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44results about How to "Less prone to visual fatigue" patented technology
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Visual training glasses
InactiveCN101836931AImprove eyesightLess prone to visual fatigueEye exercisersEngineeringVisual acuity
The invention discloses visual training glasses which comprise a base, two lenses and a display screen, wherein the two lenses are installed on the base and can move left and right relative to the base to change the distance between the two lenses; the display screen is installed on the base and can move front and back relative to the base to change the distances between the display screen and the lenses; and the display screen is positioned behind the two lenses, and the eyes of a looker can look on the display screen through the two lenses. The front and back movement of the display screen synchronously corresponds to the left and right movement of the lenses, so that an image looking angle is reduced when an image distance is increased, and the image looking angle is increased when theimage distance is reduced, thus the eyes of the looker simultaneously make focusing movement of eye ciliary muscle and concentration adjusting movement of eyeball muscle. Because the eyes of the looker simultaneously make the focusing movement of the eye ciliary muscle and the concentration and separation adjusting movement of the eyeball muscle, the eye ciliary muscle and the eyeball muscle can be simultaneously exercised, thus the looker can look more natural and comfortable, and the invention is conductive to improve the eyesight of users.
Owner:陆健 +1
Diatom mud
The invention relates to diatom mud which is prepared from fine diatomite, methyl cellulose, bamboo charcoal and shell powder according to a certain weight ratio. With the diatom mud provided by the invention, indoor air can be effectively purified, wall surface reflected lights are natural and gentle; visual fatigue can be retarded, and fading is prevented. With the diatom mud, the wall surface can be kept new for a long time, such that wall surface service life is increased, wall surface decoration frequency is reduced, and household cost is reduced. The diatom mud is non-combustible, and causes no smog such as harmful gas. With the diatom mud, indoor air humidity can be automatically regulated, static electricity is prevented, and dust accumulation on the wall surface is prevented. The diatom mud is suitable to be popularized.
Owner:张维民
Integral paper frame structure, vertical type and horizontal type printers comprising same
InactiveCN102616010AEasy to assemble and disassembleEasy to useOther printing apparatusPulp and paper industry
Owner:深圳市润信达科技有限公司
Reflective type virtual reality optical system
The invention discloses a reflective type virtual reality optical system which comprises a diaphragm (100).A first lens (1) which is fixed relative to the diaphragm (100) and a second lens (2) which can move in a front-rear mode relative to the diaphragm (100) are arranged on one side of the diaphragm (100).A reflecting element (3) and a display screen (200) are arranged on one side of the second lens (2) far away from the diaphragm (100), light emitted by the display screen (200) is reflected through the reflecting element (3) to enter the second lens (2) and the first lens (1) and then reaches the diaphragm (100), the first lens (1) is a bi-convex aspheric lens having positive focal power, the second lens (2) is a meniscus aspheric lens having negative focal power, and the focal power of the reflecting element (3) is 0.The reflective type virtual reality optical system is simple in structure, high in definition, large in field angle, small in size and light in weight.
Owner:UNION OPTECH
Backlight system of liquid crystal display apparatus
InactiveCN101655210AReduce energy consumptionPromote reductionMechanical apparatusStatic indicating devicesLiquid-crystal displayEngineering
The invention pertains to liquid crystal display field, provides a backlight system of liquid crystal display apparatus, the system comprises solar energy collectors for collecting outdoor sunshine, and photoconductive tubes connecting the connector and the liquid crystal display apparatus, which input the collected sunshine into the liquid crystal display apparatus. Comparing conventional backlight system of liquid crystal display apparatus, the inventive backlight system of liquid crystal display apparatus uses sunshine as backlight source, which is beneficial to reduce energy consumption ofthe liquid crystal display apparatus; the backlight spectral line is continuous full spectrum of nature, the system has more abundant spectral line, such that the color of the display system approaches to nature color of objects, real color of natural object can be shown greatly, and additionally, human eyes are adaptive to the sunshine to prevent visual fatigue.
Owner:TCL CORPORATION
Display
ActiveCN105158903ALess prone to visual fatigueSave materialOptical elementsReflectivityTransmittance
The invention discloses a display which comprises a display device and a light source system. The display device comprises multiple pixels, and the transmittivity or reflectivity of each pixel can be adjusted; the light source system is used for projecting light onto the display device and designed to be capable of enabling emergent light of the pixels of the display device to point to a predetermined convergence point in the space. Accordingly, when the display is used, the position of the convergence point of illumination light can be adjusted according to the position of a human eye node, so that the convergence point can coincide with the human eye node; in this way, a user can receive image information on the display without deviation without needing human eye adjustment.
Owner:BEIJING G WEARABLES INFORMATION SCI & TECH
Wrong and neglected mounting detection device of air conditioner air outlet
The invention relates to a wrong and neglected mounting detection device of an air conditioner air outlet, which comprises a bottom board (1), a locating block (2) and a control box (3), wherein the upper end of the locating block (2) is provided with a bulge (4) for being in socket joint with the lower end of the air conditioner air outlet; an air door detection mechanism (5) is arranged on the bulge (4); a horizontal blade detection mechanism (6), a vertical blade detection mechanism (7), a crank detection mechanism (8) and a three-component detection mechanism (9) are arranged on the bottom board (1); the horizontal blade detection mechanism (6), the vertical blade detection mechanism (7), the crank detection mechanism (8) and the three-component detection mechanism (9) are all distributed around the locating block (2); a wrong and neglected mounting display lamp (10) and a finished product display lamp (11) are arranged on the control box; and each of the detection mechanisms is connected with the control box (3). Compared with the prior art, the device has the characteristics of being relatively high in sieving accuracy rate, relatively high in sieving efficiency and relatively low in sieving cost.
Owner:NINGBO YOSUN AUTO PARTS
Display device with dynamic adjustment of transparent backlight
PendingCN109119034ALess prone to visual fatigueRealize touch requirementsStatic indicating devicesNon-linear opticsLiquid-crystal displayLight guide
The invention relates to a display device with dynamic adjustment of a transparent backlight. The brightness of a frame is adjusted dynamically according to the irradiation intensity of an ambient light source, so that the brightness of the frame is stabilized within a preset range. The display device comprises an LED, an electronic control unit, as well as a TFT (thin film transistor) liquid crystal display layer, a liquid crystal layer, a ambient brightness module obtaining layer, a light guide plate layer and a variable light transmission film layer arranged in a laminated way directly, a light guide plate is connected with the LED, and the TFT liquid crystal display layer, the liquid crystal layer, the light guide plate layer, the variable light transmission film layer and the LED areelectrically connected with the electronic control unit. The TFT liquid crystal display layer is used to display the frame, and the liquid crystal layer enables penetrated light to be in a normally white light transmission state or a high-fog light transmission state. The display device can ensure that the brightness of the frame is within the stable preset range, the frame looks more uniform andattractive, and watching for long time tends not to cause visual fatigue.
Owner:JIANGSU IRON ANCHOR GLASS LTD BY SHARE LTD
Wind-heat cleaning system for automobile glass
The invention discloses a wind-heat cleaning system for automobile glass. The wind-heat cleaning system comprises an air compressor, a tail gas waste heat exchanger, a temperature and pressure sensor, a controller and an air blast opening, an air inlet of the air compressor is communicated with air outside an automobile, an air outlet of the air compressor is connected with an air inlet of the tail gas waste heat exchanger, an air outlet of the tail gas waste heat exchanger is connected with the air blast opening, an air outlet of the air blast opening is formed in the edge of the bottom of the automobile glass, the tail gas waste heat exchanger is arranged in an automobile exhaust pipe, passing air is heated through absorbed automobile tail gas heat, and the temperature and pressure sensor is arranged in a pipeline between the tail gas waste heat exchanger and the air blast opening, and transmits temperature and pressure signals to the controller. The controller controls pressure of compressed air of the air compressor according to the temperature and pressure signals received from the temperature and pressure sensor. The wind-heat cleaning system can achieve the good rain blocking and cleaning functions on a windshield, rearview mirrors and side windows of the automobile by utilizing automobile tail gas heat exchange. Heat energy is recycled and reused, and energy waste is effectively avoided.
Owner:WUHAN JINGLI ELECTRONICS TECH
Clamp for detecting external dimension of packaged chip and detection method of clamp
ActiveCN104677225AReduce labor costsEasy to detectMechanical measuring arrangementsBiochemical engineering
The invention discloses a clamp for detecting an external dimension of a packaged chip and a detection method of the clamp. The clamp comprises a base, a supporting plate, a rail seat, a rail, a detecting jig and cover plates, wherein the supporting plate is fixed on the base; the rail seat is hinged on the supporting plate; the rail is arranged on the rail seat; two cover plates are respectively fixed at two ends of the rail seat; the detecting jig is arranged on the rail; the detecting jig comprises a detecting jig body; a channel, through which the packaged chip can pass, is arranged on the detecting jig; the channel is adaptive to the external dimension of the packaged chip. According to the clamp for detecting the external dimension of the packaged chip, the detection efficiency is greatly improved. The invention further provides the detection method. The detection method provided by the invention has the advantages of simplicity and easiness in operation.
Owner:四川明泰微电子科技股份有限公司
Preparation process for diatom mud formaldehyde-removing indoor coating
The invention relates to a preparation process for a diatom mud formaldehyde-removing indoor coating. The coating mainly comprises the following components in percentages by mass: 15-35% of diatomaceous earth, 0.2-1% of a dispersant, 0.1-2% of a surfactant, 15-25% of modified starch, 10-17% of a synthetic emulsion, 6-13% of nano-sized titanium dioxide, 5-12% of talc powder, 0-30% of a filler, 0.5-2% of a silver ion antibacterial agent, 1-5% of an auxiliary agent, 0.3-0.5% of a wetting agent, 0.2-0.5% of a defoaming agent, 10-15% of activated carbon, and the balance of water. In a word, the coating provided by the invention has the advantages of a wide range of raw material sources, low price, safety, environmental protection, and strong formaldehyde-adsorbing ability.
Owner:德马科起重机械有限公司
Space layered imaging method
InactiveCN102707445AIncrease contentSimple structureOptical elementsComputer scienceVisual perception
The invention relates to the field of visual imaging, in particular to space layered imaging. The invention provides a technology capable of generating multilayer images, thereby enabling observers to obtain the three-dimensional effect of multilayer image overlapping in vision. The invention has the advantages of simple structure, low price and difficult visual fatigue generation. In the invention, more than one image source simultaneously emit light, one of the image sources is served as an observing plane, and light emitted from the other image sources form multilayer virtual image sources on a plane which is parallel to the observing plane through a reflecting device, and therefore, the observers can obtain the three-dimensional effect of the multilayer image overlapping in vision.
Owner:闫贵鹏
shadowless lamp
ActiveCN103388781BFast resizingEasy to adjustTreatment roomsMedical lightingRelative displacementLight spot
The invention discloses a shadowless lamp, which comprises a light source frame, a plurality of light source assemblies fixedly arranged on the light source frame, a lens frame, a plurality of lens assemblies fixedly arranged on the lens frame, and a lifting mechanism, wherein the lens frame is arranged below the light source frame; the lens assemblies correspond to the light source assemblies one by one; each lens assembly is respectively in eccentric arrangement with the light source assembly corresponding to the lens assembly; the lifting mechanism is respectively connected with the lens frame and the light source frame; the lifting mechanism is used for enabling the lens frame and the light source frame to generate vertical relative displacement. When the shadowless lamp disclosed by the invention is applied, the operation amplitude of regulating the size of a shadowless lamp light spot is reduced, regulation is simplified, and the size of the light spot can be precisely controlled.
Owner:上海菲曼特医疗器械有限公司
Quick automatic testing fixture for automotive connector
PendingCN107024624AAvoid lengthAvoid positionElectric connection testingAutomatic testingElectrical and Electronics engineering
The invention relates to a quick automatic testing fixture for an automotive connector. The quick automatic testing fixture comprises a base board (2), a PIN contact platform (3) and a testing circuit. The PIN contact platform (3) and the testing circuit are arranged on the base board (2). The testing circuit comprises a plurality of branch circuits which are connected with a power supply (41). The number of the branch circuits is same with the number of PINs of a to-be-tested connector. The branch circuits are parallelly connected. Each branch circuit is connected with the pressure contact switch (42) and a state display lamp (43) which are connected in series. The pressure contact switch (42) is arranged on the PIN contact platform (3). The position of the pressure contact switches (42) are in one-to-one correspondence with the PIN positions of the to-be-tested connector. Compared with prior art, the quick automatic testing fixture is advantageous in that the pressure contact switch is utilized for sensing on-and-off change of a corresponding branch circuit caused by a PIN pressure; whether the PIN is qualified is displayed through a state displaying lamp; and one-to-one testing of the PINs by an operator is not required, thereby preventing visual fatigue, reducing testing error rate and improving testing speed.
Owner:SHANGHAI CHIEF LAND ELECTRONICS CO LTD
Foldable lantern and application thereof
InactiveCN105674206AImprove stabilitySmall space volumeNon-electric lightingPoint-like light sourceEngineeringLantern
The invention discloses a foldable lantern and application thereof, and belongs to the technical field of decorative lighting products. The foldable lantern comprises a hood body which is formed by connecting and bonding hood body pieces end to end, the surface of each hood body piece is provided with a plurality of vertical creases and one transverse crease according to folding requirements, and the upper end and the lower end of each hood body piece are both provided with through holes. The hood body of the lantern can be designed in a foldable type, the stability of the hood body is improved through fixing rings, the space size of the hood body can be effectively reduced, and packaging or carrying is facilitated; the lantern can also be decorated to improve the variety of the lantern. The hood body is ingenious in conception, simple in structure, low in cost, high in practicability, good in decoration effect, convenient to produce and mount and easy to popularize. According to the application of the foldable lantern, the foldable lantern can be applied to various occasions for decoration according to needs, and therefore various artistic conceptions are expressed, the atmosphere is foiled, the effect that the lantern achieves multiple purposes is achieved, resources are saved, and the environment is protected.
Owner:庄言
High-strength environment-friendly PVC antibacterial plate and preparation method thereof
The invention belongs to the technical field of PVC plastic plates, and particularly relates to a high-strength environment-friendly PVC antibacterial plate and a preparation method thereof. The PVC antibacterial plate comprises the following raw materials: PVC resin powder, a plasticizing accelerator, a reinforcing agent, a filling agent, wood flour, an antibacterial agent, a stabilizer, a lubricant, a delustering agent and an ink absorbing agent. According to the high-strength environment-friendly PVC antibacterial plate, the compound reinforcing agent is added, so the obtained plate is highin hardness, high in strength and resistant to corrosion; a wood powder filler is added, so the density of the plate is reduced, and the plate is light in weight, good in rigidity and strong in woodtexture; the added stabilizer is green, environment-friendly and pollution-free; the specific delustering agent is added, so the surface of the manufactured plate is low in light reflection rate and soft in gloss, and such a matte effect can improve the comfort level of a light environment and allows people to not be prone to visual fatigue; and the plate surface has uniform and consistent gloss,and does not need secondary processing and painting, so cost is saved.
Owner:SHANDONG BODO PLASTICS CO LTD
Wrong or missing detection device for air outlet of air conditioner
ActiveCN102998715BIncrease production capacityReduce manufacturing costOptical detectionEngineeringAir conditioning
The invention relates to a wrong and neglected mounting detection device of an air conditioner air outlet, which comprises a bottom board (1), a locating block (2) and a control box (3), wherein the upper end of the locating block (2) is provided with a bulge (4) for being in socket joint with the lower end of the air conditioner air outlet; an air door detection mechanism (5) is arranged on the bulge (4); a horizontal blade detection mechanism (6), a vertical blade detection mechanism (7), a crank detection mechanism (8) and a three-component detection mechanism (9) are arranged on the bottom board (1); the horizontal blade detection mechanism (6), the vertical blade detection mechanism (7), the crank detection mechanism (8) and the three-component detection mechanism (9) are all distributed around the locating block (2); a wrong and neglected mounting display lamp (10) and a finished product display lamp (11) are arranged on the control box; and each of the detection mechanisms is connected with the control box (3). Compared with the prior art, the device has the characteristics of being relatively high in sieving accuracy rate, relatively high in sieving efficiency and relatively low in sieving cost.
Owner:NINGBO YOSUN AUTO PARTS
Ornamental intelligent sand table
PendingCN112017521AAccurate acquisitionImprove display effectAdvertisingEducational modelsInformation controlEnvironmental sounds
The invention relates to the field of demonstration tools, and particularly relates to an ornamental intelligent sand table, which includes a base. A fixed landscape module, a light module, a sound module and a control module are arranged on the base; the control module controls the light module to be lightened for display; the control module controls the sound module to play preset environment sound; the base is provided with a networking module, the networking module is wirelessly connected with the Internet to acquire weather information and send the weather information to the control module, the control module controls the sound module to play environment sound corresponding to weather according to the weather information, and the control module controls the lamplight brightness of thelight module to change according to the weather information. According to the invention, the sand table is enabled to carry out adaptive change of the micro-landscape according to actual weather information, the sand table does not always show an effect for a long time, visual fatigue is not easy to occur, and the display effect of the sand table is improved.
Owner:CHONGQING COLLEGE OF ELECTRONICS ENG
Mobile phone naked eye 3D display technology based on viewpoint positioning and single visual angle stereograph
InactiveCN108391117ALess prone to visual fatigueDevices with sensorSubstation equipmentViewpointsComputer science
The invention relates to a mobile phone naked eye 3D display technology based on viewpoint positioning and a single visual angle stereograph, for mainly solving the problem that the existing stereograph only has a three-dimensional effect when being watched from a single angle, and cannot reflect multi-angle information of an object. The technology sequentially comprises the following steps of a,viewpoint positioning: an initial position of a viewer viewpoint with respect to a mobile phone screen is preset by a viewer or set to be a default value, when the mobile phone is inclined, acquiringangle information of the mobile phone at the moment, and thus acquiring a determination visual angle for a position relation between the viewer viewpoint and the mobile phone screen; b, image acquisition: acquiring three-dimensional image content that the viewer should view at the visual angle; and c, image deformation: deforming the image acquired by using a projection conversion method to form asingle visual angle stereograph, and thus being capable of achieving a naked eye 3D effect on the mobile phone screen. The naked eye 3D display technology can achieve watching from multiple visual angles, and display images of multiple angles of the object; and the essence of the display technology is two-dimensional display, so that the viewer is not prone to generate visual fatigue.
Owner:周金润
A rotary billboard controlling device
InactiveCN105700398ALess prone to visual fatigueProgramme control in sequence/logic controllersAutomatic controlEngineering
The invention discloses a rotating billboard control device, which relates to the technical field of billboard control equipment manufacturing and comprises a low-speed manual control circuit, a high-speed manual control circuit, a low-speed automatic control circuit, a high-speed automatic control circuit and a conversion circuit. The invention can solve the problem that the existing rotating billboards easily cause visual fatigue to people.
Owner:姚安宇
Night reading lamp for protecting vision
InactiveCN107477411AAvoid damageEasy to carryLighting support devicesElectrical apparatusProtecting eyeEngineering
The invention belongs to a lighting device and particularly discloses a night reading lamp for protecting the vision. The night reading lamp comprises a base and a lamp cap connected with the base. The lower end of the base is provided with a pulling and placing type reading plate slot, the back of the base is provided with a fixing mechanism, and the upper end of the base is provided with a rotary knob switch and is connected with a longitudinal telescopic rod. The top end of the longitudinal telescopic rod is connected with a transverse telescopic rod, the top end of the transverse telescopic rod is connected with a universal pipe, and the universal pipe is connected with the lamp cap. The reading lamp is proper in lamplight and color temperature, the lamplight is stable and free of flash, visual fatigue of a user is not prone to be generated, and a good eye protection effect is achieved; and the fixing manners are diversified, the placement place is less limited, and the reading lamp is convenient to store and carry, wide in applicable crowds and high in function combination and can bring great convenience to the user.
Owner:海盐派特普科技有限公司
Rotation advertising board control circuit
ActiveCN105676696ALess prone to visual fatigueProgramme control in sequence/logic controllersLow speedAutomatic control
The invention discloses a rotation advertising board control circuit and relates to the technical field of advertising board control device manufacturing. The rotation advertising board control circuit comprises a low-speed manual control circuit, a high-speed manual control circuit, a low-speed automatic control circuit, a high-speed automatic control circuit and a switching circuit. The rotation advertising board control circuit can solve the problem that an existing rotation advertising board makes people feel visually-fatigue easily.
Owner:重庆平元建筑工程有限公司
Interior decoration coating containing diatomite and having formaldehyde removal function
InactiveCN108329761APastel colorLong lasting colorStarch dervative coatingsAntifouling/underwater paintsEmulsionPhysical chemistry
The invention relates to an interior decoration coating containing diatomite and having a formaldehyde removal function. The coating is mainly prepared from components in percentage by mass as follows: 15%-35% of diatomite, 0.2%-1% of a dispersant, 0.2%-0.5% of sodium alginate, 15%-25% of modified starch, 10%-17% of a synthetic emulsion, 6%-13% of nano titanium dioxide, 5%-12% of talc powder, 0-30% of filler, 0.5%-2% of a silver ion antibacterial agent, 1%-5% of an aid, 0.3%-0.5% of a wetting agent, 0.2%-0.5% of an antifoaming agent and the balance of water. In conclusion, the interior decoration coating has the advantages that the coating has wide raw material source, low cost, safety, environmental friendliness and high formaldehyde adsorption capacity.
Owner:德马科起重机械有限公司
monitor
ActiveCN105158903BLess prone to visual fatigueSave materialOptical elementsDisplay deviceComputer science
The invention discloses a display which comprises a display device and a light source system. The display device comprises multiple pixels, and the transmittivity or reflectivity of each pixel can be adjusted; the light source system is used for projecting light onto the display device and designed to be capable of enabling emergent light of the pixels of the display device to point to a predetermined convergence point in the space. Accordingly, when the display is used, the position of the convergence point of illumination light can be adjusted according to the position of a human eye node, so that the convergence point can coincide with the human eye node; in this way, a user can receive image information on the display without deviation without needing human eye adjustment.
Owner:BEIJING G WEARABLES INFORMATION SCI & TECH
Ecological health-preserving interior wall material and preparation method thereof
InactiveCN111960717AHas antibacterial and antibacterial effectAlkali-resistant and mildew-proofCelluloseKaolin clay
The invention discloses a wall decoration material, particularly relates to an ecological health-preserving interior wall material and a preparation method thereof, and belongs to the technical fieldof building decoration materials. The ecological health-preserving interior wall material is prepared from the following raw materials in parts by weight: 50-60 parts of jade powder, 20-25 parts of zeolite powder, 5-10 parts of medical stone, 2-3 parts of six-ring rock powder, 2-3 parts of kaolin powder, 2-3 parts of titanium dioxide, 1-2 parts of nanoscale titanium dioxide, 1-2 parts of negativeion powder, 4-6 parts of redispersible rubber powder and 0.5-1 part of methyl hydroxyethyl cellulose. The ecological health-preserving interior wall material has the function of eliminating formaldehyde, can release anions and trace elements required by a human body for a long time, has the characteristics of disinfection, deodorization, bacteria resistance, bacteriostasis, fire resistance, flameretardance, alkali resistance, mildew resistance, sound absorption and noise reduction, and is long in service life and soft in color.
Owner:辽宁中康科技有限公司
A flashing synchronous optical name plate control method
ActiveCN106094594BFlashing in syncLess prone to visual fatigueProgramme control in sequence/logic controllersNuclear engineeringComputer module
Owner:CHINA NUCLEAR CONTROL SYST ENG
proofreading method for text
ActiveCN106708801BLess prone to visual fatigueImprove proofreading efficiencyNatural language data processingProgramming languageLayout
The invention discloses a proofreading method used for a text. The proofreading method used for the text comprises the following steps that: starting a stream type layout; starting a proofreading interface; moving a cursor to indicate the characters of the stream type layout, wherein the proofreading interface displays the characters of a format layout corresponding to the characters of the stream type layout, the phrase and / or the context partial contents of the characters of the format layout, and a suggested character group. By use of the proofreading method used for the text, character proofreading efficiency is improved, and the proofreading method is convenient in use.
Owner:SHENZHEN MPR TECH CO LTD
Method for manufacturing lens of multifocal glasses and multifocal glasses
The invention provides a method for manufacturing a multi-focus glasses lens and multi-focus glasses, and the method comprises the steps: carrying out the shooting of N groups of light on the same grating recording material, obtaining a grating element with a plurality of optical focuses, for example, the grating element can be HOE or DOE; manufacturing a multi-focus spectacle lens by using the grating element; wherein each group of light in the N groups of light comprises object light and reference light, the object light in different groups corresponds to the myopia degree or the hyperopia degree (namely the diopter) of the user, the reference light in different groups corresponds to different preset watching distances, and each group of light corresponds to one focus or one diopter. According to the method for manufacturing the multi-focus glasses lens, the multi-focus glasses lens is manufactured based on the grating element technology of angle multiplexing, controllable step change of the diopter of the lens is achieved, the multi-focus glasses lens with a smaller step change range is achieved, and the use efficiency and the user experience of the multi-focus glasses are improved.
Owner:JOURNEY TECH LTD
Non-imaging glimmering night-vision enhancing lens
InactiveCN102255226AReduce volumeReduce weightOptical resonator shape and constructionTelescopesNight visionHigh energy
The invention discloses a non-imaging glimmering night-vision enhancing lens, which comprises a gain lens, wherein electrode films are arranged on upper and lower surfaces of the gain lens. A transparent matter permeates into or is wrapped by a laser working matter to form the gain lens. When the non-imaging glimmering night-vision enhancing lens is used, the electrode films on the upper and lower surfaces of the gain lens are connected to a pumping power supply of a pumping system. The laser working matter in the gain lens is subject to dark discharge pumping under the action of current which passes through the space between the electrode films on the upper and lower surfaces of the gain lens, so that the electron transition pumped to a high energy level is stimulated to realize stimulated radiation when light at a specific waveband passes through the gain lens, thus a glimmering night-vision effect is achieved. A glimmering night-vision instrument equipped with the non-imaging glimmering night-vision enhancing lens has the advantages of small volume and light weight, is convenient for wearing and can hardly cause visual fatigue.
Owner:马原
BD test pack
InactiveCN104132774AEasy to identifyLess prone to visual fatigueVacuum gaugesStructural/machines measurementVacuum pumpingVacuum pressure
The invention discloses a BD test pack. The BD test pack is concise in frame line construction, beneficial to recognition test and not prone to visual fatigue during a test. The BD test pack is provided with a pack sleeve. A BD test card is arranged in the pack sleeve. The BD test card is provided with a base substrate (2), color change frames (1) are attached to the base substrate (2), the color change frames (1) are a plurality of frames with similar figures, the smaller frame in the frames with the similar figures is sleeved with the corresponding larger frame in the frames with the similar figures, and the height of the smaller frame in the frames with the similar figures is smaller than that of the corresponding larger frame in the frames with the similar figures. The BD test pack is applicable to testing the forevacuum pressure steam sterilizer vacuum-pumping effect and the steam sterilizing penetration effect.
Owner:HANGZHOU YINGKEN TECH
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