CN207571371U - A kind of small-sized auto-focusing brake of split type low-power consumption - Google Patents
A kind of small-sized auto-focusing brake of split type low-power consumption Download PDFInfo
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- CN207571371U CN207571371U CN201721326427.6U CN201721326427U CN207571371U CN 207571371 U CN207571371 U CN 207571371U CN 201721326427 U CN201721326427 U CN 201721326427U CN 207571371 U CN207571371 U CN 207571371U
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Abstract
The utility model belongs to phase brake technical field, more particularly to a kind of split type small-sized auto-focusing brake of low-power consumption, including housing, spring, at least image sensor carrier, one block of magnetite, at least one absolute coil and flexible circuit plate, spring, image sensor carrier, flexible circuit plate form a mass-spring system with an axial displacement degree of freedom, at least one block of magnetite is set in the inner walls, absolute coil is set on image sensor carrier and is correspondingly arranged with magnetite, and absolute coil is acted on after being powered in the magnetic field of magnetite by Ampere force.The brake structure of the utility model will not generate nonlinear normal modes, and have the characteristics that dust-proof, good heat dissipation effect.
Description
Technical field
The utility model belongs to phase brake technical field, and in particular to a kind of split type small-sized auto-focusing of low-power consumption
Brake.
Background technology
The portable filming apparatus with automatic focusing function is very universal in recent years, essentially becomes filming apparatus
Standard feature.In different distance, automatic focusing function can effectively improve nearlyer object and exist object in shooting process
Resolution in image improves photograph quality during close-shot.On the other hand, automatic focusing function can be the object in other distances
Body image blur, can more outstanding object in photograph.
Traditional autofocus system is by the position of certain eyeglasses in the entire camera lens of movement or camera lens, is changed most up to cause
The effect (Optimal Object Distance) of good object distance.In recent years, traditional mainstream actuator can be smart in a short time
Change best object distance accurately, up to the effect for causing rapid focus and improve focusing accuracy.
Another autofocus system be sensor movable type, by actuator drive imaging sensor, change camera lens and
The distance between imaging sensor, up to the effect for causing auto-focusing.Relative to camera lens movable type actuator, sensor movable type causes
Dynamic device is advantageous in power consumption, and the component of required movement is generally relatively light when main cause is auto-focusing.
Since the lens assembly weight and size that are moved needed for camera lens movable type actuator are usually larger, so needing power
Higher and larger-size actuator driving, which not only improves the weight and size of filming apparatus, also reduce filming apparatus
Endurance.
Some are equipped with the small-sized filming apparatus of heavier wide-angle lens, such as small-sized moving camera, due to that can not bear camera lens
The additional weight and size that mobile actuator is brought so actuator can not be added in, influence image resolution during close-shot.
On the other hand, mainstream interchangeable lenses filming apparatus, such as digital single-lens reflex camera, the setting of camera lens movable type actuator
In camera lens, when camera is equipped with branched camera lens, every camera lens is required to configuration actuator, is paid which greatly enhances required
Expense, and the increased weight of brake itself is also inconvenient to carry, increases photographer and equips heavy burden, influences the motor-driven of shooting
Property.
Although sensor movable type actuator theoretically in power consumption and size advantageously, the actuator in the field
Technology is not mature enough, has more shortcoming.At present, the position limiting structure of sensor movable type actuator generally use contact, is obtained
Obtain an axial displacement degree of freedom parallel with optical axis.Position limiting structure can inevitably increase nonlinear during auto-focusing
Frictional force influences the precision of auto-focusing.In addition, fall or auto-focusing during, the friction that occurs in actuator or
Shock may result in internal structure and crush, if fragment falls side on the image sensor, can influence image quality.
Further, since the imaging sensor in actuator needs certain mobile space, so under imaging sensor
The circuit board of side can not be close to shell, this is unfavorable to heat dissipation.In the prior art, without increasing in addition in the design of actuator
Effective sinking path, the bad situation that can lead to more picture noise or even can not work normally of imaging sensor heat dissipation.
Utility model content
One purpose of the utility model is to provide a kind of small-sized auto-focusing brake of split type low-power consumption, existing to solve
The nonlinear normal modes that the position limiting structure for having sensor movable type actuator in technology generates during auto-focusing influence certainly
The problem of dynamic focusing precision.
The utility model is to provide a kind of small-sized auto-focusing brake of split type low-power consumption there are one purpose, to solve
In the prior art brake fall or auto-focusing during, the friction or shock that occur in actuator can generate fragment and dirt
The problem of contaminating image sensor surface.
The utility model a further object is to provide a kind of small-sized auto-focusing brake of split type low-power consumption, to solve
The heat dissipation effect of sensor movable type actuator is poor in the prior art, and imaging sensor will appear more picture noise not even
The problem of working normally.
The utility model provides a kind of split type small-sized auto-focusing brake of low-power consumption, is passed including housing, spring, image
Sensor carrier, at least one block of magnetite, at least one absolute coil and flexible circuit plate, the spring are set on the top of the housing
The inner surface in portion, and flexible deformation can occur along the vertical axis direction of the housing, the lower section of the spring, which is equipped with, to be horizontally placed on
The flexible circuit plate of the lower part of the housing, one end of described image sensor carrier are connect with the spring, the other end
It is connect with the flexible circuit plate, the spring, described image sensor carrier, the flexible circuit plate, which form one, has one
The mass-spring system of axial displacement degree of freedom；
At least one block of magnetite is set on the inner wall of the housing, and the absolute coil is carried set on described image sensor
It is correspondingly arranged on body and with the magnetite, the absolute coil is acted on after being powered in the magnetic field of the magnetite by Ampere force.
As the preferred embodiment of the utility model, the flexible circuit plate is equipped with imaging sensor.
As the preferred embodiment of the utility model, positioning seat is further included, the positioning seat is close proximity to the interior top of the housing
At least one block of magnetite is fixed on the inner wall of the housing by face and inner wall, the positioning seat；
The spring is spring leaf, and one end of the spring leaf is fastened on the inner top surface of the housing and the positioning seat
Junction, the other end are connect with described image sensor carrier.
As the preferred embodiment of the utility model, the flexible circuit plate includes the first to the 5th hard circuit board, first
Flexible circuit board, the second flexible circuit board, first hard circuit board carry described image sensor and the first rigid circuit
The periphery of plate is connect with first flexible circuit board, and the quadrangle of first flexible circuit board is respectively with described second to the 5th
Five hard circuit boards connect, and the described second to the 5th the 5th hard circuit board is also connect with second flexible circuit board respectively,
Second flexible circuit board is equipped with socket.
As the preferred embodiment of the utility model, described image sensor carrier and first hard circuit board rigidity
Connection, the described second to the 5th hard circuit board are also rigidly connected with the positioning seat respectively.
As the preferred embodiment of the utility model, tubular partition board is further included, the tubular partition board is vertical with the housing
Axis coaxle is set, and the upper end connect with the upper surface of the housing or is integrally formed with the upper surface of the housing, the cylinder
Shape partition board has gap also between described image sensor carrier.
As the preferred embodiment of the utility model, the tubular partition board uses the material with excellent magnetic conduction and heat conductivility
It is made, surface color is color for the dark color with stronger absorptive thermal radiation ability.
As the preferred embodiment of the utility model, the height of the tubular partition board be more than the magnetite height three/
One.
As the preferred embodiment of the utility model, when the number of the magnetite is more than 1, the magnetic pole phase of the same name of the magnetite
To setting..
As the preferred embodiment of the utility model, the periphery of described image sensor carrier is additionally provided with positive stop lug boss；It is described
The upper surface of housing and the upper surface of the positioning seat are equipped with the location hole that hole position overlaps.
The Ampere force that the utility model is generated using the energization absolute coil on imaging sensor in magnetic field drives image
Sensor carrier moves on an axis, when the movement that can change image sensor carrier when the flowing to hair for changing electric current
Existing, so as to fulfill the automatic focusing function of camera, the contact point of the utility model support construction is not in frictional force
Contact point is not in nonlinear frictional force in braking process, and focusing is accurate, it is ensured that image clearly.
In addition, the image sensor carrier periphery of the utility model is additionally provided with positive stop lug boss, brake falls or automatic right
Be not in the lateral severe friction to clash with longitudinal direction during coke, between image sensor carrier and tubular partition board,
It avoids occurring damaged, fragmentation possibility between image sensor carrier and tubular partition board, lowers close to position of image sensor
There is the possibility of fragment and the possibility of fragment pollution image sensing station.
Furthermore the utility model is additionally provided with tubular partition board, and tubular partition board is connected or is integrally formed with shell, tubular partition board
There is absorptive thermal radiation, heat conduction, dust-proof, anti-electromagnetic radiation, can effectively distribute the heat of brake operation generation, avoid
Brake because caused by overheat picture noise even machine cisco unity malfunction the problem of.
Finally, the utility model is the actuator using electromagnetism power drive, does not need to complicated mechanical transmission structure, and
The upper surface of housing and the upper surface of positioning seat are equipped with the location hole of hole position coincidence, it can be achieved that brake was connect with camera lens split
Effect, split structure can improve the versatility of the utility model, save user cost.Therefore the utility model has structure
Compact, easy to assembly, compact, it is light-weight, at low cost, low in energy consumption, versatility is good the characteristics of, suitable for mass producing, pushing away
Extensively.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the outline structural diagram of the utility model embodiment；
Fig. 2 is the structural exploded view of the utility model embodiment；
Fig. 3 is the structure sectional view of the utility model embodiment；
Fig. 4 is the structure diagram of the flexible circuit plate of the utility model embodiment；
Fig. 5 is dust-proof, radiating principle schematic diagram of the utility model embodiment；
Fig. 6 is the structure diagram that the utility model embodiment assembles camera lens；
Fig. 7 is the structure sectional view that the utility model embodiment assembles camera lens；
Fig. 8 is the focusing principle schematic of the utility model embodiment；
Fig. 9 is the focusing principle schematic that the utility model embodiment coordinates camera lens movable type brake.
Wherein, 1, upper shell, 2, lower housing, 3, flexible circuit plate, 4, imaging sensor, 5, absolute coil, 6, spring leaf,
7th, positioning seat, 8, magnetite, 9, image sensor carrier, 10, positive stop lug boss, 11, tubular partition board, the 12, first hard circuit board,
13rd, the first flexible circuit board, the 14, second hard circuit board, 15, third hard circuit board, the 16, the 4th hard circuit board, 17,
Five hard circuit boards, the 18, second flexible circuit board, 19, socket, 20, camera lens carrier, 21, camera lens, 22, location hole.
Specific embodiment
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
The utility model embodiment provides a kind of split type small-sized auto-focusing brake of low-power consumption, referring to figs. 1 to Fig. 7 institutes
Show, including housing, spring, at least image sensor carrier 9, one block of magnetite 8, at least one absolute coil 5 and flexible circuit
Plate 3.Spring is set on the inner surface at the top of housing, and flexible deformation can occur along the vertical axis direction of housing, under spring
Side is equipped with the flexible circuit plate 3 for being horizontally placed on lower part of the housing.One end of image sensor carrier 9 is connect with spring, the other end and bullet
Property circuit board 3 connect, be connected with to surface rigidity imaging sensor 4, the top of imaging sensor 4 is through camera lens 21
Unobstructed light path.Flexible circuit plate 3 is made of hard circuit board and flexible circuit board, and flexible circuit board refers to have compared with high stiffness
The flexible circuit plate of coefficient.Spring, image sensor carrier 9, flexible circuit plate 3, which form one, has an axial displacement degree of freedom
Mass-spring system, and the direction of the displacement freedom of mass-spring system is parallel with the optical axis of camera.
At least one block of magnetite 8 is fixed on the arbitrary inner wall of housing, and housing, magnetite 8 form a motionless structure, spring oscillator
System relies on the motionless structural vibration.Absolute coil 5 is wound on image sensor carrier 9 and is correspondingly arranged with magnetite 8, independent
Coil in coil 5 can be serial or parallel connection on circuit.Absolute coil 5 generates same phase after being powered in the magnetic field of magnetite 8
The parallel Ampere force F of machine optical axis, and moved by Ampere force F zone of action motion videos sensor carrier 9 along the vertical axis direction of housing
Dynamic, the imaging sensor 4 being placed on image sensor carrier 9 just can be subjected to displacement therewith, by the size of current for changing coil
And direction, thus it is possible to vary the size and Orientation of Ampere force F, so as to change the distance between camera lens 21 and imaging sensor 4
And best object distance, up to the effect for causing auto-focusing.Ampere force F disappears when absolute coil 5 powers off, and mass-spring system is by bullet
Power effect returns to original state, i.e. the focus of camera returns to initial position.
For the ease of the manufacture and assembling of the utility model, actuator and camera lens are splits, the top of actuator
Outside can set the camera lens of different model, and the optical axis of camera lens optical axis and imaging sensor 4 is to be arranged in parallel.In addition, housing is
Rectangular housing simultaneously uses split-type design, is divided into upper shell 1 and lower housing 2.
The another embodiment on the basis of above-described embodiment, further includes positioning seat 7, and positioning seat 7 is snug against in upper shell 1
Inner top surface and inner wall, play the fixed function to spring and magnetite 8, make housing, magnetite 8, positioning seat 7 formed a motionless knot
Structure.Springs, i.e. spring leaf 6 can be selected in the spring of the utility model, and one end of spring leaf 6 is fastened on the interior top of upper shell 1
The junction of face and positioning seat 7, with certain space so that spring leaf 6 occurs above and below the spring leaf 6 fastened
Flexible deformation, the i.e. fixed structure of spring leaf 6 are beam type structure, the other end of spring leaf 6 also with image sensor carrier 9
It is fixedly connected.
The another embodiment on the basis of above-described embodiment, with reference to shown in Fig. 4, flexible circuit plate 3 includes the first hardness electricity
Road plate 12, the second hard circuit board 14, third hard circuit board 15, the 4th hard circuit board 16, the 5th hard circuit board 17,
One flexible circuit board 13, the second flexible circuit board 18,12 carrying image sensor 4 of the first hard circuit board and the first rigid circuit
The periphery of plate 12 connect 13 with the first flexible circuit board, the quadrangle of the first flexible circuit board 13 respectively with the second hard circuit board
14th, third hard circuit board 15, the 4th hard circuit board 16, the 5th hard circuit board 17 connect, the second hard circuit board 14,
Three hard circuit boards 15, the 4th hard circuit board 16, the 5th hard circuit board 17 are also connect with the second flexible circuit board 14 respectively,
Second flexible circuit board 14 is equipped with socket 19.
It is because of first why spring leaf 6, image sensor carrier 9, flexible circuit plate 3, which can form mass-spring system,
The periphery of hard circuit board 12 connect 13 with the first flexible circuit board, and the first flexible circuit board 13 is for elastic material and with relatively strong
Stiffness factor, so the first hard circuit board 12 spatially have certain degree of freedom, it is ensured that at least with 1 axis
To one-movement-freedom-degree.The quadrangle of first flexible circuit board 13 is connected with 4 hard circuit boards, this 4 hard circuit boards are located at fixed
This 4 hard circuit boards using housing and positioning seat 7 are rigidly connected, can realized to elasticity by the joint of position seat 7 and housing
The fixation of circuit board 3.Second flexible circuit board 18 is exposed to except housing, can connect slotting 19 or various circuit interfaces thereon,
In case the utility model obtains electric power from the external world or receives and sends messages.
The another embodiment on the basis of above-described embodiment with reference to shown in Fig. 5, further includes tubular partition board 11, using with
The material of excellent magnetic conduction and heat conductivility is made (such as steel).Tubular partition board 11 and the vertical axis of housing are coaxially disposed,
Upper end is connect with the upper surface of upper shell 1, formed a cylindrical body extended downwardly from 1 upper surface of upper shell, cylindrical body it is interior
Portion is the light path that camera lens 21 arrive imaging sensor 4.The outside of cylindrical body close to image sensing carrier 9 and and image sensing
Between device carrier 9 there is certain gap, prevent mass-spring system grey caused by rubbing in vibration with tubular partition board 11
Dirt or braking are sluggish.Tubular partition board 11 can play the role of four, first, dust-proof, tubular partition board 11 can baffle from brake casing
The dust of seam crossing intrusion, dust will come into image sensor surface outside image sensor carrier 9, it is necessary to by tubular every
Narrow and slender channel between plate 11 and image sensor carrier 9, the channel greatly increase dust and come into 4 table of imaging sensor
The difficulty in face can reduce the possibility that 4 surface of imaging sensor is contaminated by dust.Second is that enhancing heat-sinking capability, since image passes
Sensor 4 and absolute coil 5 can generate heat at work, when imaging sensor 4 is likely to occur picture noise very when the temperature is excessively high
Situation about can not extremely work, therefore close to the position of imaging sensor 4 and absolute coil 5 setting tubular partition board 11, can inhale
Receive the heat radiation that imaging sensor 4 and absolute coil 5 are sent out, tubular partition board 11 is connected with brake casing in addition, therefore tubular every
Heat can be directed at housing by plate 11, be radiated outward using housing, improve the heat-sinking capability of brake entirety.Third, it reduces extraneous high
Frequency electromagnetic interference, the making material of tubular partition board 11 have magnetic conduction ability (such as steel), are surrounded on around imaging sensor 4
The shielding action to imaging sensor 4 can be played, reduces electromagnetic interference of the external equipment to imaging sensor 4.Fourth, it improves
Ampere force F suffered by absolute coil 5, tubular partition board 11 have magnetic conduction effect, can increase the magnetic density for flowing through absolute coil 5,
Enhancing magnetic density helps to improve the Ampere force F suffered by absolute coil 5.
Further, tubular partition board 11 can also be integrally formed with the upper surface of upper shell 1, and integrated formed structure is not
Only facilitate the manufacture and assembling of product, but also dust-proof, heat conduction the performance of product is more preferably.
The another embodiment on the basis of above-described embodiment, the surface color of tubular partition board 11 are with absorbing hot spoke more by force
The dark color for penetrating ability is color, such as pitch black or dark-grey or avy blue.Dark color can be the color of 11 material of tubular partition board in itself,
Can be the color occurred after processing, the processing method of coloring can be plating or spray painting.
The another embodiment on the basis of above-described embodiment, the height of tubular partition board 11 be more than 8 height of magnetite three/
One, the height dimension of tubular partition board 11 is bigger, and dust-proof, heat conduction, anti-tampering ability are stronger, but the practical set of tubular partition board 11
Size must not exceed the distance that spring leaf 6 arrives imaging sensor 4.
The another embodiment on the basis of above-described embodiment, including two pairs of magnetites 8, each magnetite 8 is respectively positioned at housing
On madial wall.The magnetic pole of the same name for the magnetite 8 being oppositely arranged is opposite, when electric current is by absolute coil 5, the Ampere force F side of generation
To being consistent.By changing sense of current and size, it just can change direction and the size of Ampere force F, up to cause image sensing
Effect of the device 4 along optical axis displacement realizes automatic focusing function.
The another embodiment on the basis of above-described embodiment, the periphery of image sensor carrier 9 are additionally provided with positive stop lug boss 10,
Ensure brake fall or auto-focusing during, be not in lateral between image sensor carrier 9 and tubular partition board 11
Clash and the severe friction of longitudinal direction, avoid occurring between image sensor carrier 9 and tubular partition board 11 it is damaged, fragmentation can
Can, lower and the possibility of fragment and the fragment pollution image sensing station occurring close to position of image sensor
Possibility.
Further, the upper surface of housing and the upper surface of positioning seat are equipped with the location hole 22 that hole position overlaps, location hole 22
For installing camera lens carrier 20, increase the precision of mechanical connection.Location hole 22 also facilitates the utility model and other external components
It is mechanically connected, the utility model is made to have versatility.
In the utility model, the electric current of absolute coil 5 controls chip drives by auto-focusing, controls chip and independent lines
Circle and flexible circuit plate 3 are electrically connected.It controls chip that can be set on flexible circuit plate 3, can also be set on outside brake
And pass through socket 19 and connect with hard circuit board 3.
The focusing principle of the utility model is with reference to shown in Fig. 8, it is assumed that when to remote coke between camera lens and imaging sensor
Distance is Dinf (as schemed), and when using camera lens movable type actuator to nearly coke, camera lens movable type actuator can increase camera lens
Δ D1, the distance between camera lens and imaging sensor become Dinf+ Δ D1, up to the smaller best object distance of cause.When using this practicality
(as schemed) when novel middle actuator is to nearly coke, imaging sensor can be reduced Δ D2 by actuator, between camera lens and imaging sensor
Distance become Dinf+ Δ D2, up to causing smaller best object distance, as Δ D1 ≈ Δ D2, the actuator energy in the utility model
Up to cause and the close focus effects of camera lens movable type actuator.
Further, with reference to shown in Fig. 9, when simultaneously using camera lens movable type actuator and the utility model in actuator
When, focal distance can be further reduced, increases the maximum magnifying power of filming apparatus.When using camera lens movable type actuator,
Camera lens can improve Δ D1, and the distance between camera lens and imaging sensor can also improve Δ D1；It is mobile using camera lens when simultaneously
And the actuator in the utility model, the actuator in the utility model can move down imaging sensor Δ D2, it in this way can volume
Outer increase the distance between camera lens and imaging sensor Δ D2, the nearest focal distance less up to cause.
Using the utility model, the above is only the preferred embodiment of the present invention, not new to limit this practicality
Type, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection domain of utility model.
Claims (10)
1. a kind of small-sized auto-focusing brake of split type low-power consumption, which is characterized in that including housing, spring, imaging sensor
Carrier, at least one block of magnetite, at least one absolute coil and flexible circuit plate, the spring are set on the top of the housing
Inner surface, and flexible deformation can occur along the vertical axis direction of the housing, the lower section of the spring is described equipped with being horizontally placed on
The flexible circuit plate of the lower part of housing, one end of described image sensor carrier are connect with the spring, the other end and institute
The connection of flexible circuit plate is stated, the spring, described image sensor carrier, the flexible circuit plate, which form one, has an axle position
Move the mass-spring system of degree of freedom；
At least one block of magnetite is set on the inner wall of the housing, and the absolute coil is set on described image sensor carrier
And be correspondingly arranged with the magnetite, the absolute coil is acted on after being powered in the magnetic field of the magnetite by Ampere force.
2. the small-sized auto-focusing brake of split type low-power consumption according to claim 1, which is characterized in that the elasticity electricity
Road plate is equipped with imaging sensor.
3. the small-sized auto-focusing brake of split type low-power consumption according to claim 1, which is characterized in that further include positioning
Seat, the positioning seat are close proximity to the inner top surface and inner wall of the housing, and at least one block of magnetite is fixed on by the positioning seat
On the inner wall of the housing；
The spring is spring leaf, and one end of the spring leaf is fastened on the inner top surface of the housing and the connection of the positioning seat
Place, the other end are connect with described image sensor carrier.
4. the small-sized auto-focusing brake of split type low-power consumption according to claim 3, which is characterized in that the elasticity electricity
Road plate includes the first to the 5th hard circuit board, the first flexible circuit board, the second flexible circuit board, first hard circuit board
It carries described image sensor and the periphery of the first hard circuit board is connect with first flexible circuit board, described first is soft
The quadrangle of circuit board is connect respectively with the described second to the 5th hard circuit board, and the described second to the 5th hard circuit board is also distinguished
It is connect with second flexible circuit board, second flexible circuit board is equipped with socket.
5. the small-sized auto-focusing brake of split type low-power consumption according to claim 4, which is characterized in that described image
Sensor carrier and first hard circuit board are rigidly connected, the described second to the 5th hard circuit board also respectively with it is described fixed
Position seat rigid connection.
6. the small-sized auto-focusing brake of split type low-power consumption according to claim 3, which is characterized in that described image passes
The periphery of sensor carrier is additionally provided with positive stop lug boss；The upper surface of the housing and the upper surface of the positioning seat are equipped with hole position and overlap
Location hole.
7. the small-sized auto-focusing brake of split type low-power consumption according to claim 1, which is characterized in that further include tubular
Partition board, the vertical axis of the tubular partition board and the housing are coaxially disposed, the upper end connect with the upper surface of the housing or
It is integrally formed with the upper surface of the housing, the tubular partition board has gap also between described image sensor carrier.
8. the small-sized auto-focusing brake of split type low-power consumption according to claim 7, which is characterized in that the tubular every
Plate uses the material with excellent magnetic conduction and heat conductivility to be made, and surface color is the depth with stronger absorptive thermal radiation ability
Colour system color.
9. the small-sized auto-focusing brake of split type low-power consumption according to claim 7, which is characterized in that the tubular every
The height of plate is more than 1/3rd of the magnetite height.
10. the small-sized auto-focusing brake of split type low-power consumption according to claim 1, which is characterized in that when the magnetic
When the number of stone is more than 1, the magnetic pole of the same name of the magnetite is oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721326427.6U CN207571371U (en) | 2017-10-13 | 2017-10-13 | A kind of small-sized auto-focusing brake of split type low-power consumption |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721326427.6U CN207571371U (en) | 2017-10-13 | 2017-10-13 | A kind of small-sized auto-focusing brake of split type low-power consumption |
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| CN207571371U true CN207571371U (en) | 2018-07-03 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741624A (en) * | 2017-10-13 | 2018-02-27 | 高瞻创新科技有限公司 | A kind of small-sized auto-focusing brake of split type low-power consumption |
| US11601596B2 (en) | 2021-01-20 | 2023-03-07 | Largan Digital Co., Ltd. | Optical image stabilizer, camera module and electronic device for improved signal transmission and image quality |
| US12003855B2 (en) | 2022-03-04 | 2024-06-04 | Largan Precision Co., Ltd. | Optical image stabilization driver device for stable movement of image sensor, camera module and electronic device |
-
2017
- 2017-10-13 CN CN201721326427.6U patent/CN207571371U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741624A (en) * | 2017-10-13 | 2018-02-27 | 高瞻创新科技有限公司 | A kind of small-sized auto-focusing brake of split type low-power consumption |
| CN107741624B (en) * | 2017-10-13 | 2020-06-23 | 高瞻创新科技有限公司 | Split type low-power-consumption small-sized automatic focusing brake |
| US11601596B2 (en) | 2021-01-20 | 2023-03-07 | Largan Digital Co., Ltd. | Optical image stabilizer, camera module and electronic device for improved signal transmission and image quality |
| US12003855B2 (en) | 2022-03-04 | 2024-06-04 | Largan Precision Co., Ltd. | Optical image stabilization driver device for stable movement of image sensor, camera module and electronic device |
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Address after: Room 915, 9 / F, No.19, science and technology Avenue West, baishijiao Science Park, Shatin, New Territories, Hong Kong, China Patentee after: VISTA INNOTECH Ltd. Address before: Room C-5, 14th floor, Derong industrial building, 3 Zhenhuan Road, Tuen Mun Patentee before: VISTA INNOTECH Ltd. |
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Address after: Room 329, 2W Building, 2 Science and Technology Avenue West, Hong Kong Science Park, Pak Shek Kok, Shatin, New Territories, Hong Kong, China Patentee after: VISTA INNOTECH Ltd. Address before: Room 915, 9 / F, No.19, science and technology Avenue West, baishijiao Science Park, Shatin, New Territories, Hong Kong, China Patentee before: VISTA INNOTECH Ltd. |