Abstract: Provided are a chassis ear apparatus and a mounting method thereof. The chassis ear apparatus includes a shell, wherein a chassis ear seat is detachably mounted on a back surface of the shell, and the chassis ear seat is configured to be fixed to a rack after a server is installed into the rack; a printed circuit board is arranged at a front surface of the shell, the printed circuit board is installed from the front surface of the shell and is detachably mounted on the chassis ear seat, and the printed circuit board is connected to a mainboard inside the server via a signal cable; and the signal cable penetrates through a gap between the shell and the chassis ear seat and is inserted into a cable socket on a front surface of the printed circuit board from the front surface of the shell.

Abstract: A swimming pool cleaner is provided, which includes a housing, a travelling device and a filter screen, two groups of power components with opposite driving directions are provided inside the water outlet chamber, the power component includes an impeller and a water outlet channel, wherein the water outlet channel includes a spiral portion and a linear flowing portion which are sequentially communicated, the linear flowing portion is connected with the water outlet, and the linear flowing portion deflects to the outer side in the spiral direction of the spiral portion, a steering stressed portion is formed at the junction of the linear flowing portion and the spiral portion, and the water outlet is in communication with an outside of the housing and faces towards a direction that is opposite to the travelling direction of the travelling device.

Abstract: An image segmentation method system, the system comprising: a training subsystem configured to train a segmentation machine learning model using annotated training data comprising images associated with respective segmentation annotations, so as to generate a trained segmentation machine learning model; a model evaluator; and a segmentation subsystem configured to perform segmentation of a structure or material in an image using the trained segmentation machine learning model. The model evaluator is configured to evaluate the segmentation machine learning model by (i) controlling the segmentation subsystem to segment at least one evaluation image associated with an existing segmentation annotation using the segmentation machine learning model and thereby generate a segmentation of the annotated evaluation image, and (ii) forming a comparison of the segmentation of the annotated evaluation image and the existing segmentation annotation.

Abstract: An intelligent detection system includes an image module, a target detection module, and a physical model processing module. The target detection module runs a scanning mode on the target object and controls the image module to capture target images of the target object with different physical properties under the scanning mode. The scanning mode is allowed to be based on luminescence or thermal radiation emitted by variation of time, voltage, current, or illumination. The physical model processing module receives the target images and carries out an image stacking process with each target image based on different physical properties, generating a detection result image through physical formula of electronic circuit in cooperation with a chromaticity coordinate diagram.

Abstract: A sensing device and a manufacturing method thereof are provided. The sensing device includes a substrate, a first electrode layer, a first sensing layer, a first dielectric layer, a second electrode layer, a second sensing layer, a second dielectric layer, and a capping layer. The first electrode layer is disposed on the substrate. The first sensing layer is disposed on the first electrode layer and has a plurality of holes. The first dielectric layer is disposed on the first sensing layer. The second electrode layer is disposed on the first dielectric layer. The second sensing layer is disposed on the second electrode layer. A material of the second sensing layer is different from a material of the first sensing layer. The second dielectric layer is disposed on the second sensing layer. The capping layer is disposed on the substrate.

Abstract: A manufacturing method of a package-on-package structure includes placing a lower package on a tape, where conductive bumps of the lower package are in contact with the tape; and bonding an upper package to the lower package, where during the bonding, the conductive bumps are pressed against the tape so that a curvature of the respective conductive bump changes.

Abstract: The present invention discloses a plant-based self-degradable gel diverting agent and a preparation method therefor. The preparation method comprises the following steps: adjusting a pH of a formaldehyde solution, adding urea in three batches, heating and stirring, adding furfural in the process of adding a second batch of urea until a plant-based urea-formaldehyde resin is obtained through the reaction, completely dissolving starch in water, uniformly stirring to obtain a gelatinized starch solution, adding the plant-based urea-formaldehyde resin, adding a curing agent, and uniformly stirring, mixing and curing to obtain a product. The resin plugging agent is a liquid homogeneous system and has a low initial viscosity; the system is particle-free, can enter tiny slits; and the gel temporary plugging agent does not need to be added with a gel breaker at a temperature of 100-180° C., the temporary plugging agent can be completely degraded.

Abstract: A swing-up motion method of a robot includes: receiving a swing-up motion instruction; controlling, in response to the swing-up motion instruction, first leg parts of a robot to be in a suspended state, performing a leg retraction movement of the first leg parts, and at the end of the suspended state, placing first mechanical wheels on knee joints of the first leg parts on the ground; and controlling second leg parts of the robot to be suspended and keeping stable in a balanced state by using the first mechanical wheels as force-bearing balance points.

Abstract: Provided are a control circuit (100), a circuit board assembly, and a battery (200) parallel system. The control circuit (100) is disposed between a battery (200) and a busbar (300), and the control circuit (100) comprises an acquisition unit (1), a control unit (2), and a current-limiting circuit (3). The control unit (2) is used to start timing when the current of a positive electrode of the battery (200) is greater than a preset threshold, and after the duration of the voltage of the positive electrode of the battery (200) greater than a first preset threshold is greater than a preset time, reduces the current of the positive electrode of the battery (200) by means of controlling the current-limiting circuit (3), until the current of the positive electrode of the battery (200) is less than or equal to the preset threshold.

Abstract: Provided are a determination method and apparatus of a main shaft bearing state, an electronic device, and a storage medium. The method includes the following steps: Bearing swing data of a target main shaft bearing at multiple moments within a preset time period are acquired; at least one current data period and current-period bearing swing data in each current data period are determined according to the multiple pieces of bearing swing data; a first abrupt change value and a second abrupt change value are determined according to the current-period bearing swing data in each current data period; and a main shaft bearing state of the target main shaft bearing is determined according to the first abrupt change value and the second abrupt change value.

Abstract: A method of manufacturing a meniscus lens includes providing an optical lens substrate having a non-planar deposition surface and depositing a resinous layer over the deposition surface to form the lens. Such a printed lens may have a radius of curvature of less than approximately 80 mm, sag of from approximately 2 mm to approximately 20 mm, a maximum thickness of less than approximately 40 mm, and a minimum thickness variation of at least approximately 2 mm.

Abstract: Computer-implemented methods for performing automated pre-processing of data for a machine-learning based prediction system are provided. Aspects include receiving a plurality of raw data sets, receiving a plurality of processed data sets, wherein each of the plurality of processed data sets corresponds to one of the plurality of raw data sets, and generating a plurality of pre-processing templates based on the plurality of raw data sets and the processed data set. Aspects also include receiving an input data set, generating, for each of the plurality of pre-processing templates, a matching score for the input data set, and selecting one of the plurality of pre-processing templates based on the matching score. Aspects further include pre-processing the input data set using the selected pre-processing template and providing the pre-processed input data set to the machine learning based prediction system.

Abstract: This invention describes a packaging structure for roll-type (wound-type) aluminum conductive polymer capacitor element. Two protective substrates are applied to sandwich a roll-type capacitor element in between with an insulating material surrounding the capacitor element also in between the protective substrates. The protective substrates comprise electrically separated anodic conductive pad and cathodic conductive pad on their surfaces and through holes that pass through the conductive pads. The capacitor element is oriented with its axis perpendicular to the two substrates. The anodic and cathodic leads of the capacitor element pass through the through holes. An anodic external terminal is plated over the anodic conductive pad and a cathodic external terminal is plated over the cathodic conductive pad so that the anodic external terminal is electrically connected to the anodic lead and the cathodic external terminal is electrically connected to the cathodic lead.

Abstract: This invention describes packaging structures and methods for electronic devices, especially for solid electrolytic capacitor devices. A packaging structure applies at least two protective substrates to sandwich one or multiple capacitor elements stacked together in between with an insulating material surrounding the capacitor elements also in between the protective substrates. Each protective substrate comprises an anodic conductor pad and a cathodic conductor pad. The anodic conductor pad is electrically connected to an external anode terminal, which is in turn electrically connected to the tip face of the anode end of the capacitor element. The cathodic pad is electrically connected to the cathode of the capacitor element as well as to an external cathode terminal.

Abstract: Embodiments of the present disclosure relate to a coprocessor, a host processor, a crash detection method and an electronic device. In this method, the coprocessor sends a handshake request to the host processor capable of running an operating system. The host processor performs an operation triggered by the handshake request. The host processor sends a positive response to the handshake request to the coprocessor if the operation is performed successfully; and the host processor sends, to the coprocessor, a negative response to the handshake request or no response if the operation is performed successfully. The coprocessor monitors a response to the handshake request from the host processor and determines a detection result of hardware crash associated with the operating system at least based on a monitoring result of this response.

Abstract: This application provides a display apparatus and an electronic device. A transparent dielectric layer is added to the display apparatus, metal is deposited on the transparent dielectric layer, to form a metal grid, and a part of the metal grid is used as a radiator of an antenna structure. After an antenna is integrated into the display apparatus, through optimization of an optical design, the metal grid may meet a requirement for optical transmittance, and display effect is not obviously affected. In addition, because the antenna structure is integrated into the display apparatus, coverage space of a wireless signal is increased. This avoids occurrence of a signal blind region, so that the electronic device has a more reliable connection in a millimeter-wave band, to meet a communication requirement.

Abstract: A slot cover and an integrated circuit access device having the slot cover are provided. The slot is used to be removably inserted into a slot of an electronic device and includes a frame, a positioning portion, an engaging portion, and at least one conductive elastic plate. The frame includes a center sheet, a first-side sheet configured to connect to an integrated circuit access module, and a second-side sheet. The first-side sheet and the second-side sheet are respectively located at a first side and a second side of the center sheet. The positioning portion and the engaging portion are respectively located above and below the center sheet. The at least one conductive elastic plate is disposed at the second-side sheet. When the slot cover is inserted in the slot of the electronic device, the center sheet blocks an opening of the slot.

Abstract: An observation carrier includes a bottom base, a lower cover, an upper cover, and a rotation cover. The bottom has at least one first positioning portion. The lower cover has at least one second positioning portion, and at least one third positioning portion. The lower cover is detachably disposed on the bottom base and positioned with the first positioning portion through the second positioning portion. The upper cover has at least one fourth positioning portion and is detachably disposed on the bottom base. The upper cover is positioned with the third positioning portion through the fourth positioning portion. An observation region is formed between the upper cover and the lower cover. The rotation cover is detachably disposed on the bottom base to limit the upper and lower covers on the bottom base. The rotation cover is adapted to rotate to be locked or released by the bottom base.

Abstract: An calibration kit includes a base, a combination of calibration parts, and a manipulation part. The combination of calibration parts is disposed on the base and includes a first calibration part and a second calibration part. The first calibration part has a first calibration surface. The second calibration part has a second calibration surface. The first calibration part and the second calibration part are relatively movable in a movement direction and are movable relative to the base. The manipulation part is movably or rotatably disposed on the base. The manipulation part is configured to be operable to drive the first calibration part and the second calibration part to move in the movement direction relative to the base, so that the combination of calibration parts forms a three-dimensional calibration surface configuration through the first calibration surface and the second calibration surface.

Abstract: A data encryption and decryption system and a data encryption and decryption method for the same are provided. The system includes a memory controlling circuit and an encryption and decryption circuit. In write operation, the encryption and decryption circuit executes an encryption algorithm on write address to obtain first seed data, executes a first scrambling process on initial write data to generate first scrambled data, and executes a second scrambling process on the first scrambled data according to common seed data, so as to generate encrypted write data. The memory controlling circuit writes the encrypted write data into a memory unit according to the write address.