6484 results about "Electric devices" patented technology

A scheduling method for managing network congestion includes: determining, in response to link congestion in a network, a plurality of queue pairs (QPs) on a congested link in the network; determining, from the plurality of QPs on the congested link, a target QP for scheduling out from the congested link; determining a target traffic-forwarding path based on traffic of links in the network, the target traffic-forwarding path being configured for forwarding traffic of the target QP; determining a changed route of the target QP based on a target address of the target QP and the target traffic-forwarding path; and delivering the changed route to a target source local area network access (LA) device of the target QP, the target source LA device being configured to output, based on the changed route, the traffic of the target QP through the target traffic-forwarding path.

A method for synthesizing a video is provided. The method includes obtaining a shared motion latent code corresponding to a motion between frames of the video by inputting an input frame to a first encoder, obtaining a first latent representation by inputting the input frame to a second encoder to reduce a resolution of the input frame, and predicting, by using a trained neural network model, a next frame from the input frame based on the shared motion latent code and the first latent representation.

A display screen includes a first display area, which is provided with a first pixel unit array, and a second display area, which is provided with a second pixel unit array, wherein the pixel density of the first display area is less than that of the second display area, the first display area includes a first sub-area and a second sub-area, and the second sub-area is connected to the first sub-area and the second display area; and the display screen further includes a pixel driving unit array, which is arranged in the second sub-area, wherein each pixel driving unit respectively drives each first pixel unit, a first number of rows of pixel driving units are arranged corresponding to a second number of rows of first pixel units in a row extension direction, and the first number is greater than the second number. Also disclosed is an electronic device.

The invention relates to the technical field of graphic rendering, in particular to a user interface element rendering method and system, electronic equipment and a storage medium. The method comprises the following steps: sampling a symbol distance field value in a symbol distance field texture for a screen pixel in a to-be-drawn element; acquiring a local change rate of the symbol distance field value in a screen pixel coordinate system so as to acquire the anti-aliasing width of the screen pixel, and acquiring the first transparency of the screen pixel in combination with the symbol distance field value; sampling a basic color value and original transparency of a screen pixel in the main texture; carrying out additional sampling on the screen pixels in the main texture along the asymmetric direction to obtain a plurality of sampling colors; obtaining the final color value of the screen pixel according to the basic color value of the sampling color, and obtaining the final transparency of the screen pixel according to the first transparency and the original transparency; and rendering the to-be-drawn element according to the final color value and the final transparency. The invention provides a stable, clear and smooth user interface element rendering solution.

The invention discloses a multi-constraint path planning method and device based on intelligent heuristic search, and is suitable for a mobile robot in a complex and narrow environment. According to the method, a multi-source sensor is used for environment perception and fusion mapping, and a grid map is generated; a neural heuristic search algorithm based on a Mama structure and a selective state space model (Selective SSM) is adopted on the cost map, and a guide graph is generated; a continuous and collision-free initial path is generated through self-adaptive step size control in combination with robot kinematics constraints and channel characteristics; further establishing a multi-target constraint model based on a robot center Euclidean symbol distance field (RC-ESDF), and executing path smoothing and safety optimization by using a priori-guided particle swarm optimization algorithm (Prior-guided PSO) to obtain an optimal path meeting dynamic consistency; the system corrects the path in real time through a closed-loop feedback mechanism and triggers dynamic re-planning, so that the path feasibility, safety and real-time adaptive capacity of the robot in a limited environment are remarkably improved.

The embodiment of the invention discloses a heating method of parallel battery packs, electronic equipment and an energy storage system. The method comprises the steps of detecting a connection state of an external power supply and a parallel battery pack; when it is detected that the external power supply is connected, whether all slave battery packs in the parallel battery packs have heating requirements or not is judged; a plurality of heating gears are preset from the battery pack, each heating gear corresponds to one heating power, and the heating gears are sequenced according to the heating power; according to a preset priority, a heating instruction is sent to the to-be-heated battery pack, so that the to-be-heated battery pack is heated; switching a heating gear of the to-be-heated battery pack based on the relationship between the feedback data of the to-be-heated battery pack and the input energy of the external power supply; after adjustment of the heating gear is completed, heating is conducted for preset time; and after heating is completed, the steps are circulated. According to the embodiment, the slave battery pack is controlled through the main battery pack, the heating gear is dynamically adjusted, and the heating efficiency and the energy utilization rate of the battery pack can be improved.

An electronic device includes a display panel including a pixel. The pixel includes a first light emitting element, a second light emitting element, and a pixel circuit unit. The pixel circuit unit includes a first switching circuit electrically connected to the first light emitting element and applying a driving current to the first light emitting element in response to a first switching signal activated in a first mode, and a second switching circuit electrically connected to the second light emitting element and applying the driving current to the second light emitting element in response to a second switching signal activated in a second mode. The duration of active periods of the first switching signal and the second switching signal gradually increases or decreases during a predetermined period based on a mode switching time point.

The invention relates to a UTE-LSTM-SA-based community user charging load prediction method, an electronic device and a medium, and the method comprises the steps: obtaining multi-source data, the multi-source data comprises community user behavior data, environment data and power data, the community user behavior data comprises commuting distance, travel time and user type labels, and the environment data comprises the environment data and the power data; the environment data comprises temperature data and weather data, and the power data comprises historical charging load and time-of-use electricity price; constructing multi-dimensional features based on the multi-source data, wherein the multi-dimensional features comprise commuting association features, time scene features, external influence features and abnormal value correction features; constructing a community user charging load prediction model based on a UTE-LSTM-SA prediction framework and the multi-dimensional features; and solving the community user charging load prediction model based on constraint conditions to obtain a community user charging load prediction result. According to the method, the commuting distance, the environment temperature and the time-of-use electricity price characteristics are fused, the charging load in the next 24 hours is predicted through the customized deep learning model, and the prediction precision is improved.

An electronic device includes a device housing configured as a cover for an electrical box, a power adaptor to receive power from components within the electrical box, and an ultra-wideband component powered by the power adaptor. The ultra-wideband component communicates with at least one electronic device to perform an ultra-wideband ranging process. A method involves capturing images of another electronic device within the environment, determining the location of the other electronic device using ultra-wideband ranging, creating a visual depiction of the environment and the device's location, and presenting this depiction on a user interface. The system enhances smart home applications by integrating ultra-wideband technology into light switch and outlet covers, providing precise location tracking and continuous operation without battery replacements.

An electronic device includes a casing, a first sound-emitting device and a second sound-emitting device. The first sound-emitting device includes a basket, a vibration system and a magnetic circuit system. The vibration system includes a diaphragm and a voice coil. The magnetic circuit system includes a magnetic bowl, a magnetic unit and an auxiliary magnetic. The first sound-emitting device further includes an upper shell and a front cavity. The first sound-emitting device further includes a first elastic damping member. The diaphragm, the magnetic bowl, the basket and the first elastic damping member are sealed and enclosed to form a first rear cavity, and the first sound-emitting device, the second sound-emitting device and the casing are enclosed to form a second rear cavity. The sound-emitting device of the present invention with good vibration damping effect, high frequency response sensitivity and better acoustic performance.

The invention belongs to the technical field of electronic circuits, and provides a low-dropout linear voltage stabilizing circuit, a low-dropout linear voltage regulator, a power supply device and electronic equipment. The low-dropout linear voltage stabilizing circuit comprises a bias module, an input module, an intermediate stage module, an output module, a first compensation module and a second compensation module, the intermediate stage module is connected with the input module, the output module, the first compensation module, the second compensation module and the bias module, and the output module is connected with the input module, the first compensation module and a load. The input module is connected with the bias module. According to the application, the first zero point which is positively correlated with the load current and irrelevant to the output voltage is generated through the first compensation module, namely, the first zero point can be increased along with the increase of the load current, is reduced along with the reduction of the load current, and is not influenced by the output voltage; therefore, the tracking compensation of the load current is realized, and the purpose that the tracking compensation effect does not change along with the output voltage is achieved.

A battery pack including a housing having an interface for receiving an electronic device. A cell carrier is positioned with the housing. The cell carrier includes a plurality of openings. Each of the openings are configured to receive one of a plurality of battery cells. The battery pack further includes a weld strap having a plurality of contact elements configured to be electrically coupled to an electrical terminal of each battery cell. A panel is positioned between the weld strap and the cell carrier. The panel configured to align the electrical terminals of each battery cell within the respective openings.

Battery cell, including: a case; and an electrode assembly located inside the housing, wherein the electrode assembly comprises a positive electrode plate, a negative electrode plate and a separator film, the separator film being arranged between the positive and the negative electrode plates, where The negative electrode plate comprises a negative electrode current collector and a negative electrode film layer located on at least one side of the negative electrode current collector. The negative electrode film layer comprises an active material of the negative electrode. The negative electrode film layer comprises a first negative electrode film layer located away from the negative electrode current collector and a second negative electrode film layer located near the negative electrode current collector. The first negative electrode film layer comprises a first active material of the negative electrode, and the second negative electrode film layer comprises a second active material of the negative electrode.The first active material of the negative electrode contains a silicon-based material and a carbon-based material, the second active material of the negative electrode contains a carbon-based material, and the mass fraction of the silicon element in the negative electrode film layer is 0.5% to 6%. The separator film comprises a base film, a first porous coating on the side of the base film facing the negative electrode plate, and a second porous coating on the side of the base film facing the positive electrode plate. Both the first and second porous coatings contain filler particles.

An electronic device having a substrate employing reduced area, added metal pad(s) to a metal interconnect(s) to reduce air voids in a solder joint and related fabrication methods are disclosed. The electronic device includes a die that has die interconnects coupled to a first metal pad(s) of a respective metal interconnect(s) of a metallization layer of the substrate through a second, additional metal pad(s). To facilitate a reduction in air voids in the solder joint between the die and the first metal pad(s) and consequently the amount of solder between the first metal pad and the die, the second, additional metal pad(s) having a reduced cross-sectional area from the first metal pad(s) is above and adjacent to the first metal pad(s). A solder joint(s) is employed to couple the second, additional metal pad(s) to a die interconnect(s) of the die to couple the die to the substrate.

The invention relates to a simulation method of a semiconductor device, electronic equipment and a computer readable storage medium. The method comprises the steps that the current position of a particle is determined in a simulation area of the semiconductor device, the simulation area comprises a local expansion area, and the local expansion area comprises at least one complete virtual lattice; the motion of the particle is simulated using the local expansion region based on the current location of the particle. According to the embodiment of the invention, the physical precision of ion / particle implantation simulation can be favorably improved.

A columnar secondary battery includes an electrode assembly. The electrode assembly includes a negative electrode plate. The negative electrode plate includes a negative current collector. A surface of the negative current collector facing away from a winding center of the electrode assembly is coated with a first negative electrode material layer. Along a length direction of the negative electrode plate unwound and along a winding direction of the electrode assembly, the first negative electrode material layer includes a first section and a second section connected sequentially. Based on a length of the first negative electrode material layer, a length of the first section accounts for 9% to 75%, and a length of the second section accounts for 25% to 91%. A plurality of first stripes are provided on the first section, and a plurality of second stripes are provided on the second section.

The invention provides a lens group, an optical system and electronic equipment. The lens group comprises a first lens group, a second lens group and a third lens group, and the first lens group comprises a first lens to a fourth lens; the second lens group comprises fifth to eighth lenses; the third lens group includes ninth to thirteenth lenses. 0.86 < = f5 / T45 < = 4.55; 2.65 < = F910 / (CT9 + CT10) < = 3.52; f11 / F1213 is larger than-2.75 and smaller than-1.50, f5 is the effective focal length of the fifth lens, T45 is the air interval between the fourth lens and the fifth lens on the optical axis, F910 is the combined focal length of the ninth lens and the tenth lens, CT9 is the center thickness of the ninth lens, CT10 is the center thickness of the tenth lens, f11 is the effective focal length of the eleventh lens, and F1213 is the combined focal length of the twelfth lens and the thirteenth lens. The lens group can obtain a high-quality telephoto imaging effect.

1. The name of the design product: vehicle-mounted wireless charger (2B523). 2. The use of the design product: clamped in the air outlet of a car and used for charging electronic devices. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

A method for protecting a battery of an electronic device including a plurality of batteries, includes: measuring a total current (Itotal) value output from a charging module while the plurality of batteries are charged via the charging module; detecting a first current (I1) value output to a first battery via a current limiter; calculating a difference between the total current (Itotal) value and the first current (I1) value to estimate a second current (I2) value transferred to a second battery without passing through any current limiter, where the first battery and the second battery are included in the plurality of batteries; and controlling, based on the estimated second current (I2) value, a current of the second battery, which has the second current (I2) value, by controlling opening / closing of a switching module included in a protection circuit module of the second battery.

This application relates to batteries with an asymmetric design. At least some batteries described herein include two sections having different shapes and / or sizes, thus having different volumes. Having a battery formed with a relatively larger sections allows for several advantages. For example, the larger section can accommodate bending of a tab used to connect several electrodes together. Additionally, with the larger section providing space for the bent tab, the electrodes can be extended in, for example, the relatively smaller section. As a result, the battery can provide additional energy storage.

A method for flotation foam image segmentation, comprising: on the basis of a clustering algorithm, clustering a first flotation foam image to obtain an internal mark area, and, on the basis of the internal mark area, processing the clustered first flotation foam image to obtain a second flotation foam image; reconstructing the second flotation foam image to obtain a gray scale reconstruction image; performing eight-connected-region marking and unknown-region marking on the second flotation foam image to obtain a target marked map; and by using the target marked map as mark points of a watershed segmentation algorithm, segmenting the second flotation foam image to obtain the contour of each flotation foam.

The invention provides an elevator indicator light state determination method, electronic equipment and a medium. The method comprises the steps that current video data, N physical sensor data and N environment sensor data are obtained; inputting the current video data into a preset model, and obtaining a first state of an elevator indicating lamp in each video image, a corresponding first confidence coefficient and a detection frame of the elevator indicating lamp through the preset model; according to all the physical sensor data, the second state of the elevator indicating lamp and the corresponding second confidence coefficient are determined; determining the feature matching degree of the physical features and the video features based on a first algorithm according to the physical features and the video features; determining an attention weight of a preset Bayesian model based on a second algorithm according to the first state, the second state, the first confidence coefficient, the second confidence coefficient, the feature matching degree and the environment feature; and inputting the visual features, the physical features and the like into the Bayesian model.

Provided are an audio playing module and an audio processing circuit thereof, and an electronic device, which belong to the technical field of electronics. In the audio processing circuit, by adding a feedback control circuit between a power circuit and an audio amplifier, the feedback control circuit can control, according to a change in the amplitude of an audio signal received by the audio amplifier, the power circuit to adjust a power supply voltage provided for the audio amplifier. Thus, when the amplitude of the audio signal changes, an appropriate power supply voltage can be matched for the audio amplifier by means of the feedback control circuit, thereby solving the problem of the audio playing module generating whistling when the amplitude of the audio signal changes, and thus optimizing the sound quality of played sounds.

The invention provides a positive plate, a battery and electronic equipment. The positive plate comprises a positive current collector and a positive active layer positioned on at least one surface of the positive current collector; the positive electrode active layer comprises a first positive electrode active layer and a second positive electrode active layer which are sequentially stacked in a direction far away from the positive electrode current collector; the first positive electrode active layer comprises a first positive electrode active material, and the first positive electrode active material comprises lithium manganese iron phosphate and a lithium oxide compound; the second positive electrode active layer comprises a second positive electrode active material, and the second positive electrode active material comprises a lithium oxide compound and nickel cobalt lithium manganate. When the positive plate is applied to the battery, the battery is not easy to generate gas during high-temperature storage, so that the safety performance of the battery is improved.

A positive electrode active material that enables an increased discharge capacity retention rate of cycling performance is provided. A secondary battery includes a positive electrode pressed under a linear pressure higher than or equal to 100 kN / m and lower than or equal to 3000 kN / m and a negative electrode. When a test battery that includes the positive electrode and a negative electrode containing lithium undergoes, in an environment at higher than or equal to 25° C. and lower than or equal to 45° C., a cycling test of 50 repetitions of a cycle of charging and discharging in which, after constant current charging is performed at a charge rate of 0.5 C (1 C=200 mA / g) until a voltage of 4.7 V is reached, constant voltage charging is performed until the charge rate reaches 0.05 C at a voltage of 4.7 V, and then constant current discharging is performed at a discharge rate of 0.5 C until a voltage of 2.5 V is reached, and the discharge capacity of the battery is measured in each cycle, a discharge capacity value measured in the 50th cycle is greater than or equal to 35% and less than 100% of the maximum discharge capacity value in all the 50 cycles.

The application relates to 3D display technology, and discloses a method for realizing 3D image display, which comprises the following steps: detecting the posture change of a 3D display device, wherein the 3D display device comprises a multi-view naked-eye 3D display screen, the multi-view naked-eye 3D display screen comprises a plurality of composite pixels and a plurality of spherical gratings covering the plurality of composite pixels, each composite pixel in the plurality of composite pixels comprises a plurality of composite sub-pixels, and each composite sub-pixel in the plurality of composite sub-pixels comprises a plurality of sub-pixels corresponding to a plurality of views; and when the posture change of the 3D display device is detected, the display orientation of the displayed 3D image is adjusted so that the 3D image remains at the initial display orientation before the posture change of the 3D display device. The disclosure solves the problem that the electronic device cannot display a suitable picture after adjusting the posture. The application also discloses a 3D display device.

An isolation ratio between a plurality of sub-pixels included in a pixel is further improved. An imaging device including a semiconductor substrate including a photoelectric conversion unit provided for each of pixels arranged two-dimensionally and a pixel isolation unit that isolates the photoelectric conversion units from each other, a color filter and an on-chip lens provided for each of the pixels on one surface of the semiconductor substrate, an inter-filter isolation unit provided to include a low refractive index material having a refractive index lower than a refractive index of the color filter between the color filters and isolate the color filter for each of the pixels, and a sub-pixel isolation unit that isolates the photoelectric conversion units of the pixels including a plurality of sub-pixels for each of the sub-pixels.

An electronic device is disclosed that includes a base layer, a pixel defining film disposed on the base layer and having a light emitting opening defined therein, a barrier rib disposed on the pixel defining film, having conductivity, and including a first portion having a first barrier rib opening corresponding to the light emitting opening and a second portion insulated from the first portion, a light emitting element disposed in the light emitting opening and including an anode, an intermediate layer disposed on the anode, and a cathode disposed on the intermediate layer and connected to the first portion, a first encapsulation layer covering the cathode, a second encapsulation layer covering the light emitting opening and the first barrier rib opening, a third encapsulation layer disposed on the second encapsulation layer, and a sensor disposed on the light emitting element and including a first sensor electrode and a second sensor electrode, wherein the sensor includes a first conductive layer disposed between the second encapsulation layer and the third encapsulation layer and a second conductive layer disposed on the third encapsulation layer, and the first conductive layer is electrically connected to the second portion through the first encapsulation layer.