1760 results about "Central region" patented technology

The disclosure presents a humanoid robot with an upper region (head, torso, arms with forearm assemblies, end effectors), lower region (legs), and connecting central region. Each end effector features index, middle, ring, little finger, and thumb assemblies attached to a housing of said end effector. The housing includes interior wall extents creating spaces for tendon routing, where the first distance between first and second wall extents is less than 45% of the second distance between third and fourth wall extents. Tendons controlling finger movements pass between these wall extents. The robot incorporates a wrist assembly connecting the housing of the end effector to the forearm, actuators housed in the forearm that control the tendons, and a carpal tunnel-like structure that guides tendons from forearm to base of the housing, enabling precise hand movements without requiring actuators in the hand itself.

An acoustic wave device, a radio frequency filter and an electronics module are provided. The acoustic wave device, comprises a layer of piezoelectric material, a pair of interdigital transducer electrodes disposed on an upper surface of the layer of piezoelectric material, each interdigital transducer electrode including a bus bar and a plurality of electrode fingers extending from the bus bar through a central region of the interdigital transducer electrode towards an edge region of the interdigital transducer electrode, each of the plurality of electrode fingers having a width in a direction perpendicular to the extension of the electrode fingers that is smaller in the edge regions than in the central regions, and trench portions located in the upper surface of the layer of piezoelectric material, the trench portions overlapping with the edge regions of the interdigital transducer electrodes. The acoustic wave device provides effective suppression of transverse modes.

The invention provides a patterned photonic crystal laser and a preparation method thereof, the laser comprises a substrate, and a first mask layer, a photonic crystal layer and a second mask layer which are sequentially deposited on the substrate, a light emitting area is etched in the central area of the second mask layer, and transparent conductive layers are deposited on the surface of the second mask layer and the light emitting area; a p-annular electrode is arranged on the surface of the transparent conductive layer on the second mask layer, and an n-annular electrode is arranged below the substrate; the photonic crystal layer is composed of a nanorod array and a polymer filled in gaps of nanorods; holes distributed in a patterned array are etched in the surface of the first mask layer, and nanorods are epitaxially grown in hole areas; the nanorod is formed by sequentially depositing a substrate contact layer, a first waveguide layer, a multi-quantum well layer, a second waveguide layer, a coating layer and a component gradient layer. According to the invention, through collaborative design optimization of all the layers, emission of laser with specific wavelength and preparation of a laser emitting laser with single longitudinal mode, narrow linewidth and stable wavelength are realized.

The utility model discloses a function piece positioning and fixing mechanism, and belongs to the technical field of function piece positioning and fixing. A functional piece positioning and fixing mechanism comprises a fixing table, a controller is arranged on the outer wall of the front portion of the fixing table, the outer wall of the circumference of a first lead screw is sleeved with a moving plate, the outer wall of the circumference of a second lead screw is sleeved with moving blocks, clamping assemblies are arranged at the tops of the multiple moving blocks, and supporting assemblies are arranged in the fixing table and comprise electric push rods. Functional pieces of various sizes or shapes can be positioned and fixed, the functional pieces are fixed through negative pressure of a vacuum adsorption opening, the flexibility and practicability are improved, after positioning and fixing, a rotary supporting rod can be rotated to expand the supporting area, an electric push rod is started to ascend a mounting plate, and the rotary supporting rod supports the central area of the functional pieces; the phenomenon that the center is bent and deformed when a large functional piece is clamped is reduced, and the machining stability is improved.

A photonic crystal optical filter and a spectrum detection system, the photonic crystal optical filter comprising: a photonic crystal portion comprising a plurality of photonic crystal units, each photonic crystal unit comprising a plurality of through holes arranged in an array, each photonic crystal unit comprising a central region and a peripheral region, the plurality of through holes comprise a first through hole in the central area and a second through hole in the peripheral area; the central area comprises Na * Na first through holes, and Na is a positive integer greater than or equal to 5; the number of the second through holes in each edge of the peripheral area is Na * Nb, wherein Nb is a positive integer greater than or equal to 1; the minimum distance between every two adjacent first through holes is a first distance Da, the minimum distance between every two adjacent second through holes is a second distance Db, the minimum distance between the first through holes and the second through holes is a third distance Dg, Na * Da + Nb * Db + Dg is smaller than or equal to 10 micrometers, and the spectrum detection system has the advantages of being high in detection precision, small in structural size, stable in structure and the like.

The invention discloses a spiral resonance photoacoustic cell and an operation method, the spiral resonance photoacoustic cell comprises a gas chamber straight tube, a spiral tube, an optical fiber collimator and an optical fiber F-P sonic sensor, the two ends of the gas chamber straight tube are open, the two ends of the spiral tube are communicated with the gas chamber straight tube, an acoustic resonance point is formed at the center of the spiral tube, and the optical fiber F-P sonic sensor is arranged in the central area of the spiral tube; and the optical fiber collimator is arranged at one end of the air chamber straight pipe. The spiral pipe is wound outside the air chamber straight pipe, the spiral pipe is communicated with the air chamber straight pipe, the structural design of the spiral pipe enables the spiral pipe to form acoustic resonance at a specific frequency, and the optical fiber F-P sonic sensor obtains a photoacoustic signal; compared with a conventional resonance photoacoustic cell, the physical volume of the resonance photoacoustic cell is greatly compressed, and the system integration level is effectively improved. More importantly, under the condition that a compact appearance similar to that of a non-resonant photoacoustic cell is kept, the device amplifies the photoacoustic signal intensity by several times through an acoustic resonance effect, and the detection sensitivity and the signal-to-noise ratio of the system are remarkably improved.

The present invention relates to an absorbent pad for a wound dressing comprising a central region and at least one distal region, wherein the central region comprises a first fenestration pattern therein comprising at least one fenestration, and wherein the at least one distal region comprises a second different fenestration pattern therein comprising at least one fenestration. The present invention also relates to a method of manufacturing the absorbent pad and a wound dressing comprising an absorbent pad as described above.

A golf shoe with an upper and a sole assembly connected to the upper. The sole assembly includes an outsole with a plurality of traction elements positioned around a central region of the outsole. The plurality of traction elements comprise a first set of traction elements arranged along a perimeter or edge of the outsole in a first spatial configuration corresponding to a shape or profile of the perimeter or edge of the outsole, and a second set of traction elements extending alongside the first set of traction elements. The plurality of traction elements may comprise a third set of traction elements disposed within a forefoot and / or rearfoot portion of the central region of the outsole. The third set of traction elements may comprise one or more omni-directional traction elements, and the first and second sets of traction elements may comprise a plurality of directional and omni-directional traction elements.

The invention discloses a scoliosis correction brace and a control method, and relates to the field of medical instruments.The scoliosis correction brace comprises a brace body, a first massage device and a second massage device, the brace body is obtained through 3D printing according to a patient spine model, and the first massage device and the second massage device are arranged on the brace body; the brace body is provided with a central area corresponding to the spine of a patient, a first correction area corresponding to the convex side of the spine of the patient and a second correction area corresponding to the concave side of the spine of the patient, the first correction area is provided with a first massage area, and the second correction area is provided with a second massage area. The first massage device is arranged in the first massage area, and the second massage device is arranged in the second massage area. The control method is used for controlling the scoliosis correction brace. By the adoption of the spine correcting device, the convex side and the concave side of the spine can be massaged and stimulated, functional recovery of spine bones is accelerated, and the correcting effect can be remarkably improved.

A method of forming a bonding contact, a bonding structure and a semiconductor device are disclosed. The method includes forming a bonding layer. The bonding layer comprises a central region and a peripheral region. A second conductive material layer is deposited onto the surface of the bonding area, forming a capping layer. The second conductive material layer is a different conductive material from a first conductive material layer. A portion of the capping layer in the central region is removed to expose the first conductive material layer, thereby forming the bonding contact having the remaining portion of the capping layer.

The invention discloses wafer cleaning equipment, a wafer chuck thereof and a wafer cleaning method, and belongs to the technical field of semiconductor process equipment. The wafer chuck comprises a chuck base body, an air injection assembly and a plurality of wafer lifting shafts, the air injection assembly and the wafer lifting shafts are arranged on the chuck base body, the chuck base body is provided with a bearing face used for bearing a wafer, and an air outlet of the air injection assembly is located in the central area of the bearing face and used for injecting air between the bearing face and the wafer. The multiple wafer lifting shafts are distributed on the periphery of an air outlet of the air injection assembly in the circumferential direction of the bearing face in a surrounding mode, each wafer lifting shaft can move relative to the chuck base body, each wafer lifting shaft is provided with an arc-shaped inclined table, each arc-shaped inclined table is provided with an inclined extending face extending in the circumferential direction of the corresponding wafer lifting shaft, and the inclined extending faces are used for bearing the edge of a wafer. When the wafer lifting shaft moves relative to the chuck base body, the wafer can move to different height positions along the inclined extending face. According to the invention, the height of the wafer can be accurately positioned, and the wafer cleaning efficiency is improved.

To provide a wearable article for pets that can ensure a good fit while suppressing excessive pressure on the genitals. [Solution] The wearing article 1 is a pet wearable article to be worn by wrapping it around the waist of a pet, and to which an absorbent article 100 is attached. The main body 2 of the wearing article 1 has a space-forming portion 4 that forms a space S extending in the front-to-rear direction D2 for positioning the pet's genitals when the wearing article 1 is worn. The space-forming portion 4 has a central region R1 obtained by dividing the main body 2 into thirds in the front-to-rear direction D2, and a pair of side regions R2, R3 located on both sides of the central region R1 in the front-to-rear direction D2. The central region R1 is configured to protrude toward the pet's non-skin side Z2 beyond at least one end R2a, R3a of the pair of side regions R2, R3, regardless of whether the pair of side regions R2, R3 are stretchable in the waist-circumference direction D1.

According to the splicing type Ritchey-Common detection method and system based on neural network model training, the sensitivity rules of aberration orders and Ritchey angles are combined, angle differentiation configuration is combined with reconstruction of the marginal area weight through a fusion detection model, and therefore on the premise that no sensitive blind area exists, the detection accuracy is improved, and the detection efficiency is improved. The influence of weak edge aberration signals is counteracted, so that the deviation between the detection precision of the edge region and the central region can be remarkably reduced, full-order high-precision detection of large-aperture plane mirror aberration is realized, particularly, the detection precision of the edge region aberration is remarkably improved, and the detection precision of the large-aperture plane mirror aberration is improved. The problems that in a traditional method, the precision deviation between an edge area and a center area is large, and full-order aberration coverage is insufficient are solved.

The invention provides a wafer state detection device and method, and the device comprises a light source which is used for irradiating a to-be-detected wafer, and a turning light path which is used for guiding the reflected light of a left region, a central region and a right region of the to-be-detected wafer to an imaging module. And the processing module is used for determining the number of overlapped wafers according to the upper and lower edge pixel distance of the to-be-measured wafer and the upper and lower edge pixel distance of the standard wafer acquired by the imaging module. And the processing module is used for determining the inclined sheet angle according to the first straight slope, the second straight slope and the third straight slope of the upper edge or the lower edge of the wafer obtained by fitting the left area image, the central area image and the right area image obtained by the imaging module respectively. And the processing module is used for determining the warping amount according to the corresponding size of the object space pixel and the maximum longitudinal pixel interval of the upper edge or the lower edge of the wafer obtained by the left region image, the central region image and the right region image obtained by the imaging module, so that the quantitative detection of the state of the wafer to be detected is realized.

The invention discloses a loudspeaker which comprises a bass basin stand, a bass vibrating diaphragm, a bass magnetic circuit assembly, a first bass voice coil, an extension framework, a second bass voice coil and a high pitch unit. An avoiding hole is formed in the axial center area of the bass vibrating diaphragm; the bass magnetic circuit assembly is provided with a first magnetic gap and a second magnetic gap which are coaxially arranged, and a magnetic saturation area is formed in the axial center areas of the first magnetic gap and the second magnetic gap. The first bass voice coil is suspended in the first magnetic gap; the extension framework is connected with the first bass voice coil and the second bass voice coil, and the second bass voice coil is suspended in the second magnetic gap; the high-pitch unit penetrates through the avoidance hole and is installed on the low-pitch magnetic circuit assembly, the high-pitch unit is at least partially located in the magnetic saturation area, and the high-pitch unit and the second low-pitch voice coil share the magnetic flux of the magnetic saturation area; magnetic energy recycling is achieved without adding extra magnetic steel, the second bass voice coil is also located in the magnetic saturation area and shares magnetic flux with the high pitch unit, and synchronous enhancement of low frequency and high frequency is achieved.

An objective system of a medical scope including an optical filter is disclosed. The optical filter includes a light incident side and a light exit side, a central region around an optical axis, and a peripheral region and is designed as an aperture with a single optical axis for white light and fluorescence light. The optical filter includes a first transmission zone for a transmittance of a first wavelength band and a second transmission zone for a transmittance of a second wavelength band at least partially different from the first wavelength band. At least one of the two transmission zones includes a filter coating. As a result, when both white light and fluorescence light pass the optical filter, a light beam cone of the fluorescence light has a larger diameter than a light beam cone of white light or vice versa.

The invention discloses a region segmentation and spraying track planning method and system of a mobile composite spraying robot and a storage medium, and belongs to the technical field of industrial robots. The method comprises the steps that a workpiece point cloud is obtained through a three-dimensional camera and preprocessed; extracting a central region based on statistical characteristics, and segmenting the point cloud into plane and curved surface sub-regions by adopting an improved RANSAC algorithm; generating a grating path for the plane area, and generating a path for the curved surface area through Poisson reconstruction, adaptive slicing and two-dimensional projection planning; uniformly controlling the attitude of the spray gun and the normal included angle, and sectionally setting the slice spacing according to the curvature radius; and finally, multi-station spraying is completed through cooperation of the AGV moving platform. According to the full-automatic spraying device, the dependence of traditional spraying on a CAD model is overcome, the technical problems that large workpieces are difficult to cover and the uniformity of curved surface spraying is poor are solved, and high-quality and full-automatic spraying of large complex components is achieved.

The invention discloses a partial pressure type extensible medical elastic cap, and relates to the technical field of neurosurgery postoperative nursing instruments, the partial pressure type extensible medical elastic cap comprises a partition debugging assembly, the outer surface of the partition debugging assembly is provided with a connecting assembly, and the partition debugging assembly comprises an elastic cap body. According to the partial pressure type extensible medical elastic cap, in order to improve the practicability of the elastic cap for head pressure bandaging after the craniocerebral operation, the main body width of the elastic cap body is increased to 10 mm, the gradient pressure weaving technology is adopted, the central area is formed by processing a high-elasticity weaving layer, the low-pressure area is formed by processing a low-elasticity weaving layer, the cutting feeling can be reduced, and the elastic cap is more practical. The elastic cap can be prevented from being in contact with auricles, opening and closing of the elastic cap can be achieved through the combination of the two corresponding neodymium magnets, the purpose of locally pressurizing the head of a patient can be achieved by pressurizing the air bag, and the elastic cap is convenient to use. The problem that a traditional medical elastic cap in the prior art is simple in structure and low in practicability is solved.

A floor cleaning / refurbishment pad that includes a support layer, the support layer having a central region and an outer peripheral edge defining an outer support layer dimension, a loft material layer overlaying the support material layer and connected thereto, the loft material composed of at least one loft material and the microfiber loft material layer having a height HL and an outwardly facing surface and an agitator / abrasive strip overlaying a portion of the support material layer and connected thereto, the agitator strip having a height HA and an outwardly facing surface.

A woodworking pushblock (100), having: a body (102); a handle (104) disposed atop the body, and at least one pad (106) secured to an underside (108) of the body. The pad comprises a first end (132A), a second end (132B), a central region (134) disposed therebetween, and at least one compressible heel (130A, 130B) including a heel bottom surface (130BS). In an uncompressed state the at least one heel protrudes downward past the central region. The at least one compressible heel is configured such that any portion of the at least one compressible heel that is subjected to a sufficient upward force applied to the heel bottom surface yields upward until flush with the central region.

The invention relates to the technical field of defect detection, in particular to an automatic welding defect detection method for an automobile part, which comprises the following steps: performing image acquisition on the surface of a welding seam area of the automobile part to obtain a grayscale image, and performing global segmentation on the grayscale image to obtain at least one burn-through defect candidate area; determining a seed point according to the connected domain area of each burn-through defect candidate region, and performing region growth in the grayscale image by using an improved growth rule by taking the seed point as a starting point to obtain a growth region; the method comprises the steps of dividing a growth region into a circular center region and a surrounding region based on the area of the growth region, obtaining a region feature value of the growth region according to the gray difference between the circular center region and the surrounding region and gray distribution in the growth region, and determining the position of the burn-through defect in the automobile part according to the region feature value. The interference of weld beading attached to the periphery of the burn-through defect in the welding process is avoided, and the recognition precision of the burn-through defect growing in the area is enhanced.

A fluid-filled chamber includes a first barrier layer and a second barrier layer. The first barrier layer and the second barrier layer cooperating with each other to define an interior void that is asymmetric about a longitudinal axis of the fluid-filled chamber. The interior void includes a first thickness measured in a first direction between the first barrier layer and the second barrier layer at a perimeter region of the interior void and a second thickness measured in the first direction that is less than the first thickness at a central region of the interior void. The fluid-filled chamber further includes a tensile member disposed within the interior void and received within the central region.

Aspects of the disclosure provide a first lens. The first lens can include an optically transparent member having a first surface and a second surface. The optically transparent member can be configured to receive light from a display device via the first surface. The received light exits the optically transparent member through the second surface. The first surface and the second surface of the optically transparent member can be aspheric. An in inner surface of the first surface is convex, and an outer surface of the first surface is concave. The inner surface is surrounded by the outer surface of the first surface. A thickness of a central region of the first lens can decrease from a center of the first lens, anda thickness of a peripheral region of the first lens can increase from a boundary of the central region.

The embodiment of the invention relates to the photovoltaic field, and provides a photovoltaic cell and a photovoltaic module, and the photovoltaic cell comprises a cell substrate which is provided with two opposite edge regions along a first direction and a central region located between the two edge regions; the plurality of grid lines are positioned on the battery substrate and are arranged at intervals along a first direction; the first welding spots and the second welding spots are located on at least part of the edge areas, the second welding spots are located on the areas, close to the central area, in the edge areas, the first welding spots are located on the sides, away from the central area, of the second welding spots, and the orthographic projection area of the first welding spots on the battery substrate is smaller than that of the second welding spots on the battery substrate; the first connecting lines are located on at least a part of the edge areas, the first connecting lines are in contact connection with the first welding spots and the second welding spots, and are in contact connection with a plurality of grid lines located on the sides, away from the central area, of the second welding spots, and the transmission efficiency of carriers in the photovoltaic cell is at least improved.

The semiconductor bonding apparatus includes a porous plate member including a porous material with air permeability, the porous plate member having a first surface configured to contact a semiconductor chip and a second surface being opposite to the first surface, a base member bonded to the second surface of the porous plate member and including a first space for introducing at least positive pressure into a central region of the second surface and a second space for introducing at least negative pressure into a peripheral region of the second surface, a negative pressure supply configured to supply negative pressure to the second space of the base member and absorb and hold the semiconductor chip by the porous plate member, and a positive pressure supply configured to supply positive pressure to the first space of the base member and deform the semiconductor chip into a convex shape.

Provided are an X-ray imaging device comprising a camera and a method for operating same. The X-ray imaging device may input an image obtained by using a camera to an artificial intelligence model, thereby recognizing and tracking a portable X-ray detector from the image, and may perform an operation according to an auto tracking function of the portable X-ray detector for automatically moving the position of an X-ray tube such that the focal spot of an X-ray irradiation region is aligned on the central region of the portable X-ray detector.

The invention belongs to the technical field of image processing, and particularly discloses a face forgery detection method and system based on mask and frequency diffusion reconstruction, and the method comprises the steps: applying spatial masking to a central region of an input face image, reconstructing the masking region through a diffusion model of a mask condition, and generating a mask reconstruction image; carrying out discrete cosine transform on an input face image, decomposing the input face image into a low-frequency component and a high-frequency component, and reconstructing the low-frequency component and the high-frequency component into a frequency domain enhanced image through inverse DCT; inputting the mask reconstruction image and the frequency domain enhancement image into a detector, and learning a spatial reconstruction error and a frequency domain texture fidelity feature through a contrast learning training detector; and inputting a to-be-detected image into the trained detector to carry out face counterfeiting detection, and outputting to obtain a detection result. The method solves the problem that the existing deep forgery detection method faces severe challenges in practical application due to the limitation that the existing deep forgery detection method is special, precise and single in type but is difficult to generalize.

A separator for a fuel cell includes a rectangular plate-shaped body. The body forms passages through which gas flows. The body includes central regions and a reversing region. The central regions extend along one side of the body, and are arranged in a direction in which another side of the body that intersects the one side extends. The passages include multiple central passage sections that extend in the longitudinal direction through each central region, and a reversing passage section that extends through the reversing region and connects the central passage sections of adjacent ones of the central regions. The ribs are formed such that two or more of the central passage sections are formed in each of the central regions, and the reversing passage section in the reversing region is connected to two or more of the central passage sections in the corresponding central region.

The invention relates to the technical field of photovoltaic cells, in particular to a large-size N-type silicon wafer for a BC cell, a preparation method of the large-size N-type silicon wafer and the BC cell. The size of the large-size N-type silicon wafer is larger than or equal to 230 mm * 230 mm, the thickness of the large-size N-type silicon wafer is 90-130 microns, the edge of the large-size N-type silicon wafer is an arc chamfer, and the edge is wrapped with a SiNx layer; the large-size N-type silicon wafer comprises a central area and an edge area surrounding the central area, and the content of doped element antimony in the edge area is smaller than or equal to 1 * 10 < 15 > atoms / cm < 3 >. And the content of the doped element antimony in the central region is 1 * 10 < 16 >-5 * 10 < 16 > atoms / cm < 3 >. By arranging the edge arc chamfer, wrapping the SiNx layer and performing edge low doping, the mechanical strength can be ensured, the fragment rate can be reduced, meanwhile, edge carrier recombination can be reduced, the open-circuit voltage can be improved, and the power output of the battery can be improved.

The invention discloses an electric meter box internal fault detection device, and relates to the technical field of electric meter box internal fault detection. Comprising a shell and jaws, the two oppositely-arranged jaws are installed at the top of the shell, a pushing frame is vertically arranged on the surface of the shell in a limiting and sliding mode, two sliding tables are installed on the surface of the jaw located on the left side of the shell, sliding rods are arranged in the sliding tables in a limiting and sliding mode, and abutting rods are installed at the ends, close to the interiors of the jaws, of the sliding rods. According to the invention, through arrangement of the pushing frame, the sliding table, the sliding rod and the abutting rod, a cable can be clamped and limited when the equipment detects electric leakage of the cable in an electric meter box, and the cable is located in the central area of the jaw during detection, so that the contact position of a detection probe and the cable is ensured to be accurate and symmetrical; and the situation that the position of the unlimited cable is easy to shake due to slight touch in the detection process, so that the current magnetic field of the surrounding cable is superposed in the magnetic field of the detected cable, and the detection value jumps is avoided.