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105results about How to "No ghosting" patented technology

3d imaging system and method

A 3D imaging system includes a colour display and 3D glasses. The 3D glasses comprise a first eyeglass and a second eyeglass, each of which is provided with an interference filter. The interference filter of the first eyeglass only allows one colour of RGB to pass through, and the interference filter of the second eyeglass only allows the other one or two colours of RGB to pass through. A 3D imaging method is also disclosed. By applying the interference filters to the 3D imaging system, the purity of the colour of the light, which is from the light source and beam splitting system of the colour display, is increased, which is advantageous to loading and separating the left and right image information of the 3D image independently.
Owner:陈小军

Imaging array data acquisition system and use thereof

The present invention relates to an imaging system, computer readable medium, and method for dynamic imaging of an object to be examined. The imaging system includes detection array comprising an array of modular devices positioned such that one or more modular devices are capable of simultaneously receiving at least a portion of a first output signal from an emission source of an object to be imaged, each of said modular devices comprising a detector device, wherein each of the modular devices in the array is capable of converting at least a portion of the first output signal to a second output readout. The imaging system further includes a processing unit operatively coupled to the detection array and capable of processing the second output readouts of one or more of the modular devices, wherein said processing comprises adjusting the relationship between any combination of a second output collection rate for each active modular device, a second output readout rate, a frame rate for each active modular device, binning factor, and a number of active modular devices determining an image field of view to maintain a total output data acquisition rate below a maximum data acquisition rate of the processing unit and to obtain an image of the object.
Owner:THE RES FOUND OF STATE UNIV OF NEW YORK

Method and device for displaying auto-panorama and night vision

The invention relates to a method and a device for displaying an auto-panorama and night vision, which can display images of the auto-panorama and the night vision and achieve the good display effect. The invention adopts a technical scheme that: an automobile body is provided with three color cameras and an infrared camera; the automobile body is provided with a distance measuring radar and an infrared irradiation light; the cameras and the distance measuring radar transmit a signal to a controller; and the controller performs image processing according the signal to display the images through a vehicle-mounted display screen.
Owner:CHERY AUTOMOBILE CO LTD

Double-silver low-emissivity coated glass and preparation method thereof

The invention relates to the technical field of coated glasses, in particular to a piece of double-silver low-emissivity coated glass and a preparation method thereof. The coated glass adopts magnetron sputtering coating and comprises a glass substrate, and a film layer coated on the surface of the glass substrate, wherein the film layer comprises a first dielectric layer, a first silver layer, a first protective layer, a second dielectric layer, a second silver layer, a second protective layer, a third dielectric layer, a third protective layer and a fourth dielectric layer from one side of the glass substrate outwards in sequence. Compared with the prior art, the third protective layer and the fourth dielectric layer are additionally arranged, and the problem that the side surface of the coated glass changes in color when being observed from small angle is solved. Moreover, the film surface color and the penetration color are neutral, the whole color is soft and beautiful, and as a result, a comfortable feeling is offered for people.
Owner:东莞南玻工程玻璃有限公司 +1

Low-VOC (volatile organic compounds) anti-scratch transparent matte varnish and preparation method thereof

The invention relates to low-VOC (volatile organic compounds) anti-scratch transparent matte varnish and a preparation method thereof. The matte varnish is made by combining a component A resin paint and a component B solidifying agent according to a weight ratio: 2:1, wherein the component A resin paint comprises 50-60 parts of alkyd resin, 10-30 parts of carboxyl acrylic resin, 0.3-1 part of a dispersant, 1-5 parts of an anti-settling agent, 0.3-0.7 part of a defoaming agent, 0.1-0.8 part of a leveling agent, 3-8 parts of matting powder, and 5-15 parts of a solvent A. The component B solidifying agent comprises 55-70 parts of a solidifying agent and 20-35 parts of a solvent. Compared with the prior art, the matte varnish and the preparation method thereof have the advantages that the preparation method is simple, a selection range of materials is wide, and the matte varnish prepared provides smooth surface, has high hardness, good scratch resistance, high transparency, good clarity and interlayer adhesion and features good hardness, good impact resistance and the like.
Owner:DONGLAI COATING TECH SHANGHAI

Panorama stitching method for removing moving object in moving video

The invention relates to a panorama stitching method for removing a moving object in a moving video, comprising the following steps: (1) acquiring an appropriate number of video screenshots according to the length of a video, wherein the screenshot selection interval is shorter is the video is shorter, and the screenshot selection interval is longer if the video is longer; (2) projecting an original image to a sphere in order to prevent a final panorama from distortion and deformation; (3) carrying out SURF feature point detection on each frame of image to obtain a feature point description sub vector as the basis of matching; (4) carrying out feature point matching; (5) calculating a perspective (homographic) transformation matrix of every two frames of images based on matching feature points, and calculating forward and reverse homographic matrix transformation of two adjacent frames; (6) obtaining the size of the panorama based on the homographic transformation matrix of adjacent frames; and (7) inversely mapping the panorama to a sequence frame, building a candidate point list for each pixel point of the panorama, and removing a moving object, thus, completing generation of the panorama. The resolution of panorama generation is high, background overlay is accurate, and the 'ghost' phenomenon of the moving object is avoided.
Owner:GUIGE TECH BEIJING CO LTD

Head-up display sandwich glass with electric heating function

The invention relates to the field of head-up display technologies, particularly relates to head-up display sandwich glass on automobiles, and particularly discloses head-up display sandwich glass. Electric heating can be carried out by the aid of a conducting low-emissivity coating of the head-up display sandwich glass. The head-up display sandwich glass comprises an inner glass plate, an outer glass plate and a middle membrane. A transparent nanometer film capable of reflecting P polarized light is deposited on the surface, which is farthest to the middle membrane, of the inner glass plate, the conducting low-emissivity coating is deposited on the surface, which is the closest to the middle membrane, of the outer glass plate or on the surface, which is the closest to the middle membrane, of the inner glass plate, and a first electrode and a second electrode which are used for being connected with external power sources are arranged on the conducting low-emissivity coating. The head-up display sandwich glass has the advantages that the head-up display sandwich glass is excellent in heat-insulation performance; the head-up display sandwich glass is basically free of ghosting phenomena, and high-definition head-up display effects can be realized by the head-up display sandwich glass; the two electrodes can be communicated with the external power sources, and accordingly, the head-up display sandwich glass can have an electric heating function and further can have defrosting and demisting functions.
Owner:FUYAO GLASS IND GROUP

Scene non-uniform correction method for scanning type infrared imaging system

A scene non-uniform correction method for a scanning type infrared imaging system comprises the following steps that: an infrared video stream is obtained from an infrared detector, an L is set to be 1, the L(th) frame image of the infrared video stream is judged whether to be the first frame of the infrared video stream, if the L(th) frame image is the first frame of the infrared video stream, an n is set to be 0, the grain coefficient Gn (i) and offset coefficient On (i) of each pixel of a linear detector are read, non-uniform correction is carried out on each pixel in the L(th) frame image according to the grain coefficient Gn (i) and the offset coefficient On (i) so as to obtain non-uniform correction results, neighbor median processing is performed on the non-uniform correction result of each pixel in the L(th) frame image so as to obtain non-uniform correction expectation results, the least square method is adopted to process the grain coefficient Gn (i) and the offset coefficient On (i) according to the non-uniform correction results and the non-uniform correction expectation results, so that Gn+1 (i) and On+1 (i) are obtained. By adopting the scene non-uniform correction method, the ghost phenomenon is not obvious, the image quality is better and the method has a good application prospect.
Owner:HUAZHONG UNIV OF SCI & TECH

Head-up display laminated glass capable of realizing thermal insulation function

ActiveCN106646874AWith head-up display (HUD) functionHeads up display image is clearMirrorsGlass/slag layered productsInfraredHead-up display
The invention relates to the technical field of head-up display, especially relates to vehicle head-up display glass, and specifically relates to head-up display laminated glass capable of realizing a thermal insulation function. The head-up display laminated glass capable of realizing the thermal insulation function comprises an inner glass plate, an outer glass plate and a middle diaphragm clamped between the inner glass plate and the outer glass plate. The surface, most far away from the middle diaphragm, of the inner glass plate is deposited by a transparent nanofilm capable of reflecting P-polarized light. The transparent nanofilm comprises at least one laminated structure of a high refractive index layer / a low refractive index layer deposited in sequence from the surface of the inner glass plate out. The surface, closest to the middle diaphragm, of the outer glass plate or the surface, closest to the middle diaphragm, of the inner glass plate is deposited by a low-radioactive coated film. The head-up display laminated glass capable of realizing the thermal insulation function both has a head-up display (HUD) function and has an infrared-ray-reflection heat insulation function; and head-up display images are clear and have no double images.
Owner:FUYAO GLASS IND GROUP CO LTD

VR one-body machine and image adjusting method thereof

The invention relates to a VR one-body machine and an image adjusting method thereof. The image adjusting method comprises the steps of obtaining a pupil distance of a VR one-body machine, and adjusting positions of two images displayed on a display screen on the basis of the obtained pupil distance so that the distance between the two images matches the pupil distance. The invention also provides the VR one-body machine. Through the technical scheme of the invention, the positions of the two images on the display screen can be adjusted on the basis of the pupil distance of the VR one-body machine to enable the distance between the two images to match the pupil distance of the VR one-body machine. In this way, when the two images are synthesized in the eyes of a person through complex optical reflection, ghosting will not be generated, and thus the user experience is improved.
Owner:深圳晨芯时代科技有限公司

Ultrasonic wide-scene imaging method and device

The embodiment of the invention provides an ultrasonic wide-scene imaging method and device, and belongs to the field of image processing. The method comprises the steps that respective image featurepoints are extracted from the acquired two original images to be spliced; multiple matching opposite points which are correspondingly matched with the two original images are acquired based on the image feature points of each original image; the target matching opposite points are acquired from multiple matching opposite points; the overlapping area of the two original images is acquired based onthe target matching opposite points; the suture line is established based on the overlapping area; and the two original images are spliced into the ultrasonic wide-scene image through the suture line.With application of the method, the accurate matching opposite points can be acquired so that the acquired ultrasonic wide-scene image is enabled to have no ghosting and the definition of the ultrasonic wide-scene image can be enhanced.
Owner:WUHAN ZHONGQI BIOLOGICAL MEDICAL ELECTRONICS

Electronic 3D (three dimensional) microscope for operations

The invention discloses an electronic 3D (three dimensional) microscope for operations, and relates to the field of microscopes for the operations. The electronic 3D microscope for the operations solves the problems that a multiple of an eye lens of an existing 3D electronic microscope can not be optionally adjusted, the existing 3D electronic microscope is troublesome to install and demount, and certain difficulty is brought into operation observation. The electronic 3D microscope for the operations comprises an electronic microscope, a left path imaging device, a right path imaging device, a master control image processing device and a display device, wherein the left path imaging device is composed of an eye lens general interface, an optical imaging system and an electronic imaging system, and the master control image processing device comprises an image processing module, an image storage module and a control panel. The electronic 3D microscope for the operations fixes a left / right path imaging system by using the eye lens general interface, is convenient to install and demount, performs optics adaptation on the eye lens and the electronic imaging system through the optical imaging system, obtains a view field angle as same as a view field angle obtained through human eye detection, obtains a real 3D image, greatly improves the comfort level of users, and reduces fatigue of the users.
Owner:JIANGSU KEQIN PHOTOELECTRIC SCI & TECH +1

Non-uniformity correction method and device based on local statistical correlation

The invention discloses a non-uniformity correction method and a device based on local statistical correlation. The non-uniformity correction method based on local statistical correlation comprises steps: F frames of images are acquired continuously; the acquired F frames of images are calibrated; the mean value of the F frames of calibrated images is calculated recursively to obtain a mean value image; the mean value image is subjected to mean value filtering to obtain an image after filtering; and subtraction between the image after filtering and the mean value image is carried out to obtain a correction coefficient matrix. The invention also discloses a non-uniformity correction device based on the local statistical correlation.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Three-dimensional real-time phantom display system and display method thereof

The invention belongs to the technical field of three-dimensional display, and discloses a three-dimensional real-time phantom display system and a display method of the three-dimensional real-time phantom display system. The three-dimensional real-time phantom display system comprises an image acquisition box (1), a light module, an image acquisition device and a three-dimensional imaging device. An article (9) to be imaged is placed in the image acquisition box (1), and the light module is fixed in the image acquisition box (1) to provide lighting for the article (9) to be imaged. The image acquisition device comprises four cameras (7). A projector (3) is connected with the output port of a computer graphic information processing device (2), and the three-dimensional imaging device receives projections of the projector (3). The display method comprises the steps that the four cameras (7) extract four images of the article (9) to be imaged in four directions respectively; the four images are cropped through a LABVIEW to obtain four sub-images, and the four sub-images are spliced into a square combined image; the projector (3) projects the combined image onto the three-dimensional imaging device. The three-dimensional real-time phantom display system and the display method of the three-dimensional real-time phantom display system have the advantages that the article (9) to be imaged can be dynamically displayed in real time and can also be displayed in a magnified mode, and the structure is simple.
Owner:SHANDONG UNIV OF TECH

High-frequency ultrasonic superficial organ imaging method capable of lowering random noise

The invention discloses a high-frequency ultrasonic superficial organ imaging method capable of lowering random noise. The method is characterized in that an ultrasonic transducer continuously transmits N times of ultrasonic pulses at intervals within a dwell time of 200 microseconds on each scanning position in a scanning area, after the superimposition average operation processing is carried out by adopting a linear average method for the ultrasonic echo information, and the processing result is used as a scanning line of the scanning position; and then the scanning position is moved to repeat the process until all scanning lines are completed, and the two-dimensional high-frequency ultrasonic imaging can be realized. The echo information acquired through N times of detection is superimposed and averaged by adopting the linear average method, the random noise in the echo information of the scanning line is lowered, the signal-to-noise can be theoretically improved by N times, no frame frequency is reduced, and the imaging real-time property is not influenced. Since the N-time sampling time anticipating in the average calculation is about 200 microseconds, a probe and a tissue can be easily maintained relatively still, and the ghosting phenomenon caused by the frame average technology can be avoided.
Owner:INST OF BIOMEDICAL ENG CHINESE ACAD OF MEDICAL SCI

A shape-optimized rectangular panoramic image construction method based on feature selection

InactiveCN109767381AReduces the phenomenon of shape distortionOvercoming shape distortionGeometric image transformationCluster algorithmShape optimization
The invention discloses a shape-optimized rectangular panoramic image construction method based on feature selection, and the method comprises the steps of carrying out the splicing of two overlappedimages which are shot in a non-fixed mode based on a common camera, and obtaining a rectangular panoramic image which is not distorted in shape and is not lost in information; taking the shot image asan input image, performing feature point matching on the input image, and screening mismatched feature points and isolated feature points by using a clustering algorithm; performing image registration operation on the input image overlapping area by utilizing the screened feature points; gradually changing distortion transformation is carried out in the non-overlapping area so as to reduce perspective distortion generated by the image; and establishing a grid optimization model based on boundary constraint and central region reservation, obtaining an optimal rectangular grid vertex, and finally obtaining a final rectangular panoramic image through an interpolation method. According to the invention, the rectangular panoramic image is generated under the condition that the information lossis reduced as much as possible through non-fixed shooting of the image with the overlapped area.
Owner:YANTAI UNIV

Method for designing printing bottom piece of aluminum two-sheet zip-top can

InactiveCN101708673AMeet the appearance printing requirementsAchieve aestheticsOther printing apparatusSignsColored whiteColor printing
The invention discloses a method for designing a printing bottom piece of an aluminum two-sheet zip-top can. In the method, the printing bottom piece is provided with six colors including white; white is an integral ground color and is coated and dried by a white ground coater; and then the other five colors are printed by a six-color printing machine. The method is characterized in that when designing the printing bottom piece for color separation, one color pattern of the five colors is divided into two bodies and overprinted through two monochromatic oil stations, and the invention is particularly suitable for the printing bottom piece of Wanglaoji brand. By adopting the invention, the effects of attractive product appearance, non-lossy colors and no ghosting with good printing effect can be realized.
Owner:升兴(北京)智能科技有限公司

Scene-based self-adaptive heterogeneous-fixed-noise removal method

The invention describes a scene-based self-adaptive heterogeneous-fixed-noise removal method which is characterized by being realized through the following steps: 1. determining scene initialization; 2.scene self-adaptive iteration; 3. scene template update; 4. image generation and output. The method is applicable to heterogeneous-fixed-noise removal. The method is capable of adapting to change of the scene without generating ghost images; and the convergence speed is high so that a convergence problem and a ghost image problem of the prior algorithms are solved.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI

Virtual platform and entity platform combining and converting method

According to a virtual platform and entity platform combining and converting method, a logical processing module, a functional control module, a timer, a remote control, a sensing device, a solid liquid crystal optical dimming thin film touch screen, a conversion device, a virtual platform and an entity platform are included. The virtual platform and entity platform combining and converting method comprises the following steps that (1), the logical processing module is connected with the functional control module; (2), one end of the logical processing module is connected with the timer, and the other end of the logical processing module is connected with the remote control; (3), the logical processing module is connected with the sensing device and the solid liquid crystal optical dimming thin film touch screen; (4), the functional control module is connected with the conversion device; (5), the conversion device is connected with the virtual platform and the entity platform. The conversion device comprises a mechanical conversion device and an optical film conversion device. The functional control module comprises a control signal receiving unit, an information collection unit, a video switch unit, an audio switch unit, a touch switch unit, a solid liquid crystal optical dimming thin film state switch unit, an information distribution unit and a mechanical switch unit.
Owner:GUANGDONG TAIDEA TECH

High-resolution X-ray imaging device of tissues in human body

The invention discloses a high-resolution X-ray imaging device of tissues in human body. The X-ray imaging device comprises a radiation source (1) for emitting electromagnetic radiation and an imagingdevice (2), wherein the imaging device (2) comprises at least one imaging component (21) and a delivery structure (22) coupled with each imaging component (21); the imaging components (21) are connected with each other, extend into the human body in use, are fixed in a diagnostic target area and cooperates with the radiation source (1) arranged outside the human body to image; the imaging components (21) are coupled with the delivery structure (22). The high-resolution X-ray imaging device of tissues in human body is capable of accurately imaging the tissues in the human body; the auxiliary manner used when the device in the prior art is incapable of imaging is avoided; the pain of the patient is relieved; meanwhile, the imaged images are clear and are free of double images, so that the doctor can conveniently and accurately diagnose.
Owner:陕西鑫威泰生物科技有限公司

Vehicle-mounted image pixel adjustment method, device and equipment and readable storage medium

The invention relates to the field of intelligent driving, and discloses a vehicle-mounted image pixel adjustment method, device and equipment and a readable storage medium. The method comprises the steps: obtaining a to-be-spliced image; calculating the maximum value of the to-be-spliced image in a preset range, and obtaining the brightness value of the image in combination with the filtering operation; carrying out remapping processing on the obtained image brightness value; obtaining a first time sequence overlapping region of the to-be-spliced image, and converting an RGB color space of the first time sequence overlapping region into a YCrCb color space; obtaining the pixel value of each channel of the color space on the two to-be-spliced images in the first time sequence overlapping region, calculating the pixel value error, constructing an error model, and calculating the adjustment coefficient of each color channel based on the error model; adjusting the pixel intensity value ofeach channel according to the adjustment coefficient to obtain a second time sequence overlapping region; and converting the image of the second time sequence overlapping region back to the RGB colorspace, and performing image stitching on the to-be-stitched image according to a multi-band image fusion method to obtain a panoramic image. According to the invention, the inconsistency of splicingpositions is eliminated.
Owner:SHENZHEN PERCHERRY TECH

Recess reflecting amplification type augmented reality three-dimensional glasses

The invention belongs to portable a wearable eye apparatus, and relates to three-dimensional glasses capable of realizing augmented reality, specifically to augmented reality three-dimensional glasses capable of amplifying a display image through a recessed reflector. The augmented reality three-dimensional glasses comprise a shield body, of which one end is the imaging end, and the other end is the wearing end. The top of the imaging end is provided with a display screen with a screen facing downward. A bracket is fixed on the bottom of the imaging end, two concave spherical reflecting mirrors are installed on the bracket, and the arc surfaces of the concave spherical reflecting mirrors are arranged upwards. Spectroscopes are arranged between the display screen and the concave spherical reflecting mirrors in an inclined way. The shield body part between the upper ends of the spectroscopes and the bracket forms a light transmission area. The spectroscopes are semi-transparent semi-reflecting surface reflector, and serve as light combiners to project virtual images to reality, thereby preventing images distortion. A human eye is placed in the light transmission area, and the virtual image and the reality image are captured through the light transmission area.
Owner:贾裕忠

No-thermalization wide-aperture objective lens optical system

ActiveCN108267845ACorrect spherical aberrationCorrect chromatic aberrationMountingsOptoelectronicsOptic system
The invention relates to a no-thermalization wide-aperture objective lens optical system. The no-thermalization wide-aperture objective lens optical system successively comprises a first lens group with negative focal power, a second lens group with positive focal power, a diaphragm, a third lens group with positive focal power, and a fourth lens group with positive focal power from an object plane to an image plane. By adopting three groups of adhesive lenses and no-thermal-difference design, the high-definition imaging under a low illumination condition can be realized, the temperature compensation can also be realized, a ghost image is effectively inhibited, and the aberration such as spherical aberration and chromatic aberration are effectively corrected.
Owner:JIAXING ZHONGRUN OPTICAL TECH

Frameless anti-dazzle rearview mirror and manufacturing method thereof

The invention discloses a frameless anti-dazzle rearview mirror. The rearview mirror comprises an absorption type polarizing layer, a liquid crystal dimming layer and a reflection type polarizing layer which are sequentially arranged from one side of an observer. The liquid crystal dimming layer comprises a first transparent substrate, a first transparent electrode, a first alignment layer, a liquid crystal layer, a second alignment layer, a second transparent electrode and a second transparent substrate which are arranged in sequence; the first transparent substrate is adjacent to the absorption type polarizing layer; the positions of the first transparent substrate and the second transparent substrate correspond to each other up and down; a step part exceeding the second transparent substrate is arranged at the edge of the first transparent substrate; and the frameless anti-dazzle rearview mirror further comprises an electrode connecting wire electrically connected with the first transparent electrode and the second transparent electrode, and the electrode connecting wire is located on the step part and fixed to the side, facing the second transparent substrate, of the first transparent substrate. The frameless anti-dazzle rearview mirror is free of double images, high in anti-dazzle speed and high in mirror surface utilization efficiency; and a manufacturing method is simple in process and low in production cost.
Owner:SUZHOU TSUWAY SMART TECH CO LTD

Ultra-compact type continuous zooming medium-wave infrared optical system

The invention discloses an ultra-compact type continuous zooming medium-wave infrared optical system. A secondary imaging structural form is adopted; the secondary imaging assembly can compress the aperture of the front group lens; the 100% cold diaphragm efficiency is achieved; a silicon substrate diffraction element is used; structure is greatly simplified, the absolute length is only 110 mm, and good imaging quality can be achieved. The system comprises a front group and a rear group, wherein the front group comprises a front fixed group, a zoom lens, a compensation lens, a focusing lens and the like; the rear group comprises two lenses, the lenses are made of common materials of silicon and germanium for an infrared optical system, the zoom lens and the compensation lens move back andforth along an optical axis in the zooming process to achieve the purpose of continuous zooming, the focal length range of the optical lens is 70mm-240mm, and the F number is 4. The lens is suitable for a high-resolution 640 * 512 medium-wave refrigeration detector, has the advantages of being ultra-compact, small in size, light in weight, high in resolution and the like, and has good imaging quality in a full-focus section.
Owner:HUBEI JIUZHIYANG INFRARED SYST CO LTD

Automatic stamping device for office

The invention discloses an automatic stamping device for an office. The automatic stamping device for the office comprises a support body used for stamping, the support body is internally in a semi-I shape, the bottom of the inner wall of the support body is used for placing paper to be stamped, a stamp is arranged on the top wall of the inner wall of the support body in a hung mode, a stretchable air pressure supporting column is arranged between the stamp and the support body, the stamp moves up and down in the support body through the air pressure supporting column, a movable inkpad roller part is arranged at a position, corresponding to the bottom of the upper position of the stamp, of the side portion of the support body, the inkpad roller part is hinged to the support body, and the inkpad roller part moves up and down along with the stamp to smear inkpad. By adopting the technical scheme, the working time and the paper cost are saved, and the automatic stamping device for the office is relatively environment-friendly, suitable for various different office places and high in use cost performance.
Owner:LINHUAN COKING

Cold-hot combined interference fit assembly method and LED lamp

The invention relates to a cold-hot combined assembly method of two metal castings, and an LED lamp for assembling a main body radiator as an A die casting piece and a heat dissipating module as a B die casting piece by adopting the method. The method comprises the following steps: the cylindrical A die casting piece with a draft angle of 0.8-5 degrees and a thermal expansion coefficient of 1 E-6 / DEG C is produced and cooled to the normal temperature; the B die casting piece with a circular hole is produced, and the mold stripping temperature is 150-400 DEG C; the thermal expansion coefficientgamma B of the B die casting piece is 1E-6 / DEG C; and within half a minute of mold stripping of the B die casting piece, an outer limiting piece of the A die casting piece is aligned to an inner limiting surface of the B die casting piece to place in the circular hole of the B die casting piece for cooling to the normal temperature. The method can save the energy and guarantee the precision and the surface smooth of produced devices.
Owner:CHANGCHUN CEDAR ELECTRONICS TECH CO LTD

Display data processing method and system

The invention provides a display data processing method. The method comprises steps as follows: display data to be processed is received; the received display data is analyzed to generate pixel data for display, and the pixel data is output; in a certain display cycle, a first cache unit is receiving one frame of output pixel data, and a second cache unit finishes the receiving of another frame of pixel data and is displaying the pixel data; and in the next display cycle, the second cache unit is receiving one frame of output pixel data, and the first cache unit finishes the receiving of another frame of pixel data and is displaying the pixel data. The invention also provides a display data processing system. By using the display data processing method and system, pixel data stored in the first cache unit and pixel data stored in the second cache unit are stored an displayed alternately; and data displayed in each cycle is complete data on the whole screen, thereby saving the data transmission time, and avoiding ghosting phenomena caused by overlapping with the next frame of data.
Owner:BYD CO LTD
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