133results about How to "Avoid crosstalk" patented technology

The invention belongs to the technical field of semiconductors, and discloses an image sensor and a manufacturing method thereof. The photoelectric sensing areas are arranged on the substrate, the isolation structures are arranged between the adjacent photoelectric sensing areas on the substrate, and each isolation structure is a grating structure which is formed by stacking a plurality of material layers and has a light blocking effect; the light filtering element is arranged on the photoelectric sensing area; and the grating is arranged on the isolation structure. The imaging performance of the image sensor can be effectively improved.

The invention discloses a low-repetition-frequency spiral microcavity structure and a design method, and belongs to the field of silicon-based integrated photon chips. The low-repetition-frequency spiral microcavity structure comprises a first spiral bent waveguide, a second spiral bent waveguide, an internal connection bent waveguide, an external connection bent waveguide and a bus waveguide. The curvature radius of each point of the internal connection bending waveguide changes along with the length and meets the Euler spiral equation, and the internal connection bending waveguide is used for connecting the starting points of the first spiral bending waveguide and the second spiral bending waveguide. The external connection bending waveguide is used for connecting the end points of the first spiral bending waveguide and the second spiral bending waveguide. The first spiral bent waveguide, the second spiral bent waveguide, the internal connection bent waveguide and the external connection bent waveguide form a closed spiral annular waveguide. A light beam transmitted in the bus waveguide is coupled into the spiral annular waveguide. The invention further discloses a design method of the low-repetition-frequency spiral microcavity structure. According to the invention, loss caused by high-order mode crosstalk and mode mismatch can be reduced, and the area utilization rate of a chip is improved.

The invention belongs to the technical field of optical fiber sensors, and discloses an optical fiber SPR (Surface Plasmon Resonance) sensor and a preparation method thereof. The optical fiber SPR sensor provided by the invention comprises a first optical fiber, a capillary optical fiber and a multimode optical fiber, the first optical fiber is an optical fiber capable of realizing double-path optical transmission, the surface of the capillary optical fiber is plated with a metal film, and two ends of the capillary optical fiber are respectively welded with the first optical fiber and the multimode optical fiber; an optical signal transmitted along a first path of the first optical fiber enters the inner wall of the capillary optical fiber to be totally reflected, and interacts with the metal film to generate SPR (Surface Plasmon Resonance) which is received by the multimode optical fiber for external refractive index sensing; and the optical signal transmitted along the second path of the first optical fiber enters the air cavity of the capillary optical fiber and is received by the multimode optical fiber after passing through the air cavity, and the two paths of optical signals at the output end form Mach-Zehnder interference for external temperature sensing. According to the invention, external refractive index and temperature change can be measured at the same time, cross-talk can be avoided, and high sensitivity is achieved.

The invention discloses a mid-infrared and far-infrared heterogeneous integrated optical fiber combiner and a preparation method thereof, and belongs to the technical field of mid-infrared optical fiber devices.The combiner comprises six sulfur-based chalcogenide optical fibers with the working wave band being 3-5 microns and four Te-based chalcogenide optical fibers with the working wave band being 7-11 microns, the six sulfur-based chalcogenide optical fibers and the four Te-based chalcogenide optical fibers are mixed in a heterogeneous mode, and ten input optical fibers are closely arranged according to a regular triangle; beam combination transmission is formed by optimizing a low-temperature fused biconical taper process, the optical fiber is precisely welded with an output optical fiber with a slightly large core diameter, and finally the optical fiber is packaged. The beam combiner realizes broadband efficient laser transmission, has the characteristics of excellent beam quality, high synthesis efficiency, large total output power, compact structure and strong stability, and can be widely applied to the fields of optical fiber sensing, laser processing, national defense and the like.

The invention relates to an interference type sensing device for multiplexing and a demodulation system and method, the sensing device is formed by sequentially connecting a plurality of interference type sensing units in series, and each interference type sensing unit is characterized in that two input ends of a circulator are respectively connected with an F-P cavity optical fiber sensor and a linear chirp fiber grating sensor, and an output end of the circulator is connected with a coupler; the reflection bandwidth of the fiber bragg grating of the linear chirped fiber bragg grating sensor just covers one period of the reflection spectrum of the F-P cavity, and the reflection wavelength ranges of the fiber bragg gratings of the plurality of interference type sensing units are not overlapped. The demodulation system comprises a broadband light source, an interference type sensing device and a signal detector. According to the invention, real-time measurement of a plurality of sensors on one optical fiber is realized, the multiplexing capacity is improved, the structure of a detection and demodulation system is simplified, the number of required optical fibers is reduced, and the complexity of the system is reduced.

The invention provides a multi-band composite high-integration TR assembly. The multi-band composite high-integration TR assembly comprises a shell, a front multi-layer board, a back multi-layer board, a C / X / Ku band receiving and transmitting circuit, a C / X / Ku band single receiving circuit and a Ka band receiving and transmitting circuit, wherein the front multi-layer board and the back multi-layer board are connected in the shell, the C / X / Ku band receiving and transmitting circuit is connected with the front multi-layer board, and the Ka band receiving and transmitting circuit is connected with the back multi-layer board. The low-cost scheme design of an all-solid-state microwave multilayer board suitable for batch production and testing is adopted, ports and transmission line layout are reasonably designed, multi-band composite mode transmission is achieved in the form of the front face and the back face, a C / X / Ku-band transmitting circuit and an H-polarization receiving circuit are integrated on the front face, and the transmission efficiency is improved. A C / X / Ku frequency band V polarization receiving circuit and a Ka frequency band receiving and transmitting circuit are integrated on the reverse side, different functional circuits are respectively transmitted through a microstrip line and a strip line through an interface circuit structure covering 1-40 GHz and an in-board vertical transition structure, the isolation degree of different circuits is improved, mutual crosstalk between different signals is avoided, and the transmission efficiency is improved. And the functions of high integration, high consistency, ultra wide band, numerical control phase shift, numerical control attenuation and the like of the assembly are realized.

The invention discloses an LSPR (Localized Surface Plasmon Resonance) detection device and detection method based on wavelength phase co-modulation, and the device utilizes a liquid crystal variable delayer to carry out phase delay on polarized light so as to realize sinusoidal modulation of emergent light intensity. The difficulty of demodulating the LSPR phase signal is reduced, the acquisition speed of the LSPR phase signal is improved, and the detection sensitivity is greatly improved. A light intensity image is recorded through the area array detector, and each pixel of the area array detector corresponds to one sensing channel, so that the detection flux is effectively improved. The optical filter is used for carrying out tunable filtering on incident light, controllable wide-field excitation of the LSPR sensing chip with different wavelengths is realized, crosstalk among different spectrums caused by strong scattering of the LSPR nano-chip due to simultaneous excitation of a broadband light source is avoided, and the accuracy of the LSPR sensing technology is further improved. Moreover, a plurality of suitable wavelengths are spliced, and phase detection is performed on a specified site, so that the dynamic detection range of the LSPR phase signal is effectively expanded.

The invention discloses a full silicon carbide voltage sag treatment device and a control method. The device comprises a first silicon carbide static change-over switch K1, a second silicon carbide static change-over switch K2, a third silicon carbide static change-over switch K1, a third silicon carbide static change-over switch K3, an energy storage converter, an energy storage battery and three ports I, II and III, by utilizing the device, a fault source of voltage sag is positioned and treated by detecting the voltage state of a port, and grid connection / grid disconnection / removal is carried out on the energy storage converter according to actual requirements through an off-grid control algorithm and a grid connection control algorithm, so that rectification / inversion mode conversion is realized, and the reliability of the energy storage converter is improved. Input and output power is adaptively adjusted according to the change of power grid frequency, and bidirectional energy flow and peak load shifting are realized. According to the invention, the cost is low, rapid voltage sag treatment with millisecond-level response time can be realized, power supply of a sensitive load can be effectively guaranteed when a power grid fails, and the energy storage converter has a self-adaptive peak regulation function and has a certain practical value.

The invention discloses a wavelength-independent real-time polarization imaging method and device based on a metasurface, and belongs to the field of polarization imaging. Comprising a to-be-tested sample, a first lens, a two-dimensional polarization grating, a one-dimensional polarization grating, a second lens, a polarizing film and an image sensor which are sequentially arranged along a light path, a light beam irradiates a to-be-measured sample and then passes through a first lens, and a part of a light field enters a two-dimensional polarization grating to be modulated and split into two left-hand circular polarization components and two right-hand circular polarization components through diffraction; part of the light field is directly transmitted to the one-dimensional polarization grating and is diffracted and split into left-handed and right-handed circular polarization components; at the focal point of the second lens after diffraction splitting, one left-handed circular polarization component and one right-handed circular polarization component diffracted and split by the two-dimensional polarization grating are completely overlapped with the left-handed circular polarization component and the right-handed circular polarization component diffracted and split by the one-dimensional polarization grating respectively; and the light reaches the image plane of the image sensor through the polarizer. According to the invention, the problem of wavelength dependence in the existing single-exposure polarization imaging technology is solved.

The invention relates to a finger-pressing type nucleic acid detection micro-fluidic chip, which comprises a bottom layer, a flow channel layer, a finger-pressing layer and a thin film layer, the flow channel layer comprises an LAMP reaction chamber, a CRISPR reaction chamber, a water storage chamber, a Tesla valve, a finger-pressing chamber and a test paper reaction chamber, the LAMP reaction chamber comprises a nucleic acid extraction-free reaction system based on LAMP, the CRISPR reaction chamber comprises a CRISPR-based cas12b reaction system, and the test paper reaction chamber comprises a Tesla valve, a finger-pressing chamber and a test paper reaction system. The water storage chamber is mainly used for diluting a mixed system, and the Tesla valve is used for preventing crosstalk of the two reaction systems; the finger pressing layer comprises an LAMP reaction chamber button and a CRISPR reaction chamber button, when the LAMP reaction chamber button is pressed, liquid in the LAMP reaction chamber is pumped into the CRISPR reaction chamber, when the two buttons are pressed at the same time, a reaction mixing system is pumped into the water storage chamber to be mixed, and then the reaction mixing system is further pumped into the test paper reaction chamber. The chip can be widely applied to the field of rapid diagnosis of nucleic acid molecules, the detection cost is reduced, manual operation is simplified, and the detection efficiency is improved.

The invention discloses a rectification memristor with a synaptic simulation function and application thereof, and belongs to the field of artificial intelligence. The memristive device adopts a sandwich structure and is sequentially composed of an upper Ag electrode, an AgI and PbI2 functional layer and a lower ITO electrode. The memristor provided by the invention has a rectification characteristic, effectively solves the sneak current problem in crossbar integration, and ensures accurate reading of device data in an array. Meanwhile, good nerve synaptic functions including dipulse suppression, dipulse simplification, long and short range memory response and synaptic weight plasticity are achieved under circulating electric pulses, and human brain nerve synaptic processing, learning and working behaviors and the like can be simulated. According to the invention, the PbI2 material is successfully applied to integration of multiple functions of rectification, storage and neuromorphic simulation for the first time, and a new possibility is developed for application in the fields of neuromorphic simulation and artificial neural networks.

The invention relates to the field of lamps, and discloses a light guide part, a lamp and a carrier, the light guide part comprises at least two light guide sections which are arranged in sequence, and every two adjacent light guide sections are connected through a connecting section; wherein each light guide section is provided with a light inlet part and a light outlet part, the light inlet parts are used for allowing light of the light-emitting assembly to enter the light guide sections, the light outlet parts are used for allowing the light of the light guide sections to be emitted, and the connecting sections are configured to limit at least part of the light to be transmitted between the two adjacent light guide sections. The light guide part is designed to be of the structure that the at least two light guide sections and the connecting sections are alternately connected, independent segmented control over all the light guide sections can be achieved, for example, the on-off states of different light guide sections are independently adjusted, or differentiated color output of all the light guide sections is achieved, the problem that a traditional light guide part is single in light emitting effect is effectively solved, and the light guide part is more convenient to use. And diversified and differentiated light emitting requirements are fully met. The connecting sections can effectively limit light transmission between the adjacent light guide sections, and the light crosstalk phenomenon is avoided.

According to the pressure-temperature dual-mode sensor and the preparation method and application thereof provided by the invention, the pressure sensing layer is designed into the gradient inclined magnetic column array which is distributed in a rectangular array, and the gradient inclined magnetic column array has the layout characteristics of gradient change and inclination of the length, the position and the like of the magnetic columns; a special magnetic field gradient can be created in the space, and the magnetic field gradient can enable the pressure-temperature dual-mode sensor to generate linear or relatively uniform change response to external stimuli with different magnitudes, so that the measuring range of pressure testing can be widened; the problems of inaccurate measurement and small measurement range caused by the stress concentration problem of other microstructures and the large structure overlapping phenomenon are effectively solved. And meanwhile, the pressure sensing layer and the temperature sensing layer are tested in a layered manner, so that the problem of mutual crosstalk of a temperature signal and a pressure signal is avoided, and the detection accuracy and precision of the pressure-temperature dual-mode sensor are further improved.

The invention discloses a near-to-eye display system and display method based on retina projection, and belongs to the technical field of display products. The near-to-eye display system comprises an image generation unit, a waveguide device, a second phase element and a secondary polarizer holographic element; the image generation unit is used for generating an imaging light beam with image information; the waveguide device is used for receiving the imaging light beam of the image generation unit and carrying out light path folding on the imaging light beam; the second phase element selectively converts the imaging light beam into first polarized light or second polarized light; the secondary polarization body holographic element is used for receiving the first polarized light or the second polarized light emitted by the second phase element; the second phase element selectively converts the first polarized light or the second polarized light to converge the first polarized light or the second polarized light to different viewpoints through the secondary polarizer holographic element. On the premise that the convergence adjustment conflict problem is solved, the eye movement range is increased, and the image crosstalk and dark space phenomena are avoided.

The invention provides a laser transmitting and receiving device, which comprises a transmitting and receiving shell which is provided with a transmitting cavity and a receiving cavity which are arranged at an interval along a first direction; the transmitting module is arranged in the transmitting cavity and is used for transmitting emergent laser; the receiving module is arranged in the receiving cavity and is used for receiving echo laser; the rotating mirror module is arranged in front of the transceiving shell along the light emitting direction of the emergent laser, the rotating mirror module comprises a reflecting mirror, and the reflecting mirror can rotate around a rotating axis extending along the first direction so as to reflect the emergent laser to realize scanning emission and reflect the echo laser to the receiving module; wherein the first direction is perpendicular to the light emitting direction.

The application provides an image-side telecentric F-Theta scanning lens and application thereof, and relates to the technical field of optical imaging. The image-side telecentric F-Theta scanning lens comprises a diaphragm, a first positive lens, a second negative lens, a third positive lens, a fourth negative lens and a fifth positive lens which are coaxially arranged in sequence along the light path propagation direction. The fourth negative lens and the fifth positive lens are glued to form a glued double lens, and share one glued surface. The diaphragm is located at the front of the lens, is spaced apart from the first lens by 36.71 mm, and serves as an aperture diaphragm of the system to limit the incident light beam. The image-side telecentric F-Theta scanning lens provided by the application not only has a simple structure, but also is applied to scenes such as hyperspectral microscopic imaging, multi-waveband fluorescent microscopic imaging and wide-waveband industrial detection, and can realize low-distortion, image-side telecentric high-quality scanning imaging in a wide spectral range, so as to meet the strict requirements of the microscopic imaging system on large-field uniform illumination and accurate geometric measurement.

The present invention belongs to the technical field of LED display chips, and discloses a Micro LED display chip and a preparation method thereof. The present invention processes an MQW layer of an epitaxial wafer by ultrafast pulse laser, so that an EBL layer and a P-GaN layer that can be free of ICP etching are prepared by subsequent deposition processing, so that the preparation method of constructing a vertically distributed LED display chip is greatly simplified. At the same time, a larger current density can be achieved through a cathode shallow groove network and a deep through-hole design, and optical crosstalk can be effectively prevented.

The application relates to the technical field of image sensors, and provides an image sensor and a manufacturing method.The image sensor comprises a semiconductor substrate, a plurality of pixel regions, a metal interconnection layer and a blocking structure.The blocking structure is composed of an isolation structure arranged in the semiconductor substrate, a crosstalk modulation structure and a first contact hole structure which are sequentially arranged in a dielectric layer and correspond to the isolation structure.The blocking structure can form an effective light blocking wall structure on one hand, preventing light of one pixel region from being reflected by the metal interconnection layer and crosstalking into an adjacent pixel region; and on the other hand, the blocking structure can prevent over-etching of the isolation structure during processing of the first contact hole structure, thereby reducing the enrichment and diffusion of charges in the isolation structure, effectively improving the dark current performance of the device, and simultaneously reducing optical crosstalk and electrical crosstalk of the image sensor, which is conducive to improving the imaging quality of the image sensor.

Use of a compound, microarray chip substrate, microarray chip and use and method thereof. The present application provides use of a compound, or a geometric isomer, tautomer, isotopically labeled, hydrate, solvate or salt thereof in chip surface modification. Also provided is a microarray chip substrate modified by the compound, and a microarray chip comprising the microarray chip substrate. The microarray chip substrate of the present application can greatly improve the surface modification function by surface modification, improve nucleic acid synthesis yield, amplify detection signal, and avoid non-specificity and cross-talk. It has a wide application prospect.

The application relates to a full GaN power electronic monolithic integrated circuit and a preparation method thereof, which comprises, from bottom to top, an insulating composite substrate, an AlN layer, a Si layer, a GaN / AlGaN buffer layer, a GaN layer and an AlGaN layer; a 2DEG layer is formed between the GaN layer and the AlGaN layer; the AlGaN layer is etched, a p-GaN layer is grown; a p-GaN layer gate portion is etched and filled with a passivation layer, and a gate metal is grown; source metal and drain metal are respectively grown on both sides of the p-GaN layer gate area; a deep groove is arranged between a driving circuit and a low-voltage tube, between a high-voltage tube and the low-voltage tube, and a medium is filled in the deep groove; and the full GaN power electronic monolithic integrated circuit is obtained through a top via and an interconnection process. The application can realize high efficiency and low power consumption, low parasitic effect, and reduce leakage current and switching loss.

The invention discloses a low leakage switch, and belongs to the technical field of switches, the low leakage switch comprises a commercial power supply switch and a hybrid power supply switch, the commercial power supply switch and the hybrid power supply switch carry out information interaction through an optical fiber, the commercial power supply switch comprises a commercial device, and the hybrid power supply switch comprises a commercial device and a storage battery. The commercial power supply switch and the hybrid power supply switch enable the low-leakage switch to form a split structure, the commercial power supply switch and the hybrid power supply switch carry out information interaction through optical fibers, communication signals are transmitted in an optical signal mode, electric signals are not generated, radiation is not generated, and the reliability of the low-leakage switch is improved. Interference is caused to a darkroom environment or a special environment with extremely strict requirements for electromagnetic waves and conducted noise, meanwhile, the hybrid power supply switch adopts a built-in storage battery to supply power, and when the hybrid power supply switch is placed in the darkroom or the special environment, an active power supply is not introduced, so that interference caused by conduction and emission from an external power line is avoided.

The invention discloses an oil cooler space ring and a high-precision manufacturing method thereof.The oil cooler space ring comprises an annular body, an oil through hole is formed in the center of the annular body, four positioning bosses are evenly distributed at one end of the annular body in the circumferential direction, and a first sealing groove is formed in the peripheral face of the annular body; a second sealing groove is formed in the inner circumferential face of the annular body, a thread auxiliary groove is formed in the oil through hole, a flow guide groove is formed in the end, away from the positioning boss, of the annular body and distributed in a spiral shape, the positioning boss is used for axial positioning and circumferential positioning of the space ring in the oil cooler, and the assembly precision is guaranteed. The flow guide grooves are formed in the end face of the annular body and distributed in a spiral shape, the number of the flow guide grooves is six, the spiral flow guide grooves can guide a cooling medium to form ordered spiral flow on the surface of the space ring, the contact area of the cooling medium and the space ring is increased, the contact time of the cooling medium and the space ring is prolonged, and therefore the heat exchange efficiency is improved.

This invention discloses a linked structure cavity for improving the SPL (Surface Placement) of musical glass, comprising an active device, a microwave cavity, a linked nano-cushion, and a metasurface crystal layer. The active device is disposed on the original glass, and a metasurface crystal layer is horizontally disposed on its end face away from the original glass. A ring-shaped microwave cavity is disposed between the metasurface crystal layer and the original glass, relative to the outside of the active device. The microwave cavity is spaced around the active device and forms a circular region with the metasurface crystal layer and the original glass. A linked nano-cushion is disposed between the metasurface crystal layer and the active device, and the linked nano-cushion and the microwave cavity are configured to not interfere with each other. This multi-dimensional combination of the linked nano-cushion, the microwave cavity, and the metasurface crystal layer forms a strong coupled planar sound field, improving the SPL value of the musical glass. This invention improves the SPL value of musical glass through the multi-dimensional combination of the microwave cavity, the linked nano-cushion, and the metasurface crystal layer.

The present invention provides a display substrate and a display device, which relate to the field of display technology and are for improving the transmittance of OLED display devices. The display substrate comprises: a substrate and a plurality of sub-pixels arranged on the substrate; the sub-pixels comprise: a reset signal line, an initialization signal line and a first transistor, at least a portion of the reset signal line extends along a first direction; at least a portion of the initialization signal line extends along the first direction; the gate of the first transistor is coupled to the reset signal line, the first electrode of the first transistor is coupled to the initialization signal line, and the orthographic projection of at least a portion of the first electrode of the first transistor on the substrate is located between the orthographic projection of the reset signal line on the substrate and the orthographic projection of the initialization signal line on the substrate. The display substrate provided by the present invention is used for display.

The invention relates to a multi-section tandem fluidized bed reaction system in the technical field of gas-solid fluidized beds. The multi-section tandem fluidized bed reaction system comprises a gas-solid separation area, a multi-section tandem reaction area and a solid material receiving and circulating area which are sequentially communicated from top to bottom, a reactor and a stocker which are connected from top to bottom are arranged in a segmented reaction area of the multi-segment tandem reaction area, a distributor is arranged in an inner cavity of the reactor, a material disperser is arranged at the bottom of the reactor, a coated raw material feeding line is connected to the side wall of the distributor, and a loose air feeding line is connected to the bottom of the stocker; according to the invention, the problems of short retention time of a single reactor, incapability of continuously supplementing heat for solid particles and the like in a C-type ultrafine particle fluidized bed CVD coating technology are solved, repeated relay coating under the condition of the same raw material and multi-layer coating of different raw materials under the condition of one-time passing can be realized, the yield and the yield of a target product are favorably improved, and the production cost is reduced. The operation stability of a fluidized bed reaction system is improved, and equipment investment and dust pollution are reduced.

The invention belongs to the related technical field of gas sensors, and discloses an anti-crosstalk fluorescent array multi-component gas sensing chip as well as a preparation method and application thereof. The sensing chip comprises a silicon substrate, a silicon-based optical detector array and a silicon-based OLED which are arranged in a groove of the silicon substrate side by side, an insulating layer, an optical filtering metasurface and a micro-channel array which are sequentially arranged on the silicon-based optical detector array, and a packaging optical reflector arranged on the silicon substrate, the insulating layer, the optical filtering metasurface and the micro-channel array are accommodated in the packaging optical reflector; and the micro-channel array is filled with a plurality of fluorescent dyes. According to the invention, interference signals of an emission source can be effectively filtered out, and crosstalk among different fluorescence signals can be avoided, so that high-precision detection of multi-component gas can be realized.

A metal grid structure of a CIS is disclosed. A plurality of photodiodes are formed in a semiconductor substrate in a pixel region. A metal grid is formed on top of each photodiode by surrounding each photodiode with metal lines. The metal grid is used to define an incident light path for each photodiode. A first dielectric layer is formed between a bottom surface of each metal line and a top surface of the semiconductor substrate. A second dielectric layer fills in between each first dielectric layer, between each metal line, and on top of a top surface of the metal lines. The first dielectric layer has a refractive index greater than a refractive index of the second dielectric layer, which is used to form a reflective structure for incident light at the bottom of each metal line and thereby improve optical interference between pixels. A process integration method for the metal grid structure of a CIS is also disclosed. The present invention improves optical interference between pixels.

The disclosure provides a focal plane array circuit, a data reading method thereof and a photoelectric detector, wherein the focal plane array circuit comprises: at least one pixel unit group, the pixel unit group comprises at least two pixel units, and each pixel unit comprises: a sensing pulse output circuit and a counter; each pixel unit in the pixel unit group except the first pixel unit is respectively provided with a corresponding first switch circuit and a second switch circuit; a first end of the first switch circuit is connected with the sensing pulse output circuit in the corresponding pixel unit, and a second end of the first switch circuit is connected with the counter in the corresponding pixel unit; a first end of the second switch circuit is connected with the counter in the corresponding pixel unit, and a second end of the second switch circuit is connected with the counter in the previous pixel unit of the corresponding pixel unit, and the two counters connected by the second switch circuit constitute a cascade when the second switch circuit is in an on state.

A motion recognition method, device and equipment are disclosed. The method comprises: performing human body skeleton detection on a video image containing multiple subjects to obtain skeleton key point information of each subject, the skeleton key point information comprising two-dimensional coordinate information of the key points, and generating a skeleton line graph of each subject according to the key point information; then acquiring learnable RGB projection parameters exclusive to the skeleton line graphs of different subjects, and projecting the skeleton line graphs into corresponding RGB channels of the video image according to the learnable RGB parameters; and using a motion recognition network to recognize the motion of each subject according to the video image with the skeleton projection. By learning independent and exclusive projection parameters for each subject, the skeleton line graphs of different subjects are naturally separated in the RGB space, even in the occlusion scene, the motion recognition network can distinguish different subjects, extract the motion features of the subject of interest for motion recognition, avoid the crosstalk of motion features of different subjects, and improve the accuracy of motion recognition.