CN101009773A - Digital camera module - Google Patents
Digital camera module Download PDFInfo
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- CN101009773A CN101009773A CN 200610006256 CN200610006256A CN101009773A CN 101009773 A CN101009773 A CN 101009773A CN 200610006256 CN200610006256 CN 200610006256 CN 200610006256 A CN200610006256 A CN 200610006256A CN 101009773 A CN101009773 A CN 101009773A
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- Prior art keywords
- digital camera
- module
- camera module
- camera lens
- magnet
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- 230000005855 radiation Effects 0.000 claims description 24
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
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- 230000003993 interaction Effects 0.000 claims description 2
- 238000012856 packing Methods 0.000 description 6
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- 238000005516 engineering process Methods 0.000 description 4
- 235000014676 Phragmites communis Nutrition 0.000 description 3
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- 239000012467 final product Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Lens Barrels (AREA)
Abstract
The related DC module comprises: a lens module, a magnetic-field generator round the outside side of the lens module, a shell to cover the lens module, and some radiation-charging magnets set on sides of shell.
Description
Technical field
The present invention relates to a kind of digital camera module, particularly relate to a kind of small size digital camera module that is incorporated into portable electronic devices.
Background technology
Portable electronic devices is integrated digital camera in wherein being trend, mobile phone as the tool camera function is an example, and the characteristics of portable electronic devices are compact, therefore, for being integrated in digital camera wherein, how the littler camera of manufactured size is just attached most importance to.On the other hand and since the portable electronic devices major part all with battery as power resources, be to save electric power, the digital camera that it carried whether power saving also is an index of consumer's selection.
For digital camera, because need adjusting lens location, it takes to obtain suitable focal length, therefore, the module of adjusting lens focus is arranged all mostly.Utilize direct current or stepper motor cooperation transmission mechanism in the prior art, adjust eyeglass or photo-sensitive cell position to reach the purpose of focusing, still, complicated transmission mechanism is difficult for assembling, and has the mechanicalness noise generation with the motor driven drive mechanism.
For overcoming the problems referred to above, existing focusing mode facility is focused with magnetic force, also discloses a kind of digital camera Focusing mechanism as in No. 551,765, the Taiwan patent, borrow magnetic element, induction coil and flexible member to change the photo-sensitive cell position, to reach the purpose of focusing.In induction coil, make its generation one and the magnetic field that magnetic element repels each other by electric current, make the photo-sensitive cell that is connected with magnetic element moved by magneticaction, and flexible member can move it the position for continuous, but not segmentation can make it reach continuous focusing.Borrow sense of control to answer the coil current size, displacement that just can the sense of control optical element.
Disclose a kind of digital camera in Japan's publication 2005-128405 number and adjust structure, it utilizes cylindrical structure to coat camera lens module, and on cylindrical structure, install yoke, magnet and coil encircling camera lens module, make the camera lens module shift position by the magnetic force that magnet and coil produced, to reach the purpose of focusing.
Please refer to Fig. 1, it is the exploded view of known digital camera module, coil 1 is coated on camera lens module 2 peripheries, coil 1 and camera lens module 2 are placed in the bearing 3, magnet 4 be arranged at bearing 3 around, under the magnetic force reciprocation that magnetic force that is produced by magnet 4 and coil 1 energising back are produced, make camera lens module 2 be produced displacement, change the distance between itself and the photo-sensitive cell with the position that changes camera lens module 2, to reach the purpose of zoom.
Yet under the smaller the better requirement of present digital camera size, present technology can't satisfy this demand, and with present, magnet or magnetic element must be placed on the periphery of camera lens, but so just can increase whole volume, can't reach undersized requirement.And because currently used magnet or magnetic element are arranged at around the induction coil, the magnetic force direction that both produced is not orthogonal, therefore need produce bigger magnetic field with moving lens or photo-sensitive cell by coil with bigger electric current, so can cause the consumption of electric power, this point is quite unfavorable in the use for any portable electric product, can reduce its endurance.
Summary of the invention
The present invention proposes a kind of digital camera module, and it has a camera lens module, a magnetic field generation device, a shell and several radiation magnet that magnetizes.This magnet is arranged at the upper and lower both sides of camera lens module, can save camera lens module space all around, and the digital camera module volume is reduced.In addition, because being arranged at the upper and lower both sides of camera lens module and its, magnet is the radiation magnet that magnetizes, magnetic line of force direction is to inject camera direction perpendicular to light, outside camera, launch, its institute's magnetic force direction that produces is vertical with magnetic force direction that coil produces, it is more efficient that camera lens is moved, and the magnetic field that coil provides less current to produce just can overcome the stiction of system, reaches the purpose of focusing.
A kind of form of implementation of the present invention relates to a kind of digital camera module, and it comprises: a camera lens module, a magnetic field generation device, a shell and several radiation magnet that magnetizes.Camera lens module is coated by shell, and magnetic field generation device is surrounded on the camera lens module outside.In addition, several radiation magnet that magnetizes is arranged at the shell both sides respectively.
Furthermore, this digital camera also comprises a yoke, is arranged at this camera lens module outside, in order to adjust this radiation magnet size tolerance that magnetizes.
In addition, this magnetic field generation device is a coil, and it produces magnetic field by energising, and the magnetize magnetic line of force direction of magnet of the magnetic force direction in magnetic field that this coil produces and this radiation is vertical mutually.And the magnetic force that this coil produced with magnetize after the magnetic interaction that magnet produced by this radiation, this camera lens module is moved, reach the purpose of focusing.
Digital camera module of the present invention also comprises the element of part digital camera module commonly used, as image sensor.In addition, also can comprise the position regulator that is arranged in this shell, it can make camera lens module rest on the fixed position, and this position regulator can be an elastomer, is more preferred to be selected from shell fragment and spring one of them or its combination.
Another kind of form of implementation of the present invention relates to a kind of electronics portable device able, and it comprises the digital camera module of an embodiment of the present invention, because the little and power saving of digital camera module volume of the present invention, it is all very suitable to be integrated in any electronics portable device able.The product that at present early existing electronics portable device able carries digital camera is in selling on the market, such as the mobile computer of camera cell phone, tool digital camera etc.Characteristics with electronics portable device able of digital camera module of the present invention are the digital camera module that its collocation is relevant with the present invention, because of the magnet that magnet positions changes and the employing radiation is magnetized, and reach the effect of the little and power saving of volume, all identical as for remaining technical characterictic of electronics portable device able with general known any electronics portable device able.And all belong to the category of electronics portable device able such as mobile phone, mobile computer, PDA(Personal Digital Assistant) and walkman.
Description of drawings
Fig. 1: the exploded view of digital camera module commonly used;
Fig. 2: the exploded view of first embodiment of digital camera module of the present invention;
Fig. 3: the end view of first embodiment of digital camera module of the present invention; And
Fig. 4: the end view of second embodiment of digital camera module of the present invention.
Wherein, description of reference numerals is as follows:
1 coil, 8 photo-sensitive cells
2 camera lens modules, the 9 coil magnetic lines of force
3 bearings, the 10 coil magnetic lines of force
4 magnet, the 11 radiation magnetic line of force that magnetizes
6 times radiation magnet 21 camera lenses that magnetize
7 yokes, 22 camera lens packing elements
Embodiment
Reach technology, means and the effect that predetermined purpose is taked in order to illustrate further the present invention, see also following relevant detailed description of the present invention, believe purpose of the present invention, feature and characteristics, can obtain thus going deep into and concrete understanding, yet following explanation only provides reference and explanation usefulness, is not to be used for the present invention is limited.
The first embodiment of the present invention please refer to Fig. 2, it is for an exploded view of digital camera module of the present invention, it comprises: coil 1, camera lens module 2, camera lens 21, camera lens packing element 22, bearing 3, the last radiation magnet 5 that magnetizes, the following radiation magnet 6 that magnetizes, yoke 7 and photo-sensitive cell 8, wherein, camera lens 21 is placed in the bearing 3 in conjunction with the camera lens module 2 that is become with camera lens packing element 22, and camera lens packing element 22 is separation with yoke 7, each winding around 1 of both sides produces magnetic field with energising, according to sense of current difference, can produce the magnetic field of the coil magnetic line of force 9 and 10 two kinds of directions of the coil magnetic line of force, when electric current is counterclockwise when bearing 3 flows, produce magnetic field as the coil magnetic line of force 9, when electric current when being clockwise direction, produce magnetic field as the coil magnetic line of force 10 around bearing 3 streams.
Because the magnetic line of force is launched toward south magnetic pole S direction by magnetic north pole N, therefore as shown in Figure 2, if electric current is when counterclockwise producing the magnetic field as the coil magnetic line of force 9 around camera lens packing element 22 streams, then under the effect of the magnetic line of force 11 and the coil magnetic line of force 9 is magnetized in radiation, camera lens module 2 overcome and the stiction of 3 of bearings after will be pushed away down the radiation magnet 6 that magnetizes, close with the last radiation magnet 5 that magnetizes, so, the position of camera lens module 2 is just away from photo-sensitive cell 8, and according to physics of photography, camera lens is far away more from photo-sensitive cell, the nearer object of just can focusing, when digital camera module therefore of the present invention needs microshot, just electric current just can be reached the focusing purpose counterclockwise to flow around camera lens packing element 22, otherwise, if the object of focusing is a long way off, then by the clockwise direction electric current, the magnetic field that produces as the coil magnetic line of force 10 gets final product.
Yoke 7 can be in order to adjust radiation magnet 5 and following radiation magnet 6 dimensional tolerances that magnetize that magnetize, so that enough focal ranges to be provided.
Please refer to Fig. 3, it is the end view of first embodiment of the invention because after camera lens module 2 moves, without any obstacle, therefore first embodiment only can have two sections minimum and maximum focal lengths.
Please refer to Fig. 4, it is the end view of second embodiment of the invention, if between camera lens module 2 and photo-sensitive cell 8, add a reed 12, then when camera lens module 2 when photo-sensitive cell 8 moves, as long as adjust the Spring balanced that size of current is provided actuating force and reed 12, just can make camera lens module 2 be parked in the optional position, so, distance between camera lens module 2 and the photo-sensitive cell 8 just can be controlled according to need, reaches the purpose of multistage continuous vari-focus.
Also digital camera module of the present invention can be installed on the mobile phone, digital camera module is can be according to the existing technology that combines with mobile phone built-in or be external on the mobile phone, if in external mode is example, can use any external mode, mode such as engage, plug together digital camera module is combined with mobile phone, and become mobile phone with digital camera.
Except that mobile phone, utilize prior art, digital camera module of the present invention can be incorporated into any portable electronic devices, as mobile computer, PDA(Personal Digital Assistant) and walkman etc.
In sum, the present invention proposes a kind of digital camera module, and it has a camera lens module, a magnetic field generation device, a shell and several radiation magnet that magnetizes.This magnet is arranged at the upper and lower both sides of camera lens module, can save camera lens module space all around, and the digital camera module volume is reduced.In addition, because being arranged at the upper and lower both sides of camera lens module and its, magnet is the radiation magnet that magnetizes, its institute's magnetic force direction that produces is vertical with magnetic force direction that coil produces, it is more efficient that camera lens is moved, the magnetic field that coil provides less current to produce just can overcome the stiction of system, reaches the purpose of focusing.
Though the present invention discloses as above with several preferred embodiments; right its is not in order to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; can do some changes and modify, so protection scope of the present invention should be with being as the criterion that accompanying Claim was defined.
Claims (12)
1. digital camera module, it comprises:
One camera lens module;
One magnetic field generation device is surrounded on this camera lens module outside;
One shell coats this camera lens module; And
Several radiation magnet that magnetizes is arranged at this shell both sides respectively.
2. digital camera module as claimed in claim 1 also comprises a yoke, is arranged at this camera lens module outside, in order to adjust the described radiation magnet size tolerance that magnetizes.
3. digital camera module as claimed in claim 1 also comprises an image sensor.
4. digital camera module as claimed in claim 1, wherein, this magnetic field generation device is a coil.
5. digital camera module as claimed in claim 4, wherein, this coil produces magnetic field by energising.
6. digital camera module as claimed in claim 5, wherein, the magnetize magnetic line of force direction of magnet of the magnetic force direction in magnetic field that this coil produces and described radiation is vertical mutually.
7. digital camera module as claimed in claim 5 wherein, by after the magnetic force that this coil produced and the magnetic interaction that magnet produced that magnetized by described radiation, moves this camera lens module, reaches the purpose of focusing.
8. digital camera module as claimed in claim 1 comprises that also one is arranged at the position regulator in this shell, and this camera lens module is rested on the fixed position.
9. digital camera module as claimed in claim 8, wherein, this position regulator is an elastomer.
10. digital camera module as claimed in claim 9, wherein, this elastomer is selected from shell fragment and spring one of them or its combination.
11. an electronics portable device able, it comprises each described digital camera module in the claim 1 to 10.
12. electronics portable device able as claimed in claim 11, this electronics portable device able be mobile phone, mobile computer, PDA(Personal Digital Assistant) and walkman one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100062569A CN101009773B (en) | 2006-01-24 | 2006-01-24 | Digital camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100062569A CN101009773B (en) | 2006-01-24 | 2006-01-24 | Digital camera module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101009773A true CN101009773A (en) | 2007-08-01 |
| CN101009773B CN101009773B (en) | 2010-10-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100062569A Active CN101009773B (en) | 2006-01-24 | 2006-01-24 | Digital camera module |
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| Country | Link |
|---|---|
| CN (1) | CN101009773B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105556747A (en) * | 2013-09-17 | 2016-05-04 | 株式会社村田制作所 | Camera module, and electronic apparatus |
| CN106443948A (en) * | 2016-12-27 | 2017-02-22 | 苏州聚力电机有限公司 | Photographing module with multiple camera lenses focusing respectively |
| WO2022127735A1 (en) * | 2020-12-18 | 2022-06-23 | 宁波舜宇光电信息有限公司 | Camera module, manufacturing method and mobile terminal |
| US11405538B2 (en) | 2018-10-16 | 2022-08-02 | Huawei Technologies Co., Ltd. | Macro imaging method and terminal |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5561646A (en) * | 1995-03-27 | 1996-10-01 | Eastman Kodak Company | Focus/tracking actuator with moving-magnet motors |
| US6813225B2 (en) * | 2001-08-20 | 2004-11-02 | Asm Assembly Automation Limited | Linear motor driven mechanism using flexure bearings for opto-mechanical devices |
| CN100388037C (en) * | 2002-12-31 | 2008-05-14 | 思考电机（上海）有限公司 | Lens driving device |
-
2006
- 2006-01-24 CN CN2006100062569A patent/CN101009773B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105556747A (en) * | 2013-09-17 | 2016-05-04 | 株式会社村田制作所 | Camera module, and electronic apparatus |
| CN106443948A (en) * | 2016-12-27 | 2017-02-22 | 苏州聚力电机有限公司 | Photographing module with multiple camera lenses focusing respectively |
| US11405538B2 (en) | 2018-10-16 | 2022-08-02 | Huawei Technologies Co., Ltd. | Macro imaging method and terminal |
| US11683574B2 (en) | 2018-10-16 | 2023-06-20 | Huawei Technologies Co., Ltd. | Macro imaging method and terminal |
| WO2022127735A1 (en) * | 2020-12-18 | 2022-06-23 | 宁波舜宇光电信息有限公司 | Camera module, manufacturing method and mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101009773B (en) | 2010-10-13 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20181129 Address after: Room 2018, Sha Tin business centre, 24 Sha Tau Street, 18, Fo Tan Shan, New Territories, Hongkong, China Patentee after: Lijing Innovation Co., Ltd. Address before: Taipei City, Taiwan, China Patentee before: Lite-On Technology Corporation |
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Effective date of registration: 20200608 Address after: 2 Ruitai Road, Huangpu District, Guangzhou, Guangdong Province Patentee after: Guangzhou Development Zone Lijing Technology Co., Ltd Address before: Room 2018, Sha Tin business centre, 24 Sha Tau Street, 18, Fo Tan Shan, New Territories, Hongkong, China Patentee before: Lijing Innovation Co.,Ltd. |
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| TR01 | Transfer of patent right |