CN1297957C - Method for storing correction data to circuit board and CD driver implementing the method - Google Patents
Method for storing correction data to circuit board and CD driver implementing the method Download PDFInfo
- Publication number
- CN1297957C CN1297957C CNB2004100039188A CN200410003918A CN1297957C CN 1297957 C CN1297957 C CN 1297957C CN B2004100039188 A CNB2004100039188 A CN B2004100039188A CN 200410003918 A CN200410003918 A CN 200410003918A CN 1297957 C CN1297957 C CN 1297957C
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- correction data
- ray machine
- circuit board
- combined body
- pattern plate
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Abstract
The present invention relates to an optical drive which is used for accessing an optical disc. The optical drive comprises an optical/mechanical assembly (OMA) body and a special pattern plate, wherein an optical characteristics calibration data of the optical/mechanical assembly body is established in the specific pattern plate, and the special pattern plate is arranged on the optical/mechanical assembly body.
Description
Technical field
The present invention relates to a kind of CD-ROM drive, and be particularly related to a kind of CD-ROM drive that is used in the digital versatile disc burning player (DVD-R/RW).
Background technology
Present popular on the market digital versatile disc player (Digital Versatile DiscPlayer, DVD Player), many machines have the function of writable CD gradually, this kind simultaneously tool can be play and the digital versatile disc player of function such as writable CD, generally is loosely referred to as digital versatile disc burning player (DVD-R/RW).
Tool can read the CD-ROM drive with the burning CD function, is the heart of digital versatile disc burning player.CD-ROM drive then comprises the ray machine combined body, and (Optical/Mechanical Assembly is OMA) with control circuit board two parts.For guaranteeing the quality of CD baking, when the CD to different labels, different qualities carries out burning, usually, on the control circuit board that uses with ray machine combined body collocation, all can store one group of capability correction data (calibration data of laser power) by the institute of the optical read/write head on ray machine combined body emitted laser bundle.
And when the CD of ray machine combined body in the different qualities of burning tool, control circuit board can make the calibrated laser beam of optical read/write head emission of ray machine combined body according to stored capability correction data, CD is carried out the action of burning.
Please refer to Fig. 1, it illustrates is the process flow diagrams of the capability correction data of traditional storage laser beam to the method for control circuit board.At first, in step 110, the capability correction data of laser beam that begin to store the ray machine combined body are to control circuit board.Then, in step 120, finish the assembling of ray machine combined body and control circuit board earlier, ray machine combined body and control circuit board are electrically connected, make the two be CD-ROM drive through assembling.
Then, in step 130, the power of the optical read/write head institute emitted laser bundle of measuring light machine combination body.Afterwards, in step 140, proofread and correct the power of this laser beam, to obtain the capability correction data of laser beam.Then, in step 150, store these capability correction data to control circuit board.At last, in step 160, the capability correction data of the laser beam of end storage ray machine combined body are to control circuit board.
By the capability correction data of above-mentioned traditional storage laser beam to the method for control circuit board as can be known, the capability correction data that store laser beam are to control circuit board, carry out after normally formerly finishing the assembling of ray machine combined body and control circuit board.
And, the CD-ROM drive (assembling ray machine combined body and control circuit board make it become CD-ROM drive) of each through assembling, the capability correction data of its Laser Measurement bundle all can be different, hereat, each CD-ROM drive must be measured the capability correction data of its laser beam individually, and these capability correction data is inputed in the control circuit board of CD-ROM drive and stored.
And work as for conveniently transporting and save shipment and delivery cost, and have to ray machine combined body and control circuit board to separate the mode of packing, be transported to client in batches, and, under client does not have instrument situation in order to the capability correction data of the laser beam of measuring light read/write head, will definitely use the method for the capability correction data of above-mentioned traditional storage laser beam, store the capability correction data of laser beam to control circuit board.
Summary of the invention
In view of this, purpose of the present invention is exactly in the method that provides a kind of capability correction data that store laser beam to control circuit board and implements the CD-ROM drive of this kind method, under the situation that makes the ray machine combined body formerly separate, just assemble afterwards with control circuit board, still be able to capability correction data, be stored to control circuit board in order to the running of control ray machine combined body with the optical read/write head institute emitted laser bundle of ray machine combined body.
According to above-mentioned purpose, the present invention proposes a kind of CD-ROM drive, in order to access one CD.This CD-ROM drive comprises a ray machine combined body and a special pattern plate.It for example is the access element of optical read/write head that the ray machine combined body has one, and this optical read/write head is with the access CD by emission one laser beam.Have the capability correction data of optical read/write head institute emitted laser bundle in the special pattern plate, this special pattern plate is arranged on the ray machine combined body.
The CD-ROM drive of the invention described above can comprise that more one for example is the Control Component of control circuit board.This control circuit board is in order to be built in the capability correction data of special pattern plate in reading and storing.And this control circuit board is to electrically connect with the ray machine combined body, and control circuit board is can be according to stored capability correction data, to make the calibrated laser beam of optical read/write head emission.
According to above-mentioned purpose, the present invention proposes a kind of method that stores the capability correction data of laser beam to control circuit board in addition.The method comprises: at first, measure the power of the laser beam that an access element of a ray machine combined body launches.Then, proofread and correct the power of this laser beam, to obtain the capability correction data of laser beam.Then, built-in capability correction data to special pattern plate, and this special pattern plate is arranged on the ray machine combined body.And, at last, be built in capability correction data to a control circuit board of special pattern plate in reading and storing.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
The accompanying drawing summary
Fig. 1 shows the process flow diagram of the capability correction data of traditional storage laser beam to the method for control circuit board.
Fig. 2 shows the stereographic map of the CD-ROM drive of preferred embodiment of the present invention.
Fig. 3 shows the overlooking and side view of the ray machine combined body that is provided with the special pattern plate of Fig. 2.
Fig. 4 shows the process flow diagram of the capability correction data of storage laser beam of the present invention to the method for control circuit board.
Fig. 5 shows the process flow diagram of storage optical characteristics correction data of the present invention to the method for control circuit board.
The reference numeral explanation
200: CD-ROM drive
205: the ray machine combined body
210: the special pattern plate
215: control circuit board
220: optical read/write head
Embodiment
The present invention is described in detail with a preferred embodiment.Yet this embodiment can't do limit to the scope of institute of the present invention desire protection.Embodiment in this article only stores correction data to the method for circuit board and implement the CD-ROM drive of this kind method for a kind of under the invention spirit of the present invention.Below, earlier technical characterstic of the present invention is described in detail.
Please be simultaneously with reference to Fig. 2 and Fig. 3.Fig. 2 shows the stereographic map of the CD-ROM drive of preferred embodiment of the present invention, and Fig. 3 shows the overlooking and side view of the ray machine combined body that is provided with the special pattern plate of Fig. 2.The CD-ROM drive 200 that can be used in the digital versatile disc burning player of the present invention is in order to the access CD.CD-ROM drive 200 includes ray machine combined body 205, special pattern plate 210 and for example is the Control Component of control circuit board 215.Ray machine combined body 205 is that to have for example be the access element of optical read/write head 220.Optical read/write head 220 is with the access CD by emission of lasering beam.
It should be noted that shown in Fig. 2 and to be ray machine combined body 205 and control circuit board 215 situation when separating.For being transported to client with control circuit board 215 in the mode of separating packing in response to ray machine combined body 205, the situation of assembling in client more afterwards, the present invention is the capability correction data of elder generation with 220 emitted laser bundles of optical read/write head, and is built-in to special pattern plate 210.
And, to have the special pattern plate 210 of the capability correction data of laser beam in this, for example, can have on the special pattern plate 210 as the special pattern as the bar code, before ray machine combined body 205 and control circuit board 215 are assembled, be arranged on earlier on the ray machine combined body 205.
Afterwards, after being transported to client when ray machine combined body separated from one another 205 and control circuit board 215, again with ray machine combined body 205 with control circuit board 215 assemblings and be electrically connected, to become CD-ROM drive 200.
At this moment, control circuit board 215 can be in order to be built in the capability correction data of special pattern plate 210 in reading and storing.And control circuit board 215 is can be according to stored capability correction data, to make the calibrated laser beam of optical read/write head 220 emissions.
Therefore, by the practice in the preferred embodiment of implementing the invention described above, can be with the ray machine combined body 205 and control circuit board 215 of originally separating, be transported to client, and after client just makes up, row is built in the capability correction data of the laser beam of special pattern plate 210 with simple, the cheap equipment that reads bar code in reading again, these capability correction data is deposited in to think in the control circuit board 215 that control circuit board 215 control ray machine combined body 205 are used then.
The above-mentioned special pattern plate of being addressed in an embodiment 210 is to be arranged on the position that any on the ray machine combined body 205 conveniently reads the equipment that reads special pattern plate 210.For example, special pattern plate 210 as shown in Figure 2 is the sides that are arranged on ray machine combined body 205 in the mode that attaches.
And, special pattern plate 210 also can not need be configured on the ray machine combined body 205, and as long as with ray machine combined body 205, or the control circuit board 215 corresponding with ray machine combined body 205, be transported to client, any way that makes client conveniently read the correction data of the laser power in the special pattern plate 210 all can.
More detailed for asking the practice that makes the foregoing description to be able to, below further propose a kind of method and be illustrated the present invention.Please be simultaneously with reference to Fig. 2 and Fig. 4, the process flow diagram that is the capability correction data of storage laser beam of the present invention to the method for control circuit board shown in Figure 4.At first, in step 410, the capability correction data of laser beam that begin storage ray machine combined body 205 of the present invention are to control circuit board 215.Then, in step 420, the power of 220 emitted laser bundles of optical read/write head of measuring light machine combination body 205.
Then, in step 430, with the power of this laser beam of instrumental correction, to obtain the capability correction data of laser beam.Afterwards, in step 440, built-in these capability correction data are to special pattern plate 210, and special pattern plate 210 is arranged on the ray machine combined body 205.
Then, in step 450, ray machine combined body 205 and control circuit board 215 are fitted together, or, ray machine combined body 205 and control circuit board 215 are electrically connected.And the capability correction data of building special pattern plate 210 in reading and storing in are to control circuit board 215.At last, in step 460, the capability correction data of laser beam that finish storage ray machine combined body 205 of the present invention are to control circuit board 215.
Then, with ray machine combined body 205 separate with control circuit board 215 be transported to client after, being built in reading and store with control circuit board 215 again in the special pattern plate 210 for example is the optical characteristics correction data of the capability correction data of laser beam.
And after control circuit board 215 and ray machine combined body 205 electrically connected, control circuit board 215 was can be according to stored optical characteristics correction data, to make 205 runnings of ray machine combined body.
And the storage method of CD-ROM drive correspondence therewith, can be simultaneously with reference to Fig. 2 and Fig. 5, the process flow diagram that is storage optical characteristics correction data of the present invention to the method for control circuit board shown in Figure 5.At first, in step 510, the optical characteristics correction data that begins storage ray machine combined body 205 of the present invention is to control circuit board 215.Then, in step 520, an optical characteristics of measuring light machine combination body 205.
Then, in step 530, with this optical characteristics of instrumental correction, to obtain the correction data of this optical characteristics.Afterwards, in step 540, built-in this optical characteristics correction data is to special pattern plate 210, and special pattern plate 210 is arranged on the ray machine combined body 205.
Then, in step 550, ray machine combined body 205 and control circuit board 215 are fitted together, or, ray machine combined body 205 and control circuit board 215 are electrically connected.And the optical characteristics correction data that is built in special pattern plate 210 in reading and storing is to control circuit board 215.At last, in step 560, the optical characteristics correction data that finishes storage ray machine combined body 205 of the present invention is to control circuit board 215.
Therefore, the storage correction data of the invention described above is to the method for circuit board and implement the CD-ROM drive of this kind method, has following advantage: can be transported to client with ray machine combined body and control circuit board to separate the mode of packing in batches.Then, again client with the equipment of simple cheap, with utmost point method easily, measure the capability correction data of the laser beam of optical read/write head, and this correction data be stored in the control circuit board.This can make ray machine combined body and control circuit board conveniently be transported, and can save many costs that transport.
In sum; though the present invention discloses as above with embodiment; right its is not in order to limit the present invention; anyly have the knack of this skill person; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking accompanying the claim person of defining.
Claims (9)
1. CD-ROM drive, in order to the access CD, this CD-ROM drive comprises:
The ray machine combined body;
The special pattern plate, in have the optical characteristics correction data of this ray machine combined body, this special pattern plate is arranged on this ray machine combined body; And
The Control Component that separates with this ray machine combined body is in order to be built in this optical characteristics correction data of this special pattern plate in reading and storing.
2. CD-ROM drive as claimed in claim 1, wherein, this Control Component and this ray machine combined body electrically connect, and this Control Component can be according to this stored optical characteristics correction data, to make this ray machine combined body running.
3. CD-ROM drive as claimed in claim 1, wherein, this Control Component is a control circuit board.
4. CD-ROM drive, in order to the access CD, this CD-ROM drive comprises:
The ray machine combined body has access element, this access element by emission of lasering beam with this CD of access;
The special pattern plate, in have the capability correction data of this laser beam that this access element launches, this special pattern plate is arranged on this ray machine combined body; And
The Control Component that separates with this ray machine combined body is in order to be built in these capability correction data of this special pattern plate in reading and storing.
5. CD-ROM drive as claimed in claim 4, wherein, this Control Component and this ray machine combined body electrically connect, and this Control Component can be according to these stored capability correction data, to make this calibrated laser beam of this access element emission.
6. CD-ROM drive as claimed in claim 4, wherein, this Control Component is a control circuit board.
7. CD-ROM drive as claimed in claim 4, wherein, this access element is an optical read/write head.
8. method that stores the optical characteristics correction data to control circuit board comprises:
The optical characteristics of measuring light machine combination body;
Proofread and correct this optical characteristics, to obtain the optical characteristics correction data;
Built-in this optical characteristics correction data is to the special pattern plate, and this special pattern plate is arranged on this ray machine combined body; And
This optical characteristics correction data that is built in this special pattern plate in reading and storing is to control circuit board.
9. method that stores the capability correction data of laser beam to control circuit board comprises:
The power of the access element institute emitted laser bundle of measuring light machine combination body;
Proofread and correct the power of this laser beam, to obtain the capability correction data of this laser beam;
Built-in these capability correction data are to the special pattern plate, and this special pattern plate is arranged on this ray machine combined body; And
These capability correction data that are built in this special pattern plate in reading and storing are to control circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100039188A CN1297957C (en) | 2004-02-10 | 2004-02-10 | Method for storing correction data to circuit board and CD driver implementing the method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100039188A CN1297957C (en) | 2004-02-10 | 2004-02-10 | Method for storing correction data to circuit board and CD driver implementing the method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1655244A CN1655244A (en) | 2005-08-17 |
| CN1297957C true CN1297957C (en) | 2007-01-31 |
Family
ID=34891976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100039188A Expired - Fee Related CN1297957C (en) | 2004-02-10 | 2004-02-10 | Method for storing correction data to circuit board and CD driver implementing the method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1297957C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0210629A2 (en) * | 1985-07-29 | 1987-02-04 | Kabushiki Kaisha Toshiba | An information-processing apparatus |
| CN1243308A (en) * | 1998-07-27 | 2000-02-02 | 日本先锋公司 | Information recording apparatus |
| CN1412746A (en) * | 2001-10-16 | 2003-04-23 | 明碁电通股份有限公司 | Method for defining optical writing-in powder and its optical disk access system |
-
2004
- 2004-02-10 CN CNB2004100039188A patent/CN1297957C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0210629A2 (en) * | 1985-07-29 | 1987-02-04 | Kabushiki Kaisha Toshiba | An information-processing apparatus |
| CN1243308A (en) * | 1998-07-27 | 2000-02-02 | 日本先锋公司 | Information recording apparatus |
| CN1412746A (en) * | 2001-10-16 | 2003-04-23 | 明碁电通股份有限公司 | Method for defining optical writing-in powder and its optical disk access system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1655244A (en) | 2005-08-17 |
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Granted publication date: 20070131 Termination date: 20110210 |