CN1296913C - Apparatus for reducing offset of optical disc broadcaster - Google Patents
Apparatus for reducing offset of optical disc broadcaster Download PDFInfo
- Publication number
- CN1296913C CN1296913C CNB2003101081614A CN200310108161A CN1296913C CN 1296913 C CN1296913 C CN 1296913C CN B2003101081614 A CNB2003101081614 A CN B2003101081614A CN 200310108161 A CN200310108161 A CN 200310108161A CN 1296913 C CN1296913 C CN 1296913C
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- supporting board
- mentioned
- light pick
- electric motor
- 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
Links
Images
Landscapes
- Moving Of Heads (AREA)
Abstract
The present invention aims to design an offset reducing device for an optical disc player, which comprises a supporting plate for an optical pickup device, supporting plates for a rotating shaft motor, connecting bolts, a connecting and supporting part, and an elastic component, wherein the supporting plates for a rotating shaft motor are arranged at the lower part of the supporting plate for an optical pickup device in parallel; the supporting plate for an optical pickup device is vertically connected with the supporting plates for a rotating shaft motor by the connecting bolts; the connecting and supporting part is provided with the circular springs of the connecting and supporting part for connecting the supporting plate for an optical pickup device and the supporting plates for a rotating shaft motor; the supporting plate for an optical pickup device and the supporting plates for a rotating shaft motor are connected by the elastic component so that the supporting plate for an optical pickup device generates horizontal force to the supporting plates for a rotating shaft motor so as to reduce the offset flow of the connecting and supporting part. The offset reducing device for an optical disc player of the present invention can reduce offset by allowing the spaces between the supporting plate for an optical pickup device and the connecting bolts.
Description
(1) technical field
The invention relates to the Disc player offset lowering device, more detailed theory, be about a kind of by allowing light pick-up supporting board and the connection interval between fastening, reduce a kind of Disc player offset lowering device of skew.
(2) background technology
CD is as a kind of memory media that utilizes light to come recorded information, be meant canned data on discoidal CD, and so-called disk player is meant that on CD irradiation by the laser of optically focused, reads its reflectivity then, and the phase place of the light of reflex time or polarisation change the information of reading.
The light picker of disk player is as the core component of disc drives, be by irradiating laser to CD, read or record data.
The inclination of disk player refers to the degree that angle that the reflecting surface of the optical axis of pick-up and CD forms departs from vertical direction.This inclination can cause play signal to produce shake, and makes signal Processing become very difficult, and then becomes the reason that produces mistake when playing recorded information on CD.In order to reduce this type of inclination, disk player generally possesses recliner, and the angle that the amount of its meeting perceived inclination is regulated light picker then automatically makes it can adapt to this CD.
The difference of the pick-up guide shaft that the skew of disk player is meant the light picker transfer device to the bee-line of the central shaft of light picker and pick-up guide shaft to the central shaft bee-line of rotating shaft.This skew will become when playing on the CD tracer signal, produces wrong reason.Therefore, need a kind of device that can reduce this skew.
Fig. 1 and Fig. 2 are the structural drawing of existing disk player.Fig. 1 is the planimetric map of disk player, and Fig. 2 is the sectional view that connects support sector.
As shown in Figure 1, existing disk player comprises: light pick-up supporting board 1, and the side middle body is provided with rectangular light picker 5 and moves hole 6 within it, and the side in mobile hole 6 is provided with rotating shaft electric motor 8 through holes; Guide shaft 9 is arranged on the through hole left and right sides that is provided with the light pick-up supporting board 1 of above-mentioned rotating shaft electric motor 8 through holes in four limits that above-mentioned rectangular light picker 5 moves hole 6; Light picker 5 can carry out straight reciprocating motion around this light picker guide shaft 9; Rotating shaft electric motor support plate 2 is set in parallel in the bottom of light pick-up supporting board 1; (3a, 3b 3c), connect above-mentioned support plate 1 and above-mentioned rotating shaft electric motor support plate 2 in 3 connection support sectors; Inclination adjusting device 7 is regulated the inclination of CD.
As shown in Figure 2, (3a, 3b 3c) comprise coupling bar 31, are fixed on the rotating shaft electric motor support plate 2 to connect support sector; Screw 33, make be connected to top light pick-up supporting board 1 can be in above-mentioned coupling bar 31 enterprising line slips but can not come off from the above-mentioned screw 33 that is used for fixing; Spring 32 is inserted on the above-mentioned coupling bar 31, and elasticity is supported above-mentioned light pick-up supporting board 1 and rotating shaft electric motor support plate 2.
Inclination adjusting device 7 moves up and down an end of light pick-up supporting board 1, regulates the inclination of light picker 5.Then, light pick-up supporting board 1 is rotated coupling bar 31 along as shown in Figure 2 arrow and moves.In order to allow light pick-up supporting board 1 carry out above-mentioned rotatablely moving, need interval to a certain degree between light pick-up supporting board 1 and the coupling bar 31.
But, because the interval between light pick-up supporting board 1 and the coupling bar 31 makes that light pick-up supporting board 1 inevitably can moving with respect to rotating shaft engine support plate 2 generations horizontal direction to a certain degree.So, when light pick-up supporting board 1 along carrying out not having problems when mobile, if just along carrying out will producing the problem that skew occurs when mobile with the vertical direction of light picker guide shaft 9 with the parallel direction of light picker guide shaft 9.
(3) summary of the invention
Therefore, the present invention carries out in order to address the above problem just.The object of the present invention is to provide a kind of Disc player offset lowering device, it is by allowing light pick-up supporting board and the connection interval between fastening to reduce skew.
To achieve these goals, Disc player offset lowering device of the present invention is characterized in comprising: light pick-up supporting board and rotating shaft electric motor support plate are set in parallel in above-mentioned light pick-up supporting board bottom; Coupling bar makes above-mentioned light pick-up supporting board to interconnect at vertical direction and above-mentioned rotating shaft electric motor support plate; Connect support sector, possess be used to connect light pick-up supporting board and rotating shaft electric motor support plate be connected support sector's coil component spring; Elastomeric element connects above-mentioned light pick-up supporting board and rotating shaft electric motor support plate, realizes producing horizontal force to above-mentioned rotating shaft electric motor support plate from above-mentioned light pick-up supporting board, flows with the skew that reduces above-mentioned connection support sector.
In addition, an end of above-mentioned elastomeric element is fixed on above-mentioned light pick-up supporting board, and the other end is fixed on above-mentioned rotating shaft engine support plate.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
(4) description of drawings
Fig. 1 and Fig. 2 are the structural drawing of existing disk player, and wherein: Fig. 1 is the planimetric map of disk player, and Fig. 2 is the sectional view that connects support sector.
Fig. 3 to Fig. 6 is the structural drawing of one embodiment of the present of invention, wherein:
Fig. 3 is the planimetric map of disk player;
Fig. 4 is the sectional view of coil component spring of the present invention;
Fig. 5 is the sectional view of the connection support sector under the skew generation state;
Fig. 6 connects the sectional view of support sector down for skew elimination state.
(5) embodiment
As shown in Figure 3, disk player of the present invention comprises: light pick-up supporting board 1, and the side middle body is provided with rectangular light picker 5 and moves hole 6 within it, and the side in mobile hole 6 is provided with rotating shaft electric motor 8 through holes; Guide shaft 9 is arranged on the through hole left and right sides that is provided with the light pick-up supporting board 1 of above-mentioned rotating shaft electric motor 8 through holes in four limits that above-mentioned rectangular light picker 5 moves hole 6; Light picker 5 can carry out straight reciprocating motion around guide shaft 9; Rotating shaft electric motor support plate 2,2 of bottoms that are set in parallel in light pick-up supporting board 1 connect support sector, and (3a 3b), connects above-mentioned support plate 1 and above-mentioned rotating shaft electric motor support plate 2; Inclination adjusting device 7 is regulated the inclination of CD.
(3a 3b) comprises coupling bar 31, is fixed on the rotating shaft electric motor support plate 2 to connect support sector; Screw 33, make be connected to top light pick-up supporting board 1 can be in above-mentioned coupling bar 31 enterprising line slips but can not come off from the above-mentioned screw 33 that is used for fixing; Spring 32 is inserted on the above-mentioned coupling bar 31, and elasticity is supported above-mentioned light pick-up supporting board 1 and rotating shaft electric motor support plate 2.
As mentioned above, disk player of the present invention is close with the structure of existing apparatus basically, just has following difference with prior art on constituting:
As shown in Figure 4, coil spring 4 is obliquely installed on light pick-up supporting board 1 and rotating shaft electric motor support plate 2.Therefore, coil spring 4 can play simultaneously and light pick-up supporting board 1 is fixed to the effect on the rotating shaft electric motor support plate 2 and light pick-up supporting board 1 is fixed to effect on the coupling bar 31 that connects support sector (3a, 3b).Here, the elastomeric element beyond the coil spring 4 can be replaced, and except that embodiment shown in Figure 4, also can use and bring into play horizontal force light pick-up supporting board 1 is fixed to other structures on the coupling bar 31.
(the connection support sector (3c) that existing inclination adjusting device 7 is exerted pressure in 3c) is because there has been coil spring 4 to replace carrying out its effects, so it can be removed from embodiments of the invention for 3a, 3b to connect support sector.
To the operation of embodiments of the invention be described below.
4 pairs of light picker support sectors of coil spring (3a, 3b) apply tractive force 34.In addition, above-mentioned tractive force 34 is diagonal because of it, so can be decomposed into horizontal force 36 and vertical power 35.
The effect of the vertical power 35 of tractive force 34 as previously shown, is used for connecting light pick-up supporting board 1 and rotating shaft electric motor support plate 2.Therefore, inclination adjusting device 7 is light pick-up supporting board 1, as shown in Figure 4, carry out the counter clockwise direction rotation after, clockwise return will realize by the vertical power 35 of tractive force 34.
The horizontal force 36 of tractive force can help reducing skew.
As shown in Figure 5, when skew takes place, the horizontal force 36 of above-mentioned tractive force 34 can be decomposed into radial force 37 and circumferential force 38 again on the contact point of coupling bar 31 and light pick-up supporting board 1, above-mentioned radial force 37 can not exert an influence to the motion of light pick-up supporting board 1, above-mentioned circumferential force 38 can make light pick-up supporting board 1 motion disappear up to its circumferential force 38 always, i.e. offset vanishes.
In sum, Disc player offset lowering device of the present invention, the interval between can fastening by permission light pick-up supporting board and connection reduces skew.
Though the present invention describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, under the situation that does not break away from spirit of the present invention, also can make the variation and the modification of various equivalences, therefore, as long as variation, the modification to the foregoing description all will drop in the scope of claims of the present invention in connotation scope of the present invention.
Claims (2)
1. Disc player offset lowering device is characterized in that comprising:
Light pick-up supporting board and rotating shaft electric motor support plate are set in parallel in above-mentioned light pick-up supporting board bottom;
Coupling bar makes above-mentioned light pick-up supporting board to interconnect at vertical direction and above-mentioned rotating shaft electric motor support plate;
Connect support sector, possess be used to connect light pick-up supporting board and rotating shaft electric motor support plate be connected support sector's coil component spring;
Elastomeric element connects above-mentioned light pick-up supporting board and rotating shaft electric motor support plate, realizes producing horizontal force to above-mentioned rotating shaft electric motor support plate from above-mentioned light pick-up supporting board, flows with the skew that reduces above-mentioned connection support sector.
2. Disc player offset lowering device as claimed in claim 1 is characterized in that: an end of above-mentioned elastomeric element is fixed on above-mentioned light pick-up supporting board, and the other end is fixed on above-mentioned rotating shaft electric motor support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101081614A CN1296913C (en) | 2003-10-24 | 2003-10-24 | Apparatus for reducing offset of optical disc broadcaster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101081614A CN1296913C (en) | 2003-10-24 | 2003-10-24 | Apparatus for reducing offset of optical disc broadcaster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1609962A CN1609962A (en) | 2005-04-27 |
| CN1296913C true CN1296913C (en) | 2007-01-24 |
Family
ID=34758484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101081614A Expired - Fee Related CN1296913C (en) | 2003-10-24 | 2003-10-24 | Apparatus for reducing offset of optical disc broadcaster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1296913C (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1440026A (en) * | 2002-02-20 | 2003-09-03 | 三星电子株式会社 | Actuator of optical pickup device, optical pickup device using the same and record reproducing device |
-
2003
- 2003-10-24 CN CNB2003101081614A patent/CN1296913C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1440026A (en) * | 2002-02-20 | 2003-09-03 | 三星电子株式会社 | Actuator of optical pickup device, optical pickup device using the same and record reproducing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1609962A (en) | 2005-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9489987B1 (en) | Manufacturing process for a disk drive aperture channel | |
| JP5165252B2 (en) | Hard disk drive | |
| EP1879183B1 (en) | Head stack assembly and hard disk drive having the same | |
| JP3865684B2 (en) | Hard disk drive | |
| CN101047015A (en) | Disk drive and head assembly used in the same | |
| CN1767041A (en) | Disk drive device | |
| CN101136210A (en) | Head gimbal assembly and hard disk drive having the same | |
| KR100518591B1 (en) | Filtering apparatus for disk drive | |
| CN1296913C (en) | Apparatus for reducing offset of optical disc broadcaster | |
| US6577468B2 (en) | Tubular gasket for a disc drive | |
| US20050264928A1 (en) | Disk spacer and spindle motor assembly employing the same | |
| CN1332376C (en) | Head suspension assembly and disk device provided with the same | |
| JP2008021403A (en) | Head stack assembly and hard disk drive | |
| KR100524981B1 (en) | Actuator with absorption filter and disk drive having the same | |
| US20040268375A1 (en) | High-precision positioning apparatus | |
| KR20100118332A (en) | Head stack assembly, hard disk drive with the hsa, and method for reducing off-track of the hard disk drive | |
| JPH06243408A (en) | Magnetic disk drive | |
| KR20090023985A (en) | Arm blade, head stack assembly with the arm blade, and hard disk drive with the head stack assembly | |
| CN101059979A (en) | Bulk erase tool | |
| CN101059961A (en) | Method for utilizing a bulk erase tool to erase perpendicularly recorded media | |
| KR100674942B1 (en) | Actuator of hard disk drive, and method for manufacturing the same | |
| US7859851B2 (en) | Flexible printed circuit and bracket structure for hard disk drive | |
| KR100510540B1 (en) | Actuator with recirculation filter and disk drive having the same | |
| KR100251949B1 (en) | Disk clamping device of hard-disk drive | |
| KR20030084506A (en) | Apparatus for reducing offset in optical disk player |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20070124 Termination date: 20091124 |