37results about How to "Realize the auto focus function" patented technology

The invention discloses a multispectral image capture system which comprises a multispectral imaging lens, wherein a complementary metal oxide semiconductors (CMOS) image sensor for photographic imaging is arranged behind the multispectral imaging lens, and is fixedly arranged on an optical table, the multispectral imaging lens comprises a multi-channel filter and an array micro lens, and each lens unit of the array micro lens and one filter unit of the multi-channel filter form an optical channel. The multispectral image capture system adopts the multispectral imaging lens which is integrated with the multi-channel filter and the array micro lens, and accordingly, the problem of reduced imaging quality which is caused by the unmatched relative positions of the filter and the lens is solved under the condition of external disturbance; in addition, the filter adopts a multi-film system structure of an interference filter, so the multi-channel integration of visible light and near-infrared bands can be realized; and furthermore, a micro linear motor is introduced into the system, and accordingly, the automatic focusing function of the system is realized.

The present invention relates to a drive device, in particular to a motor for driving a liquid lens and a lens group. The motor comprises a seat body, a carrier, a first resetting member, a sensor anda driving assembly; the carrier is movably disposed in the seat body in a direction towards or away from the liquid lens; the driving assembly comprises a rotor disposed on the carrier and a stator disposed on the base body, and the stator drives the rotor to move up and down along an optical axis and/or to deflect around the optical axis; the first resetting member is disposed on the liquid lensand acts on the carrier when the carrier moves to provide a reset force for restoring an initial position of the carrier; the sensor and the rotor are correspondingly fixedly arranged in the seat body for sensing the displacement of the mover or the change of the magnetic field; the carrier moves to act on the first resetting member, the first resetting member is displaced relative to the liquidlens so as to adjust the curvature of the liquid lens, and when restoring to the initial position, the first resetting member provides the reset force for restoring to the initial position for the carrier. The motor of the present invention has the advantage of precise control of the liquid lens.

An optical automatic detection system for TFT-LCD defects comprises an automatic focal length adjustable lens, an industrial camera, a screen capture rotating mechanism, a screen lightening device, avision controller, a detection result displayer, a mechanical hand and a controller. When TFT-LCD defects are automatically detected, the screen lightening device firstly drives the TFT-LCD to displaya first detection picture, meanwhile, an instruction is transmitted to the vision controller, the vision controller receives the instruction and then controls the industrial camera to take a picture,and a picture processing procedure of the corresponding detection picture is operated. Then, a second detection picture is detected, and circular operation is sequentially performed till all the TFT-LCD detection pictures are displayed and detection is completed. Finally, the result is sent to the detection result displayer. In order to improve the detection accuracy, the vision controller controls the focal length adjustable lens to perform automatic focusing. In order to improve the detection efficiency, the screen capture rotating mechanism at the tail end of the mechanical hand performs rapid picking and placing. The system has the advantages of being high in detection accuracy rate and detection efficiency.

The invention discloses a zoom optical system. The zoom optical system comprises a light sensing chip (30), wherein a first lens group (10) capable of moving relative to the light sensing chip is arranged on one side of the light sensing chip (30); a second lens group (20) capable of moving relative to the light sensing chip (30) is arranged between the first lens group (10) and the light sensing chip (30); a diaphragm (40) fixed relative to the position of the light sensing chip (30) is arranged between the second lens group (20) and the first lens group (10); in the changing process of the zoom optical system from a short focal distance to a long focal distance, the first lens group (10) and the second lens group (20) get close towards the diaphragm (40) gradually; and moreover, the integral focal distance of the first lens group (10) is negative, and the integral focal distance of the second lens group (20) is positive. The zoom optical system is small in size, large in image plane and high in resolution ratio.

The invention provides an image processing method, apparatus and equipment, and relates to the field of image processing. The method includes the steps of obtaining an input image, dividing the input image into a plurality of image blocks, obtaining the number of fuzzy image blocks from the image blocks, and determining whether the input image is a fuzzy image according to the number of fuzzy image blocks. Whether an input image is a fuzzy image can be determined accurately, the fuzzy degree of the input image can be further calculated, and automatic focusing function of a camera or a projector can be realized.

The invention relates to a driving device, and particularly relates to a motor used for driving a liquid lens and a lens group. The motor comprises a base, a supporting frame, a carrier and a drivingassembly, the base is used for fixedly installing a first lens and the liquid lens which are distributed along an optical axis and are correspondingly arranged; the carrier can be movably arranged inthe base facing towards or away from the liquid lens; the driving assembly comprises a motor arranged on the carrier and a stator arranged on the base, the stator drives the rotor to move up and downalong the optical axis and/or move deflecting from the optical axis; the supporting frame is arranged close to the carrier and is movably connected with a moving plate of the liquid lens; the carriercan be in butt joint with the supporting frame; the rotor drives the carrier to move the driving supporting frame, the moving plate is driven to move by the supporting frame to adjust the curvature ofthe liquid lens, and restoring force is provided for the carrier to allow the carrier to return to an initial position when the moving plate restores to an initial state. The motor has the advantagesthat the components are less, the structure is simple, and the driving power consumption is low.

The invention belongs to the technical field of camera brake devices, in particular to a split-type low-power-consumption small automatic focusing brake device. The split-type low-power-consumption small automatic focusing brake device includes a shell, a spring, a picture sensor carrier, at least one magnet, at least one independent coil and an elastic circuit board; the spring, the picture sensor carrier and the elastic circuit board form a spring vibrator system which has uniaxial displacement freedom degrees, the magnets are arranged on the inner wall of the shell, the independent coils are arranged on the picture sensor carrier and correspond to the magnets, and after being powered on, the independent coils are affected by ampere force in magnetic fields of the magnets. The structureof the split-type low-power-consumption small automatic focusing brake device cannot generate non-linear friction and has the advantages of being good in dust-prevention and heat-dissipation effect.

The invention discloses a multifunctional curved-surface physical evidence image flattening instrument and belongs to the technical field of sampling. According to the multifunctional curved-surface physical evidence image flattening instrument, an object to be detected is automatically rotated and spread through a rotary objective table, an image control system sends a completion signal to a computer after the object to be detected is spread, then the computer controls starting and stopping of a CCD digital imaging system and an illuminating combined light source, a lifting control mechanism adjusts the height of the CCD digital imaging system and the height of the illuminating combined light source, a horizontal movement control mechanism adjusts the horizontal position of the rotary objective table, a control rotary motor adjusts the movement of an automatic adjustment arm so that the object can be fixed and regulates the rotating speed of the rotary objective table so that the object to be detected can rotate on the rotary objective table by a plurality of angles, the CCD digital imaging system is used for obtaining the image information, at any angles, of the surface of the object to be detected, the image information is transmitted to the image control system, and then image integration is achieved by conducting data processing. According to the multifunctional curved-surface physical evidence image flattening instrument, plane image information can be obtained from a curved surface through automatic rotation and scanning of the rotary objective table by means of corresponding image processing software.

The invention discloses a multifunctional machine vision device which comprises a straight-tube main body and an LED fiber illuminator. The straight-tube main body assembly has a main light-path channel and an illumination light-path channel, and the bottom of the illumination light-path channel bends towards the main light-path channel. The LED fiber illuminator is installed on the upper end of the illumination light-path channel. The LED fiber illuminator comprises an LED lamp, a condenser assembly and fiber which are arranged from top to bottom. The upper transverse plane of the fiber is arranged on the front focal plane of the LED lamp of the condenser assembly so as to change point light sources into an area source. As the transverse plane of the fiber is arranged on the focal plane of the LED lamp with a condenser, defects of small illumination range and nonuniform brightness existing in present LEDs can be overcome, energy from the LED lamp source can be conducted to the maximum, and a microscope with multiple using functions can be formed through multiple combinations. The multifunctional machine vision device has a simple structure, requires low cost, has stable performance, accords with man-machine function and is convenient to operate.

The invention relates to a driving module, an image acquisition device and electronic equipment. The driving module comprises a base, a carrier and a driving assembly, wherein the base comprises a guide part and a protruding part, and the protruding part is fixedly arranged on the guide part and protrudes relative to the guide part; the carrier is embedded with the guide part, is used for mounting a lens module and comprises a contact surface, and the contact surface is arranged along the direction of the optical axis and is opposite to the protruding part; and the driving assembly is arranged between the base and the carrier and is suitable for driving the carrier to move along the direction of the optical axis, and the carrier is driven by the driving assembly to move relative to the protruding part. The image acquisition device comprises a lens module and the driving module, wherein the lens module is mounted on the carrier. The electronic equipment comprises a shell, a display screen and the image acquisition device, wherein the display screen is connected to the shell, and the image acquisition device is arranged in the shell. According to the driving module, the guide part and the protruding part are used as a whole to replace a special sliding guiding structure, so the part structure of the driving module is simplified.

The invention discloses a varifocal optical system having ultra thin type and low cost, which comprises a light-sensitive chip, a first lens group, a second lens group, a third lens group and a diaphragm, wherein the first lens group is changed relative to the position of the light-sensitive chip in the zooming process; the second lens group is changed relative to the positions of the light-sensitive chip and the first lens group in the zooming process; the third lens group can directly adjust a back focus; and the diaphragm is arranged between the first lens group and the second lens group. The focus of the whole first lens group is negative, the focus of the whole second lens group is positive, and the focus of the whole third lens group is positive. The system has the advantages of small volume, ultra thin type, light weight, medium aperture, popularized technological requirements and the like, and is widely applied in the aspects of cameras and camera mobile phones.

The invention relates to a driving device for realizing automatic focusing of a camera, and the device is provided with a support module and a moving part suitable for mounting and assembling a lens.The moving part is assembled on the support module through a suspension system to realize the movement along the optical axis of the lens. The device further comprises a pair of driving modules. The driving modules are symmetrically arranged on the opposite sides of the moving part. The driving modules are driven based on the SMA wire thermal contraction principle and provided with driving arms topush the moving part to move along the optical axis of the lens, wherein the directions of the two driving modules for driving the moving part to move along the optical axis of the lens are consistent, and single-direction inclination angle adjustment of the lens is achieved through the separate control of the two driving modules. The automatic focusing of the lens is driven by utilizing the characteristic that the SMA wire is heated to shrink, and the closed-loop control over movement of the lens is achieved by utilizing resistance of the SMA wire as feedback; the product structure is light,handy and miniaturized, and the control is easy, convenient and accurate.

The invention relates to an actuating motor device which is provided with a supporting structure, a movable assembly and a memory alloy actuator; the movable assembly is assembled on the supporting structure and obtains a first axial direction for guiding the moving direction of the movable assembly, the movable assembly is provided with two or more moving parts, and the moving parts move in a graded mode in the first axial direction; the memory alloy actuator is used for driving the moving parts of the movable assembly to move in the first axial direction. By designing the structural system of the movable assembly, the moving parts in the movable assembly move in a graded mode in the first axial direction, the size is small, work is stable and reliable, and a large focusing stroke is obtained. The actuating motor device is used for manufacturing a camera assembly, can drive a lens to move up and down, achieves the automatic focusing function of the lens, achieves the grading movementfocusing, increases the focusing function of the lens, is light and miniaturized in product structure, reduces the manufacturing cost, is simple, convenient and precise in control, and is suitable forpopularization and application.

The invention discloses a satellite-borne ultra-miniature monitoring camera, and the camera comprises a camera shell; a camera structural member is installed in the camera shell, a specially-made rigid-flexible integrated circuit board is installed and fixed in the camera structural member through a second screw, and a focal plane module, a signal processing module and an interface circuit module are installed on the specially-made rigid-flexible integrated circuit board; an automatic focusing voice coil motor lens is installed at one end of the special rigid-flexible integrated circuit board, and the automatic focusing voice coil motor lens is covered with an anti-radiation glass assembly. The invention has the advantages of simple structure, small volume, low power consumption, low cost and short production period, and has a certain anti-radiation function.

The invention, which relates to the safety protection equipment, provides an automatic focusing apparatus for a telephoto lens. The automatic focusing apparatus comprises a processor, a video source docking interface, a control signal conversion chip, a lens control wiring interface, a video output interface and a power input interface, wherein the video source docking interface, the control signal conversion chip, the lens control wiring interface, the video output interface and the power input interface are connected with the processor; and the control signal conversion chip is also connected with the lens control wiring interface. In addition, the automatic focusing apparatus also includes a cloud deck control line interface connected with the control signal conversion chip. The automatic focusing apparatus having a function of realizing automatic focusing of a telephoto lens supports the 3D control function for the cloud deck and the lens and can be applied to automatic focusing of the telephoto lens in video imaging and 3D coordinate positioning during video event detection linkage alarming, so that the image needed by video alarm can be amplified precisely.

According to the camera module and the electronic equipment, the camera module comprises a lens assembly, an elastic supporting structure, a chip assembly and a power assembly, the chip assembly is arranged on a movable plate of the elastic supporting structure, and the power assembly comprises a first support, a connecting support, a first elastic component and a first power component. The first support is connected to a bearing plate of the elastic supporting structure, the connecting support is connected to the chip assembly, the two ends of the first elastic component are connected to the first support and the connecting support respectively, and the first elastic component bends and extends in the first direction. The first direction is the direction from the joint of the first elastic component and the first support to the joint of the first elastic component and the connecting support, and the first power component is connected to the first support and the connecting support and used for enabling the chip assembly to move in the optical axis direction for automatic focusing. By adopting the embodiment of the invention, the resistance borne by the chip assembly when the chip assembly moves along the optical axis direction can be reduced while the miniaturization design of the camera module is realized, and the response speed of automatic focusing is improved.