CN102332271A - Optical recording method and system - Google Patents
Optical recording method and system Download PDFInfo
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- CN102332271A CN102332271A CN2011101193915A CN201110119391A CN102332271A CN 102332271 A CN102332271 A CN 102332271A CN 2011101193915 A CN2011101193915 A CN 2011101193915A CN 201110119391 A CN201110119391 A CN 201110119391A CN 102332271 A CN102332271 A CN 102332271A
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Abstract
The invention discloses an optical recording method and a system. The system comprises: a pick-up head module (PUH module) for controlling a pick-up head to record a first number of data units to the optical recordable medium; a verifier coupled to the PUH module; a buffer management unit for controlling the buffer to buffer data units, and when the verifying status signal indicating one of recorded data units is verified, generating a buffer control signal to control the buffer to release buffer space of the verified data unit to buffer new data unit; wherein after the verifier verifies the second number of the data units, the PUH module follows to an initial position to record a third number of new data units and keeps recording and reading until the plurality of data units being recorded and verified. The optical recording method and recording system according to the present invention avoid extra seeking operations in the prior art so as to provide a more effecient recording way.
Description
Technical field
But the present invention is relevant for a kind of method and system to recording optically media recording data, particularly relevant for a kind of by proving program change continuously (Seamlessly transition) to logging program so that the method and system of optical record medium identifying recording layer with and proving program.
Background technology
But the optical media register system to the recording optically medium (for example: CD) after record (recording) data, can verify (verifying) program to it again, with the fiduciary level of record data before confirming.For the system that comprises data verifying program; Because system can not just begin to obtain the next record data at a preceding recorded data before checking is accomplished fully; So data verifying program is not only time-consuming and waste system resource, the usefulness of digital data recording system so and limited.When in proving program, when finding a defective unit (defect block) of record data, the optical media pen recorder is replacement of defective unit configuration, and this program can be referred to as data flaw and handle.
Please refer to Fig. 8, is according to prior art, and the process flow diagram of seeking rail (seeking) program, logging program, proving program and the corresponding data cell of this recording operation of complete documentation operation is provided.Between each logging program and proving program, the optical media pen recorder all must be carried out the rail program of seeking, with the mobile optical read/write head to the target location.As shown in Figure 8, in a complete documentation program, have 52 data unit.Be restricted to 20 data unit owing to be used for the capacity register of record data, therefore, the complete documentation program that comprises 52 data unit will be divided into three record sections.
As shown in Figure 8, seek the reference position that rail program 101 is searched recording operation.Logging program 102 is from the reference position of record operation, with 20 data unit B
0～B
19Be recorded to optical media.Seek the target location that rail program 103 is searched recorded data.Proving program 104 reads and verifies 20 data unit B from the reference position of this recording operation
0～B
19For accomplishing the complete documentation of 52 data unit; Seek rail program 101, logging program 102, seek rail program 103 and proving program 104 necessary triplicates; For example, the rail program 105 of seeking, logging program 106 shown in Figure 8, seek rail program 107, proving program 108, seek rail program 109, logging program 110, seek rail program 111 and proving program 112.Seeking the rail program and must expend time in before all logging programs and the proving program.As far as optical media, seeking the rail program at the logging program of aforementioned alternate repetition and in the proving program these influences the efficient of whole recording operation and the stability of disk driving system greatly.
Please refer to Fig. 9, be according to prior art data branching program, coded program, seek the sequential chart of rail program, logging program, proving program.As aforementioned, 52 data unit in complete documentation program are divided into three record section D1, D2, and D3.Three record section D1, D2, and D3 comprises unit B respectively
0～B
19, unit B
20～B
39And unit B
40～B
51Data migtation is the optical media register system receives data to buffer (buffer) from data source operation.Wherein, coding is meant the coded program that the optical media register system is carried out the data that receive from data source.Record is then for writing down the program of coded data.Checking is then for reading optical media data recorded and the program verified.
When initialization, data cell B
0～B
19Transfer to buffer from data source, the position of data is accurate to be increased up to the top critical value that arrives buffer constantly.The data bit standard maintains a fixed bit standard in seeking rail program 101.The data bit standard reduces to the bottom critical value continuously during logging program 102 then.Then, data bit is accurate in the recorded data unit B
0～B
19The rail program of seeking 103 and proving program 104 in keep fixing.At next record section D2, i.e. data cell B
20～B
39, the transition phase data bit accurate increase once more.The space that the data recording section D2 that only after data recording section D1 checking is accomplished, starts writing just can use buffer.So whole data storage operations is all waited for (comprising record and checking) record of proving program 104 end just can begin to descend one piece of data.
As shown in Figure 9, existing optical media register system all data cells of record section D1 all be encoded finish after executive logging program.Therefore the optical read/write head of optical media register system always surpasses the target location of record; So the optical media register system must be carried out an extra rail program of seeking; That is the reference position (target location) of looking for the next record section, for example: seek rail program 105 and 109.These seek the efficient that the rail program has reduced the optical media record data significantly.
So, need provide a kind of and be converted to the method and the device of logging program continuously, to improve the usefulness of whole recording operation by proving program.In addition, when demand growth, will need better data recording checking usefulness, in the unit interval so that higher data volume is provided to the data access.Therefore need a high efficiency data storage policy to be used for quickening deal with data record and checking.
Summary of the invention
Be the aforesaid drawbacks of solution prior art, but one of fundamental purpose of the present invention is to provide a kind of method and device to a plurality of data cells of recording optically media recording.
This method of the present invention comprises the following step.At first, but write down first number of data units to the recording optically medium; Second number of data units that checking has been write down; During the step of checking, after the data unit that the completion checking has been write down, prepare for record the 3rd number of data units, wherein the 3rd number of data units is different data cells with first number of data units; After the step of checking finishes, opening entry the 3rd number of data units; And repeat aforementioned these steps, until record and the checking of accomplishing these a plurality of data cells.
The present invention provides a kind of recording method to comprise the following step in addition.Receive first number of data units to buffer from data source; But write down first number of data units to recording optically medium; But checking has been recorded in second number of data units of recording optically medium; And when second number of data units has been accomplished checking, discharge the buffer space that second number of data units takies in the buffer; Receive the buffer space that has discharged in new data element to the buffer of the 3rd number from data source; But and after having verified second number of data units that is recorded in the recording optically medium, but but follow the reference position of the record cell of the 3rd number on rail to the recording optically medium, the new data element of opening entry the 3rd number.
Another object of the present invention is to provide a kind of optical media pen recorder; This device comprises the optical R/W head module at least; But the control optical read/write head writes down first number of data units to the recording optically medium, but and read second number of data units that is recorded in the recording optically medium; And validator, be coupled to the optical R/W head module, but checking is recorded in second number of data units of recording optically medium and produces the proofing state signal; The buffer management unit; In order to these a plurality of data cells of control buffer storage; And Receipt Validation status signal; Accomplished one during the checking of data recorded unit when proofing state signal indication, produced and shift control signal receiving new data element, and produced the buffer control signal and store new data element with the buffer space that the control buffer discharges the data cell of having accomplished checking; Wherein after intact second number of data units of validator validates; But optical read/write head module controls optical read/write head follows new data element and the lasting record and checking of reference position to write down the 3rd number of the record cell of rail to the three numbers, until record and the checking of accomplishing these a plurality of data cells.
Optical recording method of the present invention avoids carrying out the rail program of seeking extra in the prior art; But in the recording process of recording optically medium; Realization is converted to logging program by the proving program free of discontinuities, and then provides one to have more the recording mode of efficient than prior art.
Description of drawings
But Fig. 1 is according to the structural representation of the present invention to the optical media register system of recording optically media recording data.
Fig. 2 has described the process flow diagram of seeking rail program, logging program, proving program and the corresponding data unit according to complete documentation operation provided by the invention.
Fig. 3 is according to data branching program of the present invention, coded program, seeks the sequential chart of rail program, logging program, proving program.
Fig. 4 shows the process flow diagram of the verification method of embodiment of the present invention.
Fig. 5 and Fig. 6 show the buffer allocation of space of buffer 500 in the recording method of Fig. 4 of embodiment of the present invention.
Fig. 7 is the process flow diagram according to optical recording method of the present invention.
Fig. 8 according to prior art, provides the process flow diagram of seeking rail program, logging program, proving program and the corresponding data cell of this recording operation of complete documentation operation.
Fig. 9, be according to prior art data branching program, coded program, seek the sequential chart of rail program, logging program, proving program.
Embodiment
See also Fig. 1, but be according to the structural representation of the present invention to the optical media register system 100 of recording optically medium 54 record data.Optical media register system 100 comprises optical R/W head module (PUH module) 518, validator 502, scrambler 516, defect processing unit 508, comes source interface 506, buffer management unit 504 and buffer 500.Referring to Fig. 1, buffer 500 is coupled to buffer management unit 504.Buffer management unit 504 transference control signals 514 give source interface 506, come source interface 506 to come receiving data units from data source 52 in order to control, and then buffer 500 is given in the transferring data unit.Buffer 500 receptions and storage data units.The data capacity of judging buffer 500 when buffer management unit 504 arrives a predetermined level (level), and buffer management unit 504 produces start signal to validator 502.Please consult Fig. 1, Fig. 2 and Fig. 3 in the lump.Wherein, Fig. 2 has described the process flow diagram of seeking rail program, logging program, proving program and the corresponding data unit according to complete documentation operation provided by the invention.Fig. 3 is according to data branching program of the present invention, coded program, seeks the sequential chart of rail program, logging program, proving program.The instruction of a complete documentation program of data source 52 issues.According to this instruction, what data source 52 saw through 52 of optical media pen recorder 100 and data sources comes source interface 506 transferring datas to buffer 500.Each data cell number that shifts receives the restriction of the capacity of buffer 500.For example: data source 52 gives an order to optical media register system 100; But make its a plurality of continuous positions that are predetermined with 52 data unit records to recording optically medium 54; And the buffer capacity of buffer 500 is merely 20 data unit, so data source 52 must transfer data to few three times.Those data are split into first record area section (20 data unit, B
0～B
19), second record area section (20 data unit, B
20～B
39) and the 3rd record section (12 data unit, B
40～B
51).When initialization, data cell B
0～B
19Transfer to buffer from data source, the position of data is accurate to be increased up to the top critical value that arrives buffer constantly.
After the data of buffer 500 storages from data source 52 transfers, scrambler 516 just begins these digital coding are become recordable data cell.Optical R/W head module 518 receives these coded data unit and produce some control signal, with the optical read/write head (not shown) of control optical R/W head module 518.Optical R/W head module 518 make its optical read/write head seek rail to the target location B
0, produce laser with first record area section B with the coded data unit
0～B
19But be recorded to recording optically medium 54.To first record area section B
0～B
19Logging program accomplish after, optical R/W head module 518 seek again rail to the target location B
0But, and read the data cell B that is recorded to recording optically medium 54
0～B
19But optical R/W head module 518 is received from the optical signalling of recording optically medium 54 reflections, and with data cell B
0～B
19Be transferred to validator 502, but wherein optical signalling is represented the data cell B that reads from the recording optically medium
0～B
19In embodiments of the present invention, optical R/W head module 518 comprises signal processor and servo controller, in order to carry out aforesaid program.Validator 502 utilizes and is stored in buffer 500 coded data unit, and these data recorded unit are verified.Validator 502 can also comprise the person of ordinary skill in the field the normal scrambler that uses.
When utilizing, validator 502 is stored in the unit of coded data in the buffer 500; When the data cell of the predetermined number of the first record area section that write down is done checking, thereby the memory capacity of buffer 500 is just disengaged and is let data source 52 shift the data cell of second record area sections.When buffer 500 was obtained the new data cell from data source 52, scrambler 516 also began the data cell that these are new and is encoded into recordable data cell, for the logging program of next time is prepared.For instance, during seeking the searching record position of rail program 201, it is accurate that the data bit standard still maintains fixing position.The opening entry data are when the recordable media during logging program 202 when register system, and the accurate continuous decrease of data bit is until a bottom critical value.Then, in the searching checking position of following rail program 203 with in the checking record data unit B of proving program 204
0During this time, the data bit standard is all kept fixing.Record data block B in proving program 204
1... B
19Checking carry out when middle, data bit accurate also and then next record data D2 shift and increase.Critical value position, top will definitely be to be the total volume of buffer, perhaps less than total volume.Critical value position, bottom will definitely be being zero, or the value accurate littler than critical value position, top.
Compare with Fig. 9; The data migtation of Fig. 9 second record area section D2 after the checking of proving program 204 is accomplished begins; Begin the data migtation of second record area section D2 after proving program 204 parts of Fig. 3 are accomplished immediately, make the present invention have better data storage usefulness.
Aforementioned program is during optical R/W head module 518 and validator 502 are handled the data verification of relevant first record area section, to carry out.So when optical R/W head module 518 and the checking that validator 502 is accomplished the first record area section are handled; When promptly being referred to as first proving program; Scrambler 516 (is prepared the data of record second record area section for optical R/W head module 518 is ready to enough coded datas with buffer 500; Promptly be referred to as second logging program), but to be recorded in recording optically medium 54.
According to the present invention, optical R/W head module 518 follows rail to one second reference position, with the logging program of the data cell of beginning second record area section, and between first proving program and second logging program, need not carry out the rail program of seeking again.In other words, according to the present invention, can omit the hardware delay (hardware latency) that prior art is had because of conversion between proving program (read mode) and logging program (logging mode).Verified last data cell of first record area section when optical media register system 100 after; Optical media pen recorder 100 need not carry out any rail (seeking) program of seeking; And can carry out the logging program of first data cell of second record area section at once; That is; Optical R/W head module 518 its optical read/write heads of control are carried out common rail (track following) program of following, and this follows the rail program is first data cell that directly moves to the second record area section from last data cell of first record area section.Hardware unit in the optical media register system 100 can be utilized simultaneously, and the related hardware that is used for logging program also can be prepared data recorded simultaneously during the related hardware that is used to verify carries out data verification.
As above aforementioned, the hardware of the optical media register system of prior art only can be carried out a series of program separately, that is, decipher or encode, seek rail, record, checking or defect processing.Simultaneously,,, must carry out the operation of seeking rail, therefore can't avoid the existence of hardware delay (putting the pre-process of processing and logging program 106 after the proving program 104) in the proving program of firm end and between the logging program that is about to carry out according to prior art.Yet,, can carry out in the proving program the required preparation of treating record data in processing and the logging program of checking recorded data simultaneously according to bi-directional data ability of processing of the present invention.Optical media register system 100 of the present invention can be during proving program, and the data cell after simultaneously data being encoded and will encoding is stored in the buffer 500, to prepare the required data cell of logging program next time.So, can realize conversion continuously (Seamlessly transition) from proving program to logging program.
On the other hand, please with reference to Fig. 1, validator 502 receives the some of first record area section D1 on the recordable media 54, and the i unit B of verifying the first record section D1
i, and export validation signal 510 to buffer management unit 504, validation signal 510 expression recorded data unit B
iThe checking result.Buffer management unit 504 then sees through buffer control signal 512 control buffers 500, and comes source interface 506 through shifting control signal 514 controls.
If recorded data unit B
iVerify that successfully buffer management unit 504 produces buffer control signal 512 and shifts control signal 514, continue checking recorded data unit B simultaneously
I+1512 of buffer control signals are released in the buffer space that corresponds to data recorded unit B i in the buffer 500.Shifting control signal 514 activations comes source interface 506 to make further Data Receiving.When more buffers space discharged, buffer 500 had more buffers space to transmit and next data from data source 52 with temporary.Buffer management unit 504 is available buffer space and from the needed buffer of the data of data source 52 space in buffer 500 relatively; And if available buffer space exceeds or is equal to the buffer space of needs, generation transfer control signal 514.It is temporary to the buffer space that discharges to receive second record area section D2 from data source 52 subsequently.Buffer management unit 504 also can be according to available buffer space at that time, and activation (enable) comes source interface 506 to receive second record area section D2 partly or whole data cells.
Please consult Fig. 2 and Fig. 3 in the lump, comprise 52 data unit like complete logging program of example.Because the buffer capacity of buffer 500 is limited, must carry out logging program for several times, could accomplish a complete logging program, for example be divided into three sections, data cell B
0～B
19, data cell B
20～B
39And data cell B
40～B
51At first, optical media register system 100 of the present invention is carried out the rail program 201 of seeking, behind the initial position of search logging program 202, and executive logging program 202.After logging program 202 finished, optical media register system 100 was carried out and is sought rail program 203 to search the initial position of proving program 204, then, carries out proving program 204.When carrying out proving program 204, optical media register system 100 receives to shift and encodes in advance from the data of data source 52 and to it, for logging program 205 is prepared.In addition, also can carry out defect processing or other programs that must prepare.The aforementioned processing that these must be prepared before record can be referred to as " preparing to handle ".Be ready to complete owing to desire data recorded, after proving program 204 finished, optical media register system 100 is executive logging program 205 (not having any delay) at once.
After logging program 205 finished, optical media register system 100 was carried out and is sought rail program 206, with the initial position (target location) of searching this proving program 207, then carries out proving program 207.When carrying out proving program 207, prepare for logging program 208 as aforementioned optics media recording system 100.Be ready to complete owing to desire data recorded, after proving program 207 finished, optical media register system 100 is executive logging program 208 (not having any delay) at once.After logging program 208 finished, optical media register system 100 was carried out and is sought rail program 209 to search the initial position of proving program 210, then, carries out proving program 210.Finally, accomplish a complete documentation operation that comprises 52 data unit.
According to the present invention, but from proving program 204 to logging program 205, improve the overall efficiency to recording optically medium 54 record data from the transformation energy continuously of proving program 207 to logging program 208.And the data recorded number of unit is flexible and for variable in each recording operation in the present invention, so that effective dirigibility to be provided, but thinks on the recording optically medium 54 that many possible defectives or physical zone (physical segments) adjust.For example: suppose that optical R/W head module 518 reads the information that a logging program possibly stride across a physical zone border; Just can adjust the data cell number of each logging program, produce possible misregistration to avoid logging program to stride across the physical areas section boundary.
In addition, in yet another embodiment of the present invention, when proving program 204 was found a defective data unit in the data cell of having verified, the data of logging program 205 and replacement defective data unit were ended in defect processing unit 508.Likewise, when proving program 207 in the data cell of having verified, when finding a defective data unit, the data of logging program 208 and replacement defective data unit can be ended in defect processing unit 508.Perhaps, when in proving program 204 and proving program 207, when finding a defective data unit, defect processing unit 508 can be denoted as defective with this defective data unit, and behind the complete documentation EO, carries out the replacement of defective data again.
As aforementioned, recorded data number of unit and on-fixed and be variable in each logging program among the present invention are to provide effective dirigibility.In embodiment of the present invention, data source 52, buffer 500 and scrambler 516 are prepared first number of data units of desire record.Behind record, but validator 502 is only verified and is recorded in second number of data units in the recording optically medium 54.First number and second number can be identical or different positive integer, but second number should be less than or equal to first number.During proving program, data source 52, buffer 500 and scrambler 516 are prepared the new data cell of the 3rd number of record next time.The 3rd number and first number can be identical or different positive integer, limit but all receive capacity register.
Fig. 4 shows the process flow diagram of the verification method of embodiment of the present invention, asks the register system of while with reference to figure 1.
During verifying, verification method 40 is reseted counter i=1 and j=20 at step S400, the data cell B of the record section D1 that has write down in step S402 validator 502 decision
iComparison result.If validation signal 510 expression checking result successes, through buffer control signal 512,504 of buffer management unit discharge in the buffer 500 and correspond to data cell B in step S404
iThe buffer space, otherwise recording method 40 continues execution in step S406.
Then at step S405, counter i increases by 1, makes it possible to the next data cell B of checking in proving program next time
I+1
Follow step S406, whether 504 inspections of buffer management unit receive the transfer command from data source 52.If there is not transfer command, method 40 around to step S414 so that continue verification data unit.If transfer command exists, the buffer space that 504 assessments of buffer management unit need is estimated in buffer 500 available buffer spaces, and the buffer space and the available buffer space that in step S408, relatively need.If available buffer space exceed or equal needs the buffer space, step S410 is proceeded in recording method 40, otherwise around to step S414.In step S410, buffer management unit 504 produces and shifts control signal 514, in order to allow receiving the second data cell B from data source 52
jTo buffer 500.
Secondly at step S412, counter j increases by 1, and making it possible to next time, buffer 500 receives next data cell B
J+1
At step S414, whether buffer management unit 504 decision writes down section D1 is verified completion fully, that is, and and its last data cell B whether
19Checking is accomplished.If promptly Method Of Accomplishment 40 and system continue to handle the data segments D2 that starts writing, otherwise the proving program that continues to carry out at step S402 is accomplished up to data segments D1 checking.It must be emphasized that data D1 comparison completion is only represented in the end of method 40, do not represent to accomplish the proving program of whole record.System should continue record and verify ensuing data, all verifies completion up to whole data.
Fig. 5 shows the buffer allocation of space of buffer 500 in the recording method of Fig. 4 of embodiment of the present invention, please be simultaneously with reference to the register system of figure 1.Comprise data recorded 5000 and Unrecorded data 5020 among Fig. 5, and distribute along the direction of record progress.Verification step S402 is (to be data B from the beginning of recorded data 5000
1), and discharge the data B that is verified
1, in order in step 410, to receive the data of starting writing.
Fig. 6 shows the buffer allocation of space of buffer 500 in the recording method of Fig. 4 of embodiment of the present invention, please be simultaneously with reference to the register system of figure 1.Fig. 6 comprises Unrecorded data 6000 and recorded data 6020, and the direction of authentication progress is distributed in the step S402.Second record area section D2 (comprising Unrecorded data) comprises B
20, B
21..., B
j, and reach the aspect of ring-like buffer (RingBuffer) along the direction of authentication progress.Buffer 500 comprises simultaneously and has write down but the B of not verified first record area section D1
I+1..., B
19And the B of Unrecorded second record area section D2
20, B
21..., B
jBecause the annular space of buffer distributes, the utilization rate of buffer 500 improves, and the access time lowers.Accordingly, ring-like buffer also can use in embodiments of the present invention.
Please refer to Fig. 7, is the process flow diagram according to optical recording method of the present invention.Recording method of the present invention comprises the following step:
The above is merely preferred embodiments of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (24)
1. optical recording method, but a plurality of data cells write down in the recording optically medium through buffer from data source, and this method comprises the following step:
But write down first number of data units to being somebody's turn to do the recording optically medium;
Second number of data units that checking has been write down;
During this verification step, after the data unit that the completion checking has been write down, prepare for record the 3rd number of data units, wherein the 3rd number of data units is different data cells with this first number of data units;
After this verification step finishes, opening entry the 3rd number of data units; And
Repeat aforementioned these a plurality of steps, until record and the checking of accomplishing these a plurality of data cells.
2. optical recording method according to claim 1 is characterized in that, this first number, this second number and the 3rd number are positive integers.
3. optical recording method according to claim 1 is characterized in that, the size of this first number and the 3rd number is limited by this capacity register all.
4. optical recording method according to claim 1 is characterized in that, this preparation process comprises encodes to the 3rd number of data units.
5. optical recording method according to claim 1 is characterized in that, this preparation process comprises the data that receive the 3rd number from this data source.
6. optical recording method according to claim 1 is characterized in that, the step that writes down the 3rd number of data units is that the splice locations behind this verification step begins.
7. optical recording method according to claim 1; It is characterized in that; But follow rail to the step of being somebody's turn to do the reference position of the record cell of the 3rd number on the recording optically medium but more comprise, can opening entry the 3rd number of data units behind this verification step, need not seek rail.
8. optical recording method according to claim 1 is characterized in that, more comprises:
Assess the required buffer space of the 3rd number of data units; And
Estimate the free space of this buffer;
If wherein the free space of this buffer is greater than or equal to the required buffer space of the 3rd number of data units, this buffer receives the 3rd number of data units.
9. optical recording method according to claim 1 is characterized in that, seeks rail to the predetermined authentication position of being somebody's turn to do recording optically medium recorded data unit, to verify data recorded unit but more comprise.
10. optical recording method, but a plurality of data cells write down in the recording optically medium through buffer from data source, and this method comprises:
Receive first number of data units to this buffer from this data source;
But write down this first number of data units to being somebody's turn to do the recording optically medium;
But checking has been recorded in second number of data units of these recording optically medium; And
When this second number of data units has been accomplished checking, discharge the buffer space that this second number of data units takies in this buffer;
Receive the buffer space that has discharged in new data element to this buffer of the 3rd number from this data source; And
But after having verified this second number of data units that is recorded in these recording optically medium, but but follow rail to the reference position of being somebody's turn to do the record cell of the 3rd number on the recording optically medium, the new data element of opening entry the 3rd number.
11. optical recording method according to claim 10 is characterized in that, this first number, this second number and the 3rd number are positive integers.
12. optical recording method according to claim 10 is characterized in that, the size of this first number and this second number is limited by this capacity register all.
13. optical recording method according to claim 10 is characterized in that, between the step and this recorded steps of this checking, more is included as the new data element step of preparing of record the 3rd number.
14. optical recording method according to claim 10 is characterized in that, this step of following rail is specially at once and converts logging program continuously into from this proving program.
15. optical recording method according to claim 10; It is characterized in that; This step of following rail is the initial position that follows rail to next recording step from the rearmost position of verification step last time, but and this two positions is the continuous position in these recording optically medium.
16. optical recording method according to claim 10 is characterized in that, follows the step of rail to this reference position and need not seek rail.
17. optical recording method according to claim 10 is characterized in that, more comprises:
Assess the required buffer space of new data element of the 3rd number; And
Estimate the free space of this buffer;
If wherein the free space of this buffer is greater than or equal to the required buffer space of new data element of the 3rd number, this buffer receives the new data element of the 3rd number.
18. an optical media register system, but a plurality of data cells write down in the recording optically medium through buffer from data source, and this system comprises:
The optical R/W head module, but the control optical read/write head writes down first number of data units to should recording optically medium, but and read second number of data units that is recorded in these recording optically medium;
Validator is coupled to this optical R/W head module, but checking is recorded in this second number of data units of these recording optically medium and produces the proofing state signal; And
The buffer management unit; In order to control this these a plurality of data cells of buffer storage; And receive this proofing state signal; Accomplished one during the checking of data recorded unit when the indication of this proofing state signal, produced and shift control signal receiving new data cell, and produced the buffer control signal and store new data cell with the buffer space of controlling this buffer and discharging the data cell of having accomplished checking;
Wherein after intact this second number of data units of this validator validates; But this this optical read/write head of optical read/write head module controls follows new data cell and the lasting record and checking of reference position to write down the 3rd number of the record cell of rail to the three numbers, until record and the checking of accomplishing these a plurality of data cells.
19. optical media register system according to claim 18; It is characterized in that; The required buffer space of this new data element of storage is more assessed in this buffer management unit; Estimate the free space of this buffer,, control this buffer and receive this new data element if this available cache memory device space exceeds or equals to store the required buffer space of this new data element.
20. optical media register system according to claim 18 is characterized in that, this first number, this second number and the 3rd number are to be positive integer.
21. optical media register system according to claim 18 is characterized in that, the size of this first number and the 3rd number is limited by this capacity register all.
22. optical media register system according to claim 18; It is characterized in that; More comprise a scrambler; Be used to the verifying and during the new data element of this optical R/W head module opening entry the 3rd number, the new data element of the 3rd number that will write down being encoded of this validator to this second number of data units.
23. optical media register system according to claim 18 is characterized in that, this optical R/W head module follows rail to this reference position and need not seek rail.
24. optical media register system according to claim 18 is characterized in that, this buffer is stored data recorded unit and this new data element.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/822,263 US20100302919A1 (en) | 2005-10-27 | 2010-06-24 | Optical Recording Method and Apparatus |
| US12/822,263 | 2010-06-24 |
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| Publication Number | Publication Date |
|---|---|
| CN102332271A true CN102332271A (en) | 2012-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101193915A Pending CN102332271A (en) | 2010-06-24 | 2011-05-10 | Optical recording method and system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102332271A (en) |
| TW (1) | TW201212018A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5909334A (en) * | 1996-05-10 | 1999-06-01 | Western Digital Corporation | Verifying write operations in a magnetic disk drive |
| US5937427A (en) * | 1994-06-10 | 1999-08-10 | Canon Kabushiki Kaisha | Information recording apparatus and method capable of efficient erase, write and verify processes |
| CN101171641A (en) * | 2005-04-01 | 2008-04-30 | 桑迪士克股份有限公司 | Use of data latches in cache operations of non-volatile memories |
-
2011
- 2011-05-05 TW TW100115716A patent/TW201212018A/en unknown
- 2011-05-10 CN CN2011101193915A patent/CN102332271A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5937427A (en) * | 1994-06-10 | 1999-08-10 | Canon Kabushiki Kaisha | Information recording apparatus and method capable of efficient erase, write and verify processes |
| US5909334A (en) * | 1996-05-10 | 1999-06-01 | Western Digital Corporation | Verifying write operations in a magnetic disk drive |
| CN101171641A (en) * | 2005-04-01 | 2008-04-30 | 桑迪士克股份有限公司 | Use of data latches in cache operations of non-volatile memories |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201212018A (en) | 2012-03-16 |
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