data quality of CD burning device institute imprinting.
The invention provides a kind of carving method of CD burning device, with the standard of the specifications that meet CD.
The invention provides a kind of carving method of CD burning device, to avoid reducing the imprinting number of times of CD.
The present invention proposes a kind of CD burning device and comprises optical read/write head, seeks rail motor and driving circuit.Optical read/write head is in order to write CD with data.Seek the rail motor and couple optical read/write head, it is in order to adjust the track that optical read/write head focused on.Driving circuit couples optical read/write head and seeks the rail motor.Driving circuit provides imprinting to instruct to optical read/write head, so that data are write CD.Driving circuit provides orbit determination to instruct to seeking the rail motor to carry out orbit determination.Wherein when the CD burning device carries out imprinting to CD, seek the pre-groove absolute time of extension (the Absolute Time InPre-groove that the rail motor is adjusted to the track that optical read/write head focused on CD, be called for short ATIP) zone (eXtended ATIP Area, be called for short XAA), to carry out the correction of laser focusing point.
In one embodiment of this invention, the rail motor of seeking of above-mentioned CD burning device moves to the track that optical read/write head focused in the capability correction zone of CD to carry out the optimal laser power correction.In another embodiment, this CD is an etch-recordable optical disk.
The present invention proposes a kind of carving method of CD burning device, in order to data are write CD.In a step, receive the imprinting instruction.In another step, carry out the correction of laser focusing point in the pre-groove absolute time of the extension of CD zone.In another step, data are write CD.
In one embodiment of this invention, the carving method of the above-mentioned CD burning device capability correction zone that more is included in CD is carried out optimal laser power and is proofreaied and correct.In another embodiment, this CD is an etch-recordable optical disk.
The present invention proposes a kind of carving method of CD burning device, utilizes the optical read/write head of CD burning device that data are write CD.In a step, receive the imprinting instruction.In another step, the track that optical read/write head focused on is moved to the pre-groove absolute time of the extension zone of CD to carry out the correction of laser focusing point.In another step, check and extend whether pre-groove absolute time zone is white space.In a step more, extend pre-groove absolute time zone for white space then utilizes and carry out the correction of laser focusing point if extend pre-groove absolute time zone.In another step, data are write CD.
In one embodiment of this invention, the carving method of above-mentioned CD burning device comprises that more if extend pre-groove absolute time zone be not that white space then writes CD with data.In another embodiment, the carving method of above-mentioned CD burning device comprises that more the track that optical read/write head is focused on moves to the capability correction zone of CD to carry out the optimal laser power correction.In another embodiment, CD is an etch-recordable optical disk.
Effect of the present invention:
The present invention carries out the correction of laser focusing point because of utilizing the pre-groove absolute time of extension zone.Therefore can promote the optical disc data quality of CD burning device institute imprinting.
For above-mentioned feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 is the structural drawing according to a kind of CD burning device of the first embodiment of the present invention.
Fig. 2 shows the process flow diagram according to the carving method of a kind of CD burning device of the first embodiment of the present invention.
Fig. 3 shows the process flow diagram according to the carving method of a kind of CD burning device of the second embodiment of the present invention.
Fig. 4 A shows the process flow diagram according to the carving method of a kind of CD burning device of the third embodiment of the present invention.
Fig. 4 B shows the process flow diagram according to the carving method of a kind of CD burning device of the fourth embodiment of the present invention.
Embodiment
Fig. 1 is the structural drawing according to a kind of CD burning device of the first embodiment of the present invention.Please refer to Fig. 1, CD burning device 10 comprises optical read/write head (Optical Pickup Head) 20, seeks rail motor (SledMotor) 30 and driving circuit 40.Optical read/write head 20 is to be used for data are write CD 50.In the present embodiment, CD 50 is that example describes with CD-R, and CD 50 also can be that the CD of other type for example is CD-RW in other embodiments.Seek rail motor 30 and couple optical read/write head 20, it is in order to adjust the track that optical read/write head 20 is focused on.Driving circuit 40 couples optical read/write head 20 and seeks rail motor 30.Driving circuit 40 can provide imprinting to instruct to optical read/write head 20, data are write CD 50.In addition, driving circuit 40 can also provide orbit determination to instruct to seeking rail motor 30 to carry out orbit determination.
Fig. 2 is the process flow diagram according to the carving method of a kind of CD burning device of the first embodiment of the present invention.Please merge with reference to Fig. 1 and Fig. 2, at first by step S201, optical read/write head 20 receives the imprinting instruction that driving circuit 40 is provided.When 10 pairs of CDs of CD burning device 50 carry out imprinting, seek the pre-groove absolute time of extension (the Absolute Time In Pre-groove that track that rail motor 30 focused on optical read/write head 20 is adjusted to CD 50, be called for short ATIP) zone (eXtended ATIP Area, hereinafter to be referred as XAA), to carry out the correction of laser focusing point, wherein the position of XAA is positioned at the inner ring near CD 50.Follow step S202, optical read/write head 20 carries out the correction of laser focusing point at the XAA of CD 50.Step S203, optical read/write head 20 with data carving to CD 50.
As above above-mentioned, owing in the present CD-R specifications planning XAA is arranged, but do not stipulate the purposes of XAA, therefore in the foregoing description, CD burning device 10 utilizes the XAA of CD 50 to do the correction of laser focusing point, not only can not violate the definition of the specifications of CD-R, also can not reduce the imprinting number of times of CD-R simultaneously.In addition, because CD burning device 10 had been done the correction of laser focusing point before carrying out imprinting, therefore the quality of data of the CD 50 of 10 imprintings of CD burning device also can promote significantly, uses the situation that the CD 50 that reduces institute's imprinting can't be read (or claiming identification) by CD-ROM drive.
Also visual its demand of the technician of the technical field of the invention, and the teaching of foundation spirit of the present invention and aforementioned all embodiment changes the carving method of CD burning device.For example, Fig. 3 is the process flow diagram according to the carving method of a kind of CD burning device of the second embodiment of the present invention.Please merge with reference to Fig. 1 and Fig. 3, at first by step S301, optical read/write head 20 receives the imprinting instruction that driving circuit 40 is provided.Step S302 seeks the track that rail motor 30 focused on optical read/write head 20 and is adjusted to the XAA of CD 50 to carry out the correction of laser focusing point.
Then by step S303, optical read/write head 20 checks whether the XAA of CD 50 is white space, can't carry out the correction of laser focusing point smoothly to avoid XAA to be used.If XAA is then subsequent steps S304 of white space, 20 of optical read/write heads utilize the XAA of CD 50 to carry out the correction of laser focusing point, follow then subsequent steps S305.What deserves to be mentioned is that in the present embodiment, step S303 then jumps directly to step S305 if check out that XAA is not a white space, in another embodiment, the technician of the technical field of the invention also can replace with other step according to its demand.Follow execution in step S305 again, utilize optical read/write head 20 that data are write in the CD 50.Thus, not only can not violate the definition of the specifications of CD-R, also can not reduce the imprinting number of times of CD-R simultaneously, and also can promote the imprinting quality of CD burning device 10.
Also visual its demand of the technician of the technical field of the invention, and the teaching of foundation spirit of the present invention and aforementioned all embodiment changes the carving method of CD burning device.For example, Fig. 4 A is the process flow diagram according to the carving method of a kind of CD burning device of the third embodiment of the present invention.Please merge with reference to Fig. 1 and Fig. 4 A, in the present embodiment, step S301～S305 can be with reference to the embodiment of Fig. 3.It should be noted that present embodiment has added step S401 between step S304 and S305.That is to say, optical read/write head 20 finishes after the correction of laser focusing point, can be by step S401, the track that optical read/write head 20 is focused on moves to the capability correction zone (Power Calibration Area is called for short PCA) of CD to carry out the optimal laser power correction.In addition, in the present embodiment,, also can jump directly to step S401 and proofread and correct to carry out optimal laser power if find that at step S303 XAA is not a white space.Thus, not only effect same as the previously described embodiments can be reached, the imprinting quality of CD burning device 10 can be further promoted.
Also visual its demand of the technician of the technical field of the invention, and change the order that optical read/write head 20 carries out " optimal laser power " and " correction of laser focusing point " according to the teaching of spirit of the present invention and aforementioned all embodiment.For example, Fig. 4 B is the process flow diagram according to the carving method of a kind of CD burning device of the fourth embodiment of the present invention.Please merge with reference to Fig. 1 and Fig. 4 B, in the present embodiment, step S301～S305, S401 can not repeat them here with reference to the embodiment of Fig. 4 A.It should be noted that present embodiment is disposed at step S401 between step S301 and the S302.In addition, in the present embodiment,, can jump directly to step S305, utilize optical read/write head 20 that data are write in the CD 50 if find that at step S303 XAA is not a white space.Thus, also can reach effect same as the previously described embodiments.
In sum, embodiments of the invention have following advantage at least:
1. optical read/write head utilizes the XAA of CD to carry out the correction of laser focusing point, not only can not violate the definition of the specifications of CD-R, also can not reduce the imprinting number of times of CD-R simultaneously, and can promote the optical disc data quality of institute's imprinting.
2. optical read/write head checked earlier before the correction of laser focusing point whether the XAA of CD is white space, can avoid XAA to cause the situation of the correction failure of laser focusing point because of being used.
Optical read/write head before the imprinting except the correction of carrying out laser focusing point, also can carry out optimal laser power at the PCA of CD and proofread and correct, use the imprinting quality that further promotes the CD burning device.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; the technician of any the technical field of the invention; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (10)
1. a CD burning device is characterized in that, this CD burning device comprises:
One optical read/write head is in order to write data one CD;
One seeks the rail motor, couples above-mentioned optical read/write head, in order to adjust the track that above-mentioned optical read/write head focuses on; And
One drive circuit, couple above-mentioned optical read/write head and the above-mentioned rail motor of seeking, above-mentioned driving circuit provides an imprinting to instruct to above-mentioned optical read/write head, and data are write above-mentioned CD, above-mentioned driving circuit provides an orbit determination to instruct to the above-mentioned rail motor of seeking to carry out orbit determination;
Wherein, when above-mentioned CD burning device carried out imprinting to above-mentioned CD, the above-mentioned rail motor of seeking was adjusted to one of above-mentioned CD with the track that above-mentioned optical read/write head focused on and extends pre-groove absolute time zone, to carry out the correction of laser focusing point.
2. CD burning device according to claim 1 is characterized in that, the above-mentioned rail motor of seeking moves to the track that above-mentioned optical read/write head focused in one capability correction zone of above-mentioned CD to carry out the optimal laser power correction.
3. CD burning device according to claim 1 is characterized in that, above-mentioned CD is an etch-recordable optical disk.
4. the carving method of a CD burning device, is characterized in that this carving method comprises in order to data are write a CD:
Receive imprinting instruction;
The track that one optical read/write head is focused on moves to the pre-groove absolute time of the extension zone of above-mentioned CD to carry out the correction of laser focusing point; And
Data are write above-mentioned CD.
5. carving method according to claim 4 is characterized in that, more comprises:
Carry out optimal laser power proofreaies and correct in a capability correction zone of above-mentioned CD.
6. carving method according to claim 4 is characterized in that, above-mentioned CD is an etch-recordable optical disk.
7. the carving method of a CD burning device utilizes an optical read/write head of CD burning device that data are write a CD, it is characterized in that this carving method comprises:
Receive imprinting instruction;
The track that above-mentioned optical read/write head focused on is moved to one of above-mentioned CD extend pre-groove absolute time zone to carry out the correction of laser focusing point;
Check whether the pre-groove absolute time of above-mentioned extension zone is white space;
If the pre-groove absolute time of above-mentioned extension zone then utilizes the pre-groove absolute time of above-mentioned extension zone to carry out the correction of laser focusing point for white space; And
Data are write above-mentioned CD.
8. carving method according to claim 7 is characterized in that also comprising:
If the pre-groove absolute time of above-mentioned extension zone is not that white space then writes data above-mentioned CD.
9. carving method according to claim 7, its feature also comprises:
Proofread and correct to carry out optimal laser power in the capability correction zone that the track that above-mentioned optical read/write head focused on is moved to above-mentioned CD.
10. carving method according to claim 7 is characterized in that, above-mentioned CD is an etch-recordable optical disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100871498A CN101271701B (en) | 2007-03-22 | 2007-03-22 | CD burner and burning method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100871498A CN101271701B (en) | 2007-03-22 | 2007-03-22 | CD burner and burning method thereof |
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| Publication Number | Publication Date |
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| CN101271701A CN101271701A (en) | 2008-09-24 |
| CN101271701B true CN101271701B (en) | 2011-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100871498A Active CN101271701B (en) | 2007-03-22 | 2007-03-22 | CD burner and burning method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102214467A (en) * | 2010-04-12 | 2011-10-12 | 广明光电股份有限公司 | Writing method for optical disk machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1335990A (en) * | 1999-10-13 | 2002-02-13 | 皇家菲利浦电子有限公司 | Method of hiding area on a disc like recording of the optically rewritable type |
| KR20020072679A (en) * | 2001-03-12 | 2002-09-18 | 엘지전자 주식회사 | Writing method for high density data writing on optical recordable media |
| CN1674111A (en) * | 2004-03-25 | 2005-09-28 | 三洋电机株式会社 | Optical disc device |
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- 2007-03-22 CN CN2007100871498A patent/CN101271701B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1335990A (en) * | 1999-10-13 | 2002-02-13 | 皇家菲利浦电子有限公司 | Method of hiding area on a disc like recording of the optically rewritable type |
| KR20020072679A (en) * | 2001-03-12 | 2002-09-18 | 엘지전자 주식회사 | Writing method for high density data writing on optical recordable media |
| CN1674111A (en) * | 2004-03-25 | 2005-09-28 | 三洋电机株式会社 | Optical disc device |
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| CN101271701A (en) | 2008-09-24 |
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