Abstract: A portable electronic device and a charging system are provided. The portable electronic device includes a display screen, a base, and a charging circuit. The base is connected to the display screen, to cause the display screen to rotate relative to the base. The charging circuit is disposed in the base and includes a first conductive terminal and a second conductive terminal. The first conductive terminal and the second conductive terminal are exposed on a bottom surface of the portable electronic device. The charging system further includes a power supply device. When the portable electronic device is placed on the power supply device, the first conductive terminal and the second conductive terminal come into contact with a plurality of charging electrodes, to form electrical connections to the power supply device and receive charging power.

Abstract: The present disclosure provides a power converter including a first capacitor, a second capacitor, and a power module. The first capacitor and the second capacitor are connected in series. The power module is electrically connected to the first capacitor and the second capacitor and includes a circuit board, an absorption capacitor, a primary switch circuit, a magnetic component, and a secondary circuit. The absorption capacitor, the primary switch circuit, the magnetic component and the secondary circuit are disposed on the circuit board. A primary winding and a secondary winding of the magnetic component are electrically connected to the primary switch circuit and the secondary circuit respectively.

Abstract: A camera assembly includes a time-of-flight module and a circuit board. The circuit board is provided with an avoidance space. The time-of-flight module includes a transmit module and a receive module. The transmit module is configured to emit a detection optical signal. The receive module is configured to receive an induction optical signal formed after the detection optical signal is reflected by a to-be-measured object. The receive module is located in the avoidance space. A connection end of the receive module is fixed to the circuit board. The transmit module is located around the receive module and fixed to the circuit board.

Abstract: A charging compartment system and relates to a technical field of charging device, the charging compartment system includes a charging module for charging a low-power battery; a driving module for moving a battery out of or into the charging compartment; a controller electrically connected with both the charging module and the driving module. The charging compartment system further includes a detection module for detecting whether a fully charged battery is picked by a user after being moved out of the charging compartment for a period of time, if the fully charged battery is not picked, the driving module moves the fully charged battery into the charging compartment, and if the fully charged battery is picked, the controller prompts that the charging compartment is an empty charging compartment. The disclosure has technical effect that the charged battery can be ejected, and users can save time and labor when picking the battery.

Abstract: A charging cabinet system includes a power supply system, a controlling and displaying system, and a plurality of charging compartments. The power supply system is connected with the controlling and displaying system. The charging compartment is connected with both the power supply system and the controlling and displaying system. The charging compartment includes: a charging module for charging a low-power battery; a driving module for moving the battery out of the charging compartment or moving the battery into the charging compartment; a detection module for detecting whether a fully charged battery is picked by a user after being moved out of the charging compartment for a period of time; and a controller connected with the charging module, the driving module and the detection module, and connected with the controlling and displaying system. The technical effect of the disclosure is that it can effectively prevent the battery from being lost.

Abstract: A method for accelerating diffusion magnetic resonance imaging (MRI) acquisition via slice interleaved diffusion encoding (SIDE) includes conducting a plurality of simultaneous multislice (SMS) excitations for each of a plurality of SIDE diffusion-weighted volumes to obtain SMS images of an MRI subject at different diffusion orientations, regrouping the images into slice groups with different orientations, generating a plurality of slice-undersampled diffusion weighted volumetric images of the subject, wherein each of the plurality of slice-undersampled diffusion weighted volumetric images is produced by cyclically interleaving the slice groups, such that each slice group is associated with a different diffusion wavevector, and reconstructing a full diffusion-weighted volumetric image of the subject by providing the plurality of slice-undersampled diffusion weighted volumetric images to a neural network trained to produce full diffusion-weighted volumetric versions of diffusion magnetic resonance images from

Abstract: A head-mounted viewable device which includes a display configured to display and project a virtual scene image to a user's eye, a VR optical lens configured to construct an optical path between the display and the user's eye for allowing a virtual scene image being observed by the user's eye, and, an eye-tracking system configured to detect a sight direction of the user's eye and adjust a display position of the virtual scene image based on the detected sight direction. The eye-tracking system includes at least one light source configured to project the detection light and a receiving module configured to receive the reflected detection light reflected to determine the sight direction of the user's eye. The receiving module is positioned at a side of the VR optical lens and arranged to face towards the user's eye such that the detection light reflected by the user's eye is directly received by the receiving module.

Abstract: A head-mounted viewable device includes a display configured to display and project a virtual scene image to a user's eye, a VR optical lens configured to construct an optical path between the display and the user's eye for allowing a virtual scene image being observed by the user's eye, and an eye-tracking system configured to detect a sight direction of the user's eye and adjust a display position of the virtual scene image based on the detected sight direction. The eye-tracking system includes at least one light source configured to project the detection light and a receiving module configured to receive the reflected detection light reflected to determine the sight direction of the user's eye. The receiving module is positioned at a side of the VR optical lens and arranged to face towards the user's eye such that the detection light reflected by the user's eye is directly received by the receiving module.

Abstract: A metal-shell battery includes: a cell including a metal housing and an electrode assembly sealed in the metal housing; a first conductive sheet; and a second conductive sheet. The metal housing includes a first surface. An electrode post is disposed protrusively on the first surface and is insulated from the metal housing. Two electrodes of the electrode assembly are electrically connected to the electrode post and the metal housing respectively. One end of the first conductive sheet is connected to the first surface. One end of the second conductive sheet is connected to the electrode post. A circuit board is connected to the other end of the first conductive sheet and the other end of the second conductive sheet respectively. |S1-S2|?1 mm, S1 and S2 are distances between the first surface, and the one end and the other end of the circuit board respectively.

Abstract: The present invention relates to a method for controlling a bus current of a brushless DC electric motor, comprising: obtaining currents of three phases of a stator; converting the currents of the three phases to a direct-axis current and a quadrature-axis current; based on the direct-axis current, the quadrature-axis current and an efficiency ratio of the electric motor, determining a bus current of the electric motor, wherein the efficiency ratio corresponds to a present operating condition of the electric motor. The method does not need to introduce shunt resistors on the bus, and also enables closed-loop control of bus current.

Abstract: Embodiments of the present disclosure provide a transfer plate, a method for manufacturing a display panel, and the display panel. The transfer plate is configured to form an alignment film of a display panel. The display panel includes a display region and a light signal transmission region. The transfer plate includes a bottom plate and a protruding plate fixed to the bottom plate. The protruding plate includes a first area corresponding to the light signal transmission region, a first protruding structure is disposed in the first area, and a shape of the first protruding structure is adapted to a shape of the light signal transmission region.

Abstract: The present application provides an array substrate and a liquid crystal display panel. The array substrate includes: a substrate including a display area and a light-transmitting functional area; a buffer layer disposed on the substrate and covering the display area and the light-transmitting functional area; a thin film transistor array layer disposed on the buffer layer, the thin film transistor array layer is provided with an aperture, and the aperture and the light-transmitting functional area are aligned with each other; and a support filling structure disposed in the aperture.

Abstract: The present invention relates to a crystal form of a compound of formula (I), which acts as a PI3K? inhibitor, and a preparation method therefor, and the use thereof in the preparation of a medicine for treating solid tumors.

Abstract: A storage system includes solid-state storage devices and a storage controller operatively coupled to the solid-state storage devices, the storage controller including a processing device, the processing device to receive, from a solid-state storage device of the solid-state storage devices, an indication of an occurrence of triggering event associated with data stored at a first data block of the solid-state storage device. In response to receiving the indication of the occurrence of the triggering event, a second data block of the solid-state storage device is identified for storage of the data. A command in transmitted to the solid-state storage device that includes address information associated with the second data block of the solid-state storage device for storage of the data, wherein the command causes the solid-state storage device to program the data to the second data block.

Abstract: An activity tracker includes a device that includes a sensor component, a radio, a housing, and a removable portion. The sensor component is configured to obtain bicycle route information based on one or more sensors. The radio is configured to wirelessly communicate the bicycle route information to a remote computing device. The housing includes at least a portion of the sensor component and the radio. The removable portion includes a battery. The removable portion and the housing, when coupled, create a watertight seal to protect electronic components of the device.

Abstract: An activity tracker includes a device that includes a sensor component, a radio, and a mounting member. The sensor component is configured to obtain bicycle route information based on information from one or more sensors. The sensor component detects pedal proximity and calculates a pedal rotation speed based on data provided by an integrated pedal cadence sensor. The radio is configured to wirelessly communicate the bicycle route information to a remote computing device. The mounting members are for mounting the device to a bicycle frame.

Abstract: The disclosure provides a human laryngeal model for simulation of endoscopic guided injection laryngoplasty surgery and for an insertion of a syringe containing a fluid. The human laryngeal model includes a laryngeal body, a seat body, and a vocal cord. The seat body is mounted to the laryngeal body. The seat body has an accommodation space. The vocal cord includes a plate and at least one bag body. The plate is stacked on the seat body, the bag body is fixed to the plate and located in the accommodation space of the seat body, and the bag body has a storage space. The vocal cord is configured for the insertion of the syringe to allow the syringe to inject the fluid into the storage space of the bag body. In addition, the disclosure also provides a human head and neck model including the human laryngeal model.

Abstract: A camera assembly includes an infrared laser system, a camera, a flicker detector, and a light-filtering piece. The infrared laser system has an out-light surface. Infrared emitted by the infrared laser system propagates outside of the camera assembly through the out-light surface. The out-light surface of the infrared laser system, an in-light surface of the camera, and an in-light surface of the flicker detector face a same direction and are staggered from each other. The light-filtering piece covers the in-light surface of the flicker detector and is configured to filter out infrared. The flicker detector is configured to detect a frequency of visible light in external light filtered by the light-filtering piece. When the camera assembly is applied to an electronic device, photographing performance of the electronic device is good.

Abstract: An endoscope device, comprising: a disposable flexible lens sheath (1), a reusable endoscope body (2), and a disposable sterilization jacket (3). The endoscope body (2) can be received in the flexible lens sheath (1) from an endoscope receiving structure (11) of the flexible lens sheath (1). The sterilization jacket (3) is mounted at an entrance of the endoscope receiving structure (11), so as to isolate the endoscope body (2) from the outside. A light source component (4) is provided near a front end of the flexible lens sheath (1). The endoscope body (2) is provided with a conductive component (5). A rear end of the endoscope body (2) is connected to a power cord (7). The endoscope device can avoid or reduce problems caused by sterilization and disinfection, and can also avoid astigmatism and reflection.

Abstract: A rigid endoscope device comprises a disposable endoscope body structure (2), a disposable antibacterial line mechanism (3) and a reusable camera mechanism (1). A light source (5) is provided near the front end of the endoscope body structure (2). The endoscope body structure (2) is integrated with or separated from the antibacterial line mechanism (3). The camera mechanism (1) can be linearly inserted into the endoscope body structure (2) from the rear end of the endoscope body structure (2). The antibacterial line mechanism (3) can be linearly connected to the rear end of the endoscope body structure (2) and seals at the rear end of the endoscope body structure (2), such that the camera mechanism (1) inside the endoscope body structure (2) is isolated from the outside. In the rigid endoscope device, a reusable camera mechanism (1) is isolated from the external environment and is not in contact with people, thereby effectively ensuring a sterile state thereof.