281results about How to "Reduce visual fatigue" patented technology

The invention relates to intelligent composite glasses based on polarization positioning and combined positioning. Four groups of front-view cameras and polarizing films are arranged on a glasses frame so as to shoot scene images and polarization images; data processing on polarization signals, scene signals, movement signals and the like is carried out by embedded information processing and comprehensive controlling modules embedded in glasses legs, so that relevant information such as orientations, distances and positions is generated; and after being subjected to visual treatment and synthesized with images such as scenes, the information is transmitted to a display unit arranged at the upper edge of the glasses frame and is displayed. Basic functions of common glasses can be maintained; by the intelligent composite glasses, a user can directly see actual scenes, and can also see a virtual image through the display unit after wearing the glasses; and the virtual image can be a part of the actual scene, and can also be various types of information which is relevant to orientation, ranging, querying, reminding and the like and is displayed in a character or graph mode.

The invention discloses a virtual reality device and a corresponding display method. According to field depth information, a processor divides a to-be-displayed image into a background image and layered images containing different field depth scenes respectively, sends the background image to a main display screen from display and correspondingly sends the layered images to a transparent display screen for layered display; the main display screen is a non-transparent display screen, and the transparent display screen is sequentially overlapped on the main display screen in a multilayer mode. The images having different field depths and the background image undergo multilayer mixed display, so that the different field depth images and the background image can be overlaid, and finally naked eye 3D images are presented to users. Therefore, the user can watch 3D virtual reality scenes with naked eyes without calculation through the brain. It thus can be seen that according to the virtual reality device and the corresponding display method, visual fatigue in using virtual reality devices is reduced, and user experience is improved.

The invention relates to an operation method for a user to freely set text color of an electronic reader, which ensures that the user can set the color of text display according to personal preference after the electronic reader is entered, and displays text font according to the color set by the user. The method ensures that the user can edit the color of the read text font according to the personal preference when reading an electronic text, and makes the color more satisfy a habit of the reading of the user, thereby avoiding the singleness of text colors of the electronic readers on the current market and the inapplicability of the reading under different light source environments at different occasions, reducing the fatigue feeling of the users due to long reading time, increasing the practicability of the electronic readers, and improving the comfort degree of the operation of the users.

The invention relates to a surface defect automatic detecting device for production process of a section bar rolling mill production line, which comprises a fixing device, a control device, video cameras, an image collecting computer, an information processing server, a light-emitting diode (LED) light source, a local area network, a process control network system, a spraying device, a pinch roll, a conveying roller way, stripper rubber and compressed air. The surface defect automatic detecting device for production process of the section bar rolling mill production line is characterized in that the number of the video cameras is determined according to the maximum number of the video cameras needed in the most complex surfaces of all varieties of the section bars to be detected. The surface defect automatic detecting device achieves automatic detection of surface defect of section bars (including varieties of heavy rails, H-shaped steel, joint steel, channel steel, steel angle and the like) by controlling and adjusting focal distance and angle of the video camera and the number of the video cameras. The surface defect automatic detecting device for production process of the section bar rolling mill production line is strong in adaptability, the same configuration can be applied to heavy rail processing lines and profile steel finishing lines, and accordingly software, hardware and spare parts of the device are universal, and manufacture and maintenance cost of equipment can be saved.

The invention relates to a double-screen notebook computer and a realizing method thereof. The double-screen notebook computer consists of a control plate and a display device which are articulated by a hinge shaft that is arranged at the central part of the joint of the control plate and the display device. An electronic-paper display touch screen replaces a fixed keyboard and carries out communicating and control by a control circuit of the notebook computer and a reader control circuit, and the electronic-paper display touch screen is used as a touch keyboard, a handwriting sketchpad and an extending display screen and the reading function of an electronic paper reader is realized by the reader control circuit. The invention realizes a touch input function, a handwriting input function and a double-screen display function of the extending display screen, and the form and the function of a keyboard are expended, so as to lead the users to use conveniently. Meanwhile the control plate can rotate around the display device in three-dimensional way, which ensures that the electronic paper display touch screen is outward so as to form a low-power-consumption electronic paper reader. The electronic paper display screen has the characteristic of no flicker, which relieves the vision fatigue caused by long time reading and satisfies the moving reading requirements of the users.

The invention is applied to the technical field of mobile communication, and provides an adjusting device, a method and a mobile terminal of a display interface. The device comprises a camera used forscanning frame by frame and tracking the position information of a user head or eyes on each frame of image so as to obtain the displacement information of the user head or eyes; and an interface movement control module used for controlling the interface at the mobile terminal to turn out the same displacement change according to the received displacement information of the user head or eyes obtained by the camera, and controlling the interface at the mobile terminal to stop moving when the user head or eyes are disappeared from the capture range of the camera. In the invention, the interfacemovement control module controls the interface at the mobile terminal to turn out the same displacement change according to the received displacement information of the user head or eyes obtained bythe camera so as to lead the user eyes and the mobile terminal interface to keep in an unchanged position, thereby leading the interface at the mobile terminal to have no swaying feeling and reducingthe visual fatigue of the user.

The embodiment of the invention discloses a reading prompt method in an electronic reading terminal and the electronic reading terminal, and relates to the field of electronic processing. In order to lessen the damage to the eyes of a reader reading under over-strong or over-weak light, the embodiment of the invention provides the following technical scheme that: the reading prompt method comprises the steps of acquiring an external light intensity value; and prompting a user to determine whether the light is suitable for reading when the light intensity value is greater than a first predetermined threshold or less than a second predetermined threshold. The method and the terminal are suitable for screen processing.

The invention relates to a blue-light-barrier anti-dazzle optical film and a preparation method therefor. The blue-light-barrier anti-dazzle optical film comprises a transparent substrate which is formed through laminating two layers of transparent films with the thickness of 20-200 microns, wherein a laminating interlayer is a composite adhesive layer, which contains an anti-ultraviolet agent and a blue and purple light barrier dye and has the thickness of 10-30 microns, one face of the transparent substrate is coated with an anti-dazzle and scratch-resistant coating layer with the thickness of 2-10 microns, the other face of the transparent substrate is coated with a pressure-sensitive adhesive, i.e., a binder with the thickness of 5-40 microns, and the surface of the pressure-sensitive adhesive is covered with a release film. The film material plays roles in preventing dazzle, cutting off blue light, reducing visual fatigue and protecting vision and further has the function of protecting a LCD screen from scratch.

An image processing apparatus including a region of interest (ROI) configuration unit may generate a visual attention map according to visual characteristics of a human in relation to an input three dimensional (3D) image. A disparity adjustment unit may adjust disparity information, included in the input 3D image, using the visual attention map. Using the disparity information adjusted result, a 3D image may be generated and displayed which reduces a level of visual fatigue a user may experience in viewing the 3D image.

The invention relates to a self-repairing water-based epoxy compound elastic coating material and a preparation method of the material and belongs to the technical field of paint. The method comprisesthe steps of dispersing macroporous adsorbent resin adsorbing a saturated HMDI (hexamethylene diisocyanate) prepolymer, a latent curing agent and a catalyst mixture and a high water absorber in a paraffin molten mass to prepare macroporous adsorbent resin-water absorber microcapsules, dispersing the microcapsules in water to form microcapsule dispersing liquid, and mixing and curing the microcapsule dispersing liquid, water-based epoxy resin, a water-based epoxy curing agent and the like for film formation to form the water-based epoxy compound elastic coating material with a self-repairing function. When a coating layer is scratched, or a base material deforms and generates a crack, the high water absorber in the microcapsules can adsorb moisture in the air to expand; and the HMDI prepolymer and the latent curing agent can quickly react with groups, such as alkylol amine, generated by the moisture or the water to generate a polyurethane-urea cured substance for synergic repair of thecrack. The material can be used for the highway fields of tunnels, bridges, concrete fender walls, metal guardrails and the like and has effects of corrosion resistance, water resistance, attractiveness, visual fatigue reduction and the like.

The invention discloses an intelligent nursing bed based on a brain-computer interface (BCI) and a control method thereof, and belongs to the robot control field; the intelligent nursing bed comprises an EEG signal acquisition instrument, a computer, a visual sense stimulation and control interface, a control module, and a nursing bed connected in sequence; the EEG signal acquisition instrument is used for collecting EEG signals of a user in real time; the computer is used for preprocessing the EEG signal, extracting features, carrying out feature classification, controlling a cursor on the visual sense stimulation and control interface to move, and sending a control order to the control module; the visual sense stimulation and control interface is provided with four visual stimulation keys, a first mode key and a second mode key; the control module is used for receiving the control order sent by the computer and driving the nursing bed to finish assigned motions. The intelligent nursing bed and the control method can effectively mitigate user visual fatigues, can realize more control functions, thus greatly improving EEG signal identification accuracy and system control precision.

The invention discloses a steady motion evoked potential brain-computer interface method based on equal-brightness color strengthening. An equal-brightness color checker stimulation normal form is adopted, the contraction-expansion motion of checkers is achieved in a sine mode; an electroencephalogram generated when a user stares a stimulating pattern is collected through electroencephalogram collecting equipment and subjected to amplifying, filtering and A/D conversion, then the processed electroencephalogram is input into a computer, and feature extraction and classification and recognition of the collected electroencephalogram are achieved through canonical correlation analysis. According to the method, the color, brightness, the shape, motion and other visual information are integrated, the visual fatigue of the user is relieved, the signal-to-noise ratio of the EEG is increased, the identification accuracy of the stare target is higher, the method has the advantages of low flickering and high adaptability, and the interaction performance of a brain-computer interface can be improved.

The invention discloses a method and device for obtaining the real-time oil consumption of an automotive vehicle and belongs to the technical field of automobiles. The method comprises the following steps of: collecting and accumulating oil consumption pulse signals, and reading a real-time oil consumption pulse accumulated value according to a high sampling rate; collecting and accumulating speed pulse signals, and reading a speed pulse signal accumulated value according to the high sampling rate; obtaining the real-time oil consumption of the automotive vehicle; if the difference value of the real-time oil consumption obtained at the high sampling rate and the oil consumption at the previous time is in an oil consumption variable threshold range, continuously accumulating the oil consumption pulse signals and the speed pulse signals, and taking the real-time oil consumption obtained at a low sampling rate as the current real-time oil consumption; otherwise, determining the real-timeoil consumption obtained at the high sampling rate as the current real-time oil consumption; and outputting and displaying the current real-time oil consumption. The device comprises an oil consumption pulse accumulating unit, a speed pulse accumulating unit, a real-time oil consumption obtaining unit, a current real-time oil consumption judging unit and an output and display unit. By utilizing the method and device disclosed by the invention, a driver conveniently knows about the oil consumption condition of a vehicle so as to drive in an economical manner.

The invention provides a method and a system for displaying pictures and a terminal. The method comprises the following steps of acquiring a plurality of graded pictures which are required to be displayed; according to the attribute information and the grading information of each picture in the graded pictures, dividing a displaying area for displaying the graded pictures into a plurality of sub areas; according to the attribute information of each sub area, the attribute information of each picture and the grading information of each picture in the multiple sub areas, displaying each picture in the corresponding sub area in the sub areas. By the technical scheme provided by the invention, the pictures to be displayed can be displayed in different areas, the displaying effect of good pictures is enhanced, the displaying effect of bad pictures is weakened, the time for a user to browse the pictures is shortened, the visual fatigue of the user is relieved, meanwhile, deformation is not caused in a picture displaying process, the displaying effect of the pictures is enhanced, and the experience of browsing the pictures by the user is promoted.

The invention provides an optical composite film which is used for liquid crystal display devices and arranged at one side of outlet light of a liquid crystal layer; the optical composite film, in the light outlet direction of the liquid crystal display, sequentially comprises a first polarization layer and a phase compensation layer and can realize the functions of light polarization and phase compensation at the same time, thus changing the outlet light of the liquid crystal display device into the round polarized light or elliptic polarized light, thereby being beneficial to the visible fatigue of the viewers.

A vehicle is disclosed. The vehicle includes a first indicator light associated with a first function or a first state of the vehicle (e.g., a brake light), and circuitry coupled to the first indicator light. The circuitry is configured to cause the first indicator light to emit light when the vehicle is performing the first function or is operating in the first state, and detect an amount of light incident on the first indicator light. Thus, the indicator light can be used to detect incoming light to perform various vehicle functions (e.g., automatically dimming mirrors based on the incoming light) without the need for a dedicated light sensor.

The invention discloses an edible eye caring tea granule for preventing asthenopia, and the edible eye caring tea granule for preventing asthenopia belongs to the field of nutritious food and has the advantage of being good and rapid in effect. The edible eye caring tea granule for preventing asthenopia is prepared from the raw materials such as semem cassiae, wolfberry fruit, bilberry, marigold and the like, is capable of protecting the eyes against ultraviolet ray injure due to long-time internet surfing, caring liver and kidney, clearing the heat and improving eyesight, and has the advantage of being good and rapid in effect.

The invention discloses an automatic control fractionation device and application thereof and relates to the technical field of distillation. The automatic control fractionation device is characterized in that a flask belly of a single-opening flask is arranged in a temperature control dry bath boiler; the single-opening flask is connected with a three-way distillation head; an upper opening of the three-way distillation head is connected to a temperature sensor; the temperature sensor is connected with a programmable logic controller (PLC); the PLC is connected with a four-position three-way electric valve; the side opening of the three-way distillation head is connected with an inlet of a condensation pipe; an outlet of the condensation pipe is connected with a liquid receiving pipe; and the four-position three-way electric valve is connected with a liquid receiving bottle. The application comprises the following steps of: 1, writing a program about temperature control conditions required by materials to be distilled and separated into the PLC; 2, placing material liquid to be fractionated into the single-opening flask; 3, enabling the material liquid to flow into the liquid receiving bottle A through the liquid receiving pipe, the four-position three-way electric valve and a guide hose A; and 4, when low-temperature components are completely distilled, rising the temperature, sending a signal to a PLC control module by the temperature sensor, sending out an instruction from the PLC to switch the position of the electric valve. The automatic control fractionation device has the characteristic of simple structure and can precisely control fractionation of components with different boiling points.

The present invention provides a method and device for enhancing the reading effect of e-books, and an electronic terminal. The method includes: a photosensitive component acquires the light intensity value of the current environment; The relationship between the limit value and the critical threshold value; if the light intensity value is greater than the upper limit value or less than the lower limit value, the foreground text chromaticity value is equal to the light intensity value, and the background chromaticity value is equal to 255 minus the light intensity value; if the light intensity If the intensity value is between the upper limit value and the critical threshold value, the foreground text chromaticity value is equal to the upper limit value, and the background chromaticity value is equal to the lower limit value; if the light intensity value is between the lower limit value and the critical threshold value, Then the chromaticity value of the foreground text is equal to the lower limit value, and the background chromaticity value is equal to the upper limit value; the content of the e-book is displayed according to the foreground text and the background chromaticity value. The invention adjusts the foreground text and the background scene according to the intensity of the ambient light, which can maximize the contrast effect, facilitate the reading of the user, and reduce visual fatigue.

The invention relates to an optical thin film, in particular to a quantum dot thin film. The invention aims to solve the problems that at present, high-energy blue light in quantum dot display severely hurts eyes and the luminous efficiency of a quantum dot thin film is general. The invention provides a high-efficiency quantum dot thin film capable of reflecting blue light and a preparation methodand application of the high-efficiency quantum dot thin film. The quantum dot thin film and a blue-light-resistant film (reflective) are integrated. The high-efficiency quantum dot thin film comprises a quantum dot glue layer, water-oxygen blocking layers and a functional blue-light-resistant layer or film, wherein the water-oxygen blocking layers coat the upper surface and the lower surface of the quantum dot glue layer; and the functional blue-light-resistant layer or film is attached to the upper water-oxygen blocking layer. The functional blue-light-resistant layer or film can reflect blue light, the reflected blue light secondarily stimulates quantum dots, the utilization rate of the blue light is increased, and the luminous efficiency of the quantum dot thin film is qualitatively improved. By the high-efficiency quantum dot thin film, the use amount of the quantum dots can be reduced, an effect of saving cost is achieved well, furthermore, part of blue light can be filtered out,and effects of relieving visual fatigue and protecting eyes are achieved.

The invention discloses a head-mounted display device with multiple flight point views. The head-mounted display device comprises a wearing unit and an FPV (First-person Point View) information display unit, an imaging lens and a visual screen mounted on the wearing unit, the visual screen comprises a semi-reflection semi-transmitting layer, the FPV information display unit obtains and displays the FPV information sent from an aircraft, light of a displayed image passes the imaging lens, is then reflected by the semi-reflection semi-transmitting layer, and is displayed in the visual field of a wearer in the form of a virtual image, and natural light, as TPV (Third-person Point View) information, generated by the aircraft penetrates the semi-reflection semi-transmitting layer of the visual screen, and is transmitted to the eyes to generate a real image. The head-mounted display device can provided multiple flight point views and display TPV and FPV information simultaneously, and further, an operator can select to display or shut down any point view information to switch the point views under the condition that the display device is not taken off.

An ultraviolet ray and infrared ray-absorbing glass composition includes the following basic glass components (weight ratio): 60% to 75% of SiO₂, 8% to 20% of Na₂O, 3% to 12% of CaO, 0.1% to 5% of Al₂O₃, 2% to 5% of MgO, 0.02% to 7% of K₂O, 0.1% to 5% of BaO, 0.01% to 0.4% of SO₃ and the following ultraviolet ray and infrared ray-absorbing glass main body coloring and coordinating part: 0.22% to 1.35% of Fe₂O₃, 0.001% to 0.8% of ZrO₂+HfO₂, 0% to 0.5% of Cl, 0% to 2% of B₂O₃, 0.01% to 0.8% of TiO₂, 0.001% to 0.06% of CuO, 0% to 2.0% of Br, 0% to 0.02% of MnO, 0% to 2.0% of F, 0.001% to 0.5% of SrO, and 0.005% to 2.2% of CeO₂. The reduction oxidation ratio of Fe₂O₃ in the glass composition is 0.4 to 0.8.

The invention relates to a warning board, in particular to a safety warning board for road construction. According to the safety warning board for road construction, moving is convenient, and the occupied position is small. The safety warning board for road construction comprises a warning board body, a rotating mechanism, a lifting mechanism, a left-right moving mechanism, an electricity storagemechanism, fixing mechanisms and a first mounting frame. The fixing mechanisms are mounted at the two ends of the first mounting frame, the left-right moving mechanism and the electricity storage mechanism are sequentially and fixedly connected to the top of the first mounting frame in the length direction of the first mounting plate, and the lifting mechanism is fixedly connected to the output end of the left-right moving mechanism. The rotating mechanism is fixedly connected to the output end of the lifting mechanism. According to the safety warning board for road construction, the effects that more striking warning is achieved, the warning board is more easily seen, and warning is reinforced are achieved.

The invention discloses a screen adjusting method and device, a storage medium and electronic equipment. The screen adjusting method comprises the steps of acquiring the environment temperature information of the environment where a screen is located; obtaining current display parameters of the screen; acquiring a corresponding compensation parameter according to the environment temperature information and the display parameter; determining a target adjustment parameter according to the display parameter and the compensation parameter; and adjusting the screen according to the target adjustment parameter. The corresponding compensation parameter is obtained according to the temperature information of the environment where the screen is located and the display parameter, the target adjustment parameter is determined according to the compensation parameter and the display parameter, the screen is adjusted according to the target adjustment parameter, and the adjustment effect of the screen is improved. The problem that the display effect of the screen is poor due to external environment temperature changes is solved, and visual fatigue of a user is reduced.