CN100582844C - Built-in optical focusing lens structure - Google Patents
Built-in optical focusing lens structure Download PDFInfo
- Publication number
- CN100582844C CN100582844C CN200610157535A CN200610157535A CN100582844C CN 100582844 C CN100582844 C CN 100582844C CN 200610157535 A CN200610157535 A CN 200610157535A CN 200610157535 A CN200610157535 A CN 200610157535A CN 100582844 C CN100582844 C CN 100582844C
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- circuit board
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- rotor
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Abstract
An insertion type of optical focusing lens structure comprises a circuit board, a stator mounted on the circuit board, a rotator mounted in the stator, a lens contained in the rotator and an outer shell mounted surrounding the stator. The outer shell is in a rectangular columnar shape; the stator comprises a coil seat, a coil which is winded around the coil seat and a base seat supporting the coil seat. The four corners of the base seat are arranged with conductors which are connected electrically with the circuit board; the wire head of the coil are respectively connected with the conductors inside the outer shell; the coil is connected electrically with the circuit board; which avoids the external connection of wire on the coil. The structure is systematized; the mounting process is simplified; the manufacture cost is reduced; the invention is beneficial to the batch production.
Description
Technical field
The present invention relates to a kind of focus lens structure, particularly relate to a kind of built-in optical focus lens structure.
Background technology
Continuous development along with science and technology and modern industry, the electronic product that portable digital camera, camera cell phone etc. have camera function is widely used, therefore in these electronic products, its quality of carrying out the focus lens structure of photograph focus function also more and more receives dealer's concern.
Industry has proposed a kind of focus lens structure at present, this focus lens structure comprises the lens barrel of a hollow tube-shape, be fixed in the camera lens in this lens barrel and be located at the shell of lens barrel periphery, this shell is cylindric, the periphery of this lens barrel is fixed with a permanent magnet, and two coil winding are set respectively in the top and the below of permanent magnet, when these two coil winding pass to the electric current of different directions, one of them coil winding produces the attractive force to permanent magnet, another coil winding then produces the repulsive force to permanent magnet, impel permanent magnet drive lens barrel and camera lens to do telescopic moving jointly, thereby realize the function of focusing.
Yet, in this focus lens structure, because it is cylindric that the shell of focus lens structure is arranged to match with lens barrel in it, cause not having in the shell space to be connected with the circuit board of shell bottom for the coil on the coil winding, present solution is to establish connection terminal on coil winding, and wearing a perforation that can pass on the side of housing for the connection terminal on the coil winding, and it is electrically connected on the circuit board by extra external winding displacement, thereby realize the combination of focus lens structure, cause its complex structure, assembling is difficult for, and cost is higher, need be improved.
Summary of the invention
In view of this, be necessary to provide a kind of built-in optical focus lens structure of being convenient to assemble.
A kind of built-in optical focus lens structure, comprise circuit board, stator, be located at rotor in the stator, be placed in the camera lens in the rotor and enclose the shell of stator, described shell is square column type, this stator pack vinculum ring support, the base that is wound in the coil on this coil holder and carries this coil holder, four jiaos of this base are provided with the outlet terminal that is electrically connected with circuit board, the end of a thread of this coil is connected with outlet terminal respectively by the inside of this shell, so that coil is electrically connected with circuit board.
A kind of built-in optical focus lens structure, comprise stator, be located at the rotor in the stator, be placed in the camera lens in the rotor and be located at this stator, circuit board under rotor and the camera lens, this stator pack vinculum ring support, be wound in the coil on this coil holder and carry the base of this coil holder, four jiaos of this circuit board are provided with some line terminals, four jiaos of this base are provided with some outlet terminals, this coil holder is provided with the some lead terminals corresponding with described outlet terminal, described outlet terminal and the corresponding connection of line terminal on the circuit board, this stator periphery is provided with shell, described shell is square column type, and the end of a thread of this coil is welded on the outlet terminal after the lead terminal arrangement respectively from the inside of shell.
Compared with prior art, above-mentioned built-in optical focus lens structure is located in stator, rotor and camera lens wherein by the shell of square column type, the end of a thread that can make the coil on the coil holder is electrically connected with circuit board by the inside of shell, avoid the external winding displacement of coil, make optics focus lens structural systemization, thereby can simplify assembling process, reduce production costs, help producing in batches.
Description of drawings
Fig. 1 is the three-dimensional exploded view of built-in optical focus lens structure of the present invention one preferred embodiment.
Fig. 2 is the three-dimensional cutaway view that the rotor in the built-in optical focus lens structure shown in Figure 1 combines with lens barrel.
Fig. 3 is the three-dimensional assembly diagram of built-in optical focus lens structure shown in Figure 1.
Fig. 4 is the part exploded view of built-in optical focus lens structure shown in Figure 3.
Fig. 5 is the diagrammatic cross-section of built-in optical focus lens structure shown in Figure 3 along diagonal.
Fig. 6 is the diagrammatic cross-section of the duty of built-in optical focus lens structure shown in Figure 3.
Embodiment
With reference to the accompanying drawings, be described further in conjunction with the embodiments.
Fig. 1 is to the structural representation that Figure 5 shows that built-in optical focus lens structure of the present invention one preferred embodiment, and this built-in optical focus lens structure comprises that a circuit board 11, is located at stator 12 on this circuit board 11, is located at rotor 14 in this stator 12, is placed in the lens barrel 15 in the rotor 14, the camera lens 16 that matches with this lens barrel 15, the shell 18 (as shown in Figure 3) that is covered on the loam cake 17 on this camera lens 16 and encloses this stator 12.
This circuit board 11 is provided with the image sensor 112 that is electrically connected with this circuit board 11, this image sensor 112 can be charge-coupled device (Charge Coupled Device, CCD) image sensor, also can be complementary metal oxide semiconductor (CMOS) (Complementary Metal-Oxide Semiconductor, CMOS) image sensor, respectively be provided with a line terminal 114 around this image sensor on four jiaos of this circuit board 11, these line terminals 114 are connected with image sensor 112 by circuit board 11, in the process of focusing, sharpness by image sensor 112 sensing images, circuit board 11 reaches the motion of controlling rotor 14 by the electric current of control input stator 12, to realize focus function.
This stator 12 is located on this circuit board 11, and this stator 12 comprises a coil holder 121, axially is wound in the coil 122 of these coil holder 121 outside surfaces and carry the base 123 of this coil holder 121.
This coil holder 121 is tubular, its inner formation can ccontaining rotor 14 cylindrical space, this coil holder 121 comprises two groups of utmost point tooth combinations that stacked on top is provided with, each utmost point tooth combination is stacked and some utmost point teeth 124 that along the circumferential direction are crisscross arranged mutually, junction formed a middle end face 125 in the middle of described two groups of utmost point teeth were combined in it, this centre end face 125 is square, its four jiaos respectively are provided with a corner cut 132, this coil holder 121 is provided with two lead terminals 133 from the outside level in position of the corner cut 132 of middle end face 125, in the present embodiment, these two lead terminals 133 are respectively formed on two relative corner cuts 132.This coil holder 121 is respectively equipped with a top board 126 and a base plate 127 in its two ends, these top board 126 equal intervals are dashed and are provided with some projections that make progress 120, form between this top board 126 and the middle end face 125 and go up coil holder 128, form the ring support 129 that rolls off the production line between this base plate 127 and the middle end face 125, this coil 122 comprise be wound in coil holder 128 respectively and the ring support 129 that rolls off the production line on last coil 130 and lower coil 131, the end of a thread that the lead terminal 133 on this centre end face 125 can be convenient to guide coil 130 two ends is electrically connected with circuit board 11.
This base 123 roughly is square, which is provided with depressed part 135 (as shown in Figure 5), the base plate 127 of this coil holder 121 is located in the depressed part 135 of this base 123 and with this base 123 and is combined, depressed part 135 inner edges of this base 123 are provided with the teat 136 of a ring-type protruding upward, and the inner edge in the bottom of this teat 136 extends internally and forms a flange 137, the height of this flange 137 is less than the height of this teat 136, and this teat 136 is respectively applied for carrying rotor 14 and lens barrel 15 with flange 137.Four jiaos of this base 123 outwards are convexly equipped with an outlet terminal 139 respectively, described outlet terminal 139 is made as iron, copper etc. by conductive material, or scribble layer of conductive material on it, line terminal 114 on these outlet terminals 139 and the circuit board 11 connects one to one, the end of a thread of this coil 122 twines via lead terminal 133 respectively and is welded in after the arrangement on the outlet terminal 139 being electrically connected with circuit board 11, thereby makes the electric current of circuit board 11 control coils 122.Certainly, above-mentioned base 123 also can be one-body molded with coil holder 121.
This rotor 14 is placed in the cylindrical space of this coil holder 121, it comprises the permanet magnet 141 of an annulus column, this magnetite 141 can be iron oxide magnetite (Ferrite), neodymium iron boron magnetite (NdFeB) etc., it is located on the teat 136 of base 123, this magnetite 141 is provided with the driving collar 143 near an end of this base 123, as shown in Figure 2, this driving collar 143 also is the hollow circular ring shape, the outside surface of its upper end is provided with a stage portion 144, the bottom of this magnetite 141 is placed in this stage portion 144, so that this driving collar 143 forms as one with this magnetite 141, the inwall of this driving collar 143 is provided with the driving internal thread 146 that drives camera lens 16 motions.This magnetite 141 is provided with a circular protective seam 148 near an end of this loam cake 17, and this protective seam 148 can be made by high-abrasive material, and it can prevent that magnetite 141 from damaging with loam cake 17 frictional impacts in rotary course.
This lens barrel 15 is located in this magnetite 141, this lens barrel 15 also is the annulus column, its external diameter is slightly smaller than the internal diameter of this magnetite 141, and on this lens barrel 15, the lower end all stretches out in outside this magnetite 141 in the axial direction, the upper end of this lens barrel 15 promptly is provided with some guide channels 153 that are provided with along its circumferencial direction equi-spaced apart near the end of loam cake 17, the lower end of this lens barrel 15 is arranged on the flange 137 of this base 123, the driving external thread 156 that its outside surface is screwed in the driving internal thread 146 that is provided with near the position of bottom with this driving collar 143, thereby guarantee the telescopic moving of camera lens 16, its inside surface then is provided with assembling internal thread 158 in the position near the bottom, to be used for and camera lens 16 combinations.
This camera lens 16 is cylindric, it places in this lens barrel 15, on the outside surface of this camera lens 16 corresponding be provided with this lens barrel 15 on the assembling external thread 168 that is screwed of assembling internal thread 158, can carry camera lens 16, be convenient to this camera lens 16 simultaneously after assembling, also can be by assembling internal thread 158 that matches and the mount that assembles external thread 168 realization camera lenses 16.
This loam cake 17 is covered on this camera lens 16, and circle foreign side shape in it is, this loam cake 17 are provided with the some grooves 171 that match with projection 120 on the coil holder 121, to realize the location of this loam cake 17.The external diameter of the internal diameter of this loam cake 17 and camera lens 16 about equally; the inner edge of this loam cake 17 along the circumferential direction punching press downwards forms a bulge loop 172; this bulge loop 172 is resisted against on the protective seam 148 of magnetite 141 of this rotor 14; do axially-movable to limit this magnetite 141; the inner edge upper punch of this bulge loop 172 is provided with some guidance parts 173 that bend inwards and form; these guidance parts 173 also are provided with along the circumferencial direction equi-spaced apart of lid 17 inner edges; and match with guide channel 153 on this lens barrel 15; do the rotation of circumferencial direction to prevent this lens barrel 15 and camera lens 16; can make camera lens 16 accurate contrapositions like this, avoid rocking.
This shell 18 is located on the periphery of this stator 12, this shell 18 is square column type, it is by two housings 181,182 form, each housing 181,182 comprise the orthogonal the first side wall 184 and second sidewall 185, wherein extend to form a connecting wall 186 from the 184 relative vertical bendings of a side of second sidewall 185 and the first side wall, the first side wall 184, being connected of any two walls in second sidewall 185 and the connecting wall 186 be in its bottom and respectively be provided with a breach 187, the position corresponding (as shown in Figure 3) at outlet terminal 139 places on described breach 187 and the base 123, the phenomenon generation that damages with shell 18 direct contact frictions with the coil 122 that prevents to be welded on the outlet terminal 139.Connecting wall 186 forms a holding section 188 (as shown in Figure 4) away from the inside punching press of an end of second sidewall 185, described housing 181,182 can engage with the assembling that achieves a butt joint mutually by the holding section 188 of matching, and perhaps makes described housing 181,182 firmly connect into an integral body (shell 18) by laser bonding with auxiliary again.
Certainly, above-mentioned two housings 181,182 also can be other shapes, and the shape of two halves and structure also can be inconsistent, only need to dock cooperation mutually and get final product.
During assembling, the assembling external thread 168 of this camera lens 16 matches with the assembling internal thread 158 of this lens barrel 15, rotates in this lens barrel 15, thereby makes camera lens 16 can realize mount by the helicitic texture that cooperatively interacts after assembling; This lens barrel 15 places in this rotor 14, and wherein the driving external thread 156 of this lens barrel 15 screws togather mutually with the driving internal thread 146 of rotor 14; This rotor 14 is located in the coil holder 121 of this stator 12, and wherein lens barrel 15 places respectively on the flange 137 and teat 136 of this base 123 with the driving collar 143 of rotor 14; This stator 12 places on this circuit board 11, the wherein line terminal 114 corresponding connections on 11 4 jiaos of the outlet terminal 139 on 123 4 jiaos of the bases of stator 12 and the circuit boards, coil 122 is wound on the coil holder 121, the end of a thread of coil 122 is welded on the outlet terminal 139 after 133 guidings of the lead terminal on 125 4 jiaos of the middle end faces, thereby by being electrically connected with circuit board 11 with outlet terminal 139 corresponding line terminals 114; This loam cake 17 is covered on this camera lens 16, and the bulge loop 172 that makes this loam cake 17 is replaced the protective seam 148 on the magnetite 141 of rotor 14, this guidance part 173 matches with the guide channel 153 of lens barrel 15, and the groove 171 on this loam cake 17 matches with projection 120 on the coil holder 121; Housing 181,182 moves the assembling that achieves a butt joint from two side direction stators 12 of stator 12, the holding section 188 of its middle shell 181,182 engages mutually, and can assist by Laser Welding (LBW) and be connected into a whole housing 18, so that stator 12, rotor 14 and camera lens 16 are located in wherein.
As shown in Figure 6, during work, after coil 122 energized on the coil holder 121, by the action of a magnetic field of coil 122 with the magnetite 141 of rotor 14, drive rotor 14 around its axis rotation, the driving helicitic texture that is screwed of the driving collar by rotor 14 143 and lens barrel 15 then, under the restriction and guide function of the guidance part 173 of this loam cake 17, the rotation of rotor 14 is converted into the axially-movable of lens barrel 15 and camera lens 16, drive lens barrel 15 and 16 while of camera lens stretching motion and stretched inside and outside loam cake 17 in the upper end of camera lens 16, and the sharpness by image sensor 112 sensing images, make the electric current of circuit board 11 controls by coil 125, reach the purpose that whether allows camera lens 16 continue motion, thereby realize the function of focusing automatically.
Compared with prior art, above-mentioned built-in optical focus lens structure is located in stator 12, rotor 14 and camera lens 16 wherein by the shell 18 of square column type, can make outlet terminal 139 fall within four jiaos of stator 12, thereby the end of a thread of the coil 122 on the coil holder 121 can be welded in the inside of square column type shell 18 respectively with outlet terminal 139, and be electrically connected with circuit board 11 by outlet terminal 139, avoid coil 122 external winding displacements, make optics focus lens structural systemization, thereby can simplify assembling process, cost is lower, helps producing in batches; In addition, this shell 18 is made up of two housings 181,182, housing 181,182 moves the assembling that achieves a butt joint from two side direction stators 12 of stator 12, the end of a thread that makes coil 122 respectively with outlet terminal 139 welding after package shell 18 again, thereby can solve the problem of the difficult assembling of optics focus lens structure, and prevent shell 18 from assembling process, contacting and the phenomenon that causes coil 12 to damage takes place with the end of a thread of coil 12, also can avoid influencing the end of a thread of coil 122 and being connected of outlet terminal 139, and then improve the yield of product because of space in the shell 18 is too small.
Claims (13)
1. built-in optical focus lens structure, comprise circuit board, be located at the stator on the circuit board, be located at the rotor in the stator and be placed in the interior camera lens of rotor, this stator pack vinculum ring support, be wound in the coil on this coil holder and carry the base of this coil holder, it is characterized in that: this built-in optical focus lens structure also comprises the shell that encloses stator, described shell is square column type, four jiaos of this base are provided with the outlet terminal that is electrically connected with circuit board, the end of a thread of this coil is connected with outlet terminal respectively from the inside of this shell, so that coil is electrically connected with circuit board.
2. built-in optical focus lens structure as claimed in claim 1 is characterized in that: described shell is assembled by two housing butt joints.
3. built-in optical focus lens structure as claimed in claim 2 is characterized in that: described two housings are provided with the snap-in structure of mutual engaging, and these two housings engage with the assembling that achieves a butt joint mutually by described snap-in structure.
4. built-in optical focus lens structure as claimed in claim 3 is characterized in that: further realize firm butt joint assembling by laser bonding between described two housings.
5. built-in optical focus lens structure as claimed in claim 1 is characterized in that: four jiaos of this shell are provided with breach near base one ends, and the position at the outlet terminal place on described breach and the base is corresponding.
6. built-in optical focus lens structure as claimed in claim 1, it is characterized in that: also comprise the lens barrel of being located at the camera lens periphery, this lens barrel places in the rotor, this camera lens is provided with external thread in its outside surface, this rotor is provided with internal thread in its inside surface, this lens barrel is respectively equipped with internal thread and external thread on its inside surface and outside surface, the internal thread of this lens barrel matches with the external thread of camera lens so that camera lens is carried out mount, and the internal thread of this rotor matches with the external thread of this lens barrel to realize the telescopic moving of camera lens.
7. built-in optical focus lens structure as claimed in claim 6, it is characterized in that: also comprise the loam cake that is covered on the camera lens, this lens barrel is provided with some guide channels near loam cake one end, and the inner edge of this loam cake is provided with the some guidance parts that match with described guide channel.
8. built-in optical focus lens structure as claimed in claim 6, it is characterized in that: also comprise the loam cake that is covered on the camera lens, this coil holder is provided with several projections near loam cake one end, is covered with corresponding with described projection to realize some grooves of loam cake location on this.
9. built-in optical focus lens structure as claimed in claim 1 is characterized in that: be electrically connected with image sensor on this circuit board, respectively be provided with line terminal with the corresponding connection of outlet terminal on the base around this image sensor on four jiaos of this circuit board.
10. built-in optical focus lens structure as claimed in claim 1, it is characterized in that: end face in the middle of the middle part of this coil holder is provided with, this centre end face is square, its four jiaos respectively are provided with a corner cut, this coil holder is provided with some lead terminals from the position of the corner cut of middle end face, and the end of a thread of coil is respectively via being welded on the outlet terminal of base after the described lead terminal arrangement.
11. built-in optical focus lens structure, comprise stator, be located at the rotor in the stator, be placed in the camera lens in the rotor and be located at this stator, circuit board under rotor and the camera lens, this stator pack vinculum ring support, be wound in the coil on this coil holder and carry the base of this coil holder, it is characterized in that: four jiaos of this circuit board are provided with some line terminals, four jiaos of this base are provided with some outlet terminals, this coil holder is provided with the some lead terminals corresponding with described outlet terminal, described outlet terminal and the corresponding connection of line terminal on the circuit board, this stator periphery is provided with shell, described shell is square column type, and the end of a thread of this coil is welded on the outlet terminal after the lead terminal arrangement respectively from the inside of shell.
12. built-in optical focus lens structure as claimed in claim 11 is characterized in that: the shell of described square column type is made up of two housings, described two housings by mutual engaging with the assembling that achieves a butt joint.
13. built-in optical focus lens structure as claimed in claim 11, it is characterized in that: also comprise the lens barrel of being located at the camera lens periphery, this lens barrel places in the rotor, this camera lens is provided with external thread in its outside surface, this rotor is provided with internal thread in its inside surface, this lens barrel is respectively equipped with internal thread and external thread on its inside surface and outside surface, the internal thread of this lens barrel matches with the external thread of camera lens so that camera lens is carried out mount, and the internal thread of this rotor matches with the external thread of this lens barrel to realize the telescopic moving of camera lens.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610157535A CN100582844C (en) | 2006-12-15 | 2006-12-15 | Built-in optical focusing lens structure |
| JP2007295946A JP5144223B2 (en) | 2006-12-15 | 2007-11-14 | Built-in focus adjustment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610157535A CN100582844C (en) | 2006-12-15 | 2006-12-15 | Built-in optical focusing lens structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101201440A CN101201440A (en) | 2008-06-18 |
| CN100582844C true CN100582844C (en) | 2010-01-20 |
Family
ID=39516697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610157535A Expired - Fee Related CN100582844C (en) | 2006-12-15 | 2006-12-15 | Built-in optical focusing lens structure |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5144223B2 (en) |
| CN (1) | CN100582844C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI611233B (en) * | 2016-08-29 | 2018-01-11 | 光寶電子（廣州）有限公司 | Lens assembly and manufacturing method thereof |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010061030A (en) * | 2008-09-05 | 2010-03-18 | Nidec Sankyo Corp | Lens drive device |
| JP5980941B2 (en) * | 2012-10-12 | 2016-08-31 | シャープ株式会社 | Camera module and electronic equipment |
| JP6337394B2 (en) * | 2013-07-05 | 2018-06-06 | パナソニックＩｐマネジメント株式会社 | Semiconductor device |
| JP2016200791A (en) * | 2015-04-09 | 2016-12-01 | 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． | Lens barrel and optical instrument |
| CN107783241A (en) * | 2016-08-24 | 2018-03-09 | 宁波舜宇光电信息有限公司 | Camera lens and camera lens module |
| CN113056705B (en) * | 2018-11-14 | 2022-12-30 | 阿尔卑斯阿尔派株式会社 | Lens driving device and camera module |
| CN112492166B (en) * | 2020-12-01 | 2022-08-05 | 中国电子科技集团公司第五十五研究所 | Burnt locking dead structure behind machine carries camera |
| CN113507549B (en) * | 2021-05-28 | 2022-10-14 | 西安闻泰信息技术有限公司 | Camera, photographing method, terminal and storage medium |
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| JP2006047356A (en) * | 2004-07-30 | 2006-02-16 | Nidec Copal Corp | Lens drive unit |
| JP2006078869A (en) * | 2004-09-10 | 2006-03-23 | Nidec Sankyo Corp | Lens driving device |
| JP2006091259A (en) * | 2004-09-22 | 2006-04-06 | Fuji Photo Film Co Ltd | Lens driving apparatus and digital camera |
| JP2006187104A (en) * | 2004-12-27 | 2006-07-13 | Nidec Sankyo Corp | Magnetic driving device and lens driving device |
| JP4553792B2 (en) * | 2005-05-13 | 2010-09-29 | 日本電産サンキョー株式会社 | Lens drive device |
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- 2006-12-15 CN CN200610157535A patent/CN100582844C/en not_active Expired - Fee Related
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| CN1683946A (en) * | 2004-04-16 | 2005-10-19 | 思考电机（上海）有限公司 | Lens driver |
| CN1790084A (en) * | 2004-12-15 | 2006-06-21 | 思考电机（上海）有限公司 | Lens drive device |
| EP1691228A3 (en) * | 2005-02-15 | 2006-11-02 | Sony Corporation | Lens unit and imaging apparatus |
| JP2006251216A (en) * | 2005-03-09 | 2006-09-21 | Sony Corp | Lens unit and imaging apparatus |
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| TWI611233B (en) * | 2016-08-29 | 2018-01-11 | 光寶電子（廣州）有限公司 | Lens assembly and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101201440A (en) | 2008-06-18 |
| JP5144223B2 (en) | 2013-02-13 |
| JP2008152240A (en) | 2008-07-03 |
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