Abstract: A display apparatus and an electronic device are disclosed. The display apparatus comprises a first display region and a second display region adjacent to each other, wherein the second display region comprises a plurality of regular-shape first pixel sets and at least one second pixel set conformal to an edge of the second display region, and the second pixel set is adjacent to the first display region; and each first pixel set comprises a first number of second pixels connected in parallel, each second pixel set comprises a second number of second pixels connected in parallel, and the second number is less than the first number.

Abstract: A cigarette device includes a housing, and a loading cavity, an airflow sensor, a circuit control unit, and a power supply are disposed in the housing. A fluid channel is located between the loading cavity and the housing, and the fluid channel is in communication with the outside of the housing and the inside of the loading cavity. An electromagnetic induction heating element surrounds the outside of the loading cavity; and the electromagnetic induction heating element is electrically connected to the power supply, and the circuit control unit is electrically connected to the airflow sensor and the electromagnetic induction heating element. When the cigarette device is used in combination with a cigarette added with a magnetic material, the cigarette can be heated uniformly and generate vapor quickly, to ensure a consistent vaping taste and improve utilization of tobacco while achieving immediate vaping and immediate stopping, which helps improve user experience.

Abstract: A LED illumination system includes a signal inputting module, a driving module, a switch module, an illumination module, a sampling module, and a control module. The signal inputting module receives a selection signal that corresponds to one specific color temperature and generates a first voltage signal based on the selection signal. The driving module generates a driving signal based on a color temperature adjusting signal. The switch module includes a plurality of LED control units whose activation status that the illumination module responds to illuminate. The sampling module samples the output current of the switch module and generates a second voltage signal correspondingly. The control module receives the first voltage signal and the second voltage signal and generates a control signal correspondingly. And the control module relays the control signal. The switch module additionally controls its illumination status based on the driving signal and the control signal.

Abstract: A converter system includes a switch adapted to be coupled to an inductor, and configured to switch between first and second states responsive to a loop control signal. Calibration circuitry is configured to operate in first and second control modes, provide a calibration voltage in the first control mode, and store the calibration voltage in the second control mode. In a first instance of the first control mode, the calibration voltage is based on a difference between a feedback voltage and a reference voltage. In a second instance of the first control mode, the calibration voltage is the stored calibration voltage from the second control mode. A comparator is coupled to the switch and the calibration unit, and is configured to provide the loop control signal based on a combination of at least the feedback voltage, the reference voltage, the calibration voltage, and a periodic signal.

Abstract: This invention provides a rack apparatus, a delivery carriage and the automated storage and distribution system thereof. In the rack apparatus, there are only two racks at both sides of the rack apparatus extending in a generally vertical direction. And in the carriage, there are only two driving wheels. Therefore, both the rack apparatus and the carriage simplify the structure of the rack apparatus and the carriage and reduce the installation accuracy and the failure points thereof, but still provide new improvements to keep the carriage body horizontal with the ground.

Abstract: A multiple-input multiple-output (MIMO) communication system that addresses three major challenges in airborne MIMO communications, namely, antenna blockage due largely to the movement and orientation of the airborne platforms, the presence of unknown interference inherent to the intended application, and the lack of channel state information (CSI) at the transmitter. The system is implemented on a Diagonal Bell-Labs Layered Space-Time (D-BLAST) MIMO architecture and includes spatial spreading to counter antenna blockage, temporal spreading to mitigate signal to interference and noise ratio degradation due to intended or unintended interference, and a simple low rate feedback scheme to enable real time adaptation in the absence of full transmitter CSI.

Abstract: This invention provides a rack apparatus, a delivery carriage and the automated storage and distribution system thereof. In the rack apparatus, there are only two racks at both sides of the rack apparatus extending in a generally vertical direction. And in the carriage, there are only two driving wheels. Therefore, both the rack apparatus and the carriage simplify the structure of the rack apparatus and the carriage and reduce the installation accuracy and the failure points thereof, but still provide new improvements to keep the carriage body horizontal with the ground.

Abstract: A method and system for estimating open circuit voltage of lithium ion batteries with temperature input, that has the following steps: step 1 the undetermined equation for estimating open circuit voltage with temperature input is derived according to the gas-liquid dynamic model; step 2: the estimation equation parameters are identified according to the experimental data and put into the undetermined equation for estimating open circuit voltage in the step 1 to obtain a complete equation for estimating open circuit voltage; step 3: the method for estimating open circuit voltage with temperature input is designed according to the complete equation for estimating open circuit voltage.

Abstract: A hybrid image based on different tissue specimen images is generated to compensate for blood and other fluids that interfere with imaging. Specimen is deposited into tray with fluid. X-ray and camera imaging devices acquire images of specimen and fluid. X-ray and optical images are processed for generation of hybrid image. Transparency modifications allow for multiple and different images to contribute to depiction of specimen edges or boundaries that would otherwise appear less clear in x-ray image due to interfering fluid. Transparency modifications in hybrid image also provide for sufficiently high transparency in certain optical image portions that would otherwise be opaque so that objects of interest depicted in x-ray image but not optical image are visible.

Abstract: A gas-liquid dynamic model-based accurate lithium-ion battery SOC estimation method, the gas-liquid dynamic model being a cylindrical closed container, a pipe and a valve that can be opened or closed being mounted at the top of the container, a liquid having a volume of Vw being held in the cylindrical container, and the remaining volume, V, being the volume of a gas having a pressure of P. According to the accurate SOC estimation method, a model, different from conventional RC equivalent circuit model and electrochemical model, is established from the perspective of a gas-liquid coexistence system. The method comprises the following steps: setting up an ideal gas state equation, a gas continuous motion equation, a gas-liquid dissolution equilibrium equation, etc.

Abstract: The present disclosure provides a mobile terminal and a system for controlling a laser projector. The system includes a first drive circuit, a second drive circuit, a microprocessor coupled to the first drive circuit, and an application processor. The first drive circuit is configured to output an electrical signal to the laser projector. The second drive circuit is configured to supply power to the first drive circuit. The application processor is configured to, read a preset signal from the microprocessor, and power off the second drive circuit to power off the first drive circuit and the laser projector, or send a reset signal for restarting the microprocessor to the microprocessor, in response to that the application processor cannot read the preset signal.

Abstract: Provided are a method for fingerprint recognition, an electronic device, and a non-transitory computer-readable storage medium. The method is applicable to the electronic device. The method includes the following. An image of a user's finger placed on a fingerprint collecting region of a display screen of the electronic device is collected as an original fingerprint image. A corrected fingerprint image is obtained according to the original fingerprint image and a predetermined foreign material image, where the predetermined foreign material image is obtained when the user's finger is not placed on the fingerprint collecting region and indicative of a foreign material on the fingerprint collecting region. Determine whether a match between the corrected fingerprint image and a pre-stored fingerprint image exists by comparing the corrected fingerprint image with the pre-stored fingerprint image. The electronic device is triggered to perform a preset action in response to that the match exists.

Abstract: A calibration method, an electronic device, and a non-transitory computer-readable storage medium are provided. The calibration method is applicable to an electronic device including a fingerprint sensor. The calibration method includes the following. Fingerprint collection is performed with the fingerprint sensor to obtain a first fingerprint image. A first numerical value is determined according to the first fingerprint image, a first calibration image, and a second calibration image, where the first numerical value is indicative of a change in brightness of a light source for the fingerprint collection, the first calibration image is an image obtained by performing image collection on a bright surface of a calibration box, and the second calibration image is an image obtained by performing image collection on a dark surface of the calibration box. The first fingerprint image is calibrated according to the first numerical value to obtain a second fingerprint image.

Abstract: A light apparatus for generating a mixed light output. The light apparatus includes multiple LED modules. Each LED module includes multiple LED regions. The multiple LED regions have separate electrodes. The multiple LED regions share the same package housing but at least two LED regions are covered with different fluorescent layers for emitting lights with different optical characteristics.

Abstract: A LED lighting apparatus includes a housing, a bulb shell, a driver plate, a light source plate, and a driver circuit. The bulb shell is connected to the housing. The bulb shell and the housing form a container space. The driver plate is set in the container space. The light source plate is set in the container space. The light source plate includes a base plate and a light emitting component on the base plate. The driver circuit includes a rectifier circuit and a constant current driver chip which are electrically connected to each other. The rectifier circuit is set on the driver plate. The constant current driver chip is set on the light source plate.

Abstract: A method and device for estimating an open circuit voltage of a battery based on a gas-liquid dynamic model, includes the following steps: deriving an undetermined equation for estimating the open circuit voltage according to a gas-liquid dynamic model; identifying the estimation equation parameters according to experimental data; designing a method for estimating the open circuit voltage according to the complete equation for estimating open circuit voltage and calculating to obtain an estimated value of the open circuit voltage. The estimation equation of open circuit voltage includes the battery temperature.

Abstract: The present disclosure provides a method, an apparatus, an electronic device, and a storage medium of performing a split-screen display. The method is applied to the electronic device, and includes monitoring amplitude of rotation between the first screen area and the second screen area when detecting the foldable screen is in an unfolded state and a target interface is displayed on at least one of the first screen area and the second screen area; determining a first interface and a second interface according to the target interface when detecting the amplitude of rotation is within a preset amplitude range; displaying the first interface on the first screen area; and displaying the second interface on the second screen area.

Abstract: A control system (30) for a laser projector (10), a terminal (100) and a control method for the laser projector (10) are provided. The control system (30) includes a first driving circuit (31), a microprocessor (35) and an application processor (33). The first driving circuit (31) is connected with the laser projector (10). The first driving circuit (31) is configured to drive the laser projector (10) to project laser. The microprocessor (35) is connected with the first driving circuit (31). The application processor (33) is connected with the microprocessor (35). The application processor (33) is configured to send a control signal to the microprocessor (35) according to a distance between a human eye and the laser projector (10). The microprocessor (35) controls the first driving circuit (31) according to the control signal to enable the laser projector (10) to project laser according to a predetermined parameter.

Abstract: Embodiments of the present disclosure provide a system for controlling a camera component, the camera component is applicable for an electronic device, and the system may include a first processing unit and a target processing unit. The target processing unit is configured to control the camera component. The first processing unit is configured to determine whether the target processing unit writes data to the first processing unit in accordance with a preset time interval, and when the target processing unit does not write data to the first processing unit over the preset time interval, change an operating state of the camera component and/or control the electronic device to restart.

Abstract: A voltage converter system includes a switch configured to operate in first and second states. Compensation circuitry is configured to provide: a certain reference voltage as a reference voltage when the switch has the second state; and a compensated reference voltage as the reference voltage when the switch has the first state. Control circuitry is configured to switch the switch between the first and second states based on the reference voltage and a feedback voltage generated based on an output voltage of the voltage converter system.