147 results about "Metallic Object" patented technology

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.

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.

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.

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.

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.

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.

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 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.

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.

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.

A metal detector detects when a target that is a desirable metal object is located within a medium. A signal is transmitted into the medium. A response signal is received from the medium. The response signal includes a secondary medium response signal from the medium and includes a secondary target response signal from the target when the target is located within the medium. The response signal is amplified to produce an amplified signal. Compensation circuitry perform transmit coil transfer function compensation on the amplified signal to produce a compensated signal. A notch module removes a resistive component of the secondary medium response signal from the compensated signal.

In aspects, techniques for detecting and discriminating foreign objects near an inductive wireless power transfer system is disclosed. The method is based on hybrid inductive and capacitive sensing. The apparatus includes a sensing system, a measurement circuit, and a controller. The sensing system senses the object based on at least one of an inductive or a capacitive effect. The sensing system includes an inductive sense element, which has an electrical characteristic that changes in a presence of the object based on the inductive effect. The sensing system further includes a capacitive sense element, which has an electrical characteristic that changes in the presence of the object based on the capacitive effect. The measurement circuit measures the electrical characteristics in the inductive and capacitive sense circuits. The controller determines the presence of the object, and discriminates between metallic and non-metallic objects based on the change in the measured electrical characteristics.

The utility model discloses a coal mine tunnel geological exploration device which comprises a mobile vehicle body, a coal mine tunnel inner cavity electromagnetic exploration unit and an outer shielding shell, in the using process of the coal mine tunnel geological exploration device, a horizontal probe is installed in a horizontal transmitting tube, and the horizontal transmitting tube can effectively reduce external interference before signals are released; the horizontal probes which are annularly and uniformly distributed effectively transmit signals, and in order to reduce interference of external metal objects in the horizontal direction, the magnetic detection module installed on the surface of the horizontal transmitting tube can detect the metal objects in the surrounding area, so that the influence of the metal objects in the surveying area on surveying data in the horizontal direction is effectively reduced; due to the fact that the included angles formed by the first launcher, the second launcher and the third launcher change, the signal launching position interval is increased, the position and the water yield property of the geological anomalous body in front can be effectively deduced through multi-angle observation, the problem that the signal position is single in the surveying process is solved, and roadway geological surveying data collection is further guaranteed.

To provide a biomass combustion system capable of preventing entry of a metallic material into combustion means.SOLUTION: A biomass combustion system includes: fuel accommodation means for storing biomass fuel; combustion means for burning the biomass fuel; and fuel supply means for supplying the biomass fuel in the fuel accommodation means to the combustion means. A magnet 81 is provided in the fuel supply means.SELECTED DRAWING: Figure 3

Provided are a systems and methods for manufacturing objects by solid freeform fabrication, especially titanium and titanium alloy objects, wherein the deposition rate is increased by using two separate heat sources, one heat source for heating the deposition area on the base material and one heat source for heating and melting a metallic material, such as a metal wire or a powdered metallic material.

The dust collector suction head accessory is used for sucking and removing garbage and comprises a main body part, a suction connecting part, a dust suction opening used for sucking the garbage and a magnetic piece, the main body part is provided with a side wall, the side wall defines an inner space of the main body part, the suction connecting part is in fluid communication with the inner space of the main body part, and the suction connecting part is in fluid communication with the inner space of the main body part. The dust collection port is located at the lower end of the dust collector suction head accessory, garbage enters the inner space of the main body part through the dust collection port, and the magnetic part is used for adsorbing metal objects during use of the vacuum dust collector and is arranged on the outer side of the side wall. When the suction head accessory of the dust collector is matched with the dust collector for use, metal objects in other garbage such as pads and carpets can be adsorbed, the risk that the metal objects are further drawn into a suction channel of the vacuum dust collector is reduced, and the problem that the interior of the vacuum dust collector is damaged due to the fact that the metal objects enter the interior of the vacuum dust collector from the suction channel is prevented.

A coating method comprising: an electrostatic coating step of electrostatically coating a metal object supported by a metal hanger grounded to the ground; and a laser irradiation step of, after removing the object from the hanger, burning out, by laser irradiation, a coating material having adhered in the electrostatic coating step to a contact portion, said contact portion being the portion of the hanger that was in contact with the object in the electrostatic coating step.　

The invention relates to a silage maize harvester metal detection method and system, electronic equipment and a storage medium. The method comprises the steps that a current voltage signal, collected by a metal detection sensor of a silage maize harvester, of a current time point is obtained; judging whether a voltage peak value in the current voltage signal is within a preset reference threshold voltage range or not; if the voltage peak value is within the reference threshold voltage range, determining the pulse width of the voltage peak value between a first pulse corresponding to the first time point and a second pulse corresponding to the second time point; and judging whether the pulse width is within a preset pulse width reference range, and if the pulse width is within the preset pulse width reference range, determining that the metal object is detected. According to the method, a voltage peak value and pulse width dual judgment mechanism is adopted, the reasonable recognition threshold value is determined in combination with different metal sample characteristics, and high-precision real-time detection of the metal foreign matter in the feeding device is achieved.

1. Name of the designed product: metal detector. 2. Use of the designed product: for detecting metal objects. 3. Design points of the designed product: in shape. 4. Picture or photo best showing the design points: perspective view 1.