CN100520941C - Method and device for recording management data and reproducing data on recording media - Google Patents
Method and device for recording management data and reproducing data on recording media Download PDFInfo
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- CN100520941C CN100520941C CNB2004800126108A CN200480012610A CN100520941C CN 100520941 C CN100520941 C CN 100520941C CN B2004800126108 A CNB2004800126108 A CN B2004800126108A CN 200480012610 A CN200480012610 A CN 200480012610A CN 100520941 C CN100520941 C CN 100520941C
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Abstract
The data structure on the recording medium includes a temporary defect management area storing a data block. The data block includes sequential recording information and a temporary definition structure. The sequential recording information provides information on continuous recording areas in the data area of the recording medium. The temporary definition structure includes at least one pointer to information in the temporary defect management area.
Description
Technical field
The present invention relates to a kind of record management data on the recording medium and from the recording medium method of reproducing data and equipment.
Background technology
Can write down the new high-density read-only of mass data and the standardization of CD-RW and carry out fast, and the new product expection about CD will can obtain commercialization in the near future.For example, the Blu-ray Disc (BD) that belongs to HD-DVD technology of future generation is the optical recording solution of future generation that can significantly surmount the data recording capability of existing DVD.
Cease raining or snowing cyan (celadon) laser that use has the 405nm wavelength writes down on BD and reads from BD, and this cease raining or snowing celadon laser is closeer than the red laser with 650nm wavelength, is used for existing DVD.Therefore, compare existing DVD and can on BD, store more substantial data.
Though developed at least one standard about BD (Blu-ray Disc), such as BD-RE (BD CD-RW), still under development such as a lot of other standards of BD-WO (BD Write once optical disc).Standard such as BD-RE provides the data structure that is used at the data field of recording medium managing defect.But BD-WO presents existing BD standard because its disposable write diagnostics, the challenge of not facing such as BD-RE, and for the method for BD-WO standard valid data structure and managing defect still among exploitation.
Summary of the invention
Recording medium according to the present invention comprises and is used for the data structure of the data field of managing recording medium at least.
According to an aspect of the present invention, provide a kind of on recording medium the method for record management data, it comprises: record first data block in temporary defect management area, this first data block comprises journal information and interim definition structure, this journal information provides the information about continuous recording district in the data field of recording medium, this interim definition structure is included in the information in the last temporary defect list in the temporary defect management area, the defective in the described temporary defect list designation data district
According to a further aspect in the invention, a kind of method from the recording medium reproducing data is provided, it comprises: based on first data block that writes down in the temporary defect management area of recording medium, be reproduced at least a portion of the data that write down on the recording medium, this first data block comprises journal information and interim definition structure, this journal information provides the information about continuous recording district in the data field of recording medium, this interim definition structure is included in the positional information of the last temporary defect list in the temporary defect management area, the defective in the described temporary defect list designation data district.
According to a further aspect in the invention, provide a kind of equipment that is used for record management data on recording medium, it comprises: pick-up is arranged at the recording medium identifying recording layer; And controller, be arranged to the described pick-up of control with record first data block in temporary defect management area, this first data block comprises journal information and interim definition structure, this journal information provides the information about continuous recording district in the data field of recording medium, this interim definition structure is included in the positional information of the last temporary defect list in the temporary defect management area, the defective in the described temporary defect list designation data district.
According to a further aspect in the invention, provide a kind of equipment that is used for reproducing from recording medium data, comprising: pick-up is arranged to from recording medium and reproduces data; And controller, be arranged to the described pick-up of control and be reproduced in first data block that writes down in first temporary defect management area, described first data block comprises journal information and interim definition structure, described journal information provides the information about the continuous recording district in the data field of recording medium, described interim definition structure comprises the positional information of the last temporary defect list in the temporary defect management area, the defective in this temporary defect list designation data zone.
In one embodiment, journal information comprises header, is used for the data entries and the full stop in each continuous recording district.Header is a journal information with described journal message identification.Each data entries provides the information about the continuous recording district that is associated, and the ending of full stop indication journal information.
In one embodiment, header information is indicated a plurality of continuous recordings district and for the open a plurality of continuous recordings district of record.In example embodiment, the state in the continuous recording district that each data entries indication is associated, the physical sector number in the continuous recording district that indication is associated, and the last recording address of indicating the continuous recording district that is associated.
Description of drawings
Can be expressly understood above-mentioned feature of the present invention and other advantage more by detailed description of the present invention below in conjunction with accompanying drawing, in the accompanying drawings:
Fig. 1 has illustrated according to the present invention different types of primary track of the Write once optical disc of example embodiment;
Fig. 2 A and 2B have illustrated the data structure according to the Write once optical disc of the embodiment of the invention, and more specifically, interim disc management information;
Fig. 3 has illustrated the comparison of the disc management information and the disc management information of the present invention of existing CD-RW;
Figure 4 and 5 have illustrated two example embodiment according to the method for renewal orbit information of the present invention;
Fig. 6 has illustrated the embodiment according to record of the present invention and reproducer.
Embodiment
For complete understanding the present invention, its exemplary embodiment will be described with reference to the drawings.For convenience, disposable Blu-ray Disc will be as the example of the one-time write recording medium in the exemplary embodiment.
The track of recording medium and the kind of data structure
With reference to figure 1,2A-2B and 3 is with kind and the physical arrangement of description according to the track of the CD of the embodiment of the invention.The continuous recording district of wherein journal data will be called as track in the disclosure.Fig. 1 has illustrated according to the present invention different types of primary track of the Write once optical disc of example embodiment.Say that more specifically Fig. 1 has illustrated that supposition use Write once optical disc a period of time has a plurality of continuous recordings district or the track of different conditions.As shown in Figure 1, track 1 and 2 is corresponding to open tracks, and when it stored data in its first area, each all had the back region that can carry out addition record on it. Track 3 and 4 is corresponding to finishing or close closed orbit, and it is (track 4) that is full of fully or (track 3) of closing for further record.Shown in track 3, to close when track and to make when not allowing in track, further to write down with unwritten zone, unwritten zone is with zero padding (shown in the dash area of Fig. 1), and changes into and finish track.Track 3 is different from track 4 in this.
Track 5 provides the example of rear track, and it comprises the zone that can carry out addition record on it.This track is called as intermediate orbit.Therefore, exist three kinds of track-opening, close and the centre.
Each track has the track (LRA) of last record, and ignores the track kind.LRA is the FA final address of record real data in track.Therefore, about track 3, the position before track 3 (or address) is the LRA (LRA3) of track 3 with zero padding.More specifically say, suppose that the unit that is used at the CD identifying recording layer is bunch, and in one bunch, have 32 sectors (sector).If have the data of record therein less than 32 sectors, remain the sector so with zero padding.Last sevtor address before filling is LRA.Open and intermediate orbit for each, but determine that designation data writes the next one write address (NWA) of next address wherein, but closing closed orbit is not like this.Obtain NWA as the next sevtor address after the LRA from LRA.
Fig. 2 A and 2B have illustrated the data structure according to the Write once optical disc of the embodiment of the invention, and more specifically, interim disc management information.The structure of the Write once optical disc shown in Fig. 2 A is described in detail in korean patent application No.2004-15634.
As shown in the figure, the Write once optical disc in this example is a single-layer optical disc, and it has a recording layer.This CD comprises the spare area (ISA0/ISA1) that is used for record data, because the defective in the main data area (for example, physical imperfection) can not write down these data in the main data area.The information that is used to manage with the defect part in the part replacement data district of spare area is recorded in temporary defect management area (TDMA).
Usually, relative with one-time write, CD-RW has limited defect management (DMA), and this is because of can repeatedly data being write DMA and wiping from it.Write once optical disc needs a large amount of defect managements with managing defect, and this is because only can the one-time write data and can not wipe.Therefore, TDMA is used for during using CD, recording defect management information when this information changes.In case finish CD, the final version of defect management information copied to DMA from the TDMA on the Write once optical disc.
With reference to figure 2A, TDMA comprises TDMA1 that distributes to the introducing district with fixed size and the TDMA2 that distributes to spare area OSA0.TDMA2 has the size that the size with the spare area is associated.For example, the size of spare area is N * 256 bunch, and wherein TDMA2 forms P bunch.The number of bunch P can be determined according to expression formula P=(N*256)/4.In each TDMA, write down temporary defect management information, interim disc definition structure (TDDS) and CD user mode information with temporary defect list (TDFL) form.
As mentioned above, when in the data field, having defect area, replace defective district, spare area (ISA0/OSA0).TDFL provides information to manage this process with tabular form.For example, the spare area of tabulation indication defect area and replacement defect area.According to one embodiment of present invention, according to the quantity of information in TDFL, from 1 to 4 bunch of variation of the size of TDFL.By contrast, according to an example of the present invention embodiment, the amount of space that gives TDDS is maintained fixed in cluster.According to this embodiment, this data block comprises TDDS and CD user mode information, and this will describe in detail with reference to figure 3 and 2B below.
At first with reference to figure 3, the disc management information of existing CD-RW will be compared with the content that comprises in TDDS of the present invention.
In the situation of CD-RW, DDS consumes very little a part of CD, about 60 bytes of cluster (cluster has 32 sectors).The remaining area of this bunch is provided with by " zero padding ".But according to this embodiment of the invention, remaining area and the zone (60 bytes) that is used in the existing CD-RW are used as disc management information.Therefore, in TDDS of the present invention, journal is for Write once optical disc information specific and the DDS that is used in the existing CD-RW in a sector (2048 bytes).For example, for the Write once optical disc information specific can be the positional information of last TDFL.
Shown in Fig. 2 A and 3, journal according to an embodiment of the invention, or more specifically orbit information is recorded in 31 sectors of residue of the cluster that comprises TDDS.As what select, dispose orbit information in 31 sectors before TDDS, and, dispose TDDS in the 32nd sector last.
Therefore, the TDDS that uses in this is open should construct as mentioned above widely, and not as the project according to a specific criteria definition.
The data structure of the orbit information on the recording medium
At first, the present invention does not limit the number of open tracks.Therefore, there are a plurality of open tracks and finish track.The invention provides the data structure that on recording medium, is used for managing this effect with effective means.To describe the embodiment of this track information data structure with reference to figure 2B in detail.
As shown in the figure, journal, or more specifically, orbit information comprises three parts: be used for the header that the designation data structure provides orbit information; The track information list of orbit information and the full stop of ending of indication orbit information are provided.
Header is positioned at the front portion of orbit information, and comprises that the information of indication after identifier is orbit information " orbit information structural identifier ".The form of next designator " track information format " indication orbit information.It after this " level number (0 or 1) " field of recording layer of expression orbit information correspondence.Thus much example is for the Write once optical disc of a side, single recording layer, and CD can have a plurality of recording layers and/or be bilateral.
Header further comprises " track sum " field of the number of tracks in the data field of recording layer of expression orbit information correspondence and is illustrated in " open tracks sum " field of the number of open tracks in this data field.Before reading track information list, can confirm total orbit information.
Track record information list after header, and will be described in greater detail below.The track information list full stop is represented the ending of orbit information.Therefore, orbit information comprises header, track information list and the full stop of record continuously.
To the example embodiment of track information list be described in further detail.Track information list is included in clauses and subclauses of each track in the corresponding data district of CD.Each clauses and subclauses can be distributed to, for example, and 8 bytes.This track information entry comprises the address information of the last record of first address of track status information, respective rail and track.
Kind-opening of track status information indication track, close or the centre, and can represent, shown in Fig. 3 B by 4 bits.In this embodiment of the present invention, the open tracks that wherein can carry out addition record is designated as track status information by " 0000b ", and does not wherein allow the track of finishing of addition record to be designated as track status information by " 1000b ".Track status information is represented as above-mentioned specific bit, with the track information list entries that helps classification as will describe below in the disclosure.
In the example of Fig. 2 B, first address information of clauses and subclauses is " the beginning physical sector number (PSN) of track " fields.This field provides the sevtor address of first sector that forms track.The address information of last record is the LRA of track in the example of Fig. 3 B.Therefore, if read clauses and subclauses, can determine the kind of track, the LRA of starting position and track.
Track status information in each clauses and subclauses also comprises session initial state (for example, one of bit in the track status information in each clauses and subclauses can begin bit as session).Whether session status indication track is first track in the session.Here, the track gathering is called as session in groups.
The orbit information update method
When upgrade orbit information and be the design parameter of setting up according to system or system design.But, will be discussed in more detail below the example that triggers the incident of upgrading.
When producing new track or closing closed orbit,, can upgrade orbit information because newly produce orbit information.When ejecting CD from driver or being cut to the power supply of driver, stop using CD at least temporarily.In these times, upgrade orbit information.
Figure 4 and 5 have illustrated two example embodiment according to the method for renewal orbit information of the present invention.As shown in Figure 4, formerly the orbit information in the step and the orbit information that will upgrade now are separated and record separately.In this embodiment, the orbit information of precedence record is included in the current record, feasible track record information cumulatively.
More specifically, for being recorded in the orbit information that time n+1 upgrades, journal is at the orbit information of time n record with at the orbit information of time n+1.In other words, being included in the orbit information in the existing track record step, is to write down separately with current orbit information still.Similarly,, be included in the orbit information of time n and n+1 record when when time n+2 upgrades orbit information, but independent record.
The advantage of this embodiment is in the content of the orbit information in each stage that CD uses by with the consecutive order record.Be easy to confirm the user mode of CD.If only write down last orbit information, visit previous orbit information and need visit this information for more time more being difficult to.
Fig. 5 has illustrated another embodiment according to the method for renewal orbit information of the present invention.Comprise and write down the orbit information and the present orbit information that upgrades of precedence record cumulatively.But, before record, with particular order classification and track record information list.
More specifically say,, be considered a track information list and classification at the orbit information of time n record with at the orbit information that time n+1 upgrades for being recorded in the orbit information that time n+1 upgrades.Afterwards with the version of the classification of particular order track record information.
For example, can pass through track condition (track kind just) classification track information list clauses and subclauses.About the form of the described track status information of Fig. 2 as an example, at first be to have " 0000b " clauses and subclauses above using as the open tracks of track status information.Afterwards, record has " 1000b " clauses and subclauses of finishing track as track status information, and last, and record has " 0001b " clauses and subclauses as the intermediate orbit of track status information.For clauses and subclauses,, make that at first record has the clauses and subclauses of less address by the first address information class entry with same track status information.Other method also is possible.For example, at first,, make that at first record has the clauses and subclauses of less address by the first address information classification track information list clauses and subclauses.Should be appreciated that, only be the example of contingent classification here, and system designer can adopt other basis of classification in the spirit and scope of the present invention.The advantage of this embodiment of the present invention is to classify about the information of CD middle orbit according to their kind, the feasible information that easily obtains about track kind (for example, open tracks).And, because in renewal the orbit information of each track of record, can be easily and the orbit information in visit data district apace.
Above-mentioned two embodiment are complimentary to one another.System or user can select and use the method for the environment that is suitable for them.
Fig. 6 has illustrated the synoptic diagram according to the embodiment of video disc recording of the present invention and reproducer.As shown in the figure, scrambler 9 receives and coded data (for example, Still image data, voice data, video data etc.).Scrambler 9 and coded message and stream attribute information be the data of output encoder together.Multiplexer 8 is based on coded message and the multiplexed coded data of stream attribute information, to create, for example, mpeg 2 transport stream.Source packetizer 7 will turn to the source grouping from the transmission grouping grouping of multiplexer 8 according to the audio/video format of CD.As shown in Figure 6, the work of scrambler 9, multiplexer 8 and source packetizer 7 is by controller 10 controls.Controller 10 receives the user's input about recording operation, and provides control information to scrambler 9, multiplexer 8 and source packetizer 7.For example, the type of the coding that controller 10 indication scramblers 9 are carried out, indication multiplexer 8 is created transport stream, and indication source packetizer 7 source packet formats.Controller 10 further Control Driver 3 are to write down the output from source packetizer 7 on CD.
Reproduce or other recording operation during, controller 10 can Control Driver 3 to reproduce this data structure.Based on the information that is included in wherein, and (for example through user interface, control knob on record and reproducer or and device-dependent remote control) user that receives imports, controller 10 Control Driver 3 with from optical disc replay data and/or record data to CD, this will be discussed in more detail below.
Though describe Fig. 6 as record and reproducer, should be appreciated that and to use those parts that record or representational role are provided of Fig. 6 that record or reproducer only are provided.
Industrial applicability
Write once optical disc management data structures and record and reproduce this data structure and upgrade method of managing data information about the use of recording medium is provided are with (for example track) sequential storage data in the continuous recording district.The situation that this data structure and these methods are not limit for the number that wherein can carry out the open tracks of addition record also is applicable.
According to the embodiment of the invention be used for manage the data structure of data field of high-density recording media at least and method makes it possible to effectively and stepping ground use one-time write recording medium, such as BD-WO.From above-mentioned explanation as can be seen, the present invention also is provided for writing down on high-density recording media and is used for the equipment of the data structure of the data field of managing recording medium at least.
Though disclose the present invention about a limited number of embodiment, can make multiple modifications and changes from those skilled in the art will also recognize that of disclosure benefit.For example, when being described about the blue light Write once optical disc in some cases, the invention is not restricted to the CD of this standard.Fall among the spirit and scope of the present invention but be intended to all this modifications and changes.
Claims (32)
1. the method for a record management data on recording medium, it comprises:
Record first data block in temporary defect management area, this first data block comprises journal information and interim definition structure, this journal information provides the information about continuous recording district in the data field of recording medium, this interim definition structure is included in the information in the last temporary defect list in the temporary defect management area, the defective in the described temporary defect list designation data district.
2. the method for claim 1, wherein said first data block has the size of cluster at least, and a sector of described first data block is given interim definition structure, and maximum 31 sectors of this first data block are given journal information.
3. the method for claim 1, wherein said journal information comprises header, is used for the data entries and the full stop in each continuous recording district, described header is a journal information with described journal message identification, each data entries provides the information about the continuous recording district that is associated, and described full stop is indicated the ending of described journal information.
4. method as claimed in claim 3, wherein said header information indication is for the number in the open continuous recording district of record.
5. method as claimed in claim 3, wherein, whether the continuous recording district that the indication of each data entries is associated is the first continuous recording district in one group of continuous recording district.
6. method as claimed in claim 3, wherein, the beginning physical sector number in the continuous recording district that each data entries indication is associated and the last recording address in the continuous recording district that indication is associated.
7. method as claimed in claim 3, wherein, whether the continuous recording district that described state indication is associated is the beginning in one group of continuous recording district.
8. the method for claim 1, wherein described temporary defect management area comprises:
Second data block is compared first data block, and this second data block comprises the journal information of record after a while, and the journal information that this writes down after a while comprises the journal information of first data block and new journal information,
Each of journal information that wherein should be in first and second data blocks all comprises header, is used for the data entries and the full stop in each continuous recording district, described header is a journal information with described journal message identification, each described data entries provides the information about the continuous recording district that is associated, and the ending of described full stop indication journal information; With
Described data entries in the journal information in first and second data blocks is categorized in the described journal information according to clauses and subclauses.
9. method from the recording medium reproducing data, it comprises:
Based on first data block that in the temporary defect management area of recording medium, writes down, be reproduced at least a portion of the data that write down on the recording medium, this first data block comprises journal information and interim definition structure, this journal information provides the information about continuous recording district in the data field of recording medium, this interim definition structure is included in the positional information of the last temporary defect list in the temporary defect management area, the defective in the described temporary defect list designation data district.
10. method as claimed in claim 9, wherein said first data block has the size of cluster at least, and a sector of described first data block is given interim definition structure, and maximum 31 sectors of this first data block are given journal information.
11. method as claimed in claim 9, wherein said journal information comprises header, is used for the data entries and the full stop in each continuous recording district, described header is a journal information with described journal message identification, each data entries provides the information about the continuous recording district that is associated, and described full stop is indicated the ending of described journal information.
12. method as claimed in claim 11, wherein said header information indication is for the number in the open continuous recording district of record.
13. method as claimed in claim 11, wherein, whether the continuous recording district that the indication of each data entries is associated is the first continuous recording district in the group in continuous recording district.
14. method as claimed in claim 11, wherein, the beginning physical sector number in the continuous recording district that each data entries indication is associated and the last recording address in the continuous recording district that indication is associated.
15. method as claimed in claim 11, wherein, whether the continuous recording district that the indication of each data entries is associated is the first continuous recording district in one group of continuous recording district.
16. method as claimed in claim 9, wherein, described temporary defect management area comprises:
Second data block is compared first data block, and this second data block comprises the journal information of record after a while, and the journal information that this writes down after a while comprises the journal information of first data block and new journal information,
Each of journal information that wherein should be in first and second data blocks all comprises header, is used for the data entries and the full stop in each continuous recording district, described header is a journal information with described journal message identification, each described data entries provides the information about the continuous recording district that is associated, and the ending of described full stop indication journal information; With
Described data entries in the journal information in first and second data blocks is categorized in the described journal information according to clauses and subclauses.
17. an equipment that is used for record management data on recording medium, it comprises:
Pick-up is arranged at the recording medium identifying recording layer; With
Controller, be arranged to the described pick-up of control with record first data block in temporary defect management area, this first data block comprises journal information and interim definition structure, this journal information provides the information about continuous recording district in the data field of recording medium, this interim definition structure is included in the positional information of the last temporary defect list in the temporary defect management area, the defective in the described temporary defect list designation data district.
18. equipment as claimed in claim 17, wherein said first data block has the size of cluster at least, and a sector of described first data block is given interim definition structure, and maximum 31 sectors of this first data block are given journal information.
19. equipment as claimed in claim 17, wherein said journal information comprises header, is used for the data entries and the full stop in each continuous recording district, described header is a journal information with described journal message identification, each data entries provides the information about the continuous recording district that is associated, and described full stop is indicated the ending of described journal information.
20. equipment as claimed in claim 19, wherein said header information indication is for the number in the open continuous recording district of record.
21. equipment as claimed in claim 19, wherein, whether the continuous recording district that the indication of each data entries is associated is the first continuous recording district in one group of continuous recording district.
22. equipment as claimed in claim 19, wherein, the beginning physical sector number in the continuous recording district that each data entries indication is associated and the last recording address in the continuous recording district that indication is associated.
23. equipment as claimed in claim 19, wherein, whether the continuous recording district that described state indication is associated is the beginning in one group of continuous recording district.
24. equipment as claimed in claim 17, wherein, described temporary defect management area comprises:
Second data block is compared first data block, and this second data block comprises the journal information of record after a while, and the journal information that this writes down after a while comprises the journal information of first data block and new journal information,
Each of journal information that wherein should be in first and second data blocks all comprises header, is used for the data entries and the full stop in each continuous recording district, described header is a journal information with described journal message identification, each described data entries provides the information about the continuous recording district that is associated, and the ending of described full stop indication journal information; With
Described data entries in the journal information in first and second data blocks is categorized in the described journal information according to clauses and subclauses.
25. an equipment that is used for reproducing from recording medium data comprises:
Pick-up is arranged to from recording medium and reproduces data; And
Controller, be arranged to the described pick-up of control and be reproduced in first data block that writes down in first temporary defect management area, described first data block comprises journal information and interim definition structure, described journal information provides the information about the continuous recording district in the data field of recording medium, described interim definition structure comprises the positional information of the last temporary defect list in the temporary defect management area, the defective in this temporary defect list designation data zone.
26. equipment as claimed in claim 25, wherein said first data block has the size of cluster at least, and a sector of described first data block is given interim definition structure, and maximum 31 sectors of this first data block are given journal information.
27. equipment as claimed in claim 25, wherein said journal information comprises header, is used for the data entries and the full stop in each continuous recording district, described header is a journal information with described journal message identification, each data entries provides the information about the continuous recording district that is associated, and described full stop is indicated the ending of described journal information.
28. equipment as claimed in claim 27, wherein said header information indication is for the number in the open continuous recording district of record.
29. equipment as claimed in claim 27, wherein, whether the continuous recording district that the indication of each data entries is associated is the first continuous recording district in one group of continuous recording district.
30. equipment as claimed in claim 27, wherein, the beginning physical sector number in the continuous recording district that each data entries indication is associated and the last recording address in the continuous recording district that indication is associated.
31. equipment as claimed in claim 27, wherein, whether the continuous recording district that described state indication is associated is the beginning in one group of continuous recording district.
32. equipment as claimed in claim 25, wherein, described temporary defect management area comprises:
Second data block is compared first data block, and this second data block comprises the journal information of record after a while, and the journal information that this writes down after a while comprises the journal information of first data block and new journal information,
Each of journal information that wherein should be in first and second data blocks all comprises header, is used for the data entries and the full stop in each continuous recording district, described header is a journal information with described journal message identification, each described data entries provides the information about the continuous recording district that is associated, and the ending of described full stop indication journal information; With
Described data entries in the journal information in first and second data blocks is categorized in the described journal information according to clauses and subclauses.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US46900603P | 2003-05-09 | 2003-05-09 | |
| US60/469,006 | 2003-05-09 | ||
| KR1020030031958 | 2003-05-20 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101406454A Division CN101587725A (en) | 2003-05-09 | 2004-05-07 | A method for recording management data and reproducing data on a recording media |
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| Publication Number | Publication Date |
|---|---|
| CN1784739A CN1784739A (en) | 2006-06-07 |
| CN100520941C true CN100520941C (en) | 2009-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007101497191A Pending CN101231867A (en) | 2003-05-09 | 2004-05-07 | Data structure for managing recording medium and methods and apparatuses |
| CNA2009101406454A Pending CN101587725A (en) | 2003-05-09 | 2004-05-07 | A method for recording management data and reproducing data on a recording media |
| CN 200480012611 Pending CN1784740A (en) | 2003-05-09 | 2004-05-07 | Recording medium having data structure for managing at least a data area of the recording medium and recording and reproducing methods and apparatuses. |
| CNB2004800126108A Expired - Fee Related CN100520941C (en) | 2003-05-09 | 2004-05-07 | Method and device for recording management data and reproducing data on recording media |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007101497191A Pending CN101231867A (en) | 2003-05-09 | 2004-05-07 | Data structure for managing recording medium and methods and apparatuses |
| CNA2009101406454A Pending CN101587725A (en) | 2003-05-09 | 2004-05-07 | A method for recording management data and reproducing data on a recording media |
| CN 200480012611 Pending CN1784740A (en) | 2003-05-09 | 2004-05-07 | Recording medium having data structure for managing at least a data area of the recording medium and recording and reproducing methods and apparatuses. |
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| MX2010011840A (en) * | 2009-01-06 | 2010-11-30 | Panasonic Corp | Write-once information recording medium, information recording apparatus, information recording method, information reproducing apparatus, and information reproducing method. |
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2004
- 2004-05-07 CN CNA2007101497191A patent/CN101231867A/en active Pending
- 2004-05-07 CN CNA2009101406454A patent/CN101587725A/en active Pending
- 2004-05-07 CN CN 200480012611 patent/CN1784740A/en active Pending
- 2004-05-07 CN CNB2004800126108A patent/CN100520941C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101587725A (en) | 2009-11-25 |
| CN1784739A (en) | 2006-06-07 |
| CN1784740A (en) | 2006-06-07 |
| CN101231867A (en) | 2008-07-30 |
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