176 results about "Color wheel" patented technology

Embodiments of the present application relate to the technical field of image recognition, and disclose a color band resistor color extraction method and apparatus, a device, and a medium, which solve the technical problem in the prior art of poor precision of color band resistor color detection. The color band resistor color extraction method comprises: acquiring an RGB color image of a target color band resistor; acquiring an LAB color image on the basis of the RGB color image; performing transformation processing on an LAB value corresponding to each color type of the color band resistor to acquire a color extraction threshold; and performing color extraction processing on the LAB color image on the basis of the color extraction threshold. The method of the present application effectively improves the precision of color band resistor color detection.

The invention discloses a gait analysis method, system and equipment. The method comprises the following steps: acquiring a pressure value of each measuring point in a sole area in real time when a tested person stands or walks; generating a pressure distribution map and a change curve map based on the acquired pressure values; gait-related parameters are calculated and an electronic report is generated. In order to improve image visibility and analysis precision, a perceptual disturbance guided multi-scale color coding mechanism is adopted, and a high-resolution and vision enhanced pressure distribution diagram is generated through the steps of interpolation expansion, normalization, disturbance enhancement, HSV color wheel mapping and the like. The system also supports two analysis modes of balanced standing and dynamic walking, can output multi-dimensional gait indexes including pressure parameters, gait cycle parameters, pressure center tracks and the like, is matched with a built-in high-density sensor array and a man-machine interaction module of the system, is widely suitable for scenes of rehabilitation medical treatment, sports science, old-age health management and the like, and has wide application prospects. The method has the advantages of high detection precision, visual result, comprehensive analysis and the like.

The utility model provides a color wheel heat dissipation device and a projection light source, a color wheel is provided with a peripheral surface and a light inlet surface and a light outlet surface which are oppositely arranged, the peripheral surface is connected with the light inlet surface and the light outlet surface to jointly define the color wheel, and the color wheel heat dissipation device comprises a light machine shell, a shell extension boss, a heat conduction metal ring and an annular cooler; the color wheel is rotationally connected with the light machine shell and is positioned in the heat-conducting metal ring; the shell extension boss is arranged on the inner wall of the ray machine shell; the heat-conducting metal ring and the annular cooler surround the peripheral surface; the annular cooler is located between the heat conduction metal ring and the shell extending boss. The projection light source comprises a color wheel and a color wheel heat dissipation device arranged around the color wheel. According to the color wheel, the heat conduction metal ring is located between the annular cooler and the color wheel, the heat conduction metal ring is in a relatively low-temperature state, high-temperature turbulent flow formed by rotation of the color wheel can still have the large flow speed near the heat conduction metal ring, distribution is uniform, the turbulent flow can fully exchange heat with the heat conduction metal ring, and the heat dissipation effect of the color wheel is improved.

This invention relates to a vision simulation method, system and device based on flight conditions, which provides a more natural and continuous vision switching effect and enhances the realism of the simulated flight. [Solution] The method includes obtaining simulation parameters for the current simulated flight, including flight time, visibility parameters in the simulated environment, and the attenuation rate of the projector; dividing the flight time into multiple sections, and calculating and obtaining the brightness percentage to be projected by the projector in different sections based on the different sections in combination with the visibility parameters and the attenuation rate; controlling the brightness percentage of the projected vision of the projector and tuning the color configuration parameters of the color wheel based on the flight state, thereby realizing the simulation of the flight state and vision.

The utility model discloses a device for brushing a color ring on a round steel pipe, which relates to the technical field of round steel pipe packaging, and comprises a rack, a paint box and a magnetic soft brushing plate, the rack is arranged below a transition rack of a round steel pipe production line, and the round steel pipe rolling into the rack from the lower part of the transition rack continuously rolls forwards on the rack; the paint box is used for containing paint; the first end of the magnetic soft brush plate is connected with the paint box, when the round steel pipe passes through the upper portion of the paint box, the magnetic soft brush plate can be lifted under the action of magnetic attraction force and makes contact with the round steel pipe so as to brush the rolling round steel pipe with a color ring, after the round steel pipe is separated from the upper portion of the paint box, the magnetic soft brush plate falls back into paint in the paint box, the structure is simple, and practicability is high. The device is convenient to use and can be used for painting color rings on circular steel pipes.

The invention relates to the field of color ring element detection, in particular to a color ring element appearance detection device and system based on machine vision. The color ring element appearance detection device based on machine vision comprises a wavelength range adjustment module, a significant score calculation module, a detection wavelength selection module and an appearance detection module. According to the invention, the dynamic optimization of the wavelength of the detection light source is realized by fusing the calculation of the main color wavelength of the color ring element and the modeling of the surface roughness; meanwhile, a surface roughness evaluation factor is introduced, and the minimum allowable detection wavelength is corrected to avoid high-reflection interference; the mechanism can dynamically adapt to batch differences, improve the contrast ratio of defects and backgrounds, and significantly reduce the omission ratio; on the basis, the system calculates a risk index, and preferentially selects the wavelength with the highest sensitivity to the high-risk defect; on the premise that the cost of the light source is controllable, the multi-dimensional self-adaptive matching of the detection wavelength, the element characteristics and the defect risk is realized.

This image is a selection image for print settings (color settings) related to the colors that will be printed on the printer. Each hue wheel displayed in the image corresponds to an ICC profile, and the user selects the desired hue wheel to create print data. Reference Image 1 shows the image in color. As shown in Reference Image 2, when the user selects the desired hue wheel, the color of the outer frame surrounding the selected hue wheel changes.

In an example, a system includes a light splitter configured to reflect first light having a first wavelength and a first polarization, to transmit light having the first wavelength and a second polarization, to transmit light having a second wavelength, and to transmit light having a third wavelength. The system also includes a quarter wave plate optically coupled to the light splitter. The system includes a color wheel optically coupled to the quarter wave plate, the color wheel having a first filter segment, a second filter segment, and a third filter segment. The system also includes a phosphor optically coupled to the color wheel, the phosphor configured to produce second light responsive to receiving the first light, and the color wheel configured to receive the second light and produce light having the second wavelength or the third wavelength.

The embodiment of the invention belongs to the technical field of display, and provides laser projection equipment and a control method, a first sensor in the laser projection equipment detects the rotating speed of a fluorescent wheel, and transmits a first rotating speed signal to a display control unit through a first transmission line; the second sensor detects the rotating speed of the color filter wheel and transmits a second rotating speed signal to the display control unit through the second transmission line; the first transmission line and the second transmission line are wrapped with metal conductors, and the metal conductors form a shielding layer for shielding electromagnetic interference. The display control unit controls the fluorescent wheel to rotate at a first rotating speed and the color filter wheel to rotate at a second rotating speed according to a to-be-displayed image signal, the first rotating speed signal and the second rotating speed signal, and sends a first driving signal to the laser light source; the laser light source emits a light beam to the color wheel system according to the first driving signal. Therefore, the occurrence of projection display abnormity can be reduced, and the user experience is improved.

The present application relates to a light source device and a projection display device. In a light source device in which fluorescent light and a part of blue light emitted from a semiconductor laser are output, a light source device in which the device does not excessively increase in size is sought. The light source device includes: a laser light source that outputs light in a predetermined wavelength region; a first dichroic mirror and a second dichroic mirror that have a characteristic of transmitting fluorescent light while reflecting light in the predetermined wavelength region, and are disposed on an optical axis of the laser light source; a first condensing optical system; a fluorescent color wheel that has a fluorescent light region that emits fluorescent light and a reflection region; a fourth dichroic mirror that has a characteristic of reflecting fluorescent light; a third dichroic mirror that has a characteristic of transmitting fluorescent light while reflecting light in the predetermined wavelength region, and is disposed so that an optical axis of the reflected light in the predetermined wavelength region coincides with an optical axis of the fluorescent light reflected by the fourth dichroic mirror; a second condensing optical system; and a light color selection color wheel that has a color filter and a diffusion portion.

The invention provides a space target detection imaging device under a complex starry sky background, which includes a signal transmitter and a received signal decoupling component. It is characterized in that the signal transmitter is a laser light source, an achromatic wave plate, and a linear polarizer arranged coaxially in sequence. The received signal decoupling component includes a signal receiving control box and a computer. A reflector is arranged inside the signal receiving control box. A first beam splitter, a collimating lens group, and a second beam splitter are arranged coaxially in sequence on the right side of the reflector. A first CMOS camera is arranged at a position corresponding to the first beam splitter. A third beam splitter is arranged at a position parallel to the second beam splitter. A color wheel mechanism is arranged at a corresponding position on the right side of the second beam splitter and the third beam splitter. A second CMOS camera and a third CMOS camera are respectively arranged at corresponding positions on the right side of the color wheel mechanism and the second beam splitter and the third beam splitter. The second CMOS camera and the third CMOS camera are controlled by a CMOS driving circuit, and the CMOS driving circuit is connected to the computer. By organically combining the brightness information, spectral information, polarization information, and orbital information of light, the target recognition detection probability, success rate, and accuracy are effectively improved.

The utility model relates to the medical clinical field, and discloses a patient clinical excrement color comparison device which comprises a shell, the inner wall of the top end of the shell is in threaded connection with a cover body, transparent glass is arranged on the top side of the cover body, the bottom side of the shell is rotationally connected with a rotating shaft, and the rotating shaft is connected with a colored disc through a fixing assembly. A stirring assembly is arranged on the bottom side of the rotating shaft, a first frame body is fixedly connected to the inner periphery of the cover body, a first convex lens is fixedly connected to the inner wall of the first frame body, and the first frame body is black. The device is small in size, convenient to store and store, simple in structure, light in weight, more labor-saving when lifted and used, low in use difficulty and convenient to use, meanwhile, the first black frame body fixed with the first convex lens used for observing the color wheel is utilized, the contrast ratio of colors in eyes of a user can be improved when the color of the bottom side of the first convex lens is observed, and the user experience is improved. Therefore, the speed of identifying the contrast color is improved, and the eye fatigue of the user can be reduced.

The utility model discloses a household appliance door light interaction device, which includes an inner shell, a lamp board and a spacer sleeve, the inner shell is provided with an opening, the lamp board is provided with a lamp bead assembly and a digital display assembly distributed in a ring shape, the lamp board is attached to the back side of the inner shell, and the lamp bead assembly and the digital display assembly are both arranged in the opening, the lamp bead assembly extends in sequence along the edge of the opening, the digital display assembly is located in the middle of the opening, the spacer sleeve is arranged on the lamp board, and the digital display assembly and the lamp bead assembly are arranged on the inner and outer sides of the spacer sleeve. Among them, because the lamp bead assembly is distributed in a ring shape, by controlling the lamp bead assembly to emit different colors, the corresponding color rings can be displayed respectively, and at the same time, the digital display assembly and the lamp bead assembly are separated by the spacer sleeve, so that the light signals between the two do not interfere with each other, so that the light signal can be clearly identified, and the signal display clarity is effectively improved.

The utility model discloses a wavelength conversion wheel, comprising a substrate, which comprises a first surface and a second surface arranged opposite to the first surface; the wavelength conversion area is located on the first surface of the substrate, and the wavelength conversion area comprises a wavelength conversion layer; the metal heat dissipation layer is at least arranged on one surface of the substrate, a plurality of heat dissipation holes are randomly formed in the metal heat dissipation layer, and at least the plurality of heat dissipation holes exchange heat with the outside. According to the wavelength conversion wheel, the metal with the heat dissipation holes is adopted as the metal in the metal heat dissipation layer, compared with a traditional metal heat dissipation fin, the metal heat dissipation layer with the heat dissipation holes is lighter in mass, the load of the wavelength conversion wheel can be effectively reduced, the stability of the wavelength conversion wheel is improved, and the service life of the wavelength conversion wheel is prolonged. Meanwhile, the heat dissipation effect of the metal heat dissipation layer with the heat dissipation holes is better than that of a traditional metal heat dissipation sheet, the temperature of the fluorescent color wheel can be effectively reduced, and the wavelength conversion efficiency of the fluorescent color wheel is improved.

A projection device includes a plurality of solid-state lighting sources driven by a DC drive power to sequentially provide a first light generated by a first number of light sources, a second light generated by a second number of light sources and a third light generated by a third number of light sources within a response cycle; and a color wheel having a first block, a second block and a third block, respectively corresponding to the first to third lights, so that the projection device sequentially outputs a first color light with a first brightness, a second color light with a second brightness and a third color light with a third brightness. The brightness of the first to third lights is controlled by number of light sources to be turn on.

The invention discloses a non-contact iron object positioning detection and marking system, which is particularly suitable for a building template embedded nut positioning scene. The system transmits an alternating magnetic field through the electromagnetic induction module to penetrate through a non-metal obstacle (such as a wood board), detects an eddy current effect generated by an iron object (such as a pre-embedded nut) and outputs a 0-10V voltage signal; the central processing unit locks the geometric center position of the object according to the minimum voltage value, and realizes multi-mode feedback through visual color circle zooming, buzzing frequency change and threshold alarm; and after the user triggers the marking key, the execution module automatically performs annular mark marking at the position of the central point. According to the scheme, the problems of penetrability accurate positioning and automatic marking of hidden iron objects are solved, and the construction efficiency and safety are remarkably improved.

The invention discloses an ophthalmology department preoperative auxiliary examination device which comprises a control table and a slit lamp, a bearing mechanism is connected to the control table, a protection mechanism comprises a mounting strip and a rotating assembly, a winding roller and a non-woven fabric roll are mounted on the mounting strip through the rotating assembly, a guide mechanism is connected to a bearing frame, and the guide mechanism is connected to a guide rod. The guide block is connected with a guide assembly used for assisting the color disc. According to the ophthalmology preoperative auxiliary examination device, the bearing frame is pulled downwards, the ophthalmology preoperative auxiliary examination device is suitable for different crowds, the bearing frame is held by a hand, the input feeling of a patient can be improved, the detection effect is guaranteed, the forehead and the jaw are attached to a non-woven fabric roll on a rubber roller for detection, after detection is completed, used non-woven fabric is automatically rolled, and the detection efficiency is improved. When the non-woven fabric section is used by the next person, the non-woven fabric section is not used, so that disease infection is avoided, the patient can see the through groove and the correction sight of the color disc, the distinguishing blocks in different color areas are different, and the concentration degree can be trained.

The application provides a light source structure, which comprises a laser light source, a color wheel, a first guide component and a second guide component, and the laser light source is used for emitting excitation light. The color wheel comprises an inner ring and an outer ring which are concentrically arranged, the inner ring comprises a light conversion area which generates stimulated light under the excitation of the excitation light, and the outer ring comprises a first guide area and a second guide area, and the first guide area and the second guide area are both used for guiding the excitation light emitted by the laser light source. The first guide component is used for guiding the excitation light emitted from the first guide area to exit along an exit light path. The second guide component is used for guiding the excitation light emitted from the second guide area to the light conversion area, and is also used for guiding the stimulated light emitted from the light conversion area to the exit light path. The light source structure provided by the application has less optical elements through which the excitation light passes, reduces energy loss, and improves the optical utilization rate of the light source structure. The application further provides a color wheel and a projection device.

The invention provides an imaging module with a color wheel. The imaging module comprises an image sensor, a lens group, the color wheel, an anti-dazzling screen and a driving element. The lens group is arranged above the image sensor, and the color wheel is arranged above the lens group and comprises a plurality of optical filters with different filtering wave bands. The anti-dazzling screen is arranged above the color wheel and provided with a notch, and part of the optical filters are exposed out of the notch. The driving element is used for driving at least one of the color wheel and the anti-dazzling screen to rotate.

The present invention provides an assembled wavelength conversion device, which includes a refrigeration box, a fan, a cylinder body, a first end cover and a transparent second end cover. A closed space is formed among the first end cover, the second end cover and the cylinder body. A clamping cavity is arranged inside the cylinder wall of the cylinder body, and a plurality of air outlet holes communicated with the clamping cavity are arranged on the inner side wall of the cylinder body; A ring body is arranged inside the first end cover, and an annular channel is formed between the ring body and the inner side wall of the first end cover, and the annular channel is communicated with the clamping cavity; A exhaust pipe is communicated in the middle of the end face of the first end cover, and the exhaust pipe is communicated with an extraction pipe through a rotary joint. The other end of the extraction pipe is connected with a fluorescent color wheel, and the fluorescent color wheel is driven by a motor. Suction holes are arranged on the side wall of the extraction pipe; An air inlet pipe communicated with the annular channel is arranged on the outer end face of the first end cover; The fan, the refrigeration box, the clamping cavity and the closed space form a circulating air duct; It has an assembled structure, which is convenient for disassembly and assembly, convenient for the maintenance or replacement of internal parts, and can dissipate heat from internal components, prolonging the service life of the equipment.

The utility model relates to a point light source system. The point light source system comprises a U-shaped bottom plate, a point light source unit, a main control unit and a power supply unit, wherein the point light source unit, the main control unit and the power supply unit are fixed on the U-shaped bottom plate and are connected with one another; by adopting the LED lamp bead plate, the light supplementing requirement of the CCD sensor is met, the service life can be effectively prolonged, and the energy consumption is reduced. By means of the color wheel device, the lens can emit light sources of various colors, and different light source color requirements of the liquid crystal panel production technology are met. Meanwhile, communication between the point light source machine and an upper computer is achieved through the main control board and the communication board, and automatic operation of the color wheel device is supported; the key group and the display screen are convenient for working personnel to select a working mode and observe a running state; and the position sensor can automatically correct the position of the color wheel disc to ensure that the filter is accurately positioned, and the practicability is good.

The embodiment of the present application discloses a light source and a projection device, the light source comprising: a laser light source; a color wheel, the color wheel comprising at least two partitions, different partitions generate different primary color lights after being irradiated by the laser light source or different partitions are used to change the light path direction of the laser light source, the partition proportions are relatively balanced, and are set to a preset proportion, for improving the display frame rate. The light source provided in this embodiment sets the partition proportions of the color wheel to a relatively balanced preset proportion, so that the primary color lights corresponding to different partitions can meet the preset color balance standard after being synthesized, so that the time duty ratio of each primary color light can be more balanced when displaying the white field, thereby achieving the improvement of the display frame rate while maintaining the display effect.

1. Name of the product in this design: Bag Wheels (Tricolor Wheels). 2. Purpose of this design: To serve as wheels to support the sliding of bags and luggage. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: 3D rendering 2.

The utility model discloses a color wheel adjusting assembly and lighting equipment, the color wheel adjusting assembly comprises a color wheel, a driving assembly and a position detection assembly, the driving assembly comprises a motor, a first transmission part and a second transmission part, the second transmission part is in transmission connection with the first transmission part, and the color wheel is connected to the second transmission part; the motor is used for driving the first transmission part to rotate, and the second transmission part is used for transmitting when the first transmission part rotates and guiding the color wheel to do linear motion; the position detection assembly comprises a detection piece and an inductor, the detection piece is connected with the color wheel or the second transmission piece and used for detecting the position of the color wheel, and the inductor is connected with the detection piece through an electric signal. The color wheel adjusting assembly can automatically adjust the position of the color wheel on the plane perpendicular to the optical axis of the laser light source, so that the optical axis passes through the corresponding color temperature compensation area on the color wheel, and corresponding color temperature compensation is automatically carried out on the laser light source under the condition of different powers.

The present application relates to the field of microscope optical detection and intelligent identification technology, and particularly relates to a microscope objective automatic identification system and method, the system comprising: a microscope objective, a color ring encoding disc is arranged on the back end surface of the microscope objective; a coaxial optical fiber, one end of the coaxial optical fiber is directed to the color ring encoding disc, and the other end of the coaxial optical fiber is connected to a color identification sensor, the coaxial optical fiber is used for transmitting illumination light to the color ring encoding disc of the microscope objective, and acquiring a reflected light signal carrying color information; the color identification sensor is used for acquiring the reflected light signal and converting the reflected light signal into RGB color data; a master control unit is used for receiving the RGB color data, and decoding and identifying parameter information of the microscope objective according to a pre-stored color ring encoding and objective parameter mapping table. The present application solves the problems of high cost, single identification dimension, poor generalization of modification and short service life of the identification mode of the microscope objective in the prior art.

The invention provides an intelligent DLP seamless large-screen dynamic adaptive adjustment system, and relates to the technical field of DLP large-screen dynamic adaptive adjustment, and the system comprises a precision sensing unit, a heterogeneous calculation module, a dynamic compensation execution mechanism and a self-diagnosis subsystem. Optical, mechanical and environmental data are collected in real time through a backside illuminated CMOS sensor array, a dual-wavelength infrared photoelectric encoder and a distributed temperature sensor which are coaxially mounted; using an edge detection-optical flow fusion processor to identify the rainbow pattern, and combining with a time frequency feature extractor to quantify the stroboscopic intensity perceived by the human eyes; dynamic adaptive adjustment is realized through color wheel harmonic drive, LED nonlinear modulation and DMD time sequence compensation. The system integrates fault mode matching and a multi-objective optimization algorithm, the problems of rainbow lines, stroboscopic lag, chromatic aberration deviation and environmental interference of a traditional DLP system are effectively solved, and the display consistency and the user experience are remarkably improved.

A projector and a color wheel module thereof are provided. The color wheel module includes a fixing member, a base, a moving part, a locking member and a vibration-absorbing pad. The fixing member includes an axial hole and a through hole. The moving part is arranged on the base and rotates around an axial direction, and the axial direction passes through the axial hole. The locking member passes through the through hole, one end of the locking member is fixed to the base, and the base is fixed to the fixing member through the locking member. The vibration-absorbing pad is arranged on one side of the fixing member corresponding to the base and in the through hole, and the vibration-absorbing pad separates the locking member from the corresponding fixing member and separates the fixing member from the corresponding base.

A color wheel according to an embodiment of the present invention comprises: a basic fluorescent body having a basic light-emitting wavelength; and at least one modified fluorescent body having at least one light-emitting wavelength different from the basic light-emitting wavelength, wherein the basic fluorescent body comprises Y3Al5O12 and the modified fluorescent body comprises Y3(GaxAl(1-x))5O12:Ce in which gallium is doped on the basic fluorescent body.

The invention discloses a light source device and an optical system, the light source device comprises a first laser light source used for generating first laser and second laser, a light combination part, a fluorescent module and a light guide module, and the light combination part is used for guiding the first laser and the second laser to the fluorescent module. The fluorescent module comprises a collecting lens assembly and a color wheel which are sequentially arranged on light paths where the first laser and the second laser are located, and the color wheel comprises a first fluorescent ring and a second fluorescent ring which are concentrically arranged. And first fluorescent light generated by the first fluorescent ring and second fluorescent light generated by the second fluorescent ring are reflected by the color wheel and transmitted by the collecting lens assembly in sequence and then enter the light combining piece. The light guiding module is arranged between the first laser light source and the light combining piece and used for adjusting the optical axis of the laser incident to the light guiding module. Due to the fact that the color wheel is of the multi-ring-shaped structure with different colors, synchronization is not needed when the color wheel starts to rotate, and the starting speed of the light source device is increased.

The present disclosure provides a laser lighting system. The laser lighting system includes a microcontroller, a motor, a fluorescent color wheel, and a detection circuit. The motor drives the fluorescent color wheel to rotate. The detection circuit detects a detection signal from the fluorescent color wheel. When a synchronization signal changes, the microcontroller compares the synchronization signal and the detection signal, and controls a current output signal for driving the motor, thereby reducing a phase change of the detection signal and the synchronization signal until a phase difference between the detection signal and the synchronization signal is maintained at a constant value.