44results about How to "Avoid visual impact" patented technology

The invention relates to an SDI digital switching system with functions of video effect switch and mute switch. The system comprises a main board, a back board and a control panel. An FPGA processing and image storage unit of the main board adopts a high-speed image storage chip and a high-speed large-capacity FGPA chip so that the switching system has the frame synchronizing function and ensures the stability of signals during effect switch; and video signals are subjected to effect switch and mute switch of various formats such as fade-in fade-out and the like, the prior direct switching mode is improved, the impact brought by images and sound before and after switching the signals is effectively avoided, and the vision and the audition of a user are protected. The back board part is provided with an analog video preview output interface and an analog audio preview terminal, so the user can watch and listen to the played signal contents to be switched in advance, and the reliability and safety of play are improved.

The invention provides a display control device of a liquid crystal screen. The display control device comprises a frequency obtaining unit and a signal output unit, wherein the frequency obtaining unit is used for obtaining a corresponding initial signal frequency according to received image information of an image display signal; and the signal output unit is used for outputting a corresponding initial signal to a display driving device of a liquid crystal screen according to the initial signal frequency, so that the liquid crystal screen has a corresponding scanning frequency. According to another aspect of the invention, a display control method of the liquid crystal screen is provided. With the adoption of the technical scheme of the invention, the liquid crystal screen can be controlled to fresh an image in a corresponding scanning frequency according to the information of an image signal; poor image display effect or influence to the eyesight of a user caused by the simplification of an image fresh frequency is avoided; and an optimal display effect is achieved.

The invention discloses a method and a device for embedding a visible watermark into an image. The method comprises the following steps: after a fundamental region into which each visible watermark is to be embedded is determined in an original image data block, a final region into which each visible watermark is to be embedded is obtained by enlarging the fundamental region; an image data block, into which the visible watermarks are imbedded, is obtained by embedding the visible watermarks into the fundamental region; an additional data block is built according to information about the visible watermarks and information about the final region; and after the additional data block is connected to the image data block into which the visible watermarks are embedded, the embedding of the visible watermarks is completed. Meanwhile, the invention further discloses a method and a device for recovering an original image. By enlarging the fundamental region and building the additional data block, the invention recovers precisely the original image, avoids blocking effect and boundary effect, and avoids visual impact caused by compression. Moreover, the whole method is self-closed, recovers the original image without requesting extra data, and realizes rapid operation.

The invention discloses a digital switching matrix supporting synchronic switching, which comprises an input card, an output card, a switching backplate and a control interface plate, wherein the input card comprises a receiving module and an input interface, the input of the receiving module is connected with the input interface, and the output end of the receiving module is connected with the input of the switching chip of the switching backplate; the output card comprises an image optimization module, a transmission module and an output interface; the input of the transmission module is connected with the output end of the image optimization module, and the output end of the transmission module is connected with the output interface; the switching backplate comprises the switching chip, a CPU (Central Processing Unit) chip, an FPGA (Field Programmable Fata Array) chip and a synchronic separation chip, the output end of the switching chip is connected with the input end of the imageoptimization module, and is also connected to the serdes interface of an FPGA, the output of the synchronic separation chip is connected with the FPGA; and the control interface plate comprises an RS485 synchronic signal receiving chip, an external BNC (Bayonet Nut Connector) interface and an RS232 and / or RS485 receiving chip. By the invention, the problem that during the video image switching process, the transmission is delayed and the images are not stable can be solved, and the visual impact to a user during the image switching process can be avoided.

The invention discloses a switching device and a switching method of asynchronous videos. A video signal acquisition module is connected with each video source to be switched, recognizes the system of each video and acquires line field signals of multiple paths of asynchronous videos respectively; a black video signal generating module generates a black video signal and inputs the black video signal to a video switching module; and a black video line field signal adjusting module adjusts the line field period of the black video signal according to different line field periods of the video sources, performs signal synchronization on each black video signal and a corresponding video source, generates a black burst by using the black video signal generating module during video switching and changes the system and the line field period in a black period, so that image splitting and hopping during switching are eliminated.

The invention discloses an interactive image display and device. The method comprises the following steps: adding a second image on a first image, wherein the second image obscures the predefined areaof the first image; responding to a received operation instruction, and removing the display of the second image based on the range determined by the operation instruction to display the first image.Based on the interactive image display scheme, by overlaying the image occluded display, and displaying the occluded image in the corresponding range based on the received user operation, so that theuser can automatically control the display range, such as the sensitive image, can achieve the gradual process from the local to the whole, and avoid the discomfort of the visual impact, thereby enhancing the user experience.

The invention discloses an adjusting method and system for local backlight brightness and display device. The adjusting method comprises the steps that a pixel region corresponding to each backlight partition in a backlight source is divided into a plurality of sub partitions, and maximum values of the pixel grayscales of the sub partitions are obtained; obtained maximum values of the pixel grayscales of the sub partitions are sorted from large to small; according to sorted maximum values of the pixel grayscales of the sub partitions and the number of the sub partitions, the maximum values of the pixel grayscales except the maximum values in a first serial number are selected and an adjusting signal is confirmed so that the backlight brightness of a backlight area can be adjusted. According to the adjusting method and system for local backlight brightness and display device, the adjusting signal is confirmed through the maximum values of the selected pixel grayscales except the maximum values in the first serial number, a backlight brightness saltation caused by the movement of small light blocks such as a mouse is effectively avoided, then a visual impact on eyes of people caused by the local backlight brightness saltation is effectively avoided, and user using experience is obviously improved.

The invention provides a display module, a manufacturing method thereof and an LED display screen. The display module comprises a driving substrate, carrier plates, a plurality of LED chips and a hydrophobic film, wherein the carrier plates are arranged on the driving substrate at intervals, each carrier plate is provided with a first surface far away from one side of the driving substrate, a plurality of LED chips are arranged on a first surface of the carrier plate, each LED chip is electrically connected with the driving substrate, each LED chip is provided with a first connecting point electrically connected with the carrier plate, a first surface is provided with a second connecting point electrically connected with the LED chips, at least part of the hydrophobic film covers the area,except the first connecting point, in the surface of the LED chip and covers the area, except the second connecting point, in the first surface. The display module is advantaged in that the hydrophobic film is tightly attached to the LED chip and the carrier plate, so water vapor does not make direct contact with an LED, and migration and electrolysis of chip electrode metal caused by the water vapor are avoided, in addition, the display module does not cause visual influence, and the display effect of the LED display screen is greatly improved.

The invention discloses automatic control equipment for a vehicle. The automatic control equipment for the vehicle comprises a main control button, an electric power conversion device, a microcontroller, a left intelligent light-shielding plate and a right intelligent light-shielding plate, wherein the main control button is in communication connection with an ECU of the vehicle, the ECU is in communication connection with the microcontroller, and the electric power conversion device is in electric connection with the microcontroller, the left intelligent light-shielding plate and the right intelligent light-shielding plate separately; the main control button is used for controlling the whole automatic control equipment for the vehicle to enter a working state from a turn-off state, or enter the turn-off state from the working state; and the ECU controls a driver corresponding to the electric power conversion device on the basis of a signal received from the main control button, so that the driver starts to work or stops working, and then the electric power conversion device outputs electric power or stops outputting the electric power. The automatic control equipment for the vehicle is capable of guaranteeing the driving safety performance of vehicle and the personal safety of a driver.

Embodiments of the invention disclose a display method and device for an enlarged view of intersections, a terminal and a medium, belonging to the technical field of navigation. The method comprises the following steps: acquiring a navigation path between a first intersection of consecutive intersections and a last intersection of the consecutive intersections before traveling through the consecutive intersections; determining the center point of an enlarged view of the intersections according to the navigation path; and mapping the center point to the center of a display area, and displayingthe enlarged view of the intersections, wherein the enlarged view of the intersection comprises all the intersections in the consecutive intersections. The embodiments of the invention provide the display and device for the enlarged view of intersections, the terminal and the medium so as to enable a user to clearly learn about the navigation path passing through the consecutive intersections before traveling through the consecutive intersections.

The invention discloses a low-curvature electronic reflecting windshield which is arranged on an automobile front windshield and is provided with an electronic reflecting film located in a lower position of a parallel vision field of a driver, and a control unit, wherein the electronic reflecting film is provided with an electrochromism layer; the control unit is communicated with the electrochromism layer and controls receiving current intensity of the electrochromism layer; the control unit is further connected with a light sensitive unit for controlling an automatic headlight of a vehicle via an automobile bus, and receives current environment light data obtained by the light sensitive unit; and the intensity of current flowing to the electrochromism layer is adjusted according to background light intensity to adjust a color of the electrochromism layer. With the adoption of the technical scheme, the low-curvature electronic reflecting windshield is provided with the electronic reflecting film, can carry out corresponding color adjustment according to vehicle speed, peripheral light intensity and projection light intensity, avoids visual influence on the driver to the full extent, and ensures that the driver pays attention to driving all the time.

The invention relates to the technical field of raster and particularly relates to a dot raster pattern four-color overprinting offset correction printing process. During printing, by the ways of controlling arrangement of dot matrix plating pixel points, controlling offset extent of four-color printing pixel points and controlling the corresponding relationship between pixel matrix plating and dot raster and the like, a printed dot raster pattern has a deep space three-dimensional impression. The dot raster pattern four-color overprinting offset correction printing process disclosed by the invention cooperates with a dot-shaped lens array which is formed by a plurality of uniformly-arranged dot-shaped lenses on a dot raster plate and is orderly in rows and lines so as to perform dot matrix plating treatment, pixel matrix laying treatment and pixel matrix offset treatment on an image; by controlling the arrangement of the dot matrix plating pixel points, the offset extent of the four-color printing pixel points and the corresponding relationship between pixel matrix plating and dot raster, the printed dot raster pattern has a deep space three-dimensional impression.

The invention discloses a natural light diffusion type leading-in side window system applied to a snow-ice sports building and aims to solve problems of visual interferences on sportsmen and temperature influences of existing normal side windows on ice surfaces and snow surfaces in the snow-ice sports building. The natural light diffusion type leading-in side window system comprises a reflective plate frame, a reflective plate and flexible pull cables. A lower window frame on an indoor side of a side window body is hinged to a lower side frame of the reflective plate frame through hinges, the reflective plate is arranged in the reflective plate frame, an upper surface and a lower surface of the reflective plate are non-concentric arc curved surfaces, the upper surface of the reflective plate is a reflective layer, and the lower surface of the reflective plate consists of a reflective layer portion and a diffuse reflection layer portion. One end of each flexible pull cable is connected with the reflective plate frame, and the other end of each flexible pull cable is connected to the window frame of the side window body. A light incidence angle is effectively controlled while natural light is led in, diffusion type illumination in an upper space of a stadium is formed by reflection, and damages caused by heat of natural light to the ice surfaces are avoided.

The invention discloses a prefabricated UHPC central anti-collision guardrail grouting connection structure which comprises a main beam top plate provided with connecting steel bars and a UHPC anti-collision guardrail, wherein grouting sleeves are separately pre-embedded on the inner left and right sides of the bottom of the UHPC anti-collision guardrail; at least three internal shear connectors are distributed at intervals in the longitudinal direction on the inner wall of each grouting sleeve; external shear connectors corresponding to the internal shear connectors are distributed at intervals in the longitudinal direction on the outer wall of each grouting sleeve; the grouting sleeves are provided with openings for inserting the connecting bars into pouring chambers; and the grouting sleeves are provided with grout inlets positioned at the lower part and grout outlets positioned at the upper part. Grouting materials are poured into the pouring chambers to connect the UHPC anti-collision guardrail with the main beam top plate; the connection between the grouting sleeves and the UHPC anti-collision guardrail is achieved by virtue of the external shear connectors; and the groutingsleeves and the main beam top plate are connected into integration through the cooperation of the internal shear connectors, the connecting steel bars and the grouting materials. The prefabricated UHPC central anti-collision guardrail grouting connection structure avoids pre-embedding steel bars inside the UHPC anti-collision guardrail and facilitates the prefabrication of the UHPC anti-collisionguardrail.

The invention discloses a method and a device for embedding a visible watermark into an image. The method comprises the following steps: after a fundamental region into which each visible watermark is to be embedded is determined in an original image data block, a final region into which each visible watermark is to be embedded is obtained by enlarging the fundamental region; an image data block,into which the visible watermarks are imbedded, is obtained by embedding the visible watermarks into the fundamental region; an additional data block is built according to information about the visible watermarks and information about the final region; and after the additional data block is connected to the image data block into which the visible watermarks are embedded, the embedding of the visible watermarks is completed. Meanwhile, the invention further discloses a method and a device for recovering an original image. By enlarging the fundamental region and building the additional data block, the invention recovers precisely the original image, avoids blocking effect and boundary effect, and avoids visual impact caused by compression. Moreover, the whole method is self-closed, recoversthe original image without requesting extra data, and realizes rapid operation.

The invention discloses a digital switching matrix supporting synchronic switching, which comprises an input card, an output card, a switching backplate and a control interface plate, wherein the input card comprises a receiving module and an input interface, the input of the receiving module is connected with the input interface, and the output end of the receiving module is connected with the input of the switching chip of the switching backplate; the output card comprises an image optimization module, a transmission module and an output interface; the input of the transmission module is connected with the output end of the image optimization module, and the output end of the transmission module is connected with the output interface; the switching backplate comprises the switching chip, a CPU (Central Processing Unit) chip, an FPGA (Field Programmable Fata Array) chip and a synchronic separation chip, the output end of the switching chip is connected with the input end of the imageoptimization module, and is also connected to the serdes interface of an FPGA, the output of the synchronic separation chip is connected with the FPGA; and the control interface plate comprises an RS485 synchronic signal receiving chip, an external BNC (Bayonet Nut Connector) interface and an RS232 and / or RS485 receiving chip. By the invention, the problem that during the video image switching process, the transmission is delayed and the images are not stable can be solved, and the visual impact to a user during the image switching process can be avoided.

The invention discloses a vehicle tail lamp control system and a control method thereof. The device comprises a speed sensor used for detecting the speed of a vehicle, a brake sensor used for detecting the brake force, a controller used for processing the signal of the speed sensor and the signal of the brake sensor, an execution circuit and a vehicle tail lamp. The speed sensor, the brake sensorand the execution circuit are both connected with the controller. The execution circuit is connected with the vehicle tail lamp. The invention has the beneficial effects that the brake force can be distinguished differently. The condition that people and vehicles behind a vehicle are greatly influenced by the slow speed or the high brightness of the vehicle tail lamp of the current vehicle duringparking can be avoided. The vehicle tail lamp can be changed to be diversified in state according to different driving speeds of the vehicle. As a result, the safety of people and vehicles behind thevehicle can be ensured.

The invention discloses a remote control adjusting and testing method for a traffic light supplementing lamp, which comprises the steps of mounting a cradle head on a monitoring rod on one side of a traffic camera, and then mutually connecting the light supplementing lamp and the cradle head; then connecting control lines of the cradle head and the light supplementing lamp with a traffic control box; connecting adjusting and testing software to the traffic control box, sequentially adjusting the rotation angle of the cradle head and the output power of the light supplementing lamp according toa preset adjusting and testing method, taking pictures by the camera, transmitting the pictures back to the adjusting and testing software, selecting a final picture by an operator after comparing all of the pictures, transmitting adjusting and testing parameters used by the picture back to the cradle head and the light supplementing lamp by the adjusting and testing software to serve as the final parameters; and finally, disconnecting the adjusting and testing software from the traffic control box to complete the adjustment and testing. The method has the characteristics of short adjustmentand testing time, low adjustment and testing cost, high safety and good light supplementing effect.

The invention discloses mobile phone screen glass lens impurity detection equipment. The equipment comprises an electrical cabinet and a detection tray assembly, wherein a supporting plate is fixedlymounted at the top of the electrical cabinet; the detection tray assembly comprises a supporting plate and a protective cover. The protective cover comprises four groups of coamings; the four groups of coamings are fixedly connected in sequence and are of hollow structures; the supporting plate is rotationally mounted above the supporting plate; suction cups are annularly arrayed in the supportingplate at equal intervals. A support is fixedly installed on one side of the upper portion of the supporting plate. A hanging bracket is slidably mounted at the bottom of the support; the hanging bracket comprises a first connecting plate and a second connecting plate; the second connecting plate is mounted below the first connecting plate in a sliding manner; an electrostatic dust removal rod isfixedly installed at the bottom of the second connecting plate, an air blowing fan is fixedly installed in the electrical cabinet, and an air outlet of the air blowing fan is fixedly communicated witha pipeline, so that the vision influence caused by manual visual inspection is avoided, the transfer process of lenses in production is reduced, and the production efficiency is improved.

The invention discloses a prefabricated assembled UHPC side anti-collision guardrail grouting connecting structure. The structure comprises a main beam wing plate with a connecting reinforcement and aUHPC anti-collision guardrail, a grouting sleeve is pre-buried inside the bottom of the UHPC anti-collision guardrail, and at least three interior shear connectors are longitudinally distributed on the inner wall of the grouting sleeve at intervals; external shear connectors corresponding to the interior shear connectors are longitudinally distributed on the outer wall of the grouting sleeve at intervals, an opening used for the connecting reinforcement to be inserted into a pouring cavity chamber is formed in the grouting sleeve, and a grouting opening located at the lower side and a pulp outlet located at the upper side are formed in the grouting sleeve; grouting materials are poured in the pouring cavity chamber to make the UHPC anti-collision guardrail connected with the main beam wing plate, by arranging the external shear connectors, the connection between the grouting sleeve and the UHPC anti-collision guardrail is achieved, through the cooperative effect among the interior shear connectors, the connecting reinforcement and the grouting materials, the grouting sleeve is integrally connected with the main beam wing plate, it is avoided that reinforcements are pre-buried inside the UHPC anti-collision guardrail, prefabrication of the UHPC anti-collision guardrail is convenient, and the structure is more applicable to industrial flow line production.

The invention discloses a high-fluidity and high-toughness ASA (acrylonitrile-styrene-acrylate) material, which is prepared from the following materials in parts by mass: 8-26 parts of high-rigidity resin; 32 to 48 parts of high flow resin; 20 to 32 parts of small particle size ASA powder; 8-20 parts of large particle size ASA powder; 0-2 parts of matting powder; 0.1 to 0.2 part of a main antioxidant; 0.2 to 0.3 part of an auxiliary antioxidant; 0.2 to 0.5 part of a light stabilizer; 0.2 to 0.5 part of an ultraviolet light absorber; 0.3 to 0.5 part of a lubricant; according to the scheme, through a mode of compounding two resins, the problem of compatibility is solved, the flowability is improved, the performance reduction amplitude is small, and the purpose of reducing the cost is achieved while the performance is ensured; the two ASA powder with different particle sizes are compounded for use, so that a synergistic effect can be achieved, the toughness of the material can be improved by the whole ASA, a better impact-resistant effect can be achieved under the condition that less ASA powder can be used, and the cost is reduced; the glossiness of the ASA material is improved by adopting the matting powder, so that sunlight reflection is reduced, and visual influence on drivers and passersby is avoided.

The invention relates to a jugular anterior pyramid automatic distraction system which is convenient to operate and good in stability performance and enables view to be good after operating zone location. The automatic distraction system comprises a sliding rod, two distraction rods, pyramid puncture locating pins and two operation channel devices matched with the distraction rods. Each distraction rod comprises a sliding block and a connecting rod, wherein the end of a cross rod in the connecting rod is connected with the sliding block and a through hole is arranged in a vertical rod in the connecting rod. The pyramid puncture locating pins are arranged in the through holes, and the sliding blocks are sleeved on the sliding rod. Each operation channel device is formed by a limiting column and a baffle. Each limiting column is of a three-dimensional structure, wherein the side of the limiting column is provided with an open groove which penetrates through the upper end and the lower end to form a concave cross section. Contours of the open grooves of the limiting columns are in clasping matching with outer contours of the vertical rods in the connecting rods, the outer edges of two sides of the open grooves of the limiting columns are respectively connected with one baffle, and the operation channel devices form three-dimensional shapes with the cross sections in convex shapes without bottom edges after the limiting columns are connected with the baffles. The jugular anterior pyramid automatic distraction system has the advantages of being convenient to operate and good in stability performance and enabling the view to be good after operating zone location.

A housing (10) of projector or vehicle lamp, especially for a motor vehicle, comprising a box bottom wall (6) obtained by molding a thermoplastic resin by injection, intended to be fixed on a part of the bodywork or other element attached to the body of said vehicle, said wall of determined thickness being defined by a front face and a rear face (60), said rear face (60) having a determined number of protrusions (61 to 63) projecting from the rear surface (60) of the housing end wall (6) to form supports arranged so as to be capable of ensuring the isostatism the housing (10), said protrusions (61 to 63) being integral with the housing (10) and performed at the same time as the molding of the housing (10), said housing (10); being characterized in that the projections (61 to 63) have a general S-shape extending in a plane parallel to the plane of the housing end wall (6) of constant cross section throughout the length of S and thickness equal to that of the housing bottom wall (6).

The invention relates to the technical field of management systems, and discloses a multifunctional scenic spot comprehensive management system. The problems that current scenic spot illumination management is easily affected by weather, street lamps cannot be turned on and turned off in time, photovoltaic structures adopted by the street lamps cannot track illumination and are low in light conversion rate, assembly structures cannot be rapidly assembled when the street lamps are installed, and the working efficiency is low are solved. The system comprises a street lamp assembly, the upper end of the street lamp assembly is provided with a communication module. Through cooperation of a photosensitive sensor module and a clock module, visual influence caused by weather influence can be effectively avoided; through the arrangement of the photovoltaic panel mechanism, a photovoltaic panel can always track the strongest receiving angle of illumination, so that illumination is received to the maximum extent, solar energy is converted into electric energy, energy loss is reduced, and the light conversion rate is high; and by means of the bolt connection mode of all the components, the street lamp assembly can be rapidly installed, the working efficiency is high, the overall structure is simple, and the maintenance cost is low.

The invention provides an image display method, which is applied to an electronic device. The electronic device comprises a screen. When an image is being displayed on the screen, rotation of the screen is detected; in response to a condition that the rotation of the screen is detected, the image is amplified and fuzzy processing is executed to obtain a processed image; and along with the rotationof the screen, the processed image is rotationally displayed on the screen.

The invention discloses tassel and sequin embroidery composite fabric. The fabric comprises tassel fabric cross bars and sequin embroidery fabric cross bars, wherein the tassel fabric cross bars comprise tassels; the tassels are arranged at the lower ends of the tassel fabric cross bars; the upper ends of the tassel fabric cross bars and the sequin embroidery fabric cross bars are vertically spliced and sewed in sequence; and the tassels are arranged on the sequin embroidery fabric cross bars. The invention also discloses a manufacturing method of the tassel and sequin embroidery composite fabric. According to the composite fabric provided by the invention, the dynamic effect of the tassels and the shining effect of the sequin are effectively combined, the sense of quality and the stereoscopy of the fabric are increased, and the diverse requirements of people for the fabric is met.

The invention relates to an automobile B column section design method and a computer readable storage medium. The automobile B column section design method comprises the following steps: S1, obtainingthe section inertia moment Ia and the full-plastic section bending moment Ma of each section of the upper middle portion of a B column of a target basic automobile model; S2, establishing a B-columnsection finite element model of the target basic vehicle model according to the section inertia moment Ia and the full-plastic section bending moment Ma; S3, performing finite element simulation analysis on the B column section finite element model to obtain the maximum contact force Fa between the pressing plate and the target basic vehicle model under the jacking working condition, and determining the roof compressive strength A of the target basic vehicle model according to the maximum contact force Fa; and S4, according to a comparison result of the roof compressive strength A of the target basic vehicle model and a first preset threshold T1, determining attribute parameters of each section of the final B column. By implementing the method, a large amount of later repeated work causedby blind design of the section of the B column can be avoided, and view influence caused by unreasonable design of the section of the B column can be avoided.

The invention discloses a vehicle automatic control device, the vehicle automatic control device comprises a master control button, a power conversion device, a micro controller, a left intelligent light-shielding plate, and a right intelligent light-shielding plate; the master control button communicates with the ECU of the vehicle connected, the ECU communicates with the microcontroller, and the power conversion device is electrically connected to the microcontroller, the left smart sun visor, and the right smart sun visor respectively; the master control button is used to control the vehicle The entire automatic control device enters the working state from the closed state, or enters the closed state from the working state; the ECU controls the driver corresponding to the power conversion device based on the signal received from the master control button, so that the driver starts to work Or stop working, and then make the power conversion device output electric power or stop outputting electric power. The vehicle automatic control device disclosed by the invention can guarantee the safety performance of vehicle driving and the personal safety of the driver.