1056 results about "Dual color" patented technology

An optical frequency comb calibration-based dual-color laser scanning absolute distance measuring device and a method are characterized in that the device comprises a laser light source system, a polarization-maintaining optical fiber system, a Michelson interference system and a laser frequency calibration system. The method comprises the steps of controlling two tunable lasers in the laser light source system to continuously simultaneously adjust the output light frequency without mode skips, wherein the laser frequency calibration system records the interference signal of the Michelson interference system and a beat frequency signal of the tunable lasers and the optical frequency comb; computing the scanning range of the lasers and the period integer and period decimal of the phase change of the interference signal in the scanning process according to the collected data; and finally computing to obtain the absolute distance of a to-be-measured light path refractive face. The optical frequency comb calibration-based dual-color laser scanning absolute distance measuring device and the method have the advantages of simple system structure, high measuring precision, compensating effect on air refractive index, and traceable measuring outcome, and are suitable for the measuring field of space absolute distance.

The invention discloses positioning and guiding system and method based on a ground road sign. The positioning and guiding system is characterized by comprising a visual system, the ground road sign, an AGV (automatic guided vehicle) body, and an embedded controller, wherein the visual system is used for obtaining a ground road signal feature image; the ground road sign is a characteristic band composed of black and white templates and is paved on the ground; the embedded controller utilizes a template matching method to compare and match the obtained ground road sign feature image with a characteristic band image in a memory vault, to obtain the position and the gesture of the AGV body according to the position of the feature road sign in the image and a geometrical relationship in a world coordinate system to achieve global positioning and guiding functions. The invention also provides a corresponding method. The black and white dual-color encoding characteristic band is adopted as the ground road sign, and the system also can realize the global positioning besides an automatic guiding function of an AGV. Thus, the foundation is provided for realizing multi-AGV collaborative transportation, assembly and the like, and the system has a good application prospect.

A product and process for producing heat-transfers having a contrasting-color 3D appearance comprising a printed layer of woven fabric substrate adhered to a colorfast textile substrate. The woven fabric substrate includes a top substrate printed with a design logo. The underlying substrate is a solid color. The design logo/is engraved away in patterned designs using a galvanometric laser to reveal the contrasting substrate in desired areas, giving a layered embroidery 3D visual effect. These heat activated appliqués of the present invention are particularly suitable for use in forming decorations for apparel, bags and home furnishings. Their soft tactile hand feel does not cause discomfort to the wearer. The resulting product has superior care and durability characteristics, is more wash fast and can be ironed, and has superior appearance characteristics to other types of heat transfer appliqués. The heat transfer capability of the appliqué allows for fast customization of finished garments.

A decorative lighting apparatus provides user-selectable color schemes corresponding to several holidays and other occasions and themes for year-round use. In one illustrative example, a decorative lighting apparatus includes a decorative light strand having a first wire with a first plurality of lamps coupled in series therealong, a second wire with a second plurality of lamps coupled in series therealong, a third wire with a third plurality of lamps coupled in series therealong, and a return wire coupled to ends of the first, the second, and the third wires. Each lamp of the first plurality has a first light-emitting diode (LED) device (e.g. red) which is coupled in parallel and in reverse orientation with a second LED device (e.g. orange/yellow), each lamp of the second plurality has a third LED device (e.g. blue) which is coupled in parallel and in reverse orientation with a fourth LED device (e.g. green), and each lamp of the third plurality has at least a fifth light-emitting diode (LED) device (e.g. white). Preferably, each lamp of the first and the second pluralities is a two-leaded bipolar, bicolor LED. The first, the second, and the third wires are positioned together such that each lamp of the first, the second, and the third pluralities are positioned adjacent to each other but sufficiently separated such that little or no color mixing occurs between the lamps. A controller includes a first output for controlling an illumination of a color in the first plurality of lamps, a second output for controlling an illumination of a color in the second plurality of lamps, and a third output for controlling an illumination of a color in the third plurality of lamps. The controller is adapted to control the first, the second, and the third outputs to provide a different color scheme in the first, the second, and the third pluralities of lamps for each user-selectable switch setting of a decorating selector, to provide various simultaneously-illuminated combinations of color.

The invention relates to a bi-color polar fleece which is formed by the means of one-time weaving by a double-face terry machine. One production method thereof is as follows: common polyester and modified cationic polyester are taken as raw materials, weaved into a double-face solid terry cloth; yarns of the terry at the right side and the terry at the wrong side of the cloth adopt different types of polyesters, then are dyed and produced into the bi-color polar fleece by post treatment. The second production method thereof is as follows: the material of common polyester yarns is dyed into two different colors; then the yarns of different colors are respectively adopted as the yarns of the terry at the right side and the terry at the wrong side, weaved into a double-face terry cloth with different colors at the two sides and produced into the bi-color polar fleece by post treatment. The bi-color polar fleece of the invention completely overcomes a plurality of defects of the bi-color polar fleece produced by adopting a compound way. The bi-color polar fleece of the invention not only has good heat insulation performance, but also is washable and has light weight and good ventilating performance, therefore, people feel relaxed and comfortable when wearing the bi-color polar fleece.

The invention provides a continuous pad dyeing method of polyamide fibers and blended fabrics thereof, and the method comprises: the polyamide fibers or the blended fabrics thereof are dyed after pre-treatment, and the dyeing is the single pad dyeing of acid dyes or the sequential pad dyeing of the acid dyes and active dyes. The pad dyeing of the acid dyes has steps as follows: the polyamide fibers or the blended fabrics thereof after treatment are immersed in dyeing liquid, the acid dyes are hot rolled at 60-85 DEG C, color fixing liquid is padded after drying, the color fixing liquid is further padded after steaming and washing, and then washing and drying are carried out. The continuous pad dyeing method has the beneficial effects that the continuous pad dyeing method selects the hot rolling to lead the color yield of the polyamide fibers to be deeper and combines the dual-color-fixing process to ensure the color yield and the color fastness of the fabrics, thereby leading the fabrics to have good using value and meeting the needs of medium and high-grade fabrics.

The invention discloses a visual online image ferrography imaging system, which comprises an image acquisition device, a lens base, a focusing mechanism, an LED (Light Emitting Diode) annular reflection light source and a bicolourable ultra-thin LED backlight source; the image acquisition device is sleeved and fixed at the upper part of the focusing mechanism through the lens base; the bottom of the focusing mechanism is connected with an oil flow channel in ferrography through a thread; the LED annular reflection light source is fixedly connected with a threaded lens cone in the focusing mechanism; the bicolourable ultra-thin LED backlight source is adhered to a sedimentary slide in the oil flow channel in the ferrography. According to the invention, the object distance and the image distance are respectively adjusted through the focusing mechanism; the focal distance error of the lens is corrected; ferrography imaging with the fixed rate of 1.8 times can be realized; simultaneously, high-brightness and uniform illumination can be provided by adopting the LED annular reflection light source; the bicolourable ultra-thin LED backlight source as the transmission light source is wide in illumination range; the full-field ferrography imaging can be realized; the visual online image ferrography imaging system disclosed by the invention has the characteristics of being small in volume, high in imaging quality and easy for extracting visual abrasive particle characteristic information.

A light string, comprising a first illumination device configured to emit a first color light; a second illumination device adjacent the first illumination device, and configured to emit a second color light, the second color being different from the first; a first wire including a first conductor and a first insulating layer, the first conductor partially exposed to form a first conductor soldering section; and a second wire, including a second conductor and a second insulating layer, the second conductor partially exposed to form a second conductor soldering section. The first conductor soldering section and the second conductor soldering section are attached to a pair of electrical contacts on each of the first and second illumination devices, and the first and second illumination devices are electrically biased such that either the first illumination device emits light or the second illumination device emits light, but not both at the same time.

The invention discloses a laser dissipation spot path, which is used for receiving a laser emergent light, and comprises a beam shrinking lens group arranged on the laser emergent light path and a diffusion sheet, wherein the beam shrinking lens group comprises a first beam shrinking lens and a second beam shrinking lens, and the diffusion sheet is located between the first beam shrinking lens and the second beam shrinking lens. Through arranging the diffusion sheet between the first beam shrinking lens and the second beam shrinking lens, the area of a laser spot received on the diffusion sheet can be increased, the received laser energy density is reduced, a dust or particle accumulation phenomenon on the diffusion sheet is lessened, a decay phenomenon is lessened, and the laser source service life can be prolonged. The invention also discloses a two-color laser source and a three-color laser source by using the above laser dissipation spot path.

The invention discloses a warp knitting machine for producing single layer structure three-dimensional jacquard weave vamp, and a production method thereof. The production method includes: designing a vamp sample according the design demands of all the parameters; performing designing through CAD software, converting the design data into a machine file which can be read by the warp knitting machine, and inputting the machine file into the warp knitting machine; arranging jacquard combs in the center of the machine, and arranging ground combs at two sides of the jacquard combs; allowing guide bars to knit after threading, wherein each jacquard combs knit three stitches to form a loop stitch, the ground combs knit one stitch to form a weft-insertion or a warp chain stitch; allowing the jacquard combs to perform co-directional or reverse yarn laying, and correspondingly allowing the ground combs to take part in knitting; performing finishing to obtain single layer structure three-dimensional jacquard weave vamps. The obtained single layer structure three-dimensional jacquard weave vamps are clear in l jacquard weave effect, and is high in stereoscopic impression of patterns; the single layer jacquard weave vamps adopt polyamide polyester as a raw material to achieve a dual-color effect, and can be composited with three-layer structure or single-layer structure plain net fabric to achieve a richer color effect in later; and the single layer structure three-dimensional jacquard weave vamps are excellent in stiffness and wear-resisting property, can achieve a good reliability after composited with the other fabrics.

The invention relates to a device for performing synchronous nondestructive detection on intercellular and extracellular matrix components, which is characterized in that light emitted by a laser is incident onto a scanning mirror group of a scanner through a dichroic beam splitter, and light beams which pass through the scanning mirror group are focused on a detected sample by an objective lens; two-photon excited fluorescence and a secondary harmonic signal produced by the laser and the detected sample reversely passes through the same objective lens to be collected, then are incident onto a half transparent and half reflecting mirror by the scanning mirror group and the dichroic beam splitter; and emission signal light consisting of the two-photon excited fluorescence and the secondary harmonic signal is divided into two paths, the two paths are converted into electric signals through a filter plate and a photomuitplier and are connected to an input end of a computer, and finally the computer synchronously displays micro-structures of cells, elastic fibers and collagenous fibers. The device can perform high-resolution, high-contrast, nondestructive, quick and real-time detection on the microstructures of the cells, the elastic fibers and the collagenous fibers at molecular level.

A method for manufacturing two-color components, for shoes in general, comprising the steps of positioning a sheet element, made of rubber, in a mold that forms a plurality of cavities delimited by edges the free end whereof lies on the parting plane of the mold. A sheet of plastic material which has a release function is then superimposed on the sheet element, and a layer is positioned on the sheet in order to give mechanical strength thereto. The mold is then closed with a cover, applying pressure together with heating in order to fill the cavities with the rubber and simultaneously move the rubber away from the edges. After removing the layer and the sheet together with any flash of rubber present on the edges, a second sheet element is superimposed, and pressure and heating are applied in order to produce bonding with the perforated sheet element; after this, the resulting article, which has a two-color appearance, is subjected to vulcanization.

In a first exemplary embodiment of the present invention, an automated, computerized method for manipulating an image comprises the steps of manipulating the image to provide an intensity adjusted image, deriving a bi-illuminant dichromatic reflection model representation of the image and utilizing the bi-illuminant dichromatic reflection model representation to manipulate the intensity adjusted image to generate a color correct intensity adjusted image. In a preferred embodiment of the present invention, the step of manipulating the image to provide an intensity adjusted image is carried out by executing a gamma correction method.

A multiple color multi-function light bar for a law enforcement vehicle, emergency vehicle, tow truck or the like. The light bar includes a plurality of light emitting diodes aligned in a single row. Each of the plurality of light emitting diodes are configured to emit two different colors of light through a single optical lens. Advantageously, the light bar is capable of producing a single color light pattern and a dual color light pattern based upon the particular emergency or traffic control situation encountered by an operator of the vehicle.

The invention discloses a crossed combinational dual-period grating for quantum well infrared detector. By arranging two sizes of gates across, the invention responses to two wave bands and acquires the information of the two wave bands. The cross array makes a very good response uniformity of the new-type gates on the whole surface, and the two types of gates are distributed as the Chinese character 'pin', which makes the photolithography linewidth up to the maximum and thereby enhances the precision of photolithography patterns. The square gate hole is used to prevent astigmatism; the optimized parameter design enhances the coupling efficiency of the gates. The invention is applied to dual-color quantum well infrared detectors, is able to acquire the objective information more accurately in two wave bands simultaneously, more effectively inhibits the complicate background, and then enhances the detecting effect of objectives. The invention has the advantages of simple fabrication, low cost, and easy realization of mass and serial production.

The system uses a color camera and an optical system to map two colors emitted from an object such as a furnace, boiler combustion zone, or burner flame into a temperature image. The color camera utilizes a color video chip with interspersed pixels for each color to reduce alignment issues and utilize the same optical path. In addition, the optical system utilizes a dual band pass optical filter thereby eliminating the number of optical elements and minimizing radiation loss through the optical system thereby improving the dynamic range of the system.

An exit sign comprising a housing and a plurality of LEDs that activates to produce yellow color light. The plurality of LEDs are mounted in the housing. Means for passing light from the plurality of LEDs in the form of indicia symbolizing an exit enables viewing by an observer, such means includes a stencil having four independent letters forming the word EXIT. DC circuitry is in operative electrical connection with the plurality of LEDs. A source of AC electrical power activates the DC circuitry. The plurality of LEDs can be both red color output LEDs and green color output LEDs, or the plurality of LEDs can be bicolor red and green LEDs having the capability of producing both red light and green light. The red light and green light are additively mixed to produce yellow light. In the alternative, the plurality of LEDs can be yellow color output LEDs or the plurality of LEDs can be white color output LEDs. The color light from the plurality of LEDs pass through either a red color diffusion filter to produce red light indicia, or a green color diffusion filter to produce green light indicia. An emergency power backup battery is connected to the plurality of LEDs. Means for producing emergency light is optional.

A method and apparatus for rendering an image signal by adding another one color different from an inputted color, to an image signal composed of a predetermined number (for example, RGB) of components, is provided. The method for rendering image signals which represent a predetermined number of colors in an apparatus for rendering an image signal of which pixels have three sub-pixels, comprises (a) receiving a predetermined number of color signals and converting the predetermined number of color signals into four-color signals to be represented in the sub-pixels, (b) selecting two-color signals to be outputted alternatively in every other pixels out of the four-color signals and selecting only one-color signal for each position of a pixel area from the two-color signal, (c) recalculating a level value of the selected one-color signal to be represented in the sub-pixels, and (d) controlling image signals to be represented in the sub-pixels according to the level value of the one-color signal calculated in (c).

What is disclosed is a novel system and method for color trapping on halftoned bi-level bitmaps. Color edges are detected and edge pixels that need to be trapped are identified. The number of pixels qualified as edge pixels eligible for color trapping can be up to a pre-determined number of pixels away from the color edge. Estimates for the continuous-tone values are obtained for the dominant colors on each side of the two-color edge. The contone value of the dominant color on the opposing side of the two-color edge is assigned to the qualified edge pixels. Qualified edge pixels are re-halftoned using their assigned contone value so that halftones for one color are extended beyond the edge into the other color. The re-halftoned edge pixels are combined with the original bitmap to produce a new bitmap for the image. The new bitmap is then provided to an image output device.

The invention relates to a reversible solid photochromic fluorescence ink material and application thereof, belonging to the technical field of photochromic materials. The particular molecular structure uses aromatic ring or fragrant heterocyclic ring substituent group and spiropyrane as basic structural units, the structural formula is disclosed in the specification, and the material is novel fluorescent dyes synthesized by esterification reaction. The research detects that the dyes have different spectral absorption and (or) fluorescence dual color variations before and after the ultraviolet irradiation; the absorption and fluorescence color variations caused by the ultraviolet light can reversibly recover under certain temperature heating conditions to the absorption and fluorescence color before the ultraviolet irradiation; and thus, the material has excellent stability, reversibility and fatigue resistance. The ink material can be used independently, or compounded with a polymer, ink or the like to be used as a photochromic material. The ink material is applicable to the fields of safety forgery prevention, safety inks, display devices, fluorescent transduction, information storage and the like.

The invention relates to the technical field of image pickup and discloses a mobile terminal and a dual color temperature compensation method. The mobile terminal comprises a processor, an RGB sensor, a dual color temperature flash lamp, a two-channel driver chip and a camera; the RGB sensor and the camera are connected to the processor, respectively; the two-channel driver chip is connected between the processor and the dual color temperature flash lamp; wherein the processor outputs a two-channel current parameter to the two-channel driver chip according to the environmental color temperature acquired by the RGB sensor; when a shooting command is received by the processor, the processor enables the two-channel driver chip and controls the camera to pick up an image. The mobile terminal is enabled to obtain relatively accurate environmental color temperature, and therefore, during shooting in dark light, the dual color temperature flash lamp is capable of outputting light mote adaptive to the environmental light and the supplementary lighting effect of the dual color temperature flash lamp is enhanced; as a result, the mobile terminal has good color rendition in shooting and then the shooting experience of a user can be enhanced.

The invention relates to a DTY two-color polyester filament used on the meridian of the denim, which is prepared by the following procedures: (1) color master batch is tested by the computer to be matched color, and then dried, and compound color matched master batch is obtained; (2) a tackifier is added into polyester chips, then the polyester chips are pre-crystallized and dried, then the polyester chips and the compound color matched master batch are both added into a screw extruder to be spun and winded, and a dyed yarn POY or MOY is obtained; (3) the polyester chips are pre- crystallized and dried, then are added into the screw extruder to be spun and winded, and a white yarn POY or MOY is obtained; (4) the dyed yarn POY or MOY and the white yarn POY or MOY are overfeeding textured in variable frequency through slight tension control and networked two-color compound processed, and the DTY two-color polyester filament used on the meridian of the denim is prepared. The DTY two-color polyester filament realizes color matching effect of multicolor and compound color, keeps production processes of colored polyester filament material clean and environmental protective, and realizes the two-color effect of the spun polyester filament and the <color stripping> appearance styles of stone mills and water washing, etc. peculiar to the meridian of the denim.

The invention relates to a medium infrared parameter converter belonging to the technical field of laser and suitable for electro-optical countermeasures, chemical and biological threats detection, imaging laser radar, trace gas detection and the like. A main optical path of the medium infrared parameter converter is sequentially provided with a laser, a light splitting device, a medium infrared parameter oscillator, a two-color coupling mirror and a medium infrared parameter amplifier, wherein the light splitting device comprises a wave plate, a polarization element and a light splitting reflector; the laser is a pump laser, the light splitting device divides pump light into two paths, one path is pumped into the medium infrared parameter oscillator to generate medium infrared parameter seed light and the other path is pumped to a human eye safe light parameter converter to generate a human eye safe laser; and after subjected to time synchronization, the medium infrared seed light and the human eye safe laser enter the medium infrared parameter amplifier through the two-color coupling mirror. The invention has the advantage of providing the medium infrared parameter converter of high light beam quality and high-energy medium infrared laser output.