431 results about "Frosted glass" patented technology

A method and system for rendering a desktop on a computer using a composited desktop model operating system are disclosed. A composited desktop window manager, upon receiving content information from application programs, draws the window to a buffer memory for future reference, and takes advantage of advanced graphics hardware and visual effects to render windows based on content on which they are drawn. The windows may also be rendered based on environment variables including virtual light sources. The frame portion of each window may be generated by pixel shading a bitmap having the appearance of frosted glass based on the content of the desktop on top of which the frame is displayed. Legacy support is provided so that the operating system can draw and render windows generated by legacy applications to look consistent with non-legacy application windows.

A method and system for rendering a desktop on a computer using a composited desktop model operating system are disclosed. A composited desktop window manager, upon receiving base object and content object information for one or more content objects from an application program, draws the window to a buffer memory, and takes advantage of advanced graphics hardware and visual effects to render windows based on content on which they are drawn. The frame portion of each window may be generated by pixel shading a bitmap having the appearance of frosted glass based on the content of the desktop on top of which the frame is displayed. Legacy support is provided so that the operating system can draw and render windows generated by legacy applications to look consistent with non-legacy application windows.

The invention discloses a process for producing anti-glare glass by using high-boron silicon and high-aluminium silicon glasses, wherein the method comprises the following steps: (1) weighing the raw materials according to the formula of a frosting liquid, mixing and stirring the raw materials evenly, curing the mixture for 24 -30 hours to prepare the frosting liquid; (2) after cleaning the glass to be frosted, carrying out protective treatment on one surface that is not needed to be frosted; (3) placing the protected glass into a pre-treatment liquor for further cleaning; (4) placing the treated glass into the cured frosting liquid to frost the glass for 30 -200 seconds, taking out the glass and cleaning the glass with water; and (5) placing the frosted glass into a polishing liquid to etch to obtain the anti-glare glass finished product. The invention solves the problem that the high-boron silicon and high-aluminium silicon glasses have large hardness and are difficult to be frosted; the process provided by the invention improves the hardness of the glass while guaranteeing the even frosting degree and good anti-glare effect; the product produced by the process provided by the invention has advantages of acid and alkali resistance and corrosion resistance.

The invention relates to a two-dimensional compression ghost imaging system based on coincidence measurement. The two-dimensional compression ghost imaging system comprises a laser, rotating frosted glass, an object, a spatial light modulator, a first set of convergent optical absorption lens, a second set of convergent optical absorption lens, a first point detector, a second point detector, a coincidence measurement circuit and an algorithm module, wherein laser emitted by the laser irradiates the frosted glass to produce pseudo calorescence which is divided into an object arm optical path and a reference arm optical path; on the object arm optical path, an optical field of the pseudo calorescence is spread to the object, and the total light intensity is collected through the first set of convergent optical absorption lens and the first point detector; on the reference arm optical path, the optical field of the pseudo calorescence is spread to the spatial light modulator, and after modulation, the total light intensity is collected through the second set of convergent optical absorption lens and the second point detector; the coincidence measurement circuit is used for carrying out coincidence measurement on the total light intensity of the object arm optical path and the reference arm optical path and outputting coincidence measurement values, and the algorithm module is used for reconstructing the distribution of spatial correlation coefficients according to a measurement matrix and the measurement values by applying a compression perception algorithm.

Disclosed is a convex lens focal length measuring device and method. The device is composed of a 1053 nm fiber point light source, a laser range finder, a precise moving guide rail, a convex lens to be measured, a shearing interference plate, a frosted glass screen and a CCD (charge coupled device). A user observes the fringe pattern formed on the shearing interference plate by output beams through the CCD after the lens is collimated, then adjusts the moving direction and the position of the fiber point light source on the precise moving guide rail, enables the 1053 nm point light source to finally be positioned on a focal plane, and then obtain the focal length of the lens through measurement of the laser range finder. The convex lens focal length measuring device has the advantages of being simple in structure, convenient to adjust and high in measuring precision and can help evaluate the optical quality of the convex lens through transverse shearing interference fringes generated during the measuring process to provide valuable detecting data for installation, calibration and optical manufacture of convex lenses.

The invention discloses an astigmatic compensation type interference detecting device and method for optic free curved surfaces. The device comprises He-He lasers, a beam expander, a 1 / 2 wave plate, a polarized beam splitter, a first 1 / 4 wave plate, a second 1 / 4 wave plate, a standard plane reflector, a phase shifter, a first convergent lens, a to-be-tested free curved surface, a second convergent lens, a plane reflector, a polarizer, a rotating frosted glass screen, an imaging objective lens, a detector, a displayer and a computer. The method comprises the steps of placing the to-be-tested free curved surface in an inclined state to make test beams come in a specific angle in an inclined mode to compensate for main surface shape astigmatic error components of the to-be-tested free curved surface, therefore reducing the degree of divergence of the subsequent test beams, and making the stripes discernable on the detector. The detector collects a series of phase-shifting interferograms which are treated with a wave front reconstruction algorithm to obtain a surface shape of the to-be-tested free curved surface. According to the astigmatic compensation type interference detecting device and method for optic free curved surfaces, the astigmatic compensation method is used for testing optic free curved surfaces for which the main surface shape error components are astigmatism, the stability is high, and the cost is low.

The invention discloses a fast laser speckle blood imaging system and a fast laser speckle blood imaging method. The fast laser speckle blood imaging system comprises a laser, a laser beam expander, a plane mirror, frosted glass, a step motor, a measured object, a CCD (charge coupled device) camera and a computer, wherein laser emitted by the laser passes through the laser beam expander, the plane mirror and the frosted glass, and then irradiates the surface of the measured object; backward scattered light generated by the measured object forms speckles on the surface of the CCD camera; the CCD camera transmits images of the speckles to the computer for processing; and the computer traverses all pixels in a pth frame image, obtains speckle image ambiguities of all the pixels through calculation, calculates the corresponding relative blood flow velocities according to the ambiguities, and establishes a distribution diagram of the relative blood flow velocities. Compared with the conventional fast laser speckle blood imaging system and the fast laser speckle blood imaging method, the fast laser speckle blood imaging system and the fast laser speckle blood imaging method which are provided by the invention have the advantages of small calculation amount and good timeliness.

The invention provides a frosted glass and a preparation method thereof, a glass back cover and an electronic device, wherein the frosted surface of frosted glass has a pointed projection structure. According to the present invention, based on the pointed projection structure of the frosted glass, the frosted glass has a frosted effect and achieves anti-fingerprint and anti-glare effect, and lightcan be subjected to mirror reflection on the surface having the pointed projection structure to form pearlescent effect, such that the frosted glass simultaneously has effects of fingerprint resistance, glare resistance and pearlescent effect, and pearlescent ink printing on the glass is not required so as to save the frosted glass production process and the frosted glass production cost.

The present invention discloses a multi-wavelength tunable micro-interference measuring method and a device thereof. A multi-wavelength tunable laser is modulated to output three paths of wavelength tunable laser signals in the synchronous or time-sharing manner. The three paths of wavelength tunable laser signals are compounded as one path of composite laser signals through beam-combining optical fibers, and the path of composite laser signals is focused and coupled to the surface of a frosted glass plate which is rotating at a constant speed. After that, the path of composite laser signals is incident to the surface of a beam splitter after being formed as the parallel light through a collimating beam-expanding lens. The light is reflected to enter an interference microscope, and then is irradiated onto the surface of a to-be-tested element on an objective table. A reflected signal sequentially passes through the objective lens of the interference microscope and the beam splitter to be coupled to the target surface of a color camera through an imaging lens. Finally, output signals are regulated and acquired data are synchronously controlled by a computer. According to the technical scheme of the invention, a plurality of different wavelengths are adopted by a single-wavelength tunable laser module, so that the optical phase shift and the multi-wavelength interference detection are realized. The method and the device are especially suitable for the fast and accurate measurement of microstructure elements which are complex and non-continuous in surface shape variation. Therefore, measurement errors, caused by the scanning motion of a mechanical component, can be effectively inhibited.

The invention relates to a ghost imaging method and a ghost imaging system based on a bionic vision mechanism, and belongs to the photoelectric imaging field. A laser source, a collimating lens, a rotary frosted glass, and a spectroscope are respectively disposed on the same optical path sequentially. The laser source, the collimating lens, and the rotary frosted glass are used to generate parallel pseu-dothermal light required by the ghost imaging. The spectroscope is used to divide the pseu-dothermal light into two optical paths, and reflection light is a reference arm optical path, and transmission light is a detection arm optical path. The light intensity distribution of the reference arm optical path is received by a bionic detector array, and pseu-dothermal light source two-dimensional light intensity distribution information is completed. After the light of the detection arm is irradiated on a target, the light is reflected, and then the light is reflected by the spectroscope, and the reflection light total light intensity is received by a barrel detector, and the target reflection light total light intensity information acquisition is completed. A related arithmetic unit is used for the operation of the information acquired by the bionic detector array and the barrel detector. The bionic variable resolution detector array is adopted, and large visual field, high resolution imaging and fast imaging are realized at the same time.

The utility model relates to a forming method of continuous surface microstructure based on micro lens array; the technical proposal is that: the first step is to coat photoresist on a base surface; the second step is to arrange a photoresist plane and a mask pattern respectively on the image plane and object plane of the micro lens array; the third step is to arrange ground glass on the mask pattern and use scattered light produced by irradiating ground glass with the light source as exposure light source of the mask pattern; the fourth step is to reduce the projection lithography of the mask pattern and move the mask pattern or the substrate coated with photoresist or the micro lens array in process of exposure, so as to realize the continuous modulation of the surface light intensity of resists; the fifth step is to replace materials, adjust the relative position among the mask pattern, the micro lens array and the substrate coated with resists, and repeat the fourth step, so as to realize nesting lithography of different materials; the sixth step is to take out the substrate to be developed and obtain the required continuous surface microstructure. The utility model has the advantages of no need for large equipment to prepare lithography and mask, thus greatly reducing the complexity of the process.

The invention discloses a three-band integrated atmospheric aerosol particle scattering coefficient measuring instrument and a three-band integrated atmospheric aerosol particle scattering coefficient measuring method. The measuring instrument comprises an optical measurement chamber, a light-emitting-diode (LED)-based integrating sphere light source (7) is arranged at the top of the chamber, a plurality of diaphragms (19, 20, 21, 22, 23 and 24) are arranged in the chamber, and a reflector (9) is arranged at a non-detection end to prevent multiple times of scattered light from entering a detector (11); and a sample gas inlet port (17) and a gas outlet port (18) are formed in the chamber, and the sample gas is extracted through a sampling pump (13) and enters a scattering cavity (8) from the gas inlet port. When the integrating sphere light source (7) is lightened, the light emitted from the light source is irradiated on the sample gas, and the actual measured scattered light intensityis received through a single photon detector (11) and converted into the measured photon number; a frosted glass (28) with stable performance is used for generating scattered light to eliminate errors caused by light intensity fluctuation of a light source and magnification drift of a photoelectric multiplier tube; through the standard gas and the zero gas, the measured scattering coefficient is calibrated and the air Rayleigh scattering background is deducted; and the single photon detector converts the received scattered light signals into electrical signals, then the electrical signals areprocessed and controlled by a micro processing control circuit, the scattering coefficient is measured in real time, and the data are transmitted to a touch screen (16) and displayed. The measuring instrument has good instantaneity, high measurement precision and stable system, and is easy for maintenance.

The invention comprises a light source and an infrared reflector, a frosted glass, condenser A, a gluing prism, an attenuator group, a filter, condenser B, a star board and a collimator tube. For stabilizing the light source, the invention also comprises a light source brightness control circuit and a photoelectric diode located behind the condenser A and on the transmission optical path of the gluing prism.

Apparatus for simulating a solid fuel flame includes a frame within which is mounted a screen. An enclosure is mounted below the screen having a frosted glass refractor panel forming a top wall of the enclosure. A cylindrical container is rotatably mounted within the enclosure. A motor rotates the container on a support. The container is partially filled with a red or brown coloured liquid. Lamps or LED's within the enclosure are operable to shine light through the coloured liquid in the container and through the refractor panel onto the screen. Movement of the coloured liquid, which may be enhanced by internal projections in the container, causes flickering of the light projected onto the screen to give a flame effect simulating a solid fuel fire.

The invention discloses a Talbot effect-based aspheric surface detection system, which comprises a semiconductor laser, a micro objective, an autocollimator objective, a first reflector, a second reflector, an aspheric mirror to be detected, a dispersion prism, a first optical grating, a second optical grating, a frosted glass plate, a charge coupled device (CCD) camera, an image acquisition card and a computer. A light beam emitted from the semiconductor laser is collimated and expanded by the micro objective and the autocollimator objective, is incident into a certain sampling position of the aspheric mirror to be detected after being turned by the first reflector and the dispersion prism, and is incident into the first optical grating by the dispersion prism after being reflected by the second reflector to form a Talbot image at a Talbot distance thereof; simultaneously, the second optical grating is arranged at the position of the Talbot image, and the Talbot image of the first optical grating and the second optical grating form a Moire fringe; the CCD camera and the image acquisition card acquires the displacement of the Moire fringe; and the computer reconstructs an aspheric surface by wavefont fitting. The Talbot effect-based aspheric surface detection system has a simple structure, and can realize the high-accuracy detection of the aspheric mirrors with large apertures or relatively steeper surfaces.

A balance (1, 101) has a draft protection device (2) that encloses a weighing compartment surrounding the weighing pan (15). A rear wall (22, 122) delimiting the weighing compartment on one side is made of a material (26) that diffuses the transmitted ambient light. The translucent, light-diffusing material (26) is in particular a frosted glass.

A frosting liquid used in a production line of frosted glass includes following components, by weight, 5-10 parts of ammonium fluoride, 5-10 parts of inorganic acid, 5-10 parts of organic acid, 5-10 parts of inorganic salt, 3-5 parts of solid dispersed particles, 0.2-0.3 parts of a surfactant, 0.2-0.3 parts of a dispersing agent and 76.6-80 parts of water. The frosting liquid can enhance the strength of frosted glass and reduce fragment rate.

The invention relates to a device and a method for detecting roundness and straightness of cylindrical holes by coaxial light and belongs to the technical field of optical detection. The prior art is low in detection precision and narrow in detection range and possibly causes damage to the surface of a cylindrical hole being detected. The device is disposed between a detecting laser source and a camera. An iris diaphragm, a light barrier ring, a conical lens and a frosted glass imaging screen are axially arranged in sequence. The bottom of the conical lens faces to the light barrier ring and is provided with a central through hole. The method includes: the cylindrical hole to be detected is located between the conical lens and the frosted glass imaging screen and is axial with coaxial light; the distance of hollow beams from outer wall to inner wall is changed by regulating the iris diaphragm; the hollow beams emerging from a conical surface of the conical lens converge and reflect once at different sectional positions of the cylindrical hole being detected, and light ring images for each section are present on the frosted glass imaging screen successively; the images are acquired by the camera and processed by a computer, roundness of different sectional positions of the cylindrical hole to be detected is calculated first by the least square circle method, and straightness of the cylindrical hole is obtained then.

A device for measuring the refractive index of a flat plate type transparent medium comprises a cassette, a frosted glass screen, a thin frosted glass screen, a CCD (charge coupled device) camera, a precision translation stage and a platform lining plate. The platform lining plate is arranged in the cassette, a semiconductor laser device, the frosted glass screen, a converging lens and the precision translation stage are mounted on the platform lining plate, the thin frosted glass screen and the CCD camera are mounted on the precision translation stage and synchronously move along with the precision translation stage, the semiconductor laser device, the frosted glass screen, the converging lens, the thin frosted glass screen and the CCD camera are sequentially and coaxially arranged in the cassette, and a shading cover is arranged on the cassette. A method for measuring the refractive index of the flat plate type transparent medium by the aid of the device includes that the flat plate type medium to be measured is placed between the converging lens and the precision translation stage, the diameter of a circular light spot on the thin frosted glass screen can be changed before and after the medium to be tested is placed between the converging lens and the precision translation stage, the refractive index of the medium can be obtained on the basis of calibration if only the diameter of the light spot is known after the medium to be measured is placed between the converging lens and the precision translation stage, and corresponding images of the circular light spot are acquired and measured by the computer in real time via the CCD camera. The method is applicable to measuring refractive indexes of solid and liquid media, operation is simple and convenient, measured data are fewer, a measurement range is unlimited, and the method and the device can be used for monitoring the refractive indexes in real time.

The invention discloses a shaking discharge type frosted glass multi-stage smashing and recycling device. The shaking discharge type frosted glass multi-stage smashing and recycling device comprises abox body, a guide plate, a push rod and a sector gear, wherein the bottom of the box body is fixedly mounted on a base; two crushing rollers are symmetrically and rotatably mounted on the front and back sides of the upper part of the box body; two smashing rollers are further symmetrically and rotatably mounted in the position, below the crushing rollers, in the box body; the guide plate is rotatably mounted on the left lower side in the box body; the guide plate inclines to the right; and the other end of the guide plate is fixedly connected with the inner wall of the right side of the box body through an elastic connecting block. According to the shaking discharge type frosted glass multi-stage smashing and recycling device, the two crushing rollers with crushing teeth and the two smashing rollers with smashing teeth are arranged to perform multi-stage smashing on glass, the smashing effect is excellent, and production efficiency is improved; and discharge is achieved through the inclined plate, a wedge block is pushed through a rack which moves left and right, the guide plate continuously shakes, glass is prevented from splashing during direct discharge, and a discharge openingcan be prevented from being blocked.

The invention provides a laser cutting method and system for frosted glass. Transparent liquid is applied to the two sides of the frosted glass, then transparent glass is attached to the two sides ofthe frosted glass, to-be-processed glass is obtained, the to-be-processed glass is cut and lobed, and a finished product is obtained. The laser cutting method and system have the beneficial effects that according to the method, a layer of transparent liquid is applied to the upper and lower surfaces of the to-be-processed glass, then the two pieces of transparent glass are used for pressing, internal bubbles are removed, and therefore the frosted glass with poor translucency becomes transparent, and laser is very easy to penetrate; then the glass is cut by Bessel beams, holes having certain distances and having the diameter being about 2 microns are formed in the surface of the glass, and cracks are formed between the holes; and CO2 laser is injected to the cutting position through a scanning galvanometer to make the cracks between the holes be heated and cracked, and the needed product is finally obtained. The method can solve the problem that an existing laser cutting method has surface scattering and poor cutting quality; and meanwhile the high processing efficiency is achieved.

A plastic window assembly is adapted to be mounted in an opening defined by a structure. The plastic window assembly is oval-shaped with a decorative plastic window muntin. A plastic frame supports parallel window panes. The window muntin is disposed between the parallel window panes. Flat surfaces of the window muntin have a first edge and a second edge and include a ridge disposed along each of the edges. Marring of the window panes is prevented because the ridge provides for line contact between the window muntin and the window panes. The window muntin may also be integrally molded to a plastic pane disposed between the parallel panes of glass. The plastic pane includes a surface texture that simulates frosted glass. The plastic window assembly includes a plurality of liner panels that extend through the opening from an interior of the structure. The window assembly includes a flange having aperture throughwhich fasteners are inserted to secure the window assembly to the structure. An exterior trim ring attaches to the outside of the window assembly and over siding on the structure. An interior trim ring attaches to a flange in the liner panel to give a finished appearance. All exposed surfaces include a surface texture that simulates wood grain.

The invention relates to a beam transmission and conversion technology, and discloses a method for producing partially coherent Airy beams. The method comprises the following steps that: a laser device emits a fully coherent gauss beam, and a convex lens and a rotary frosted glass sheet regulate the coherence of the gauss beam to get a partially coherent gauss beam; and after being collimated by a second convex lens, the partially coherent gauss beam is subjected to beam intensity distribution shaping by a gauss amplitude filter, a spatial light modulator to which a phase information graph is loaded modulates the phase of the partially coherent gauss beam, and a first-stage diffracted beam is captured through a circular aperture diaphragm, thus obtaining the partially coherent Airy beam. The method produces the partially coherent Airy beam by directly using the gauss beam, and is scientific in principle and easy to realize; and the device for implementing the method is simple in structure, easy to regulate, excellent in stability and low in production cost. The beam provided by the method can be practically used in the fields of optical particle cleaning, biomedical therapy, particulate trapping, electron acceleration, and the like.

The invention discloses a device and a method for measuring the size and roundness of a tiny round hole at the same time. The device comprises a He-Ne laser device, a measured round hole, a clamp device, a frosted glass receiving screen with a mark, an information acquisition device and an information processing device. The measurement of the device is based on the laser Fraunhofer diffraction measurement principle, the frosted glass with a special mark is placed in a diffraction field as a diffraction pattern receiving screen, an area array CCD (charge coupled device) acquires the diffraction pattern containing the special mark on the receiving screen, and the specially-developed software on a computer finishes the calibration and the diffraction pattern information acquisition so as to automatically measure the size and roundness of the tiny round hole at the same time. The measurement range (the diameter of the tiny round hole) of the device is 0.005-0.5mm.

The invention provides a method for printing an anti-fake information pattern. The method includes the following steps that (1) the pattern is printed; (2) an information dielectric layer is printed on the printed pattern, and the drying degree of the information dielectric layer is 35%-40%; (3) laser anti-fake information is printed on the information dielectric layer in a pressed mode, and a laser anti-fake pattern is printed on the information dielectric layer in a pressed mode by means of a nickel plate at the temperature of 150-160 DEG C under the pressure of 4-50 KG. The manufacturing method of the nickel plate includes the steps that the pattern is carved on frosted glass, silver is sprayed after carving is finished, and then nickel is electroplated to form the nickel plate. The method has the advantages that the information dielectric layer is printed through a gravure plate or a resin plate, the laser anti-fake pattern is transferred in a pressing printing mode, and accordingly the laser anti-fake pattern can be directly printed on a part of a package box or the whole package box, efficiency is high, cost is low and precision is high.

The invention provides a measuring method for use in a high-temperature thermal buckling transient full-field deformation process of a porous sandwich panel. The method is characterized in that a non-contact optical measuring method 3D-DIC method is applied to thermal buckling experiments of sheet and sandwich panel structures, and full-field real-time measurement is performed on thermal buckling deformation. The method comprises the following steps: speckle making: spraying speckles on the surface of a sample board with high-temperature paint after sand blasting; inner and outer parameter calibration of a CCD (Charge Coupled Device) camera; image acquiring: placing a cold light source on a viewing window of a heating furnace, sticking a frosted glass plate to an optical fiber head, and controlling the heating rate to be lower than 10 DEG C / min; during acquisition, performing image acquisition by using a short-focus lens and an optical filter together; image geometric correction; three-dimensional shape reconstruction: performing calculation after geometric correction on the acquired image through the CCD camera so as to obtain a three-dimensional deformation field of the structure, and filtering the three-dimensional deformation field according to a Gaussian filter function.

The invention discloses a machining method for ground glass with a gradual changing effect. The face not needing dull polish of a glass substrate is subjected to film covering protection, then, the glass substrate with film covering protection is subjected to gradual changing sand blasting, finally, the glass substrate with sand blasting is subjected to washing, sand grains for sand blasting are used for striking the face needing dull polishing of the glass substrate so that pits with corresponding sizes can be reserved in the stroke corresponding face of the glass substrate, and due to the fact that sand blasting is gradual sand blasting, the ground glass with the gradual changing effect can be obtained. Due to the fact that surplus materials on the glass substrate are removed in a sand blasting manner, compared with a traditional heating mold pressing method, the effect on the intensity of the glass substrate is relatively low, and the yield is greatly increased.