CN101533644A - Optical writing device and method for writing optical memory medium - Google Patents
Optical writing device and method for writing optical memory medium Download PDFInfo
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- CN101533644A CN101533644A CN200810083777A CN200810083777A CN101533644A CN 101533644 A CN101533644 A CN 101533644A CN 200810083777 A CN200810083777 A CN 200810083777A CN 200810083777 A CN200810083777 A CN 200810083777A CN 101533644 A CN101533644 A CN 101533644A
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Abstract
The invention provides an optical writing device and a method for writing optical memory medium. The method comprises the following steps of checking whether the temperature of the optical reading head of the optical writing device is higher than the prearranged temperature or not before starting to writing the optical memory medium, subsequently selecting one strategy out of a first writing strategy and a second writing strategy to write the optical memory medium according to the temperature of the optical reading head, and finally checking whether the temperature of the optical reading head is higher than the prearranged temperature or not during the writing process so as to dynamically select one strategy out of the two writing strategies to write the optical memory medium.
Description
Technical field
The present invention relates to the optical disc drive technical field, particularly relate to the carving method of a kind of optical writing device and optical storage media.
Background technology
Traditionally, before CD writer is imprinted CDs sheet, can measure the temperature of its optical read head (pickuphead) earlier, with selected normal temperature burning policy of the measuring temp result of foundation optical read head or the high record strategy of high temperature, and then the imprinting that sets according to the user doubly speed carry out the imprinting of discs, till the discs imprinting is finished.
Yet because CD writer is when imprinting CDs sheet, the laser power the when laser power of optical read head can be than reading of data is greater, so that the heat energy that is generated is also bigger.Therefore, when the continuous high speed imprinting, the temperature of optical read head can raise constantly, and such situation is easy to make the imprinting quality of discs to become not good.For instance, when the measuring temp result who supposes optical read head spends less than Celsius 50, just adopt the normal temperature burning policy, and the measuring temp result then adopts the high temperature burning policy when spending more than or equal to Celsius 50.When CD writer continuous high speed imprinting during the multi-disk optical disk sheet, the temperature of optical read head may be very near default value 50 degree, for example be 49 degree Celsius, if this moment, the user still selected to continue imprinting one discs in the mode of high speed imprinting, so in this discs of imprinting, the temperature of optical read head may surpass 50 degree Celsius, but CD writer still adopts the normal temperature burning policy to continue imprinting according to the measuring temp result before the imprinting, thereby causes the imprinting quality of this discs not good.
Summary of the invention
The invention provides a kind of carving method of optical writing device, it can dynamically switch burning policy according to the temperature of optical read head and the conversion imprinting is doubly fast.
The present invention also provides a kind of carving method of optical storage media, and it can dynamically switch burning policy according to the temperature of optical read head and the conversion imprinting is doubly fast.
The present invention provides a kind of optical writing device again, and it can dynamically switch burning policy according to the temperature of optical read head and the conversion imprinting is doubly fast.
The present invention proposes a kind of carving method of optical writing device, is suitable for optical storage media is carried out imprinting.Described method comprises the following steps: that at first before beginning imprinting optical storage media, whether the temperature of the optical read head of inspection optical writing device is greater than preset temperature.Then, according to the temperature of optical read head, by selecting wherein a kind of burning policy to come optical storage media is carried out imprinting in first burning policy and second burning policy.Wherein, if the temperature of optical read head during less than preset temperature, is then selected first burning policy, and if the temperature of optical read head during greater than preset temperature, is then selected second burning policy.Then, in the imprinting process, whether the temperature of checking optical read head greater than preset temperature, with wherein a kind of in the above-mentioned burning policy of Dynamic Selection optical storage media is carried out imprinting.
The present invention proposes a kind of carving method of optical storage media in addition, is applicable to the optical writing device, and wherein said optical storage media has a plurality of sections.This carving method comprises the following steps: that at first before beginning imprinting optical storage media, whether the temperature of the optical read head of inspection optical writing device is greater than preset temperature.Then, according to the temperature of optical read head, by selecting wherein a kind of burning policy to come optical storage media is carried out imprinting in first burning policy and second burning policy.Wherein, if the temperature of optical read head during less than preset temperature, is then selected first burning policy, and if the temperature of optical read head during greater than preset temperature, is then selected second burning policy.Then, whenever the intact section of high speed optical recording, whether the temperature of just checking optical read head greater than preset temperature, with wherein a kind of in the above-mentioned burning policy of Dynamic Selection optical storage media is carried out imprinting.
The present invention proposes a kind of optical writing device again, and it includes optical read head, motor, temperature meter and controller.Optical read head is in order to the imprinting optical storage media.Motor is in order to drive the optical storage media rotation, to carry out imprinting.Temperature meter is in order to measure the temperature of optical read head.Controller couples optical read head, motor and temperature meter, in order to the temperature of foundation optical read head, follows an imprinting strategy optical storage media is carried out imprinting and dynamically control optical read head.
Whether the present invention switches burning policy owing to the temperature of detection optical read head during the imprinting of optical storage media with foundation measuring temp result decision.Therefore, burning policy can be dynamically switched in the present invention according to the temperature of optical read head and the conversion imprinting is doubly fast, promotes the imprinting quality of optical storage media according to this.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and be described with reference to the accompanying drawings as follows.
Description of drawings
Figure 1 shows that calcspar according to the optical writing device of one embodiment of the invention.
Figure 2 shows that according to of the present invention one preferable DVD-RAM discs imprinting flow process.
Figure 3 shows that process flow diagram according to the carving method of the optical storage media of one embodiment of the invention.
Figure 4 shows that process flow diagram according to the carving method of the optical writing device of one embodiment of the invention.
Embodiment
Fig. 1 is the calcspar according to the optical writing device of one embodiment of the invention.Please refer to Fig. 1, this optical writing device (for example being CD writer) comprises optical read head 102, temperature meter 104, motor 106 and controller 108.Wherein, optical read head 102 is in order to write optical storage media from an optical storage media (for example being discs) reading of data or with data.Temperature meter 104 is in order to measure the temperature of optical read head 102.In general, temperature meter 104 can be arranged in the optical read head 102, to measure the temperature of optical read head 102 accurately.Motor 106 is in order to drive the optical storage media rotation, to read or the imprinting operation.And controller 108 couples optical read head 102, temperature meter 104 and motor 106, in order to the temperature of foundation optical read head 102, follows an imprinting strategy and comes optical storage media is carried out imprinting and dynamically control optical read head 102.
For being had, this area knows that usually the knowledgeable can inerrably understand spirit of the present invention really, but the above-mentioned optical storage media of following hypothesis earlier is the DVD-RAM discs with section of test section and most imprintings, and is that example explains in order to come imprinting DVD-RAM discs with above-mentioned optical writing device.Because but the DVD-RAM discs generally has the section of tens imprintings, and according to the intrinsic characteristic of DVD-RAM discs, it is in the process of imprinting, the intact section of every imprinting will stop the action of imprinting earlier, jumping onto the tracks then to next section begins imprinting again, below for example be to utilize such characteristic to carry out the imprinting operation.Though below will come for example with imprinting DVD-RAM discs, the present invention is not as limit.
Figure 2 shows that according to of the present invention one preferable DVD-RAM discs imprinting flow process.Please be simultaneously with reference to Fig. 1 and Fig. 2, at first after imprinting begins (as the step S202 of Fig. 2), controller 108 is the operation of control optical read head 102 earlier, making optimal laser power with the test section that utilizes the DVD-RAM discs proofreaies and correct, in addition, controller 108 also can see through the temperature that temperature meter 104 measures optical read head 102, with selection one imprinting strategy from high temperature burning policy and normal temperature burning policy, and decision imprinting doubly fast (as the step S204 of Fig. 2).In step S204, controller 108 can compare a temperature and a preset temperature (50 degree for example Celsius) that measures, if the temperature of optical read head 102 is during less than preset temperature, then select the normal temperature burning policy, and if the temperature of optical read head 102 during greater than preset temperature, is then selected the high temperature burning policy.
Next, controller 108 just control optical read head 102 with data carving to the DVD-RAM discs, and every imprinting finishes a section, controller 108 is just controlled the temperature (as the step S206 of Fig. 2) that temperature meter 104 measures an optical read head 102 again, with the temperature of judging optical read head 102 whether greater than preset temperature (as the step S208 of Fig. 2).When the temperature of judging optical read head 102 during less than preset temperature, controller 108 is just controlled motor 106 and is driven the DVD-RAM discs and skip to next section, and control optical read head 102 and continue imprinting DVD-RAM discs (as the step S210 of Fig. 2), and then judge whether recording command finishes (as the step S218 of Fig. 2) with the normal temperature burning policy.Finish if judge recording command, controller 108 quits work just control optical read head 102, temperature meter 104 and motor 106 after the imprinting of DVD-RAM discs is finished so, so whole imprinting flow process constipation bundle (as the step S220 of Fig. 2); Otherwise, if controller 108 judges that recording command does not finish as yet, then gets back to the described operation of step S206 again.
In above-mentioned steps S208, if the temperature that controller 108 is judged optical read heads 102 is during greater than preset temperature, just continue to judge whether the imprinting times speed of DVD-RAM discs can fall (as the step S212 of Fig. 2).When the imprinting times speed of judging the DVD-RAM discs can be fallen, controller 108 is just controlled the rotating speed that slows down motor 106, with the imprinting doubly fast (as the step S214 of Fig. 2) that reduces the DVD-RAM discs, and then control motor 106 drives the DVD-RAM discs and skips to next section, and control optical read head 102 continues imprinting DVD-RAM discs (as the step S216 of Fig. 2) with the high temperature burning policy; Otherwise, judge the imprinting times speed of DVD-RAM discs when controller 108 and can not fall, just directly enter the described operation of step S216.Then, execute after the operation of step S216, just enter step S218, whether finish to judge recording command at controller 108.
In Fig. 2, the execution of step S212 and S214 is in order to obtain better imprinting effect, and so these two steps can increase and decrease according to actual needs, is not in order to limit the present invention.In addition, the described flow process of Fig. 2 is to utilize the temperature of removing to measure optical read head 102 blink of switching the imprinting section.Because it is short to switch the time compole of imprinting section, temperature variation is very little, therefore adopts the method for preferred embodiment of the present invention to carry out the imprinting of DVD-RAM discs, can't influence the accuracy of the decision-making of burning policy.
By the teaching of the foregoing description, can summarize some basic operational steps of the carving method of optical storage media of the present invention, be applicable to the optical writing device, wherein said optical storage media has a plurality of sections.Figure 3 shows that process flow diagram according to the carving method of the optical storage media of one embodiment of the invention, it comprises the following steps: at first, before beginning imprinting optical storage media, whether the temperature of the optical read head of inspection optical writing device is greater than preset temperature (shown in step S302).Then, temperature according to optical read head, select wherein a kind of burning policy to come optical storage media is carried out imprinting by first burning policy (for example normal temperature burning policy) and second burning policy (for example high temperature burning policy) are middle, wherein, if the temperature of optical read head is during less than preset temperature, then select first burning policy, and if the temperature of optical read head during greater than preset temperature, is then selected second burning policy (shown in step S304).Then, whenever the intact section of high speed optical recording, just the temperature of checking optical read head whether greater than preset temperature, is carried out imprinting (shown in step S306) with wherein a kind of in the above-mentioned burning policy of Dynamic Selection to optical storage media.
The optical storage media that the described operation steps of Fig. 3 system is beneficial to having a plurality of sections carries out imprinting; yet notion of the present invention is not only to terminate in this; expansion; so long as in the process of imprinting, go to measure the temperature of optical read head; and Dynamic Selection burning policy person according to this; just fall into the scope of institute of the present invention desire protection, it through the complete behaviour's flow process after concluding as shown in Figure 4.Figure 4 shows that process flow diagram according to the carving method of the optical writing device of one embodiment of the invention.
In sum, whether the present invention switches burning policy owing to the temperature of detection optical read head during the imprinting of optical storage media with foundation measuring temp result decision.Therefore, burning policy can be dynamically switched in the present invention according to the temperature of optical read head and the conversion imprinting is doubly fast, promotes the imprinting quality of optical storage media according to this.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; those skilled in the art can do a little change and retouching under the premise without departing from the spirit and scope of the present invention, so protection scope of the present invention is as the criterion with claim of the present invention.
Claims (14)
1. the carving method of an optical writing device is suitable for an optical storage media is carried out imprinting, it is characterized in that comprising the following steps:
Before the beginning imprinting above-mentioned optical storage media, whether the temperature of optical read head of checking above-mentioned optical writing device is greater than preset temperature;
Temperature according to above-mentioned optical read head, by selecting wherein a kind of burning policy to come above-mentioned optical storage media is carried out imprinting in first burning policy and second burning policy, wherein if the temperature of above-mentioned optical read head during less than above-mentioned preset temperature, then select above-mentioned first burning policy, if the temperature of above-mentioned optical read head during greater than above-mentioned preset temperature, is then selected above-mentioned second burning policy; And
In the imprinting process, whether the temperature of checking above-mentioned optical read head greater than above-mentioned preset temperature, with wherein a kind of in the above-mentioned burning policy of Dynamic Selection above-mentioned optical storage media is carried out imprinting.
2. carving method according to claim 1 is characterized in that above-mentioned first burning policy is the normal temperature burning policy.
3. carving method according to claim 1 is characterized in that above-mentioned second burning policy is the high temperature burning policy.
4. carving method according to claim 1 when it is characterized in that temperature when above-mentioned optical read head is less than above-mentioned preset temperature, is then kept with the above-mentioned optical storage media of the above-mentioned first burning policy imprinting.
5. carving method according to claim 1 is characterized in that also comprising the following steps: when judgement must switch to the above-mentioned optical storage media of the above-mentioned second burning policy imprinting
Judge whether to downgrade the imprinting times speed of above-mentioned optical storage media;
When judge can reduce imprinting times speed after, just according to above-mentioned second burning policy and the speed and continue the above-mentioned optical storage media of imprinting doubly of the imprinting after reducing; And
After judgement can not reduce imprinting times speed, just directly according to the above-mentioned optical storage media of the above-mentioned second burning policy imprinting.
6. the carving method of an optical storage media is applicable to an optical writing device, and wherein above-mentioned optical storage media has a plurality of sections, and above-mentioned carving method comprises the following steps:
Before the beginning imprinting above-mentioned optical storage media, whether the temperature of optical read head of checking above-mentioned optical writing device is greater than preset temperature;
Temperature according to above-mentioned optical read head, by selecting wherein a kind of burning policy to come above-mentioned optical storage media is carried out imprinting in first burning policy and second burning policy, wherein, if the temperature of above-mentioned optical read head is during less than above-mentioned preset temperature, then select above-mentioned first burning policy, if the temperature of above-mentioned optical read head during greater than above-mentioned preset temperature, is then selected above-mentioned second burning policy; And
Whenever the intact section of above-mentioned high speed optical recording, whether the temperature of just checking above-mentioned optical read head greater than above-mentioned preset temperature, with wherein a kind of in the above-mentioned burning policy of Dynamic Selection above-mentioned optical storage media is carried out imprinting.
7. carving method according to claim 6 when it is characterized in that temperature when above-mentioned optical read head is less than above-mentioned preset temperature, is then kept with above-mentioned first burning policy and is come the above-mentioned optical storage media of imprinting.
8. carving method according to claim 6 is characterized in that above-mentioned first burning policy is a normal temperature burning policy.
9. carving method according to claim 6 is characterized in that above-mentioned second burning policy is a high temperature burning policy.
10. carving method according to claim 6 is characterized in that also comprising the following steps: when judgement must switch to the above-mentioned optical storage media of the above-mentioned second burning policy imprinting
Judge whether to downgrade the imprinting times speed of above-mentioned optical storage media;
When judge can reduce imprinting times speed after, just according to above-mentioned second burning policy and the speed and continue the above-mentioned optical storage media of imprinting doubly of the imprinting after reducing; And
After judgement can not reduce imprinting times speed, just directly according to the above-mentioned optical storage media of the above-mentioned second burning policy imprinting.
11. an optical writing device is characterized in that comprising:
Optical read head is in order to the imprinting optical storage media;
Motor is in order to drive above-mentioned optical storage media rotation, to carry out imprinting;
Temperature meter is in order to measure the temperature of above-mentioned optical read head; And
Controller couples above-mentioned optical read head, above-mentioned motor and said temperature measuring appliance, in order to according to the temperature of above-mentioned optical read head, follows an imprinting strategy above-mentioned optical storage media is carried out imprinting and dynamically control above-mentioned optical read head.
12. optical writing device according to claim 11 is characterized in that above-mentioned optical storage media is the DVD-RAM discs, and has a plurality of sections.
13. optical writing device according to claim 12 is characterized in that above-mentioned controller is switching to next section when carrying out imprinting at every turn, whether the temperature of checking above-mentioned optical read head greater than preset temperature,
The temperature of checking above-mentioned optical read head when above-mentioned controller then selects to adopt the normal temperature burning policy during less than above-mentioned preset temperature; And
The temperature of checking above-mentioned optical read head when above-mentioned controller then selects to adopt the high temperature burning policy during greater than above-mentioned preset temperature.
14. optical writing device according to claim 13 is characterized in that more comprising and carrying out the following step when above-mentioned controller judgement must switch to the above-mentioned optical storage media of above-mentioned high temperature burning policy imprinting:
Judge whether to downgrade the imprinting times speed of above-mentioned optical storage media;
When judge can reduce imprinting times speed after, just according to above-mentioned high temperature burning policy and the speed and continue the above-mentioned optical storage media of imprinting doubly of the imprinting after reducing; And
After judgement can not reduce imprinting times speed, just directly according to the above-mentioned optical storage media of above-mentioned high temperature burning policy imprinting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810083777A CN101533644A (en) | 2008-03-12 | 2008-03-12 | Optical writing device and method for writing optical memory medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810083777A CN101533644A (en) | 2008-03-12 | 2008-03-12 | Optical writing device and method for writing optical memory medium |
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| Publication Number | Publication Date |
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| CN101533644A true CN101533644A (en) | 2009-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810083777A Pending CN101533644A (en) | 2008-03-12 | 2008-03-12 | Optical writing device and method for writing optical memory medium |
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Open date: 20090916 |