187 results about "Metallic Object" patented technology

A method for detection and measurement of metallic objects such as rebars embedded in a concrete building structure, with emitting an electro-magnetic sensor signal and measuring an inductive response signal at different sensing positions at the surface of the structure, thereby measuring the sensing positions in such a way that the response signal is position determined. The detection of objects and determination of their depths and / or diameters is based on AI models which evaluate the response signal.

The invention discloses a nuclear magnetism safety interval confirmation device, and the device comprises a quantum noise suppression module which is used for eliminating radar signal noise caused by the quantum tunneling effect on the surface of a metal object in an ultrahigh field intensity environment; the multi-sensor fusion center is used for integrating the radar cleaning signal, the real-time magnetic field intensity data and the terahertz penetrability detection result to generate fused object position information; the dynamic magnetic field reconstruction engine is used for calculating a magnetic field distortion gradient by analyzing Hall sensor array data and a magnetohydrodynamic model in real time; the nonlinear danger scoring module is used for receiving object distance, magnetic field gradient, existence time and object classification data; the hierarchical response system is used for triggering a corresponding response according to the danger score; and the cesium atomic clock synchronization module is used for eliminating a timing error caused by a time crystal effect through a block chain timestamp verification mechanism. According to the invention, risk closed-loop control in a high-field-intensity MRI environment is truly realized.

The invention discloses a DDPM-based CT image metal artifact elimination method, and aims to solve the artifact problem caused by a metal object in an existing CT image and improve image quality and diagnosis reliability. A diffusion model of unconditional training is adopted, step-by-step back diffusion repair of an artifact area is carried out in a sinogram domain, an unrepaired area is dynamically adjusted by combining with a metal mask, accurate repair of the artifact area is achieved, and original data of the area which is not affected by artifacts are kept. In the training stage of the system, artifact-free data are gradually converted into standard Gaussian noise through forward diffusion; in the inference stage, data are gradually recovered by utilizing back diffusion, block repair is carried out on an artifact region by combining with a metal mask, and a complete sinogram is generated through region merging. And finally, reconstructing a CT image by using a filtered back projection algorithm, and optimizing boundary transition through a smoothing algorithm to ensure seamless connection between the metal object and surrounding tissues.

An enamel rating process that aids determination of the location of a defect in a lacquer coating of a metal can by connecting the can to at least one contact of an external circuit; inserting an electrode into the can; filling the can with an electrolyte while applying a voltage to the electrode; and sensing any current flowing through the external circuit during filling of the can; wherein the level of the electrolyte upon sensing of a predetermined level of current flow is determined to identify the location of the defect.

The disclosure concerns printable refractory compositions, more particularly ceramic- based pastes for 3D printing of molds for additive metal casting. In particular, the present disclosure concerns composition for forming mold regions having modified thermal conductivity and dissipation and increased release of gaseous products therefrom during heating to mitigate mechanical failure risks in an additive casting process of metal objects.

A metal hybrid manufacturing apparatus includes a melted metal drop ejecting device and a metal deposition device. The melted metal drop ejecting device is operated to form perimeters of layers in a metal object being formed by the system. The metal deposition device is operated to fill interior portions of the layers.

The invention discloses a quality monitoring method and device for a metal surface treatment process, equipment and a medium, and belongs to the technical field of computers. The method comprises the following steps: acquiring surface three-dimensional data of a metal object; according to the surface three-dimensional data and cladding parameters, target position data after cladding is determined; in the process of carrying out laser cladding on the metal object, actual position information after cladding and surface regularity information after cladding are obtained; and identifying whether the actual position information is consistent with the target position information or not so as to carry out quality monitoring on the cladding thickness, and identifying whether the surface regularity information after cladding accords with the target regularity or not so as to carry out quality monitoring on the cladding regularity. According to the technical scheme, real-time monitoring and multi-dimensional quality evaluation in the cladding process can be achieved, reworking is reduced, and the timeliness and comprehensiveness of cladding quality monitoring are improved.

The utility model relates to a needle inspection device for producing and processing pillow interiors and quilt interiors, which comprises a conveying belt, a needle inspection mechanism for performing needle inspection and positioning on the pillow interiors and the quilt interiors is arranged on the right side of the upper surface of the conveying belt, a classification mechanism for cleaning the pillow interiors and the quilt interiors containing foreign matters is arranged on the left side of the back surface of the conveying belt, and the needle inspection mechanism comprises a fixing frame. According to the needle inspection device for pillow inner and quilt inner production and processing, the needle inspection mechanism is arranged, a shielding cover, a metal detector, a scanning cover, an X-ray scanner and the like are matched with one another, various detection technologies including the metal detector and the X-ray scanner are applied, foreign matter or metal objects possibly existing in pillow inner and quilt inner can be comprehensively and accurately detected, and the detection accuracy is improved. And the X-ray has perspectivity and can scan the existing position of the foreign matter, and the foreign matter is displayed through the display screen, so that a worker can quickly find and clean the foreign matter, comprehensive and accurate detection of the pillow inner and the quilt inner can be realized, the product quality is ensured, and the safety of consumers is guaranteed.

A surgical robotic system includes a robotic arm having an instrument with a pair of opposing jaws configured for grasping, and an instrument drive unit configured to couple to and to actuate the instrument. The system also includes a surgeon console having a handle controller configured to control the robotic arm and the instrument. The system further includes a controller configured to: receive an electrical property of the opposing jaws; receive an angle of the opposing jaws; determine whether the opposing jaws are grasping a metallic object; and adjust a gripping force of the opposing jaws based on the determination.

The invention relates to a method and device for solving the surface current of a three-dimensional metal object under electromagnetic wave irradiation, and the method comprises the steps: building a target metal subdivision model corresponding to a target three-dimensional metal object and the graph structure data expression of the surface current; constructing a graph neural network solver corresponding to the joint integral equation of the target three-dimensional metal object based on the graph structure data expression, generating training data of the graph neural network solver based on a preset moment method strategy, and training the graph neural network solver through the training data; and inputting the to-be-solved metal subdivision model and a plurality of preset plane wave excitation parameters into the trained graph neural network solver so as to calculate the surface current corresponding to the target three-dimensional metal object through the trained graph neural network solver. Therefore, the problem that an existing electromagnetic solver based on a neural network cannot process a non-uniform grid form is solved.

Disclosed herein is a hand-held underwater dredge integrated with a metal detector, designed for locating and retrieving metallic objects from aquatic environments. Equipped with a suction-generating electric pump and powered by an onboard battery to enable operation while fully submerged, the dredge features a pipe system leading to a catch can that captures metal items while expelling the water drawn into the pipe system by the generated suction. In operation, users scan a riverbed, seabed, or lakebed using the metal detector. Once a metal item is detected, the user places the suction end of the pipe system over the metal item and activates the electric pump to start the suction, leading to capture of the metal item in the catch can for retrieval. This streamlines the process of underwater treasure hunting, combining detection and collection into a single user-operated system.

The present disclosure relates to a cooling device for heat treatment that performs heat treatment by cooling individually or as a whole a heated metal object. The cooling device for heat treatment includes: a chamber to which a plurality of objects is charged through one open side thereof; an individual cooling unit configured to be provided in the chamber, to individually cover the object, and to spray a cooling medium onto the object; and a driving unit configured to be provided on the chamber and to move the individual cooling unit in an up and down direction. With this configuration, it is possible to obtain a required cooling capacity by cooling individually or as a whole a heated metal object.

A method for generating a magnetic resonance (MR) image in the presence of an interventional device that induces distortions is provided. The method includes using a processor to perform steps that include accessing a distorted MR image of a subject with the interventional device arranged in the subject. The steps also include using the distorted MR image to determine parameters of a set of spatially differentiable functions that describe an estimated position of the interventional device in the subject. The steps further include determining a magnetic susceptibility map based on susceptibility properties of the interventional device and the estimated position of the interventional device. The steps also include generating a simulated MR image by modifying a reference image of the subject based on the magnetic susceptibility map and updating the estimated position using the simulated MR image to generate an updated position of the interventional device in the subject.

A method of fabricating a three-dimensional single, multiple, and gradient metallic object includes mixing a photocurable resin with or dissolving anhydrous metal salt powder to form a metal salt resin, receiving a digital model of the metallic object, receiving a mask image video of the digital model, the mask image video comprised of a collection of two-dimensional mask images that each represent a cross-sectional area of the metallic object, projecting the mask image video and a light beam into a tank containing the metal salt resin, and printing the metallic object with the metal salt resin from the tank as a build platform positioned above the tank moves upward, wherein each cross-sectional area of the metallic object is selectively cured with the light.

A method for producing a component made of an aluminum sheet with a thickness from 0.05 to less than 0.08 mm and with a region which is curved and which is made of a pot-shaped blank. The method has at least the following steps: a drawing process in steps and a conical drawing process, wherein prior to the drawing process, a stamped piece is stamped from the flat sheet metal, and is shaped into the pot-shaped blank, the free circumferential edge being expanded in a conically curved manner; a circumferential radial flange and an axial cylindrical edge region are formed during the conical drawing process; and this is followed by a drawing process in which the expanded conical section is folded to a folded expanded section for a form-fitting connection, and the edge region and the expanded section are rolled in order to form a rolled edge.

The objective is to provide a painting method that enables the reuse of hangers used in electrostatic painting in a short time and at low cost. [Solution] A painting method comprising: an electrostatic painting step of electrostatically painting a metal object to be painted supported by a metal hanger grounded to earth; and a laser irradiation step of, after removing the object to be painted from the hanger, burning off the paint that adhered to the contact portion of the hanger that was in contact with the object to be painted in the electrostatic painting step by irradiating it with a laser.

Metal artifacts are reduced in x-ray computed tomography (“CT”) images using a suitably trained neural network, such as a convolutional neural network (“CNN”). Virtual metal DATA objects are inserted to either the raw projection data or CT image data (e.g., from pre-procedural CT scans) to generate sets of matching artifact-corrupted and artifact-uncorrupted images, and a CNN, or other neural network, is trained to separate the contribution to each image pixel due to patient anatomy, metal object, or metal object-induced artifact. The contributions from metal object-induced artifacts can then be removed to generate a final, artifact-reduced image.

A system for detecting forbidden objects worn or carried by individuals includes a metal detector having at least three transducers arranged on either side of a passage, two of these transducers being positioned on the one same side of the passage and spaced apart longitudinally in the direction of travel through the passage, while the third transducer is positioned on the opposite side of the passage so that the three transducers are available in combination to perform spatial discrimination of the location of the metallic objects detected.

The invention discloses an image metal artifact removal method and device, a storage medium and electronic equipment. The method comprises the following steps: acquiring a first image containing a metal artifact; performing image recognition on the first image to obtain an estimated metal type to which the metal object belongs and an estimated time length; and performing simulation by using the estimated metal type and the estimated time duration to obtain the interference of an object of the estimated metal type in the estimated time duration in the imaging process of the first image, and performing spontaneous movement or propagation from a high-concentration area to a low-concentration area. A simulation virtual image generated by polluting the first video image; and performing artifact removal processing on the first image by using the simulation virtual image to obtain a second image. The method can be applied to the field of image processing. The technical problem that the metal artifact removing effect of the image is poor is solved.

The present invention relates to vibration correction. A vibration artifact suppression method 100 includes: a) step 110 of reconstructing a three-dimensional image of an object of interest based on projection data acquired by an X-ray imaging system; b) step 120 of determining whether the reconstructed three-dimensional image includes a metal object; and c) step 130 of performing a vibration correction method based on a metal object segmented in the reconstructed three-dimensional image in response to the determination that the reconstructed three-dimensional image includes a metal object; or c2) step 140 of performing a vibration correction method based on an object of interest segmented in the reconstructed three-dimensional image in response to the determination that the reconstructed three-dimensional image does not include a metal object. Using the vibration artifact suppression method, the number of iterations is significantly reduced, resulting in a significant speedup of the overall reconstruction time.

1. The name of this design product: Metal Detector. 2. Purpose of this design product: This design product is used as an alarm device for detecting metal objects. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model relates to the technical field of welding mechanisms, and discloses a protective welding mechanism for machining, which comprises a workbench and a fixing component, the fixing component is arranged at the top of the inner side of the workbench through a formed groove, a protective box is arranged at the top of the workbench, a limiting box is arranged at the bottom of the workbench, and a storage component is arranged in the limiting box. Through the fixing assembly and the storage assembly, metal needing to be welded can be fixed through the fixing assembly, a motor drives a threaded rod to rotate so that a threaded block can drive a metal object to move into a protection box, and an electromagnetic sliding block is connected with a power source so that the electromagnetic sliding block can drive a welding head to move on a moving guide rail; splashed liquid metal can fall into a storage box through an inverted hopper A and an inverted hopper B so as to be recycled, the liquid metal can be prevented from splashing and causing potential safety hazards through a protection box, and the movable guide rail can be cooled through a water cooling pipe so as to be prevented from being damaged due to the fact that the temperature of the movable guide rail is too high.

The invention relates to a device (1) for detecting metal objects (2) in and on articles (3) moving relative to the device (1), comprising a transmission device (10) for producing a magnetic alternating field at multiple working frequencies using a transmission coil (7), a receiving device (11) for detecting the magnetic alternating field influenced by the moving articles (3) using at least one receiving coil (8, 9) and outputting a received signal based on the detected magnetic alternating field, a filter device (14) for filtering partial signals, each of which is associated with one of the working frequencies, out of the received signal, and an analysis device (13) for analyzing the partial signals. For each of the partial signals associated with one of the working frequencies the filter device (14) carries out a band-stop filtering process with respect to all of the other working frequencies.

A three-dimensional (3D) metal object manufacturing apparatus is configured to eject melted metal drops from an ejector head at different velocities to form different portions of metal object layers with different measurable values of a same physical property. The different velocities are achieved by operating the ejector head with two different electrical voltages. The greater voltage that achieves the higher velocity is about 25% greater than the voltage used to achieve the lesser velocity. By operating the ejector head with the two different voltages different portions of the object can be formed with different physical property characteristics.

The invention belongs to the field of metal object oxidation data judgment methods in the electroplating process, and particularly relates to an information judgment method in the metal object oxidation process in the electroplating process. The method comprises the steps of firstly collecting oxidation process information and identifying an oxidation abnormity type; then selecting a key reference index, and obtaining feature data; and arranging the data by using the performance index matrix, and carrying out normalization processing through a minimum-maximum standardization method. And further setting a standard performance index matrix, and calculating the cosine similarity between the target matrix and the standard matrix to identify the oxidation anomaly. Through systematic data analysis, automatic monitoring of the oxidation process is achieved, and the production efficiency and the reliability of metal objects in the electroplating process are improved.

A pod assembly magnetically mounts to any ferromagnetic metallic object using a particularly shaped magnet, and includes: a mounting member, a container portion, and a strip. The container is formed of a plurality of walls creating a cavity to house sanitizing wipes, which are access through an opening formed in one wall. The strip releasably adheres to the container portion to seal and unseal the opening, to house the sanitizing wipes in a waterproof manner. The mounting member includes a web, a frame, and a magnet. The frame extends away from the web and includes a plurality of stiffeners. A recess may be formed by one of the stiffeners and / or a recess in the web, being usable to house the magnet, which magnet has a particular peripheral shape that matches the depth and shape of the recess. The container portion is mounted to the flat side of the web.

The salvage device comprises a device shell, a bottom adsorption mechanism is arranged on the outer surface of the lower end of the device shell, left and right adjusting hanging rings are arranged on the two sides of the upper end of the device shell, a device top cover is arranged on the outer surface of the upper end of the device shell, and a hanging ring is arranged on the outer surface of the upper end of the device top cover. A lifting rope limiting mechanism is arranged on the outer surface of the upper end of the lifting ring and comprises a mounting frame, a limiting frame, a limiting pulley, a lifting rope penetrating pipe and a limiting groove. According to the fishing device, by arranging the lifting rope limiting mechanism and the bottom adsorption mechanism, the situation that a main lifting rope and a left-right adjusting lifting rope are mutually wound to affect use of the device can be avoided, people can conveniently control the left-right adjusting lifting rope to conduct left-right fine adjustment on the device, and then the stability of the bottom of the device can be improved; salvaged metal objects can be adsorbed, and the overall salvage efficiency of the device is improved.

The invention discloses a radiology department protective door system with an alarm function, relates to the technical field of radiation protective doors, and provides the following scheme that the radiology department protective door system comprises a protective door mechanism, a radiation alarm is arranged above the front side surface of the protective door mechanism, and a surrounding type metal detection mechanism is arranged on the rear side end face of the protective door mechanism. According to the technical scheme, the radiation alarm with the sound-light alarm function is arranged on the outer side of the protective door leaf, and the radiation quantity monitor is arranged on the inner side of the protective door leaf in a clamped mode, so that after the radiation quantity monitor monitors the radiation quantity in a radiation department, the radiation alarm provides sound-light alarm prompts for patients waiting outside the door; the patient outside the door is prevented from being affected by radiation; secondly, a tunnel leading to a radiology department room is designed on the rear side of the door frame, a surrounding type metal detection mechanism is arranged in the tunnel, and metal object detection is conducted on a shaft body before a patient enters radiation detection.

1. The name of the design product: aviation scissors. 2. The use of the design product: the design product is used for cutting iron sheet, wire mesh, aluminum sheet and non-metallic objects. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

RFID tags for use on a non-planar surface of an object, packaging around the object, or a metallic object, and methods of making and using thereof are disclosed. For 3D objects, the method comprises forming an antenna on the non-planar surface and positioning a reactive RFID strap in proximity to the antenna. The reactive RFID strap can induce a far field antenna response, wherein coupling can occur via electric fields, magnetic fields, or both. For metallic objects, an antenna is formed on the surface of a substrate. An RFID chip or strap is attached and the clip component cut. The clip components can be modified to help secure the clip component to the metallic item by adding surface deflections, adhesive fixing points, or tabs designed to engage with an existing hole or opening in the metallic item package or object.