CN1104000C - Tilt adjusting device for optical disk player - Google Patents
Tilt adjusting device for optical disk player Download PDFInfo
- Publication number
- CN1104000C CN1104000C CN97120492A CN97120492A CN1104000C CN 1104000 C CN1104000 C CN 1104000C CN 97120492 A CN97120492 A CN 97120492A CN 97120492 A CN97120492 A CN 97120492A CN 1104000 C CN1104000 C CN 1104000C
- Authority
- CN
- China
- Prior art keywords
- support
- spring
- optical head
- described support
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0956—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
To provide such a tilt adjusting device for adjusting a tilt angle formed by the optical disk and the optical axis of the pickup. The tilt adjusting device is constituted of a bracket that fixes a spindle motor and that serves as a guide at the time of tilt adjustment, the first and second axis which fixed on base for fixing blacket when adjusts the tilt angle, a fixing spring as a medium that fixes the spindle motor while its specific position is retained, a fixing screw that fixes the spindle motor by imparting a constant pressure to the fixing spring, an adjusting spring as a tilt adjusting medium installed between the second shaft and the bracket, and a tilt adjusting screw that adjusts the tilt angle while a constant force is applied to the adjusting spring.
Description
Technical field
The present invention relates to a kind of tilt adjustment device, especially relate to a kind of tilt adjustment device of CD player, it can regulate the pitch angle between CD and the optical head optical axis, therefore can and can write down and store data exactly on CD with high density.
Technical background
At present, because CD player does not comprise the device of regulating pitch angle between CD and the optical head optical axis, need strictly control the size of each associated components of CD player and also accurately produce product.So, cause the frequent generation of output reduction and substandard products.In addition, because can be with the development of the DVD product of high density write data, it is littler that data pits becomes, and make for the regulation at pitch angle than stricter about CD-ROM, therefore only the size of associated components carried out the strict pitch angle that is not enough to accurately regulate between CD and the optical head optical axis that limits.And the data that write that are stored in such cases on the CD can't be read.And may frequently make a mistake during the data that on reading CD, write.
The tilt adjustment device that the purpose of this invention is to provide a kind of CD player, it utilizes the elasticity of a plurality of tilt adjustment screws and spring to regulate pitch angle between CD and the optical head optical axis, and can be used for the micro drives device of notebook computer, therefore solved above-mentioned problem.
Summary of the invention
Another object of the present invention provides a kind of tilt adjustment device of CD player, and it can be read exactly and be stored in optical disc data, does not have wrong the generation when sense data.
In order to reach these and other purpose, the invention provides a kind of tilt adjustment device of CD player, to regulate the pitch angle between CD and the optical head optical axis, wherein, CD player comprises: the spindle motor of a rotating disc; One reads to be stored in the optical head of the data of optical disc surface when following the motion of mark direction or focus direction; And the support with the drive disk assembly that is used for flying optical head, this tilt adjustment device comprises: a support, be positioned at the below of described support, and described spindle motor is fixed on the described support; First, the one end is fixed on the described support, the other end is fixed on the described support by a gib screw and fixing spring, described fixing spring can be positioned described support and the spindle motor that is fixed on the described support for given position by described fixing spring when tightening described gib screw between described support and described gib screw; Second, the one end is fixed on the described support, the other end is connected on the described support by a regulating spring and a set screw, described regulating spring can be regulated the pitch angle of described support by the distortion of described regulating spring when turning described set screw between described second other end and described support.
Description of drawings
To the detailed description that the present invention carried out, the present invention may be better understood and advantage by the reference accompanying drawing, makes value of the present invention and advantage become apparent and easily and easily see.Identical label is represented same or analogous parts among the figure.Among the figure:
Constitutional diagram when Fig. 1 is installed in CD player for spindle motor and regulates the pitch angle between CD and optical head optical axis;
Fig. 2 is the detailed structure view of " A " indication structure among Fig. 1;
Fig. 3 is the detailed structure view of " B " indication structure among Fig. 1.
Embodiment
Below, with reference to accompanying drawing, specifically describe a most preferred embodiment of the present invention.At first, in all accompanying drawings, should notice that identical label representative has the identical or equivalent element of same purpose.In addition, will repeat no more known function and the structure that does not influence clearness of the present invention in the present invention.
Fig. 1 be installed on the CD player for spindle motor and regulate CD and the optical head optical axis between the constitutional diagram at pitch angle, Fig. 2 is the detailed structure view of " A " indication structure among Fig. 1, and Fig. 3 is the detailed structure of " B " indication structure among Fig. 1.
As shown in Figure 1, CD player mainly comprises: spindle motor 12, store the CD 10 of data with the given rotating speed rotation; Optical head 30 is read the data that exist on the CD 10 when it follows when mark direction or focus direction move; With a drive disk assembly, it is installed on the support, and optical head 10 is done reciprocating linear motion.Wherein, drive disk assembly comprises that the removable screw rod 46 that can read the optical head 30 that writes on the data on the CD 10 and one guided optical 30 when flying optical head 30 makes the axis of guide 32 of straight reciprocating motion, and the axis of guide is supported on the support 16.Under these circumstances, the two head rest bearing seats 36 of screw rod 46 and second screw 42 are fixing, and the axis of guide 32 is fixing by first screw 34.In addition, dragging motor 44 produces and drives power, and optical head 30 is done reciprocating linear motion along a side of screw rod 46.The driving force of dragging motor 44 is delivered to screw rod 46 through the rotation of first gear 38 and second gear 40.
In having the CD player of said structure, the device of regulating the pitch angle between CD 10 and the optical head optical axis has following structure.That is, as Figure 1-3, fixing spindle motor 12 and the support 14 that play the guiding role when regulating the pitch angle lower end that is assemblied in spindle motor 12 by given speed rotating disc 10.One first 18 and two second 24 by riveting the lower surface that is contained in support 16 regularly, fixed support 14 in the pitch angle of regulating between CD 10 and the optical head optical axis.
In addition, as shown in Figure 2, the fixing spring 20 that spindle motor 12 is positioned at a given position is contained in first 18 the lower surface of being equipped with of support 14.This moment, fixing spring 20 can replace can producing big acting force when in narrow space little displacement being arranged with leaf spring, fixedly two of bullet Huang 20 surfaces all contact with the lower surface of support 14, and the power of giving sizing that fixing spring 20 is produced is applied on the support 14.In addition, the gib screw 22 that will affact the fixing spring 20 of stationary spindle motor 12 to the pressure (pressure P) of sizing is embedded in the hole of first 18 1 end inside.
With reference to figure 3, similarly, regulating spring 26 is installed between second 24 and the support 14 as the device of regulating the pitch angle between CD 10 and the optical head optical axis.Here, regulating spring 26 can substitute with leaf spring, can produce big acting force for little displacement in small space.Two surfaces of regulating spring 26 all contact with the upper surface of support 14, thereby the power of giving sizing that tilt adjustment screw 28 is produced is applied to support 14.The tilt adjustment screw is inserted in second 24 the endoporus, regulates the position of spindle motor 12 in the scope with respect to the tiltangle of support 14, will pass to regulating spring 26 to the power of sizing owing to regulate the pitch angle of CD 10 and optical head optical axis.Then, as shown in fig. 1, tilt adjustment screw 28 has first a tilt adjustment screw 28a who regulates radial skew angle between CD 10 and the optical head optical axis, and it is positioned on the central shaft of set screw 28; Also have second a tilt adjustment screw 28b who regulates the tangential tilt angle between CD 10 and the optical head optical axis, it is positioned at the top of central shaft.
Specify embodiment of the invention CD player tilt adjustment device below and regulate the operating process at the pitch angle between CD and the optical head optical axis with said structure.
At first, shown in Fig. 2 and 3, be fixed on the support 16 first 18 end and insert on the support 14 and be equipped with on the surface of spindle motor 12, and the another side of support 14 is positioned at second 24 the lower surface that is installed on the support 16.Then, fixing spring 20 is contained between the support 14 and gib screw 22 that is embedded with first 18, and regulating spring 26 is contained between second 24 and the support 14.Like this, because the elasticity of regulating spring 26 makes support 14 inclination given angle (θ), i.e. tilt adjustment amounts.
Then, spindle motor 12 is installed on the support 16, tightens gib screw 22 simultaneously, produce an acting force P who makes progress.Then, the position that is equipped with the first tilt adjustment screw 28a is made as reference point, turn the first tilt adjustment screw 28a at leisure to regulate the radial skew angle between CD 10 and the optical head optical axis, press the second tilt adjustment screw 28b at leisure with the tangential tilt angle between adjusting CD 10 and optical head optical axis, thereby accurately harmonized in the pitch angle of CD player.
May be obvious that from foregoing description, the present invention is owing to using a plurality of tilt adjustment screws and can producing the leaf spring adjusting CD of big acting force and the pitch angle between the optical head optical axis for little displacement, so can accurately regulate the pitch angle of notebook computer micro drives device.In addition, leaf spring is rack-mount with the stationary spindle motor, the vibration that produces in the time of can being absorbed in high-speed motion, and have the dustproof effect.In addition,, will no longer make a mistake when reading the data that are stored on the CD since the pitch angle between CD and the optical head optical axis can accurately be regulated, therefore, reading of data exactly.
Obviously, the present invention is not limited to conduct herein and implements a most preferred embodiment of the present invention, also is not limited to the specific embodiment in the instructions, and the present invention is indicated in the appended claims.
Claims (5)
1. regulate in the CD player tilt adjustment device at pitch angle between the CD and optical head optical axis for one kind, described CD player comprises: the spindle motor that rotates described CD; Follow and read the optical head that is stored in the data on the described optical disc surface when mark direction or focus direction move; And the support with the drive disk assembly that moves described optical head, it is characterized in that described regulating device comprises:
A support is positioned at the below of described support, and described spindle motor is fixed on the described support;
First, the one end is fixed on the described support, the other end is fixed on the described support by a gib screw and fixing spring, described fixing spring can be positioned described support and the spindle motor that is fixed on the described support for given position by described fixing spring when tightening described gib screw between described support and described gib screw;
Second, the one end is fixed on the described support, the other end is connected on the described support by a regulating spring and a set screw, described regulating spring can be regulated the pitch angle of described support by the distortion of described regulating spring when turning described set screw between described second other end and described support.
2. according to the described device of claim 1, it is characterized in that, described first and described second by riveted and fixed be installed on the described support.
3. according to the described device of claim 1, it is characterized in that, comprise two second, described tilt adjustment screw comprise the first tilt adjustment screw of regulating radial skew angle between described CD and the optical head optical axis and regulate described CD and the optical head optical axis between the second pitch angle set screw of tangential tilt angle.
4. according to the described device of claim 1, it is characterized in that described fixing spring and described regulating spring comprise the leaf spring that can produce big acting force at small space for little displacement.
5. according to the described device of claim 4, it is characterized in that the surface of described fixing spring and described regulating spring all contacts with the surface of described support.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR57209/1996 | 1996-11-25 | ||
| KR1019960057209A KR100194941B1 (en) | 1996-11-25 | 1996-11-25 | Tilt adjuster of optical disc player |
| KR57209/96 | 1996-11-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1183615A CN1183615A (en) | 1998-06-03 |
| CN1104000C true CN1104000C (en) | 2003-03-26 |
Family
ID=19483465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97120492A Expired - Fee Related CN1104000C (en) | 1996-11-25 | 1997-10-21 | Tilt adjusting device for optical disk player |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH10162372A (en) |
| KR (1) | KR100194941B1 (en) |
| CN (1) | CN1104000C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3509596B2 (en) * | 1998-02-06 | 2004-03-22 | ティアック株式会社 | Pickup adjustment mechanism |
| JP4075174B2 (en) * | 1998-12-25 | 2008-04-16 | ソニー株式会社 | Disk drive device and head feed mechanism thereof |
| JP3753593B2 (en) | 2000-05-31 | 2006-03-08 | 富士通株式会社 | Storage device |
| KR20030076895A (en) * | 2002-03-23 | 2003-09-29 | 삼성전자주식회사 | Tilt adjusting apparatus for optical disc driver and optical disc driver using it |
| JP3627928B2 (en) | 2002-04-17 | 2005-03-09 | 船井電機株式会社 | Optical pickup |
| JP4175228B2 (en) * | 2003-09-22 | 2008-11-05 | ソニー株式会社 | Recording medium driving method and recording medium driving apparatus |
| JP2006164345A (en) * | 2004-12-03 | 2006-06-22 | Yamaha Corp | Pickup angle adjustment mechanism of optical disk device |
| CN100433149C (en) * | 2005-09-23 | 2008-11-12 | 上海乐金广电电子有限公司 | Device for correcting inclination of CD driver |
-
1996
- 1996-11-25 KR KR1019960057209A patent/KR100194941B1/en not_active IP Right Cessation
-
1997
- 1997-10-21 CN CN97120492A patent/CN1104000C/en not_active Expired - Fee Related
- 1997-10-23 JP JP9290907A patent/JPH10162372A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR100194941B1 (en) | 1999-06-15 |
| CN1183615A (en) | 1998-06-03 |
| KR19980038326A (en) | 1998-08-05 |
| JPH10162372A (en) | 1998-06-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030326 Termination date: 20131021 |