CN101065957A - Camera modules with lens transmission device - Google Patents

Camera modules with lens transmission device Download PDF

Info

Publication number
CN101065957A
CN101065957A CN200580040634.9A CN200580040634A CN101065957A CN 101065957 A CN101065957 A CN 101065957A CN 200580040634 A CN200580040634 A CN 200580040634A CN 101065957 A CN101065957 A CN 101065957A
Authority
CN
China
Prior art keywords
platform
camera module
piezo
optical axis
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.)
Pending
Application number
CN200580040634.9A
Other languages
Chinese (zh)
Inventor
艾伦·艾维托
贺华夫·艾尔哈雅妮
盖尔·佩莱德
尼尔·卡若斯科夫
乔夫·加诺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanomotion Ltd
Original Assignee
Nanomotion Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanomotion Ltd filed Critical Nanomotion Ltd
Publication of CN101065957A publication Critical patent/CN101065957A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Lens Barrels (AREA)
  • Studio Devices (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

A camera module has a plurality of lenses aligned along an optic axis that receive and transmit light from a scene being imaged by the camera module. At least one lens is mounted on a platform which is movable along the optic axis and is moved by action of a piezoelectric motor. Optionally, at least one lens is mounted on a second platform which is movable along the optic axis. The second platform may be driven by a second piezoelectric motor or moved by action of the first platform.

Description

The camera module that lens transmission device is arranged
Related application
The application number that the application requires on September 29th, 2004 to submit to according to the regulation of 35 USC 119 (a) is that the application number of submitting in the Japanese patent application of P2004-283060, on September 29th, 2004 is the Japanese patent application of P2004-283061, and the application number that on September 29th, 2004 submitted to is the interests of the Japanese patent application of P2004-283193, and its disclosure all is incorporated herein by reference at this.
Technical field
The present invention relates to camera, especially relate to and be fit to be integrated into portable communication apparatus, as the camera module of mobile phone, portable communication apparatus comprises such camera module.
Background technology
The camera module that embeds mobile phone has presented a lot of identical features of feature that present with traditional digital cameras, and comprises a lot of assemblies identical with traditional digital cameras.The mobile phone camera module generally provides automatic focus (AF) function and zoom function and comprises photosurface such as charge coupled device (CDD) or CMOS (Complementary Metal Oxide Semiconductor) (CMOS) photosurface, record is by the scene of camera module imaging on photosurface, and this module has a pixel counts that approaches to exist on the traditional camera usually.For AF and zoom function are provided, the mobile phone camera module generally includes first camera lens or lens system, be called jointly hereinafter " automatic focus " camera lens (AF, lens), it is used for the image on the focus module photosurface; With second camera lens or lens system, be called " zoom lens " hereinafter jointly and zoom function is provided.AF camera lens and zoom lens are respectively installed to first and second platforms of camera lens transmission system, are called AF and zoom platform for simplicity, so that make the optical axis of AF and zoom lens overlapping along public " camera module " optical axis.Be included in suitable motor in the transmission system or driver move AF and zoom platform with location AF and zoom lens and thereby provide and focus on and zoom function, that is, and with different telephotographies and wide-angle structure location camera lens and make the scene imaging.
Different with traditional digital cameras, the camera module that is suitable for embedding portable phone must be set to be assembled to the relatively little space that is applicable to camera-enabled in such phone usually.In addition, although the improvement picture quality that requires the mobile phone camera module to provide to provide and increase picture quality and the function that function quantity is run neck and neck with traditional digital cameras, in the mobile phone camera module can with the space usually along with the mobile phone attenuation with diminish and reduce.
Summary of the invention
An aspect of some embodiments of the invention relates to provides the camera module that comprises improved transmission system, this system AF and zoom platform to be arranged to move and to locate AF and the zoom lens that is included in the camera module.
An aspect according to some embodiments of the invention, transmission system is set to enough little so that camera module can embed portable communication apparatus, in portable phone.
An aspect according to some embodiments of the invention, transmission system comprises at least one bar, be called " worm drive shaft " (worm-drive shaft) hereinafter, be formed with the screw thread that is meshed with the respective threaded that on the AF of transmission system and/or zoom platform, forms.Said at least one worm drive shaft is parallel to the optical axis of camera module, and the rotation of axle makes AF and/or zoom platform and is installed to camera lens on it along the optical axis translation of camera module.
At least one worm drive shaft comprises at least two worm drive shafts alternatively.The AF platform of endless screw transmission agent be provided with at least two worm drive shafts in a screw thread that worm drive shaft is meshed, and the zoom platform is provided with the screw thread that is meshed with another worm drive shaft of said at least two worm drive shafts.
In one embodiment of this invention, each AF and zoom platform are installed at least one guide rail, also are parallel to the camera module optical axis, and platform can freely slide along it.At least one guide rail helps the directed of stabilized platform and provides the motion and the location of accurate control for it.Optional piezo-electric motor be coupled to each of said at least one worm drive shaft and controllably rotating shaft with AF or the zoom platform of location optionally with its coupling, thereby its related camera lens or lens system provide the imaging and the focusing of the scene of telephotography (telephoto) or wide-angle along the camera module optical axis.
For the purpose of the convenience of expressing, be called " worm-drive " system according to transmission system embodiments of the invention, that comprise a worm drive shaft.
An aspect according to some embodiments of the invention, transmission system comprises a pipe, is called " transmission tube " hereinafter, and it has screw thread to form on the surperficial zone within it, and can rotate around axle, and said axle is consistent with the optical axis of camera module.At least one piezo-electric motor is coupled to transmission tube and controllably rotates transmission tube.For the purpose of the convenience of expressing, comprise transmission tube, be called " rotary type tower transmission (turret drive) " system according to the transmission system of embodiments of the invention.
The AF platform of rotary type tower drive system is formed with the screw thread that matches with the transmission tube screw thread, and is coupled to transmission tube by platform is inserted transmission tube, so that the threaded engagement of the screw thread of platform and transmission tube.The AF platform can freely slide along at least one linear guides, and this at least one linear guides stops said platform rotation when transmission tube rotates.As a result, when described at least one piezo-electric motor rotation, transmission tube, AF carrying platform are along the optical axis translation of camera module.Piezo-electric motor by the angle of control motor rotation transmission tube control the AF platform along the position of camera module optical axis and thereby control be installed to the position of the AF camera lens on this platform.
The zoom platform of rotary type tower drive system also is installed to the inside of transmission tube.The zoom platform does not comprise the screw thread with the threaded engagement of transmission tube alternatively.The AF platform is controlled alternatively along moving of the zoom platform of camera module optical axis and moving of zoom lens therefore, and the AF platform optionally is coupled or is not coupled to the zoom platform, thereby the motion of AF camera lens is moved respectively or not mobile zoom platform.Alternatively, the zoom platform optionally " (dockable) can berth " along the telephotography position of camera module optical axis or along this wide-angle position, with telephotography or the wide-angle imaging that scene is provided.Zoom lens berth alternatively by at least one pliable and tough kayser and corresponding at least one grab retaining and finish.When described at least one pliable and tough kayser is fixed on corresponding suitably when grabbing in the retaining, the zoom platform is docked in wide-angle or telephotography position.In the arbitrary said position of zoom lens, the AF platform can be by the rotation transmission tube along camera module optical axis location, to be provided at the suitable focusing of scene imaging on the module photosurface.
An aspect of some embodiments of the invention relates to provides the camera module that comprises transmission system, and this transmission system has at least one linear rails, is called " transmission rail " hereinafter, is parallel to the camera module optical axis, and AF and/or zoom platform are installed on it.According to embodiments of the invention, at least one piezo-electric motor is installed to the AF platform, so that the coupling surface of motor flexibly presses the transmission rail in described at least one transmission rail.Motor controllably produces vibration at its coupling surface, this make motor and thereby the AF platform along this transmission rail " climbing " (shinny) and translation.For the purpose of the convenience of expressing, that platform is climbed therein along the transmission rail, be called " climbing transmission " system according to the transmission system of embodiments of the invention.
Alternatively, described at least one transmission rail comprises a plurality of transmission rails, and described at least one motor comprises a plurality of motors.Alternatively, each motor is pressed to different in said a plurality of transmission rail sexually, so that the coupling surface of this motor presses the transmission rail.Alternatively, transmission system comprises at least one guide rail, and carrying platform is provided with along it, freely to slide or to roll.This guide rail helps the fixed side of stabilized platform and provides the motion and the location of accurate control for it.Alternatively, described at least one motor is installed on the platform and presses to the transmission rail, so that it produces torque, this helps to make the platform alignment and aims at described at least one transmission rail and/or guide rail.
In an embodiment of the present invention, at least one piezo-electric motor is installed on the zoom platform similarly, so that the coupling surface of motor flexibly presses the transmission rail in described at least one transmission rail.Motor controllably makes the zoom platform reach thereby its zoom lens is climbed and translation along the transmission rail.
Be installed to piezo-electric motor on AF and the zoom platform controllably along camera module optical axis translation AF and zoom platform, optionally locating AF and/or zoom platform, thereby the location camera lens related with it arrives telephotography or wide-angle position along optical axis.
In an embodiment of the present invention, have only the AF platform of climbing drive system to be equipped with at least one piezo-electric motor, said piezo-electric motor moves AF platform and AF camera lens thereof along the camera module optical axis.The motion of AF platform is moved and location zoom platform alternatively, and the AF platform optionally is coupled or is not coupled to the zoom platform, thereby the motion of AF platform is moved respectively or not mobile zoom platform.
Alternatively, the zoom platform optionally " can berth " along the telephotography position of camera module optical axis or along this wide-angle position, with telephotography or the wide-angle imaging that scene is provided.As the situation in the rotary type tower drive system above-mentioned, zoom lens berth alternatively by at least one pliable and tough kayser and corresponding at least one grab retaining and finish.In the wide-angle or the telephotography position of zoom platform, can be by at least one piezo-electric motor of operation along camera module optical axis location AF platform, so that the suitable focusing of module photosurface epigraph to be provided.
Different piezo-electric motors controllably provides the energy of accurate control for mechanical system and is suitable for being used in the transmission system that is included in according to the camera module of embodiments of the invention.For example, the United States Patent (USP) 5,616,980 of Zumeris etc. has been described with the PCT announcement WO00/74153 that is entitled as " multi-layer piezoelectric motor " and has been suitable for implementing piezo-electric motor of the present invention.
The piezo-electric motor of describing in patent of mentioning and PCT published content comprises the rectangle piezoelectric oscillator of relative thin, and it has bigger parallel front face surface and narrow weak point and long edge surface.Alternatively, the motor coupling surface is played on the surface of " brake pad " on the surf zone of oscillator minor face edge or the oscillator minor face edge, and it is forced into the contact-making surface of removable main body.Electrode on the oscillator front face surface, or the electrode on the oscillator layer front face surface of in WO 00/74153, describing that is used for piezo-electric motor, with excited vibrational in the brake pad of motor, described brake pad is transferred to removable main body by the contact-making surface of main body with kinetic energy by charged.The PCT that is entitled as " piezo-electric motor and motor transmission configuration " announces that PCT/IL00/00698 has described different piezo-electric motors and these motors of coupling to rotate the method for removable main body.The PCT that is entitled as " high-resolution piezo-electric motor " announces that PCT/IL03/00613 has described piezo-electric motor and operation piezo-electric motor with the relative altitude method of positioning object exactly.The published content of the document that all are mentioned above all here adds as a reference.
Therefore provide a camera module that optical axis is arranged according to embodiments of the invention, it comprises:
At least one platform, its be formed with screw thread and comprise that at least one camera lens receives and transmission from arrive the light of camera module by the scene of module imaging;
One different power transmission shaft, it has the axle of the optical axis that is parallel to each platform in described at least one platform, and said power transmission shaft is formed with the screw thread that is meshed with said platform internal thread;
Contact-making surface, when it is coupled to each power transmission shaft with the rotation of convenient contact-making surface, said power transmission shaft rotation; With
Piezo-electric motor, its controllably rotate said contact-making surface and thereby rotate said power transmission shaft, to move and to locate said platform, the screw thread of said platform and the threaded engagement of power transmission shaft along said optical axis.
Alternatively, camera module has at least one the linear steering body that is parallel to optical axis, and described at least one platform in fact freely moves along it, thereby stops platform to rotate the screw thread of power transmission shaft and the threaded engagement of platform with respect to power transmission shaft.
Additionally or alternatively, contact-making surface is the surface of being coupled to the drive of power transmission shaft alternatively, drive has the axle of rotation to be parallel to the axle of power transmission shaft rotation.
In an embodiment of the present invention, the piezo-electric motor of rotation contact-making surface comprises coupling surface, and said coupling surface is forced into contact-making surface, and wherein contact-making surface and thereby rotating drive shaft are rotated in the motion of coupling surface.
In an embodiment of the present invention, piezo-electric motor includes the rectangle piezoelectric oscillator of the edge surface of big parallel front face surface and weak point and length.Alternatively, the coupling surface of motor is positioned on the edge surface of oscillator.Alternatively, edge surface is short edge surface.
In an embodiment of the present invention, camera module comprises the motor bracket that maintains piezo-electric motor, and the long edge surface of motor bracket is parallel to optical axis in fact.
In an embodiment of the present invention, camera module comprises a flexible member, and flexible member promotes piezo-electric motor so that its coupling surface presses contact-making surface.
Additionally or alternatively, camera module comprises the camera module cabinet alternatively, motor bracket is installed to the camera module cabinet.Alternatively, the camera module cabinet is essentially cube shaped.Additionally or alternatively, the camera module cabinet comprises at least one bearing that is used for each power transmission shaft, power transmission shaft is installed to bearing.Alternatively, a bearing that is equipped with on it at least one bearing of power transmission shaft is a loading spring.
In an embodiment of the present invention, described at least one platform comprises a plurality of platforms.Alternatively, a plurality of platforms comprise two platforms.
Camera module that optical axis is arranged according to embodiments of the invention further is provided, and it comprises:
Transmission tube, its can around optical axis rotation and have one form threaded inner surface with the rotating shaft consistent with optical axis;
First platform, the inside that it is installed in transmission tube, have with the screw thread of the threaded engagement of transmission tube and comprise that at least one camera lens receives and transmission from arrive the light of camera module by the scene of module imaging;
At least one guide rail, first platform freely slides along it, stops platform rotation when transmission tube rotates; With
At least one piezo-electric motor, it controllably rotates transmission tube and also thereby along optical axis moves and locate first platform.
Alternatively, piezo-electric motor comprises coupling surface, and said coupling surface is pressed against the contact-making surface of said transmission tube, and motor is controlled in its coupling surface generation motion to rotate said transmission tube.Alternatively, transmission tube comprises that a concentric annular ring and the contact-making surface of axle with transmission tube is the surface of said circle.
In an embodiment of the present invention, piezo-electric motor includes the rectangle piezoelectric oscillator of the edge surface of bigger parallel front face surface and weak point and length.Alternatively, the coupled surface of motor is positioned on the edge surface of oscillator.Alternatively, edge surface is minor face edge surface.
In an embodiment of the present invention, camera module comprises the motor bracket that keeps piezo-electric motor, and the long edge surface of motor bracket is parallel to optical axis in fact.Alternatively, camera module comprises the camera module cabinet, and motor bracket is installed to the camera module cabinet.
In an embodiment of the present invention, camera module comprises a flexible member, and flexible member promotes piezo-electric motor so that its coupling surface presses contact-making surface.
In an embodiment of the present invention, camera module comprises second platform, and second platform is installed in the inside of transmission tube and at least one camera lens is arranged to receive and to transmit from the light of scene arrival camera module.Alternatively, second platform not with the screw thread of the threaded engagement of transmission tube.Additionally or alternatively, second platform freely slides along at least one guide rail alternatively.
In an embodiment of the present invention, second platform is coupled to first platform so that it can slide along optical axis between first and second positions with respect to first platform.Alternatively, first and second platforms contact in fact at the primary importance place.
In an embodiment of the present invention, camera module comprises that at least one kayser and a coupling grab retaining and operationally be used for fixing second platform at least one pre-position along optical axis.Alternatively, grab retaining and comprise a groove that in second platform, forms.Alternatively, kayser extends along the direction that is parallel to optical axis.
Camera module that optical axis is arranged according to embodiments of the invention further is provided, and it comprises:
At least one transmission rail, it is parallel to optical axis;
At least one first platform, it comprise at least one camera lens with receive and transmission from arriving the light of camera module by the scene of module imaging, and include at least one piezo-electric motor of coupling surface, described at least one the transmission rail of coupling surface contact;
Wherein, described at least one piezo-electric motor is excited vibrational in coupling surface controllably, so that power is applied to the transmission rail so that move and locate first platform along optical axis.
Alternatively, described at least one transmission rail comprises a plurality of parallel transmission rails.Alternatively, described at least one piezo-electric motor comprises that different piezo-electric motors is used for each transmission rail, and said motor has the motor coupling surface of Contact Transmission rail.
In an embodiment of the present invention, platform comprises the arm of each piezo-electric motor that is used for described at least one piezo-electric motor, and arm maintains motor and is connected to the main centerbody of platform.Alternatively, arm is connected to the main body of platform by thin relatively neck, neck make arm flexibly bending leave main body.Additionally or alternatively, arm is the integral part of the platform that defined by the groove that forms in the platform alternatively.
In an embodiment of the present invention, camera module comprises an elastomer, and it presses coupling surface to contact a transmission rail in described at least one transmission rail.Alternatively, elastomer operation pusher arm leaves the main body of platform.
In an embodiment of the present invention, camera module comprises at least one guide rail that is parallel to the transmission rail, and platform in fact freely slides along guide rail and stops platform to rotate with respect to the transmission rail.Alternatively, the power that produces of the elastomer between the transmission rail that is extruded to by coupling surface and its at each motor produces the moment of torsion of platform being shifted onto at least one guide rail.
In an embodiment of the present invention, platform comprises at least one bearing, and it has the assembly that rolls along at least one guide rail.
Alternatively, rolling assembly and guide rail have corresponding complementary surface, stop guide rail and rolling assembly laterally moving with respect to guide rail in fact.Alternatively, in the complementary surface another is a concave surface for convex surface.
In an embodiment of the present invention, rolling assembly comprises a wheel.Alternatively, wheel is formed with a groove, the form fit of the complementary surface of itself and guide rail.
In an embodiment of the present invention, described at least one guide rail comprises a plurality of parallel guide rails.
In an embodiment of the present invention, described at least one first platform comprises two first platforms.
In an embodiment of the present invention, camera module comprises second platform, and it has at least one camera lens to receive and to transmit from the light of scene arrival camera module.Alternatively, second platform is coupled to one first platform of described at least one first platform so that it can slide along optical axis between first and second positions with respect to first platform.Alternatively, first and second platforms contact in fact at the primary importance place.
In an embodiment of the present invention, camera module comprises that at least one kayser and a coupling grab retaining and operationally fix second platform at least one pre-position along optical axis.Alternatively, grab retaining and comprise a groove that in second platform, forms.Alternatively, kayser extends along the direction that is parallel to optical axis.
In an embodiment of the present invention, camera module comprises a convergent lens, its receive from scene arrive the light of camera module and with the optical transmission that receives at least one camera lens that is included in described at least one platform.
In an embodiment of the present invention, camera module comprises that a photosurface is used to respond to the light of the scene of coming free camera imaging.
Portable terminal according to embodiments of the invention further is provided, and it comprises according to any one said camera module in the claim of front.Alternatively, portable terminal comprises the communication module of transmission and/or received signal.Additionally or alternatively, portable terminal comprises display screen.
In an embodiment of the present invention, portable terminal comprises cabinet, and the assembly of terminal is housed in it.Alternatively, the size of cabinet equals the size of camera module in fact.Alternatively, cabinet is of a size of the thickness of cabinet.Additionally or alternatively, camera module is of a size of the full-size that camera module is parallel to its optical axis.
In an embodiment of the present invention, portable terminal comprises mobile phone.
In an embodiment of the present invention, portable terminal comprises bar code reader.
Description of drawings
Below with reference to appended pattern description the non-limitative example of the embodiment of the invention.Among the figure that lists below this section, identical Reference numeral is represented identical structure, element or part among the different figure.For the convenience expressed and clear for the purpose of, the size of part shown in the figure and feature there is no need to show in proportion.
Figure 1A and Figure 1B schematically illustrate and comprise AF and the zoom platform different perspective views with the endless screw transmission agent of the camera module of location AF and zoom lens in camera module according to embodiments of the invention;
Fig. 1 C schematically illustrates the partial cut perspective view that comprises the camera module of endless screw transmission agent shown in Figure 1A and Fig. 1 D according to embodiments of the invention;
Fig. 1 D schematically illustrates the detail drawing that is included in piezo-electric motor in the endless screw transmission agent shown in Figure 1A and Figure 1B and operation thereof according to embodiments of the invention;
Fig. 1 E and Fig. 1 F schematically illustrate the endless screw transmission agent according to camera module shown in Figure 1A of embodiments of the invention and Figure 1B, and wherein AF and zoom lens are in the position of wide-angle and telephotography;
Fig. 1 G schematically illustrates the mobile phone that comprises camera module shown in Figure 1A-1C according to embodiments of the invention;
Fig. 2 A schematically illustrates the exploded view according to the camera module that comprises the rotary type tower drive system of embodiments of the invention;
Fig. 2 B schematically illustrates according to camera module view shown in Fig. 2 A of the part assembling of embodiments of the invention;
Fig. 2 C schematically illustrates the cutting drawing according to camera module shown in Fig. 2 B of embodiments of the invention;
Fig. 2 D and 2E schematically illustrate the cutting drawing according to camera module shown in Fig. 2 B of embodiments of the invention, and wherein AF and zoom lens are respectively in the position of wide-angle and telephotography;
Fig. 3 A and 3B schematically illustrate and comprise AF and the zoom platform different perspective views with the climbing drive system of the camera module of location AF and zoom lens in camera module according to embodiments of the invention;
Fig. 3 C schematically illustrates the view according to the drive system of climbing shown in Fig. 3 A of embodiments of the invention and the 3B, and wherein the part dismounting is to show the details of AF platform in the climbing drive system;
Fig. 3 D schematically illustrates the plane graph according to AF platform shown in Fig. 3 C of embodiments of the invention;
Fig. 3 E schematically illustrates the plane graph according to the distortion of AF platform shown in Fig. 3 C of embodiments of the invention and the 3D;
Fig. 3 F schematically illustrates the distortion according to the drive system of climbing shown in Fig. 3 A of embodiments of the invention and the 3B;
Fig. 3 G schematically illustrates another distortion according to the drive system of climbing shown in Fig. 3 A of embodiments of the invention and the 3B;
Fig. 3 H schematically illustrates the buckling and locking device that optionally the zoom lens platform is rested in telephotography or wide-angle position according to embodiments of the invention;
Fig. 3 I and 3J schematically illustrate the operation of stop device shown in Fig. 3 H; With
Fig. 4 schematically illustrates another camera module climbing drive system according to embodiments of the invention.
Embodiment
Figure 1A and 1B schematically illustrate the different perspective views according to the part of the camera module 20 of embodiments of the invention.
Camera module 20 comprises endless screw transmission agent 30 alternatively, and this system comprises that AF and zoom platform 31 and 41 are with AF and zoom lens or the lens system (in Figure 1A and 1B do not illustrate) of location and installation on AF and the zoom platform respectively in camera module.Convergent lens 21 be installed on the convergent lens frame 22 alternatively and its optical axis consistent with the optical axis of camera module 20, optical axis with dashed lines 23 expression.Convergent lens 21 receive free camera module 20 imagings scene light and converging light is transferred to zoom and the AF camera lens that is installed on AF and zoom platform 31 and 41.Endless screw transmission agent 30 location AF and zoom lens platform 31 and 41 and thereby its corresponding AF and zoom lens, with the light that receives in the wide-angle that on CCD that pixel 25 is arranged or CMOS photosurface 24 (Figure 1B), optionally focuses on scene or the telephotography imaging.Photosurface 24 is installed on " wiring " substrate 26 alternatively or is formed, thereby substrate 26 has the configuration (not shown) of circuit element alternatively so that the signal that processed pixels 25 produces provides the imaging of scene.
Endless screw transmission agent 30 comprises first and second worm drive shafts 32 that are formed with screw thread 33 and 43 respectively and 42 and at least one guide rail alternatively, and all power transmission shafts and guide rail all are parallel to the optical axis of camera module 20.Alternatively, shown in Figure 1A and 1B, described at least one guide rail comprises two guide rails 51 and 52.Alternatively, each worm drive shaft 32 and 42 is supported by the clutch shaft bearing 53 and the second bearing (not shown), the flexible member spring-loaded that bearing 53 is represented by helical spring 54 alternatively, and the clutch shaft bearing 53 and second Bearing Installation are to the cabinet of camera.Second bearing in fact firmly is installed on the cabinet.Element 54 flexiblely promotes clutch shaft bearing 53 so that worm drive shaft 32 and 42 stably is placed in second bearing to second bearing, thereby stops or in fact thereby reduced power transmission shaft with respect to the activity in the position of bearing.Therefore worm drive shaft thereby its screw thread 33 or 43 locate along the length of optical axis 23 relatively accurately.Alternatively, worm drive shaft 32 and 42 is installed on the cabinet 70 of camera, shown in Fig. 1 C and be discussed below.
Worm drive shaft 32 and 42 is connected on drive 34 and 44 alternatively, and drive 34 and 44 is coupled with piezo- electric motor 35 and 45 respectively, can operate piezo-electric motor rotation drive thereby driving shaft 32 and 42.Alternatively, each piezo- electric motor 35 and 45 comprises the rectangle piezoelectric oscillator 61 that is equipped with or forms brake pad 62 therein on the narrow edge, and is similar to above referenced United States Patent (USP) 5,616,980 or PCT announces the piezo-electric motor of describing among the WO 00/74153.Other suitable piezo-electric motor as known in the art also can use when enforcement is of the present invention and can substitute the motor shown in the accompanying drawing.Each motor 35 and 45 all is installed on the suitable motor bracket, and it is held motor and flexiblely promotes motor so that the brake pad 62 of motor flexiblely pushes drive to relevant drive 34 and 44.Motor bracket according to embodiments of the invention is schematically illustrated and be will be described below by Fig. 1 C.
Form AF platform 31 so that it has the screw thread that is meshed with the screw thread 33 of worm drive shaft 32 and is coupled with at least one guide rail 51 and 52 alternatively, thereby platform 31 can freely be slided along described at least one guide rail.Therefore the rotation of worm drive shaft 32 makes AF platform 31 along optical axis 23 translations.By exciting piezo-electric motor 35 to produce suitable vibration and therefore apply moment to drive at brake pad 62, optionally control worm drive shaft 32 with clockwise or rotation counterclockwise and towards or away from convergent lens 21 translation AF platforms.According to the suitable direction along the axle of power transmission shaft define worm drive shaft 32 clockwise or be rotated counterclockwise.Hereinafter, towards or refer to up or down respectively away from the direction of convergent lens 21.The details of operation of piezo-electric motor 35 will be discussed below with reference to figure 1D.
Alternatively, for AF platform 31 is coupled to worm drive shaft 32, the AF platform comprises coupling bossy body 36, and it is formed with screwed hole and its screw thread that worm drive shaft 32 passes and is meshed with the screw thread 33 of worm drive shaft.Alternatively, the AF platform is coupled to each guide rail 51 and 52.Alternatively, for being coupled with first and second guide rails 51 and 52, AF platform 31 has the first guiding bossy body 37 and bifurcated guiding bossy body 48 (Figure 1B), and bossy body 37 is formed with the hole that first guide rail 51 passes through, and bossy body 48 has the arm 39 of two " embracing " second guide rails 52.
Zoom platform 41 is coupled to worm drive shaft 42 and guide rail 51 and 52 alternatively, is similar to the mode that AF platform 31 is coupled to worm drive shaft 32 and guide rail 51 and 52.Alternatively, zoom platform 41 has coupling bossy body 46, and it is formed with screwed hole and its screw thread that worm drive shaft 42 passes through and is meshed with the screw thread 43 of worm drive shaft.Alternatively, for being coupled with first and second guide rails 51 and 52, zoom platform 41 has the first guiding bossy body 47 and bifurcated guiding bossy body 48 (Figure 1B), and bossy body 47 is formed with the hole that first guide rail 51 passes through, and bossy body 48 has the arm 39 of two " embracing " second guide rails 52.
Optionally rotate drive 44 by control motor 45, thus power transmission shaft 42 with respect to clockwise or be rotated counterclockwise along the suitable direction of the axle of power transmission shaft, zoom platform 41 is optionally along optical axis 23 translation up or down.
Fig. 1 C schematically illustrates the partial cut view of camera module 20, and wherein convergent lens 21 and worm-drive 30 are installed in the camera module cabinet 70.Cabinet 70 is supported piezo- electric motor 35 and 45 so that motor correctly is coupled to its corresponding delivery wheel 34 and 44 by the details of partial cut with details, the especially motor bracket of demonstration camera module 20 according to embodiment of the invention motor bracket.At piezo-electric motor 35 shown in the perspective view of Fig. 1 C and motor bracket 80 thereof.The piezo-electric motor 45 that does not illustrate among the figure is mounted alternatively, is similar to the mode that piezo-electric motor 35 is installed to cabinet 70.Alternatively, camera cabinet 70 is essentially cube shaped.
Motor bracket 80 comprises holding frame 81 alternatively, and it is alternatively by 82 couplings of two pliable and tough spreading arms that are connected to matrix 84.Matrix 84 usefulness any diverse ways known in the art is fixed to cabinet 70, as be fixed to the groove in the cabinet 70 by gummed and/or extruding.The zone 88 that spreading arm 82 is formed with relative thin is providing pliability to arm on the direction that is parallel to piezo-electric motor 35 length, but arm is enough wide so that arm is firm relatively over there perpendicular to the direction on motor plane.Flexible member is helical spring 90 alternatively, and its direction towards drive 34 promotes holding frame 81 so that the brake pad 62 of piezo-electric motor 35 flexiblely pushes drive.Alternatively, pliable and tough element 90 is installed on the support stick 91 of cabinet 70 and extends in the groove 92 at holding frame 81 tops.
But illustration 85 schematically illustrate holding frame 80 support alternatively piezo-electric motor 35 mode interior details and with reference to the details of the following arrangement with the electrode 101-104 that forms on the motor oscillator of discussing 61 of figure 1D.Holding frame 81 comprises two flexible members 86 that are positioned at frame inside alternatively, and its oscillator 61 with piezo-electric motor 35 presses two support pieces 87 that place the flexible member opposite respectively alternatively.Alternatively, support that piece 87 contacts oscillator 61 with flexible member 86 at the resonance node place of oscillator, excite resonance in brake pad 62, to produce vibration by the electrode 101-104 that charges.
Alternatively, camera module 20 is equipped with the supervisory control system of the rotation of each worm drive shaft 32 and 42 of monitoring (Figure 1A and 1B).Can in the rotating monitoring system, use any diverse location monitoring sensor known in the art and system the anglec of rotation with the monitoring worm drive shaft.Alternatively, supervisory control system comprises the reference mark 94 (only illustrating) that is positioned on each drive 34 and 44 peripheries and is installed to cabinet 70 with the motion of induced indicia and the optical sensor 96 of generation signal correspondingly on the drive 34 of Fig. 1 C.Thereby signal is transferred to suitable controller (not shown) alternatively uses signal to control piezo- electric motor 35 and 45 with ideal rotation that power transmission shaft 32 and 42 are provided and thereby provide the ideal position of AF and zoom platform 31 and 41.
Fig. 1 D schematically illustrate piezo-electric motor 35 how to operate and rotate drive 34 and thereby rotary worm drive system 32 with translation AF platform 31.
Piezo-electric motor 35 comprises four big single electrode (not shown)s on the quadrant electrode 101-104 that forms on the first front face surface of piezoelectric oscillator 61 and second largest front face surface at oscillator alternatively.Corner electrode is electrically connected alternatively.
In an embodiment of the present invention, be control motor 35 turn clockwise drive 34 and worm drive shaft 32, to corner electrode 101 and 103 with respect to large electrode alternatively at the resonance frequency place of oscillator with an AC voltage charging.Corner electrode 102 and 104 is used the 2nd AC voltage charging with 180 ° of AC voltage out-phase alternatively.The charging of electrode makes oscillator 61 in the internal vibration of the plane of oscillator, and extensional vibration be parallel to oscillator length and laterally " flexural vibrations " be parallel to the width of oscillator.This vibration produces (from reader's angle finding) elliptical vibration clockwise in brake pad 62, it has one by " clockwise " oval 106 " tracks " that schematically illustrate.To the part of 106 each cycle of elliptical vibration along the bottom of ellipse 106, brake pad 62 Contact Transmission wheel 34 also applies the power by clockwise (from the top finding of power transmission shaft 32) rotation drive of piece arrow 107 indications.For the remainder in oval cycle 106, brake pad is the Contact Transmission wheel not.By putting upside down the polarity of the AC voltage that is applied to diagonal angle electrode pair 101-103 and 102-104, elliptical vibration is also put upside down and is become counterclockwise vibration, schematically illustrates by counterclockwise oval 108.Thereby vibration will be applied to drive 34 by 109 expressions of piece arrow and the power opposite with the force direction of piece arrow 107 and rotate in a counter-clockwise direction drive counterclockwise.
Can use other charge arrangement known in the art with operation piezo-electric motor 35 and rotary worm power transmission shaft 32 according to embodiments of the invention.For example, piezo-electric motor 35 can be operated with rotating drive shaft 32 in the asymmetric pulses pattern.In this pattern, electrode on the piezoelectric oscillator 61 charges with asymmetric pulses, thereby piezoelectric oscillator is displaced on one side relatively soon or relatively slowly and then that brake pad is opposite direction dislocation reposition relatively slowly or relatively soon respectively at its plane inner bending and with brake pad.During fast relatively dislocation, the friction between brake pad 62 and the drive 34 is relative to big and drive moves along with brake pad and rotates.Between the fast relatively moving period of brake pad 62, the friction between piece and the drive is low relatively, and brake pad slips on the surface of its extruding drive 34, and drive does not move along with brake pad in fact and do not rotate in fact.To brake pad 62 fast and each cycle of microinching, drive 34 rotates only with one of the direction experience that the slow dislocation of brake pad is determined.
As an example, for operating in the asymmetric pulses pattern, electrode 101 is electrically connected alternatively with 104 and produces pulsation with identical one pole asymmetric pulses, and this pulse has short relatively rise time and relative long fall time.Electrode 102 and 104 is electrically connected alternatively and uses and is electrode 101 and the 104 opposite pulse current charges of pulse that charge.The asymmetric pulses that is applied to electrode makes oscillator 61 crooked and brake pad 62 is being displaced to the right (supposition has suitable correspondence between the polarization of the polarity of pulse and piezoelectric oscillator 61) during pulse rise time relatively soon.During long relatively fall time, piezoelectric oscillator 61 loosens at leisure and stretches, and brake pad 62 is turned back to its initial position relatively slowly.
Exciting the United States Patent (USP) 5,616,980, PCT of the method reference in the above of the piezo-electric motor that is similar to piezo- electric motor 35 and 45 to announce that WO 00/74153 and PCT announce is described among PCT/IL00/00698 and the PCT/IL03/00613 and can be used for implementing the present invention.United States Patent (USP) 5,616,980 have described some different charge arrangement comes electrode charging for the piezoelectric oscillator that is similar to piezoelectric oscillator 35 and 45 operating motor in the asymmetric pulses pattern.
Fig. 1 E and Fig. 1 F schematically illustrate the end view of the endless screw transmission agent 30 that is included in the camera module 20, with location AF and zoom platform 31 and 41 its corresponding AF and zoom lens are separately positioned in the configuration of wide-angle and telephotography thereby wherein control piezo-electric motor 35 and 45.In the drawings, AF and zoom lens are included in AF and zoom platform 31 and 41, are schematically illustrated by the single- lens cross section 110 and 111 of dotted line.
In the wide configuration shown in Fig. 1 E, AF is positioned at relative position away from convergent lens 21 with zoom lens 110 and 111.With respect to the position of zoom lens 111 shown in Fig. 1 E, the position range of four-headed arrow line 112 signal indication AF camera lenses 110, piezo-electric motor 35 in this scope mobile AF camera lens to focus on scene by camera module 20 imagings.In the configuration of the telephotography shown in Fig. 1 F, AF is positioned at relative position near convergent lens 21 with zoom lens 110 and 111.With respect to the position of zoom lens 111 shown in Fig. 1 F, the position range of four-headed arrow line 113 signal indication AF camera lenses 110, piezo-electric motor 35 in this scope mobile AF camera lens to focus on scene by camera module 20 imagings.
Fig. 1 G schematically illustrates the plane graph of the portable terminal of the communication module that comprises transmission and/or received signal.Alternatively, portable terminal comprises mobile phone 115, and it comprises according to the camera module of embodiments of the invention such as camera module 20.Mobile phone 115 comprises first panel 116 alternatively and comprises that second panel, 118, the first panels of display screen 119 have the user interface that comprises keyboard 117.Panel 118 joins first panel 116 to by hinge 114 so that panel 118 can and be closed to first panel from first panel opening, and these panels with any distinct methods known in the art and equipment electric coupling can carry out the transmission of signal betwixt.Camera module 20 is installed in the panel 118 alternatively and camera cabinet 70 (Fig. 1 C) is schematically illustrated by dotted line.The convergent lens 21 of camera module 20 is visible by the hole in second panel 118, assembles the light of the scene of free camera module 20 imagings by this hole convergent lens.Camera module 20 responds the operation of dedicated button on one of panel 116 or 118 and/or dedicated button on the keyboard 117 and/or key alternatively and is controlled as the scene imaging.The scene of imaging is presented on the display screen 119 alternatively.
Fig. 2 A schematically illustrates the exploded view according to the camera module that comprises rotary type tower drive system 122 120 of embodiments of the invention.Fig. 2 B schematically illustrates the part assembling of camera module 120.For the purpose of the convenience of expressing, in Fig. 2 B, omitted the convergent lens 21 that is installed to cabinet 202 shown in Fig. 2 A.
Rotary type tower drive system 122 comprises AF platform 160 and the zoom platform 180 and the guide rail 200 of pedestal 130, transmission tube 140, the AF that is separately installed with camera module 120 and zoom lens alternatively.Camera module 120 also comprises the convergent lens 21 that the optical axis 23 of cabinet 202 and optical axis and camera module 120 is consistent, and the part of cabinet is as the part of rotary type tower drive system.
Pedestal 130 is formed with circular well 131 alternatively, with the concentric annular groove of well 132 and forms by the bearings of any suitable configurations known in the art of two wheel 134 representatives alternatively, two wheels 134 are installed so that wheel is given prominence to and entered or be retained on the surface of annular groove in pedestal or with respect to pedestal alternatively.Photosurface 24 is positioned at the bottom of suitable on-chip well 131 alternatively as CCD or CMOS, and substrate comprises the wiring substrate of photosurface alternatively.
Transmission tube 140 comprises transmission packing ring 141 alternatively and the surperficial within it screw thread 142 that forms of going up is arranged.Transmission tube is set so that it can be fixed in the well 131, wherein transmission packing ring 141 contacts and is supported on the wheel 134.Be similar to piezo- electric motor 35 and 45 and comprise that at least one piezo-electric motor 60 of piezoelectric oscillator 61 and brake pad 62 is coupled to transmission packing ring 141 alternatively, motor controllably is applied to power the transmission packing ring with around camera module optical axis 23 optionally clockwise or be rotated counterclockwise the transmission packing ring.
For each described at least one piezo-electric motor 60 is coupled to transmission packing ring 141, the flexible member of being represented by helical spring 143 promotes motor so that the brake pad extruding transmission packing ring of motor to packing ring.Though flexible member 143 is by the helical spring representative, any suitable flexible member that flexible member can be known in the art is as the elastic material block of leaf spring or suitable shape, as rubber.As an example, in Fig. 2 A, described at least one piezo-electric motor 60 comprises two piezo-electric motors.Each motor 60 pushes with Contact Transmission packing ring 141 in the position, opposite of transmission packing ring alternatively, and the wheels 134 different in this position contact packing rings.
AF platform 160 comprises tubular portion 161 alternatively and holds the guide rail hole 163 of guide rail 200, be formed with the screw thread 162 that is meshed with the screw thread 142 of formation in the transmission tube 140 on the outer surface of tubular portion 161, and see a guide rail hole in the perspective view of Fig. 2 A only.AF platform 160 also has a plurality of coupling arms 170 so that the AF platform is coupled to zoom lens platform 180, and each coupling arm extends upward and finishes with the weak point " tooth " in the face of optical axis 23 towards the zoom platform.
For each coupling arm 170, zoom platform 180 comprises the zone 181 that is formed with step 182 on its outer surface alternatively, and step 182 mates with the tooth 171 of coupling arm.Zoom platform 180 can be coupled to the AF platform with the zoom platform inserting between the coupling arm 170 so that the tooth 171 of coupling arm 170 is stung on step 182, also allows the zoom platform to slide along coupling arm.Zoom platform 180 position from the position of two contact with platform to the ultimate range of its separation alternatively can slide with respect to AF platform 160, is buckled on the step 182 and stops the further separation of platform at this distance tooth 171.
Fig. 2 C illustrates the schematic cutting drawing of camera module 120 parts assemblings, and two coupling arms 170 shown in it move a segment distance along optical axis 23 from AF platform 160 with respect to the step 182 of zoom platform 180, and this moment, tooth 171 was not buckled on the step 182.Fig. 2 C also schematically illustrates AF lens 110 and zoom lens 111 are installed in respectively in AF and zoom platform 160 and 180.
Shown in Fig. 2 A, zoom platform 180 also comprises at least one surf zone 184 and holds the guide rail hole 187 of guide rail 200, forms top and base channel 185 and 186 on the surf zone 184 respectively, and a guide rail hole only is shown among Fig. 2 A.Alternatively, as shown in the figure, described at least one surf zone 184 comprises the surf zone 184 that two symmetries are placed.
To each surf zone 184 of zoom platform 180, cabinet 202 includes the elasticity kayser 206 of kayser tooth 207, in itself and the surf zone as the groove of grabbing retaining 185 and 186 couplings of kayser and closely cooperate.Kayser 206 and top slot 185 cooperates so that zoom platform 180 rests in wide-angle position that kayser 206 and base channel 186 cooperate so that zoom platform 180 rests in the telephotography position.In the time of in kayser tooth 207 is fixed on top slot 185, zoom platform thereby zoom lens 111 mounted thereto are fixed on wide-angle position along optical axis 23.In the time of in kayser tooth 207 is fixed on base channel 186, zoom platform thereby zoom lens 111 are fixed on the telephotography position along optical axis 23.When the zoom platform rested in arbitrary position, removable AF platform was so that focus on respect to platform 180 from the position of two contact with platform to the position that tooth 171 is buckled on the step 182.(above mentioned platform 160 scope with respect to platform 180 motions.)
Fig. 2 D illustrates the schematic cutting drawing of camera module 120 parts assembling, and wherein kayser tooth 207 is fixed in the top slot 185, and zoom platform thereby zoom lens 111 are fixed on wide-angle position along optical axis 23.Fig. 2 E illustrates the schematic cutting drawing of camera module 120 parts assembling, and wherein kayser tooth 207 is fixed in the base channel 186, and zoom platform thereby zoom lens 111 are fixed on the telephotography position along optical axis.
Cabinet 202 comprises the groove 210 of two bossy bodies 203 and each piezo-electric motor 60 alternatively, each bossy body 203 is formed with guide rail hole 204 and forms holding guide rail 200, and groove 210 is used for motor is installed on the cabinet so that flexible member 143 promotes motors towards transmission packing ring 141.In the perspective view of Fig. 2 B, a motor groove 210 only is shown.Alternatively, groove 210 cooperates with motor bracket motor bracket 80 shown in Fig. 1 C.Alternatively, groove 210 comprises the position of fixed frame 209 to firmly grasp motor 60 and to keep frame in the direction vertical with the motor plane.Alternatively, groove 210 comprises the arrangement of supporting piece and flexible member, and it is similar to support piece 87 and the flexible member 86 of supporting motor 60 shown in the illustration of Fig. 1 C.Alternatively, comprise leaf spring 215 by helical spring among Fig. 2 A 143 representative and with the flexible member that motor 60 is expressed to packing ring 141, it is assembled to groove 210 head portions.
Camera module 120 is assembled in the transmission tube 140 so that the screw thread 162 on the AF platform is meshed with screw thread 142 in the transmission tube by inserting zoom platform 180 and platform screwed between the coupling arm 170 of AF platform 160 alternatively.In transmission tube 140 fill-in wells 131 so that transmission packing ring 141 contact and being supported on the wheel 134.Piezo-electric motor 60 and the relevant flexible member 143 that motor is expressed to transmission packing ring 141 thereof are installed in the groove 210 in the cabinet 202, and cabinet and pedestal 130 link together.Guide rail 200 insert in the cabinets guide rail hole 204 so that guide rail by guide rail hole 187 (Fig. 2 A) in the zoom platform 180 and the guide rail hole 163 in the AF platform 160.
Thereby AF platform 160 and AF camera lens 110 thereof by control piezo-electric motor 60 with suitable clockwise or counterclockwise rotate transmission packing ring 141 rotation transmission tubes 140 and come optionally to locate along optical axis 23 translation up or down and along optical axis.Because the screw thread 162 of AF platform 160 is meshed with the screw thread 142 of transmission tube and the rotation of guide rail 200 prevention AF platforms, so the rotation of transmission tube makes AF platform 160 along optical axis 23 translations.
According to embodiments of the invention, zoom platform 180 moves between telephotography and wide-angle position by mobile AF platform 160.For example, suppose that zoom platform 180 rests in the telephotography position shown in Fig. 2 E, wherein kayser 206 is engaged in the base channel 186 of zoom platform.For the zoom platform is moved on to wide-angle position, control piezo-electric motor 60 rotation transmission tubes 140 and downward translation AF platform are up to the tooth 171 (Fig. 2 C) and step 182 engagements of coupling arm 170.Thereafter, the 160 downward continuation translations of AF platform make kayser tooth 207 break away from and pull down zoom platform 180 from base channel 186 and mesh up to kayser tooth and top slot 185, thereby zoom platform 180 and zoom lens 110 thereof are rested in the wide-angle position shown in Fig. 2 D.Zoom lens is rested in after the wide-angle position, and AF platform 160 can be along optical axis 23 one section distance by four-headed arrow 211 signal indications of translation upwards, and breaks away from zoom platform 180 from wide-angle position.AF platform 160 can along by any point location of the distance of four-headed arrow 211 indication so that focus on scene by camera module 120 imagings at wide-angle position.
For the zoom platform is retracted the telephotography position, AF platform 160 moves up up to contact zoom platform 180 and upwards pushes away the zoom platform thereafter and with base channel 186 engagements the zoom platform rested in the telephotography position up to kayser 206.Because zoom platform 180 is in the telephotography position, the AF platform can move down one section distance by four-headed arrow 212 indications, and does not break away from the zoom platform from the telephotography position.AF platform 160 can be along the scene that focuses on by any point location of the distance of four-headed arrow 212 indication so that in the telephotography position by camera module 120 imagings.(in " bottom " of distance 212, the tooth 171 of coupling arm 170 breaks away from the zoom platform with step 182 engagements (Fig. 2 C) and the further action of AF platform and drags the zoom platform towards wide-angle position from the telephotography position.)
According to embodiments of the invention, camera module 120 is integrated with portable communication apparatus such as mobile phone, is similar to the mode that camera module 20 is integrated with mobile phone, and alternatively shown in Fig. 1 G.
Fig. 3 A and 3B schematically illustrate the perspective view that comprises the camera module 220 of climbing drive system 230 according to embodiments of the invention.Feature with this discussion camera module 220 in close relations only is shown among the figure.
Climbing drive system 230 comprises AF platform 240, zoom platform 280 and two transmission rails 301 and two guide rails 302, top panel 303 and bottom panels 304 alternatively.Fig. 3 C is clearly shown that transmission rail and guide rail and schematically illustrates the perspective view of the part of climbing transmission 230.The optical axis 23 consistent convergent lenses 21 of optical axis and camera module 220 are installed in the top panel 303 alternatively.CCD or CMOS photosurface 24 (Fig. 3 B) are installed on the bottom panel 304 alternatively, its as or comprise the wiring substrate of photosurface.
According to embodiments of the invention, AF platform 240 comprises the guide wheel 241 that at least one crosses along each guide rail 302.Alternatively, shown in Fig. 3 A and 3B, described at least one guide wheel comprises two guide wheels 241.Fig. 3 D schematically illustrates the plane graph of AF platform 240 with reference to top content graph 3C illustrates the details of AF platform 240.Alternatively, AF platform 240 is formed with two slits 244, and each slit limits an arm 245, and arm is connected to by thin relatively neck 247 on the main central body of platform (Fig. 3 C and 3D are clearly shown that arm 245 and neck 247).Piezo-electric motor 60 is installed in the groove 248 in each arm 245.
Slit 244 with make the arm can be flexiblely crooked with relative thin neck 247 that arm 245 is got in touch around vertical with the plane of AF platform 240 basically axle, this is positioned at the zone of neck 247.According to embodiments of the invention, insert each slit 244 for the flexible member of helical spring 246 (Fig. 3 D) alternatively and flexiblely setover and make the arm 245 of getting in touch main body bending away from AF platform 240 with slit 244.As a result, arm 245 produces the transmission rail 301 of elastic torques so that each piezo-electric motor 60 is pushed to get in touch with it, thus the brake pad 62 that makes motor Contact Transmission rail and guide wheel 241 flexiblely pushes guide rail 302 flexiblely.Form guide wheel 241 and guide rail 302 so that reduce guide wheel with respect to the lateral movement of rail and the position of keeping the AF platform 240 of accurate registration transmission rail and guide rail.Alternatively, this is to finish by each guide wheel 241 that is formed with optional " V " type groove 242 (Fig. 3 D), puts into the guide rail of getting in touch with it in the groove 242.
In some embodiments of the invention, in order to receive the flexible member 246 of getting in touch with the arm 245 of appointment, arm is formed with tapped through hole 330, and as schematically illustrating with dotted line among Fig. 3 D, and the main body of platform is formed with blind hole 331, and is shown in dotted line.Flexible member 246 inserts in being fixed on blind hole 331 by screwed hole 330.The screw thread of setscrew 333 and screwed hole 330 match and screw in the hole so that flexible member 246 is fixed in position.Regulate the degree of depth that setscrew 333 screws in screwed holes 330 with desired compression that flexible member 246 is provided and thereby provide ideal force will be expressed to the transmission rail 301 of getting in touch with the piezo-electric motor 60 that arm 245 is got in touch with arm.
In some embodiments of the invention, the body portion of each arm 245 and platform 240 from and form.Alternatively, arm 245 does not form hole 330, and can insert in the blind hole 331 in the main body that is fixed on platform 240 by this hole flexible member 246, but be formed with the hole that flexible member can be fixed therein, be blind hole alternatively.After settling in the hole that flexible member 246 provides for flexible member between main body and arm, the main body of platform 240 forever is connected on the arm 245 alternatively.Alternatively, arm is soldered subsequently so that it for good and all is connected with main body.
In some embodiments of the invention, configuration is formed the structure of the material of platform 240 and neck 247 so that fully bending and open slit 244 of arm 245, thereby flexible member 246 can be inserted between the main body of arm and platform.
In some embodiments of the invention, thus flexible member is expressed to brake pad on the transmission rail 301 of getting in touch with arm in groove 248 positioned inside to accept piezo-electric motor 60 along the motor edge relative with brake pad 62.Alternatively, be placed in the embodiment of groove 248 inside for flexible member, the AF platform is not formed with slit 244 and AF platform 240 does not comprise arm 245.The flexible member of arm 245 is not used for the brake pad of motor 60 is expressed to its relevant propagation track.Fig. 3 E schematically illustrates and is similar to AF platform 240 but does not form slit 244 and the top view of the AF platform 260 of arm 245.Each piezo-electric motor 60 that places the flexible member 261 in the groove 248 will be installed in the platform is expressed to its relevant transmission rail 301, and motor is installed in the groove 248.
By giving electrodes charging in the piezo-electric motor 60 to excite suitable in the brake pad 62, control AF platform 240 for elliptical vibration alternatively and optionally move up or down transmission rail and guide rail 301 and 302, thereby move and locate its AF camera lens (not shown) along the optical axis 23 of camera module 220.(as mentioned above, " making progress " and " downwards " refer among Fig. 3 A and the 3B towards or away from the direction of convergent lens 21.) vibration makes motor thereby platform " climbing " rail up or down respectively.Alternatively, transmission rail 301 is made up of high-abrasive material and/or is covered by the protectiveness high-abrasive material by the zone that brake pad 62 contacts along the transmission rail.
Though in an embodiment of the present invention, AF platform 240 comprises that its oneself piezo-electric motor 60 is to move and to locate the AF platform along optical axis 23, in some embodiments of the invention, schematically illustrate as Fig. 3 A and 3B, zoom platform 280 does not comprise that alternatively its oneself piezo-electric motor is with mobile platform.As an alternative, be similar to the situation (Fig. 2 A-2E) of camera module 120 and rotary type tower drive system 122 thereof, zoom platform 280 in the climbing drive system 230 is moved by the motion of AF platform 240, and AF platform 240 is formed with two coupling arms 250 alternatively and forms so that the zoom platform is coupled to the AF platform.Fig. 3 C is clearly shown that the details of coupling arm 250, and the function class of its execution is similar to function and each coupling arm that coupling arm 170 is carried out in the capstan head drive system 122 and is formed with tooth 251.The operation of coupling arm and the motion of zoom platform 280 are discussed below.
Zoom platform 280 comprises that alternatively column part 281 that the zoom lens (not shown) is installed and at least two are installed to the arm 282 of transmission rail 301 alternatively with lens bracket, thereby the zoom platform can freely be moved up or down along the transmission rail.Column part 281 is formed with base flange 283 and top and base channel 284 and 285.Top and base channel 284 and 285 play the retaining of grabbing of elasticity kayser 290 shown in Fig. 3 A and the 3B, and kayser 290 extends downwards from top panel 303 alternatively.Elasticity kayser 290 comprise kayser tooth 291 and make groove 284 and 285 setting with coupling kayser tooth.
Kayser 290 and top slot 284 cooperates and zoom platform 280 rested in wide-angle position and kayser and base channel 285 cooperate zoom platform 280 is rested in the telephotography position.As shown in Figure 3A, when kayser tooth 291 was fixed in the top slot 284, zoom platform 280 thereby the zoom lens that is installed on it were fixed on wide-angle position relatively along optical axis 23 away from convergent lens 21.Shown in Fig. 3 B, when kayser tooth 291 was fixed in the base channel 285, zoom platform thereby the zoom lens that is installed on it were fixed on the telephotography position along optical axis 23.
For (Fig. 3 B) moves to wide-angle position (Fig. 3 A) from the telephotography position with zoom platform 280, control piezo-electric motor 60 makes the climbing downwards of AF platform fasten the base flange 283 of zoom platform up to the tooth 251 of coupling arm 250.Thereafter, the 240 downward continuation translations of AF platform make kayser tooth 291 break away from and pull down zoom platform 280 from base channel 285 and mesh up to kayser and top slot 284, and zoom platform and zoom lens thereof are rested in the wide-angle position shown in Fig. 3 A.Zoom platform 280 is rested in after the wide-angle position, and AF platform 240 can be along optical axis 23 one section distance by 293 indications of four-headed arrow line of translation upwards, and breaks away from zoom platform 280 from wide-angle position.AF platform 240 can be positioned on along a bit any of the distance of being indicated by four-headed arrow line 293 so that with the scene of wide configuration focusing by camera module 120 imagings.
For zoom platform 280 being retracted telephotography position (Fig. 3 B), AF platform 240 moves up up to contact zoom platform 280 and upwards pushes away the zoom platform thereafter and with base channel 285 engagements the zoom platform rested in the telephotography position up to kayser 290.Because zoom platform 280 is in the telephotography position, AF platform 240 can move down one section distance by 294 indications of four-headed arrow line, and does not break away from the zoom platform from the telephotography position.AF platform 240 can be positioned on along a bit any of distance 294 so that with the scene of telephotography configuration focusing by camera module 120 imagings.
Certainly kayser 290 needn't be installed to top panel 303 and extend downwards from top panel 303.Other configuration that is suitable for realizing kayser of the present invention also can be used and may be favourable.For example, Fig. 3 F schematically illustrates according to the camera module 320 of climbing transmission 322 that is similar to climbing transmission 230 (Fig. 3 A) comprising of embodiments of the invention, wherein stops kayser 324 and is installed to bottom panel 304 and extends upward from bottom panel 304.
Fig. 3 G schematically illustrates another configuration according to the kayser 350 in the climbing drive system 344 that is included in camera module 340 of embodiments of the invention.Although in rotary type tower transmission and climbing drive system 122 and 230, kayser Contact Coupled arm 170 and 250 not during system operation, kayser 350 is at the operating period of climbing drive system 344 Contact Coupled arm 250.Thereby making kayser have certain shape makes the coupling arm contact and power is applied to kayser so that kayser breaks away from from the groove 284 or 285 of its arrangement.
Fig. 3 H schematically illustrates according to kayser 350 shown in Fig. 3 G of embodiments of the invention and corresponding coupling arm 250 thereof with respect to the base flange 283 of zoom platform 280 and the configuration detail of top and base channel 284 and 285.Fig. 3 H illustrates the part that coupling arm 250 is connected to AF platform 240 shown in Fig. 3 G, in the drawings by digital 240 marks.
Kayser 350 is alternatively by the resilient spring like made and comprise bar 351, the release handle 353 that it is formed with zone 352 and extends on one side at bar 351, and zone 352 is called " the grabbing retaining " that is suitable for stinging into and fastens groove 284 and 285 hereinafter.As mentioned previously, coupling arm 250 has a tooth 251 and first and second inclined planes or surface 360 and 362, and it is respectively on the both sides of vertical (that is the optical axis 23 that, is parallel to camera module 120 shown in Fig. 3 G) face 361.Tilt and vertical plane 360-362 mesh release handle 353 at the AF platform between 240 moving periods, thus with from wide-angle and telephotography position one to another move zoom platform 280 and to handle apply power and with handle lift make kayser 350 grab retaining 352 respectively from the groove 284 or 285 disengagings of its arrangement.
Fig. 3 I illustrates the operation of zoom platform 280 coupling arm 250 and kayser 350 moving period from wide-angle position to the telephotography position with the time sequencing of image, wherein grab retaining 352 engagement in top slot 284, grab retaining 352 engagement in base channel 285 in the telephotography position at wide-angle position.Image among the figure has shown the relative position of kayser and coupling arm between the moving period of zoom platform.In the drawings, the time from left to right increase and sequence in each image all use alphabetic(al) letter mark.In the alphabet image of the letter of back more order mark more on the right, it is slower more than the image on the left side in time.Fig. 3 J illustrates the operation of zoom platform 280 coupling arm 250 and kayser 350 moving period from the telephotography position to wide-angle position with the time sequencing of image.
Though the camera module among Fig. 3 A, 3B, 3F and the 3G includes the AF platform of piezo-electric motor and does not have piezo-electric motor and the zoom platform that moved by the AF platform, in some embodiments of the invention, AF and zoom platform are all independently moved and the location by its oneself piezo-electric motor.
Fig. 4 schematically illustrates the camera module 400 of climbing drive system 402 that comprises according to embodiments of the invention, and wherein climbing drive system has AF platform 404 and zoom platform 406, and each platform all is equipped with its oneself piezo-electric motor 60.Alternatively, these platform class seemingly.Alternatively, though the configurations of lenses of installing with platform and the assembly that corresponding camera lens is installed to platform may be made an exception, platform is identical.
The motion of independent control AF and zoom platform 404 and 406 and location make its corresponding AF and zoom lens can locate independently of one another and move.As a result, move by the AF platform with restriction zoom platform and suppose along the camera module optical axis and compare that camera module 400 is more flexible usually at the camera module of the fixed position of limited quantity mobile platform.According to embodiments of the invention, the magnification ratio successive range that the magnification ratio successive range that provides the camera module that is similar to camera module 400 of the independent control of AF and zoom platform to be set to provide usually provides greater than the camera module that independent control is not provided.
Though notice that it is to be set to enough for a short time of integrating with mobile phone that camera module according to embodiments of the invention is said to be, and also can manufacture different sizes and is not limited to use according to the camera module of embodiments of the invention in mobile phone or portable terminal.For example, being similar to the camera module of the exemplary embodiments of above-mentioned camera module can " stock size " make and is used for or as " conventional camera ".According to the relatively little camera module of embodiments of the invention, as be suitable for integrating with little mobile phone, can integrate with for example bar code reader or personal accessory and/or wearable accessory such as key chain and glasses.
In the specification and claim of present specification, the tabulation fully of the subject that each verb " comprises ", " comprising " and " having " and wherein conjugation all are used to indicate an object of verb or a plurality of object needs not to be verb or member, part, element or the part of a plurality of subjects.
The present invention describes with the embodiment that wherein describes in detail, and these embodiment provide and be intended to not be limit scope of the present invention as an example.Described embodiment comprises different features, does not require all features in all embodiment of the present invention.Some embodiments of the present invention are only utilized may making up of some features or feature.The distortion of the described embodiment of the invention and comprise that the embodiment of the invention of the various combination of the feature of mentioning among the described embodiment exists those skilled in the art.Scope of the present invention is only limited by following claim.

Claims (67)

1. camera module with optical axis comprises:
At least one platform, described platform are formed with screw thread formation and comprise reception and transmit at least one camera lens that arrives the light of described camera module from the scene by described module imaging;
Different power transmission shafts, it has the axle of the optical axis that is parallel to each platform in described at least one platform, described power transmission shaft be formed with described platform in the screw thread of described threaded engagement;
Contact-making surface, when it was coupled to each power transmission shaft with the rotation of the described contact-making surface of box lunch, described power transmission shaft also rotated; With
Piezo-electric motor, its controllably rotate described contact-making surface and thereby rotate described power transmission shaft, moving and to locate described platform, the screw thread of described platform and threaded engagement along the described axle of described optical axis.
2. camera module as claimed in claim 1, at least one the linear steering body that is parallel to described optical axis is arranged, described at least one platform in fact freely moves along described guide way, stoped described platform to rotate, the screw thread of described power transmission shaft and the threaded engagement of described platform with respect to described power transmission shaft.
3. camera module as claimed in claim 1 or 2, wherein, described contact-making surface is the surface of being coupled to the drive of described power transmission shaft, described drive has the axle of rotating shaft parallel in the rotation of described power transmission shaft.
4. as any one described camera module in the claim of front, wherein, the described piezo-electric motor that rotates described contact-making surface comprises the coupling surface that is forced into described contact-making surface, and the motion of wherein said coupling surface is rotated described contact-making surface and thereby rotated described power transmission shaft.
5. as any one described camera module in the claim of front, wherein, described piezo-electric motor includes the rectangle piezoelectric oscillator of the edge surface of big parallel front face surface and weak point and length.
6. camera module as claimed in claim 5, wherein, the described coupling surface of described motor is positioned on the edge surface of described oscillator.
7. camera module as claimed in claim 6, wherein, described edge surface is short edge surface.
8. as any one described camera module among the claim 5-7, comprise motor bracket, described motor bracket keeps described piezo-electric motor, and described motor bracket has long edge surface to be parallel to described optical axis in fact.
9. as any one described camera module among the claim 4-8, it comprises a flexible member, and described flexible member promotes described piezo-electric motor so that its coupling surface presses described contact-making surface.
10. camera module as claimed in claim 8 or 9 comprises the camera module cabinet, and described motor bracket is installed to described camera module cabinet.
11. camera module as claimed in claim 10, wherein, described camera module cabinet is essentially cube shaped.
12. as claim 10 or 11 described camera modules, wherein, described camera module cabinet comprises at least one bearing that is used for each power transmission shaft, described power transmission shaft is installed to described bearing.
13. camera module as claimed in claim 12, wherein, the bearing in described at least one bearing that power transmission shaft is installed to is spring-loaded.
14. as any one described camera module in the claim of front, wherein, described at least one platform comprises a plurality of platforms.
15. camera module as claimed in claim 14, wherein, described a plurality of platforms comprise two platforms.
16. the camera module that optical axis is arranged comprises:
Transmission tube, it can and have the axle that the threaded inner surface of formation reaches the rotation consistent with described optical axis around described optical axis rotation;
First platform, the inside that it is installed in described transmission tube has with the screw thread of the described threaded engagement of described transmission tube and comprises and receiving and transmission arrives at least one camera lens of the light of described camera module from the scene by described module imaging;
At least one guide rail, described first platform freely slides along described guide rail, has stoped described platform rotation when described transmission tube rotates; With
At least one piezo-electric motor, it controllably rotates described transmission tube and also thereby along described optical axis moves and locate described first platform.
17. camera module as claimed in claim 16, wherein, described piezo-electric motor comprises the coupling surface of the contact-making surface that is forced into described transmission tube, and described motor is controlled in its coupling surface generation motion to rotate described transmission tube.
18. camera module as claimed in claim 17, wherein, described transmission tube comprise with concentric annular ring and the described contact-making surface of the described axle of described transmission tube be the surface of described circle.
19. as any one described camera module among the claim 16-18, wherein said piezo-electric motor comprises the rectangle piezoelectric oscillator of the edge surface with big parallel front face surface and weak point and length.
20. the described camera module of claim 19, wherein, the described coupling surface of described piezo-electric motor is positioned on the edge surface of described oscillator.
21. camera module as claimed in claim 20, wherein, described edge surface is short edge surface.
22. as any one described camera module among the claim 19-21, comprise motor bracket, described motor bracket keeps described piezo-electric motor, the long edge of described motor bracket is parallel to described optical axis in fact.
23. camera module as claimed in claim 22 comprises the camera module cabinet, described motor bracket is installed to described camera module cabinet.
24. as any one described camera module in the claim of front, comprise a flexible member, described flexible member promotes described piezo-electric motor so that the coupling surface of described piezo-electric motor presses described contact-making surface.
25. as any one described camera module among the claim 17-24, comprise second platform, described second platform is installed in the inside of described transmission tube and has reception and transmit at least one camera lens that arrives the light of described camera module from described scene.
26. camera module as claimed in claim 25, wherein, described second platform not with the screw thread of the described threaded engagement of described transmission tube.
27. as claim 25 or 26 described camera modules, wherein, described second platform freely slides along described at least one guide rail.
28. as any one described camera module among the claim 25-27, wherein, described second platform is coupled to described first platform so that can slide along described optical axis between first and second positions with respect to described first platform.
29. camera module as claimed in claim 28, wherein, described first and second platforms contact in fact at described primary importance place.
30., comprise that at least one kayser and coupling grab retaining and operationally described second platform is fixed at least one pre-position along described optical axis as any one described camera module among the claim 16-29.
31. camera module as claimed in claim 30, wherein, the described retaining of grabbing is included in the groove that forms in described second platform.
32. camera module as claimed in claim 31, wherein, described kayser extends along the direction that is parallel to described optical axis.
33. the camera module that optical axis is arranged comprises:
At least one transmission rail, it is parallel to described optical axis;
At least one first platform, it comprises at least one camera lens, described at least one camera lens reception and transmission arrive the light of described camera module from the scene by described module imaging, and comprise at least one piezo-electric motor, described at least one piezo-electric motor has coupling surface, described at least one the transmission rail of described coupling surface contact;
Wherein, described at least one piezo-electric motor controllably excites in described coupling surface internal vibration power is applied to described transmission rail, so that move and locate described first platform along described optical axis.
34. camera module as claimed in claim 33, wherein, described at least one transmission rail comprises a plurality of parallel transmission rails.
35. camera module as claimed in claim 34, wherein, described at least one piezo-electric motor comprises the different piezo-electric motor that is used for each transmission rail, and described motor has the motor coupling surface of the described transmission rail of contact.
36. as any one described camera module among the claim 33-35, wherein, described platform comprises the arm of each piezo-electric motor that is used for described at least one piezo-electric motor, described arm maintains described motor and is connected to the main centerbody of described platform.
37. camera module as claimed in claim 36, wherein, described arm is connected to the described main body of described platform by thin relatively neck, described neck grease make described arm flexibly bending leave described main body.
38. as claim 36 or 37 described camera modules, wherein, described arm is a global facility of the described platform that defined by the groove that forms in the described platform.
39. as any one described camera module among the claim 36-38, comprise elastomer, described elastomer presses described coupling surface to contact the transmission rail in described at least one transmission rail.
40. camera module as claimed in claim 39, wherein, described elastomer operation promotes the described main body that described arm leaves described platform.
41. as any one described camera module among the claim 33-39, comprise at least one guide rail that is parallel to described transmission rail, described platform in fact freely slides along described guide rail, stops described platform to rotate with respect to described transmission rail.
42. camera module as claimed in claim 40 comprises at least one guide rail that is parallel to described transmission rail, described platform in fact freely slides along described guide rail, has stoped described platform to rotate with respect to described transmission rail.
43. camera module as claimed in claim 42, wherein, by at the described coupling surface of each motor be forced into power that the described elastomer between the described transmission rail on it produces and produce moment of torsion and promote described platform to described at least one guide rail.
44. as any one described camera module among the claim 41-43, wherein, described platform comprises at least one bearing, described bearing has the assembly that rolls along described at least one guide rail.
45. camera module as claimed in claim 44, wherein, the assembly of described rolling and described guide rail have corresponding complementary surface, stop assembly laterally the moving with respect to described guide rail of described guide rail and rolling in fact.
46. camera module as claimed in claim 45, wherein, one of described complementary surface is a convex surface, and another is a concave surface.
47. as any one described camera module among the claim 44-46, wherein, the assembly of described rolling comprises takes turns.
48. camera module as claimed in claim 47, wherein, the described wheel is formed with groove, the form fit of the complementary surface of described groove and described guide rail.
49. as any one described camera module among the claim 41-48, wherein, described at least one guide rail comprises a plurality of parallel guide rails.
50. as any one described camera module among the claim 33-49, wherein, described at least one first platform comprises two first platforms.
51. as any one described camera module among the claim 33-50, comprise second platform, described second platform has reception and transmits at least one camera lens that arrives the light of described camera module from described scene.
52. camera module as claimed in claim 51, wherein, described second platform is coupled to one first platform in described at least one first platform, thereby described second platform can slide between first and second positions with respect to described first platform along described optical axis.
53. camera module as claimed in claim 51, wherein, described first and second platforms contact in fact at described primary importance place.
54., comprise that at least one kayser and coupling grab retaining and operationally described second platform is fixed at least one pre-position along described optical axis as any one described camera module among the claim 51-53.
55. camera module as claimed in claim 54, wherein, the described retaining of grabbing comprises a groove that forms in described second platform.
56. as claim 54 or 55 described camera modules, wherein, described kayser extends along the direction that is parallel to described optical axis.
57. as any one described camera module in the claim of front, comprise a convergent lens, described convergent lens receive from described scene arrive the light of described camera module and with the optical transmission that receives to described at least one camera lens that is included in described at least one platform.
58., comprise that a photosurface is used to respond to the light of the described scene of coming free described camera imaging as any one described camera module in the claim of front.
59. a portable terminal comprises as any one described camera module in the claim of front.
60. portable terminal as claimed in claim 59 comprises the transmission and/or the communication module of received signal.
61., comprise display screen as claim 59 or 60 described portable terminals.
62. as any one described portable terminal among the claim 59-61, comprise cabinet, the assembly of described terminal be housed in the described cabinet.
63. portable terminal as claimed in claim 62, wherein, the size of described cabinet equals the size of described camera module in fact.
64. as the described portable terminal of claim 63, wherein, the described thickness that is of a size of described cabinet of described cabinet.
65. as claim 63 or 64 described portable terminals, wherein, described camera module described is of a size of the full-size that described camera module is parallel to its optical axis.
66. as any one described portable terminal among the claim 59-65, wherein, described portable terminal comprises mobile phone.
67. as any one described portable terminal among the claim 59-65, wherein, described portable terminal comprises bar code reader.
CN200580040634.9A 2004-09-29 2005-09-27 Camera modules with lens transmission device Pending CN101065957A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP283193U/2004 2004-09-29
JP283060U/2004 2004-09-29
JP2004283193A JP4317508B2 (en) 2004-09-29 2004-09-29 Camera module and portable terminal equipped with the camera module
JP283061U/2004 2004-09-29

Publications (1)

Publication Number Publication Date
CN101065957A true CN101065957A (en) 2007-10-31

Family

ID=36238503

Family Applications (2)

Application Number Title Priority Date Filing Date
CN200580040634.9A Pending CN101065957A (en) 2004-09-29 2005-09-27 Camera modules with lens transmission device
CN200580040635.3A Pending CN101065856A (en) 2004-09-29 2005-09-29 Camera modules

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN200580040635.3A Pending CN101065856A (en) 2004-09-29 2005-09-29 Camera modules

Country Status (2)

Country Link
JP (1) JP4317508B2 (en)
CN (2) CN101065957A (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101556366B (en) * 2008-04-09 2010-09-29 鸿富锦精密工业（深圳）有限公司 Zoom lens driving device
CN101620309B (en) * 2008-06-30 2011-03-23 鸿富锦精密工业（深圳）有限公司 Clamping device and zooming device with same
CN102213813A (en) * 2010-02-11 2011-10-12 徕卡显微系统(瑞士)股份公司 System for guiding optical elements
CN102436123A (en) * 2010-09-29 2012-05-02 Hoya株式会社 Imaging unit
CN101960351B (en) * 2008-04-15 2012-08-15 并木精密宝石株式会社 Lens actuator
CN102782552A (en) * 2009-12-23 2012-11-14 通用电气检查技术有限公司 System for providing two position zoom-focus
CN103582838A (en) * 2011-07-05 2014-02-12 株式会社尼康 Drive device, optical device, and image capture device
CN107121752A (en) * 2017-06-19 2017-09-01 中山联合光电科技股份有限公司 A kind of Zoom optic lens
CN108008515A (en) * 2017-12-28 2018-05-08 长春长光精密仪器集团有限公司 A kind of focus control of optical system
CN108496105A (en) * 2016-02-02 2018-09-04 索尼公司 Optical device driving equipment, Interchangeable lens and imaging device
CN111064874A (en) * 2019-12-26 2020-04-24 维沃移动通信（杭州）有限公司 Electronic device
CN112887555A (en) * 2021-01-22 2021-06-01 维沃移动通信有限公司 Piezoelectric motor, camera module and electronic equipment
CN113116317A (en) * 2021-03-01 2021-07-16 屈在留 Intelligent nursing device and system for nursing home based on intellectualization

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI479126B (en) * 2013-09-02 2015-04-01 Univ Feng Chia Automatic optical inspection device and method for the assembly and evaluation of the optical encoder
CN112492130B (en) 2019-09-12 2021-10-01 华为技术有限公司 Camera module and mobile terminal

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101556366B (en) * 2008-04-09 2010-09-29 鸿富锦精密工业（深圳）有限公司 Zoom lens driving device
CN101960351B (en) * 2008-04-15 2012-08-15 并木精密宝石株式会社 Lens actuator
CN101620309B (en) * 2008-06-30 2011-03-23 鸿富锦精密工业（深圳）有限公司 Clamping device and zooming device with same
CN102782552A (en) * 2009-12-23 2012-11-14 通用电气检查技术有限公司 System for providing two position zoom-focus
CN102782552B (en) * 2009-12-23 2016-01-20 通用电气检查技术有限公司 For providing the system of the zoom-focusing of two positions
CN102213813A (en) * 2010-02-11 2011-10-12 徕卡显微系统(瑞士)股份公司 System for guiding optical elements
CN102436123A (en) * 2010-09-29 2012-05-02 Hoya株式会社 Imaging unit
CN103582838A (en) * 2011-07-05 2014-02-12 株式会社尼康 Drive device, optical device, and image capture device
CN108496105A (en) * 2016-02-02 2018-09-04 索尼公司 Optical device driving equipment, Interchangeable lens and imaging device
CN108496105B (en) * 2016-02-02 2021-06-22 索尼公司 Optical device driving apparatus, interchangeable lens, and imaging apparatus
CN107121752A (en) * 2017-06-19 2017-09-01 中山联合光电科技股份有限公司 A kind of Zoom optic lens
CN108008515A (en) * 2017-12-28 2018-05-08 长春长光精密仪器集团有限公司 A kind of focus control of optical system
CN111064874A (en) * 2019-12-26 2020-04-24 维沃移动通信（杭州）有限公司 Electronic device
CN111064874B (en) * 2019-12-26 2021-08-10 维沃移动通信（杭州）有限公司 Electronic device
CN112887555A (en) * 2021-01-22 2021-06-01 维沃移动通信有限公司 Piezoelectric motor, camera module and electronic equipment
CN113116317A (en) * 2021-03-01 2021-07-16 屈在留 Intelligent nursing device and system for nursing home based on intellectualization

Also Published As

Publication number Publication date
CN101065856A (en) 2007-10-31
JP2006098600A (en) 2006-04-13
JP4317508B2 (en) 2009-08-19

Similar Documents

Publication Publication Date Title
CN101065957A (en) Camera modules with lens transmission device
CN1190951C (en) Turret device and optical device
CN1797058A (en) Lens actuating device, camera module and portable electronic equipment
CN1682536A (en) Sign language video presentation device, sign language video i/o device, and sign language interpretation system
KR20070090148A (en) Camera modules
CN1494701A (en) Information terminal
CN1906533A (en) Dome type video camera
CN101060761A (en) Pivoting mechanism for stand and electronic apparatus
CN1577032A (en) Lens driving device
CN1776520A (en) Lens barrel and electronic device
US20070071428A1 (en) Compact zoomable camera device for portable digital electronic devices
CN1661410A (en) Optical module and camera module
CN1928698A (en) Imaging apparatus
CN1949073A (en) Image taking apparatus
CN1910905A (en) Image pickup element driving device, and image pickup device and monitoring camera device using such image pickup element driving device
CN1598681A (en) Optical apparatus provided with image-shake correction function
CN101063831A (en) Conveying device
CN1704789A (en) Lens driving device and imaging device
CN1527087A (en) Driving equipment
CN1798994A (en) Imaging device, mobile terminal having the same, and imaging device assembling method
CN1707345A (en) Image-taking apparatus
CN1725051A (en) Optical module and camera module
CN1906929A (en) Display device
CN1940640A (en) Pick-up device with hand vibration correction function
CN1831658A (en) Document reader

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication