CN100435234C - Information recording method and device thereof - Google Patents
Information recording method and device thereof Download PDFInfo
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- CN100435234C CN100435234C CNB021424179A CN02142417A CN100435234C CN 100435234 C CN100435234 C CN 100435234C CN B021424179 A CNB021424179 A CN B021424179A CN 02142417 A CN02142417 A CN 02142417A CN 100435234 C CN100435234 C CN 100435234C
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Abstract
The present invention provides an information recording method for recording a digital information file to an information recording medium. The digital information file comprises multiple sections of digital data. The information recording medium is provided with a plurality of prearranged recording units which are sequentially distributed on the information recording medium and are used for recording the digital data of the digital information file. The information recording medium is provided with an inner recording area and an outer recording area provided with an initial recording unit. In the information recording method, the multiple sections of digital data of the digital information file are orderly inward recorded on the information recording medium starting from the initial recording unit.
Description
Technical field
The present invention refers to a kind of with the information recording method of numerical information (digitalinformation) file logging at carrier (information recording medium) about a kind of information recording method especially.
Background technology
CD drive is known information record carrier, is used for digital information file is recorded in carrier, as discs.With the disc discs is example, the inner round portion of known discs has a block of information (Information Area), include a capability correction zone (PowerCalibration Area in the described block of information, PCA), a program internal memory zone (Program Memory Area, PMA) and at least one section (session).Described capability correction zone offers described CD drive read or write down described discs in order to decision correct power.Then between described capability correction zone and described section, the packets of information of record contains the initial and termination time of all tracks in described program internal memory zone.Described section is connected in described program internal memory zone, in order to write down the content of described digital information file file, includes one and introduces district (Lead-in Area) and a draw-out area (Lead-out Area).Described section includes an initial record cell in addition after described introducing district.
Known utilize CD drive with digital information recording when the discs, CD drive is with fixing rotational speed rotary CD sheet, and begin from described home record unit, begin to write down in proper order described digital information file to the draw-out area by the inner ring of discs than the outer ring.
When another follow-up CD drive is desired correctly to read described log file,, can correctly read the described digital information file that is write down in the described section as long as read described capability correction zone and described program internal memory zone.
Yet because the rotational speed of discs fixes, so CD drive writes to the writing speed of the outer ring part of discs with numerical data, and is faster than the writing speed of the inner round portion that writes to discs.
The outmost turns radius of general optical disk is about 3 times of inner ring radius.Therefore optical disk drives record or read the speed of discs outmost turns data is record or the speed that reads the inner ring data of discs about 3 times.
Because the mode of known optical disk drives record discs is promptly begun by slower writing speed all for being moved to the outer ring by inner ring, has wasted many writing times in rain.Therefore, fundamental purpose of the present invention is to provide a kind of data recording mode, numerical data is write to the writing speed of discs with effective raising CD drive.
Summary of the invention
The present invention refers to a kind of information recording method that digital information file is recorded in carrier especially about a kind of information recording method.
The invention provides a kind of information recording method that a digital information file is recorded in a carrier.Described digital information file comprises a plurality of numerical datas.And described carrier has a plurality of predetermined recording unit, successively is distributed in proper order on the described carrier, in order to write down the described numerical data of described digital information file.Described carrier also has a recording areas and an outer recording areas in one.Has an initial record cell on the described outer recording areas.Described information recording method begins from described home record unit, and a plurality of numerical datas of described digital information file inwardly are recorded on the described carrier in regular turn.
Data record method of the present invention, the home record unit outside described on the recording areas begin in regular turn inwardly record, can effectively improve CD drive numerical data is write to the writing speed of discs, and then can significantly improve the writing speed of CD drive.
Can further be understood by the following detailed description and accompanying drawings about the advantages and spirit of the present invention.
Description of drawings
Fig. 1 is the employed discs synoptic diagram of information recording method of the present invention.
Fig. 2 is a CD drive synoptic diagram according to a particular embodiment of the invention.
Fig. 3 is the difference of a discs in order to explanation the inventive method and known technology.
The reference numeral explanation
10 discs, 11 home record unit
20 CD drive, 22 read/write heads
24 discs, 26 lens combination
28 actuating devices, 30 controllers
32 spindle drive motor modules, 34 slide motors
Embodiment
The invention provides and a kind of a digital information file is recorded in the information recording method of a carrier, wherein said digital information file comprises a plurality of numerical datas.Information recording method of the present invention utilizes an information record carrier that digital information file is recorded on the described carrier.Described information record carrier includes a reading and writing control software, is used for controlling described information record carrier and writes or read described numerical data.Described carrier can be a disc discs, and described information record carrier can be a CD drive.
See also Fig. 1, Fig. 1 is the synoptic diagram of the employed discs 10 of information recording method of the present invention.Discs 10 is a disc, and it comprises a plurality of circular track records (not being shown on the figure), is arranged on the discs 10 in spiral helicine mode, and a plurality of record cells are distributed on the described circular track record, in order to write down described numerical data.In the information recording method of the present invention, described carrier can be the carrier of tool concentric circles track record also, and record cell is distributed in the concentric circles track record, in order to the record numerical data.
Has an initial record cell 11 in the outer recording areas 14.And be arranged in record cell outside the home record unit 11, have a block of information (Information Area) (not shown).In described block of information, store a capability correction zone (Power Calibration Area in advance, PCA) and a program internal memory zone (Program Memory Area, PMA), so that follow-up information record carrier can correctly read described digital information file after reading described capability correction zone and described program internal memory zone.
Information recording method of the present invention is 11 beginnings from the home record unit, and a plurality of numerical datas of described digital information file inwardly are recorded on the described carrier in regular turn.
For making the information recording method of the present invention can smooth implementation, discs 10 need preestablish block of information 16 outside the home record unit 11 of outer recording areas, store a capability correction zone and a program internal memory zone.As for CD drive in record during described digital information file, i.e. 11 inside records from the home record unit.Follow-up information record carrier then after reading described capability correction zone and described program internal memory zone, can read the described digital information file of being stored by correct ecto-entad.
See also Fig. 2, Fig. 2 is the synoptic diagram of a CD drive 20 according to a particular embodiment of the invention.CD drive 20 comprises a read/write head 22 (pickup head), an optical lens group 26, activates a device 28 (actuator) and a controller 30.Read/write head 22 writes to numerical data on one discs 24 in order to send a light beam, and reads described numerical data on discs 24.Optical lens group 26 focuses on the discs 24 in order to the light beam that read/write head 22 is sent, and will focus on from 24 beam reflected of discs, is received in order to follow-up interpretation by read/write head 22.30 of controllers are in order to control read/write head 22, optical lens group 26 and actuating device 28.
Actuating device 28 is in order to activate read/write head 22, optical lens group 26 and discs 24, to write or to read numerical data.Actuating device 28 comprises a spindle drive motor module 32 and a slide motor 34 (sled motor).Spindle drive motor module 32 is come rotary CD sheet 24 with a rotational speed, and read/write head 22 can be write to the numerical data of desiring to write on the discs 24.Slide motor 34 inwardly writes numerical data in order to home record unit 11 beginnings of control read/write head 22 recording areas 14 outside discs 24.
The reading and writing control software control slide motor 34 of CD drive 20 causes slide motor 34 control read/write heads 22.Slide motor 34 moves inward from the outer recording areas of discs 24, causes read/write head 22 from 11 beginnings of the home record unit of outer recording areas, inwardly numerical data is write or reads described digital information file.Read/write head 22 writes to the writing speed of the outer recording areas of discs 24 with numerical data, and is faster than the writing speed of the interior recording areas that writes to discs 24.
Because when the rotational speed of spindle drive motor module 32 rotary CD sheets is certain value, when relatively read/write head 22 rotates to the outer ring of discs 24, in the identical anglec of rotation, the number of record cell can increase because of the CD radius, so record cell more more increases to the outer ring.And controller 30 can and increase its data transfer rate along with the increase of record cell number, make described data transfer rate be higher than described rotational speed, so the limited size of said write speed is in described rotational speed.
Read/write head 22 writes to the writing speed of outer recording areas with described numerical data, and is faster than the writing speed of recording areas in writing to.Estimate that with the outmost turns radius of general optical disk about 3 times optical disk drives record or read the speed of discs outmost turns data is for record or read about 3 times of speed of the inner ring data of discs for inner ring radius.
See also Fig. 3, Fig. 3 is the difference of a discs 50 in order to explanation the inventive method and known technology.Below the digital information file that will write down a 325MB with a known CD-RW sheet 50 is an example, illustrates that the present invention improves the speed of the information record of CD drive.The data capacity of CD-RW sheet 50 is 650MB, and the digital information file size of desire record is 325MB, its just in time be two minutes of data capacity of discs 50 one.
Known method needs the inner ring 52 from discs 50, and beginning outwards is recorded to center section 54 places of discs.It is 2 centimetres that inner ring 52 has a radius R1.Equal 4.472 centimetres and center section 54 places have a radius R2, then radius R 1 and radius R 2 differ 2.472 centimetres (Δ r1).
The initial record cell that the inventive method is directly had on the outmost turns 56 of discs 50 begins, and described digital information file record is recorded on the discs 50 to inner ring by the outer ring.The complete recording light disc 50 of described digital information file need be recorded to the center section 54 of discs 50, its radius R 2 equals 4.472 centimeters.The outmost turns 56 of discs 50 has a radius R 3 and equals 6 centimetres, and radius R 3 differs 1.528 centimetres (Δ r2) with radius R 2.Compare with known method, the semidiameter Δ r1 of known method is 1.618 times of semidiameter Δ r2 of the present invention.Owing to come the rotary CD sheet with fixing rotational speed, thereby be directly proportional the needed time of this message file of optical disk drives record with semidiameter.Therefore promptly utilize known technology to write down the required time of this message file may utilize the present invention can significantly improve writing speed up to 1.618 times of the present invention.
Compare by the be situated between mode of inner ring opening entry of recording medium with known information recording method, information recording method of the present invention, directly the initial record cell of self-information recording medium on outer recording areas begins, digital information file inwardly is recorded on the recording medium in regular turn, can effectively improves the writing speed of existing information record carrier.
By the detailed description of above preferred specific embodiment, hope can be known description feature of the present invention and spirit more, and is not to come category of the present invention is limited with above-mentioned disclosed preferred specific embodiment.On the contrary, its objective is that hope can contain in the category of the claim that is disposed at institute of the present invention desire application of various changes and equivalence.
Claims (14)
1. information recording method that a digital information file is recorded in a carrier, described digital information file comprises a plurality of numerical datas, and described carrier has a plurality of predetermined recording unit, successively be distributed in proper order on the interior recording areas and an outer recording areas of described carrier, in order to write down the described numerical data of described digital information file, has an initial record cell on the described outer recording areas of described carrier, described information recording method begins from described home record unit, and a plurality of numerical datas of described digital information file are recorded on the described carrier by outer recording areas to interior recording areas in regular turn.
2. information recording method as claimed in claim 1, wherein said record cell are distributed in a plurality of circular track records, in order to write down described numerical data.
3. information recording method as claimed in claim 2, wherein said circular track record are concentrically ringed mode and are arranged on the described carrier.
4. information recording method as claimed in claim 1, wherein said record cell are distributed in a spiral fashion track record, in order to write down described numerical data.
5. information recording method as claimed in claim 1, wherein said information recording method utilizes an information record carrier so that described digital information file is recorded on the described carrier, described information record carrier includes a reading and writing control software, is used for controlling described information record carrier and writes or read described numerical data.
6. information recording method as claimed in claim 5, wherein said carrier are a disc discs, and described information record carrier is a CD drive.
7. information recording method as claimed in claim 6, wherein outside the described home record unit of described disc discs, has a block of information, in described block of information, store a capability correction zone and a program internal memory zone in advance, so that follow-up information record carrier can correctly read described digital information file after reading described capability correction zone and described program internal memory zone.
8. information recording method as claimed in claim 7, wherein said CD drive comprises:
One read/write head writes to described numerical data on the described discs in order to send a light beam, and
On described discs, read described numerical data;
One optical lens group in order to the light beam that described read/write head sent is focused on the described discs, and will focus on from described discs institute beam reflected, be received in order to follow-up interpretation by described read/write head;
One activates device, in order to activate described read/write head, described optical lens group and described discs, to write or to read described numerical data; And
One controller is in order to control described read/write head, described optical lens group and described actuating device;
Wherein said actuating device comprises a slide motor, begins the described home record unit of recording areas outside described discs in order to control described read/write head, inwardly described numerical data is write.
9. information recording method as claimed in claim 5, wherein, described reading and writing control software is controlled described slide motor, causes described slide motor to begin from the outer recording areas of discs, inwardly writes or read described digital information file.
10. information recording method as claimed in claim 9, wherein said actuating device further comprises a spindle drive motor module and rotates described discs with a rotational speed, described read/write head can be write to the described numerical data of desiring to write on the described discs, and described read/write head writes to the writing speed of the described outer recording areas of described discs with described numerical data, and is faster than the writing speed that writes to recording areas in described discs described.
11. information recording method as claimed in claim 10, wherein said controller can be the corresponding control command that writes with the described digital data conversion of desiring to write, and is sent to described read/write head to write to the discs in the described rotation with a data transfer rate.
12. information recording method as claimed in claim 11, wherein said read/write head writes to the writing speed of described discs with described numerical data, influenced by the data transfer rate of described controller and the rotational speed of described spindle drive motor module.
13. information recording method as claimed in claim 12, wherein said data transfer rate is higher than described rotational speed, and the limited size of said write speed is in described rotational speed.
14. information recording method as claimed in claim 1, recording areas increased gradually outside the number of wherein said record cell recording areas in described was extremely described, and transmit described numerical data with a data transfer rate, described data transfer rate increases along with the increase of the number of record cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021424179A CN100435234C (en) | 2002-09-17 | 2002-09-17 | Information recording method and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021424179A CN100435234C (en) | 2002-09-17 | 2002-09-17 | Information recording method and device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1484239A CN1484239A (en) | 2004-03-24 |
| CN100435234C true CN100435234C (en) | 2008-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021424179A Expired - Fee Related CN100435234C (en) | 2002-09-17 | 2002-09-17 | Information recording method and device thereof |
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| CN (1) | CN100435234C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101676888A (en) * | 2008-09-18 | 2010-03-24 | 茂晖科技股份有限公司 | Data storage protection device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6058086A (en) * | 1996-12-19 | 2000-05-02 | Lg Electronics, Inc. | Method and apparatus for testing quality of an optical disk medium |
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2002
- 2002-09-17 CN CNB021424179A patent/CN100435234C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6058086A (en) * | 1996-12-19 | 2000-05-02 | Lg Electronics, Inc. | Method and apparatus for testing quality of an optical disk medium |
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| CN1484239A (en) | 2004-03-24 |
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