97 results about "Metallic Object" patented technology

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.

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.

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 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.

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.

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.

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.

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.

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.

Provided are systems and methods for regulation of mass flow and monitoring of volumetric flow, for regulation of volumetric flow and monitoring of mass flow, and for regulation of both mass and volumetric flow of gas to a plasma torch for wire-plasma arc additive manufacturing processes, and methods for manufacturing metal objects by additive manufacturing using one or more of the systems.

The disclosed MMW wave sensing camera calibration arrangement that generally includes a millimeter wave camera that uses an energy emission calibration panel as a calibration standard. The MMW camera is positioned opposite the calibration panel in the MMW camera's field-of-view. The calibration panel is held at a constant temperature to provide a standard emission of millimeter waves that is sensed by an MMW sensor to set or otherwise calibrate the MMW camera to a baseline emissivity value corresponding to the panel. The MMW camera is linked to a microprocessor and non-transient computer memory containing a calibration routine that is configured to reset the baseline only when nothing obstructs the calibration panel's field-of-view. A visual display is linked to the MMW camera and configured to display an MMW signature of a metal object that is disposed on a person's body when the person's body is in the field-of-view, the metal object concealed by clothing worn over the person's body.

Mobile tank for a heat exchange liquid bath and installation comprising said tank. The invention relates to a mobile tank (1) for a heat exchange liquid bath in which at least one elongated metallic object is submerged, this tank being movably supported on guide means (9) parallel to the direction of displacement (5) and comprising a bottom (2), side walls (3, 4) and at least one upstream dike (6) and at least one downstream dike (7) over which the heat exchange liquid overflows directly into the same underlying basin (1), a liquid inlet, and a circulation system (12) that is fixedly attached to the outside of the mobile tank so as to be able to move completely with it within the underlying basin and that directly carries the heat exchange liquid present in the underlying basin (10) to the aforementioned liquid inlet.

This invention is related to a process for purification of metallic objects comprising an oil-adsorbing step in the presence ofa liquid anda layer silicate component.

The present invention relates to an induction heating apparatus for heating a metal object by a resonant circuit that generates a magnetic field for heating the metal object, wherein the resonant circuit comprises at least one coil, the coil being supported so as to be displaceable in the vertical direction, and includes an energy supply device for supplying electrical energy to the resonant circuit, an adjustment device for adjusting the position of the coil along the vertical direction, and a sensor device for detecting the geometric profile of the metal object on the side of the metal object corresponding to the coil, wherein the working range of the sensor device is positioned in front of the coil with respect to the transport direction of the metal object, and includes a control device for open-loop and / or closed-loop control of the vertical position of the coil, the control device is data-connected to the sensor device, and the induction heating apparatus is characterized in that the control device is configured to adjust the minimum distance between the metal object and the coil, taking into account the geometric profile of the metal object.

The present disclosure concerns printable refractory compositions, more particularly ceramic-based pastes for three-dimensional printing of molds for additive metal casting, that are based on inorganic binders having several, temperature dependent polymerization states, to permit improved adhesion between stacked mold regions in an additive printing process utilizing compositions of the present disclosure.

The invention provides wood chip and wood board processing dust recycling equipment, and relates to the technical field of wood chip dust recycling. The wood chip and wood board processing dust recycling equipment comprises a moving shell, the upper end of the moving shell is fixedly connected with a first precipitation cylinder, the first precipitation cylinder is used for precipitating and adsorbing metal objects or blocky objects mingled in chippings, and the side face of the first precipitation cylinder communicates with a collecting end through a pipeline; the upper end of the first precipitation cylinder is connected with a second precipitation cylinder through a pipeline. According to the wood chip and wood board processing dust recycling equipment, by means of the centrifugal force of the cyclone conical barrel, the structural partition of the separation cylinder and the auxiliary effect of the stirring mechanism, graded separation and classified storage of wood chips with different particle diameters are achieved, the recycling requirements of subsequent different fields are met, and the wood resource utilization rate is increased; the wood chip recycling device solves the problem that the recycled wood chips cannot be directly used for circular processing and utilization due to the fact that a single recycling device cannot separate wood chip particles with different diameters.

The application discloses a kind of anti-blocking magnetic separation devices, including conveying line, hopper, magnetic separation cylinder and sorting cylinder, conveying line is used to convey the object containing metal and having winding characteristics non-metallic object;Hopper has feed inlet, discharge port and drop port, feed inlet and discharge port are isolated with drop port by baffle, hopper is connected with rack and makes feed inlet and the end of conveying belt link;Magnetic separation cylinder is rotatably arranged on hopper or rack and located at the end of conveying belt, magnetic separation cylinder is a power roller driven by conveying belt, for the metal in magnetic separation object, object under the magnetic separation of magnetic separation cylinder, metal and non-metal in object respectively from drop port drop and discharge port discharge;Sorting cylinder is rotatably arranged in hopper, for cleaning the non-metallic object with winding characteristics hanging on baffle, so as to effectively avoid non-metallic object with winding characteristics block in the drop port of metal.

The invention relates to a method for treating bulk material made of predominantly metal objects, having the steps of carrying out a process of individualizing objects in a supply step (S3), wherein the individualizing process leads to a substantially one-dimensional arrangement of individual parts one behind the other with a minimum spacing between one another that corresponds to the time interval required by an analysis system to analyze an object for a given supply speed; carrying out an X-ray fluorescence analysis (XRF analysis) or a laser-induced breakdown spectroscopy (LIBS) of individual objects provided in the supply step by means of an analysis system in an analysis step (S4); ascertaining the material composition of the individual objects of the analysis step in an evaluation step (S5); and carrying out a subsequent treatment step (87) in which the ascertained material composition of the individual objects is used as the basis for the subsequent treatment.

A method of buried metal object detection is described, which includes generating RF signal in a radio frequency module, supplying RF signal to a ground penetrating radar, scanning the ground penetrating radar over an area comprising buried metal objects, and detecting a buried metal object using anomalous phase response measured in the reflected signals.

To detect the degree of damage in the depth direction of a metal body to be inspected with high accuracy.SOLUTION: A metal body inspection device including a magnetic detection unit having a magnetic sensor unit, a distance detection unit, and a controller connected to the magnetic detection unit and the distance detection unit, the metal body inspection device being installed in a moving body that moves relative to a metal body to be inspected, the metal body inspection device comprising: The distance detection unit detects a movement distance of the moving body with respect to the metal body, the magnetic sensor unit includes a first oscillation coil, a second oscillation coil, and a reception coil and is disposed so as to face the metal body, the reception coil is disposed between the first oscillation coil and the second oscillation coil, the first oscillation coil and the second oscillation coil are configured to generate alternating magnetic fields in directions opposite to each other, the alternating magnetic field is a rectangular wave or a ramp wave, and the reception coil detects a leakage magnetic flux generated from the metal body excited by the alternating magnetic field.SELECTED DRAWING: Figure 3