19561 results about "Electric devices" patented technology

To enable detection of temperature rise of electronic equipment disposed in a battery pack due to radiation heat in an exhaust passage.SOLUTION: A battery pack 50 disposed on the underfloor of a hybrid vehicle 1 includes: a battery stuck 55 where battery cells are laminated; a battery ECU51 and a monitoring unit 52. A temperature sensor 53 fitted to a flue gas passage 94 is disposed at a position between the battery ECU51 and the monitoring unit 52, and an exhaust pipe 21. The temperature sensor 53 is disposed between the battery ECU51 and the monitoring unit 52, and the exhaust pipe 21, and therefore favorably detects the temperature rise of the battery ECU 51 and the monitoring unit 52 due to radiation heat from the exhaust pipe 21.SELECTED DRAWING: Figure 2

Methods for displaying user interfaces in a computer-generated environment provide for an efficient and intuitive user experience. In some embodiments, user interfaces can have different immersion levels. In some embodiments, a user interface can have a respective immersion level based on its location in the three-dimensional environment or distance from the user. In some embodiments, a user interface can have a respective immersion level based on the state of the user interface. In some embodiments, a user interface can switch from one immersion level to another in response to the user's interaction with the user interface.

The invention provides a classroom behavior analysis method and system, electronic equipment and a storage medium, and relates to the technical field of educational informationization, and the method comprises the steps: collecting videos and audios, carrying out image enhancement, noise filtering and frame segmentation on the videos, carrying out noise reduction, sound source positioning and voice segmentation on the audios, and generating standardized images and voice sequences; an improved MTCNN cascade network is combined with a posture estimation technology, facial key points of students are extracted from videos, class arrival states, head postures and facial micro-expressions are recognized, audios are analyzed through a bidirectional LSTM network, and speaking duration and frequency are obtained; constructing individual behavior indexes according to attendance, head actions and expressions of the students; constructing an interaction index according to the teacher and student speaking data; the individual and interaction indexes are summarized to generate the multi-dimensional classroom behavior portrait, and the relation between the portrait and the teaching effect is analyzed, so that the classroom behavior analysis precision can be improved, the data processing capability can be enhanced, and the multi-dimensional classroom behavior comprehensive evaluation can be realized.

A core module and an electronic device are provided. The core module comprises a housing component, a transducer device, a vibration panel, and a face attachment component. The transducer device is disposed in the housing component. The vibration panel is connected with the transducer device. The face attachment component includes a face attachment sleeve connected with the vibration panel by a bonding medium to make the vibration panel contact a skin of a user through the face attachment component. The bonding medium is configured to allow the face attachment component to be removed from the vibration panel as a whole without damaging the face attachment component or the vibration panel. The face attachment component is detachable such that the user can easily replace the face attachment component with a new one when needed, and the face attachment component can be removed as a whole to avoid breakage.

The invention discloses a sound production device and electronic equipment, and relates to the technical field of electroacoustic transduction, a magnetic circuit system of the sound production device comprises a magnetic conductive yoke, and side magnetic parts, a common magnetic part and two central magnetic parts which are arranged on the magnetic conductive yoke, the side magnetic parts are annularly arranged to form an accommodating space, the common magnetic part is located in the accommodating space and is connected with the side magnetic parts, and the two central magnetic parts are arranged in the accommodating space. The magnetic circuit system is arranged in the containing space to divide the containing space into two installation spaces, each center magnetic part is located in one installation space, the center magnetic parts, the side magnetic parts and the common magnetic part are spaced to define a magnetic gap, the vibration system comprises a vibrating diaphragm assembly and two voice coils, the periphery of the vibrating diaphragm assembly is connected to the shell and is opposite to the magnetic circuit system, and the two voice coils are arranged side by side. One end of each voice coil is connected to the diaphragm assembly, and the other end of each voice coil is suspended in one magnetic gap. According to the sound production device, the size of the voice coil and the magnet volume of the magnetic circuit system are increased, so that the BL value is improved, and the whole machine performance and the sound effect loudness are improved.

The invention discloses a sound production device, a sound production module and electronic equipment, and relates to the technical field of electroacoustic transduction, a vibration plate of a vibration system of the sound production device comprises a first plate part and a second plate part which are located on different horizontal planes, the top of a voice coil is connected with the first plate part, and the second plate part is located on the inner side of the voice coil; a center magnetic part of the magnetic circuit system comprises a first center magnet and a second center magnet which are located on the two opposite sides of the second plate part, the first center magnet is close to the top of the voice coil, and the second center magnet is close to the bottom of the voice coil. The first center magnet and the second center magnet are magnetized in the first direction and are opposite in magnetizing direction, and the magnetic energy product of the first center magnet is larger than that of the second center magnet. According to the sound production device, the thinning design can be realized, the BL value is effectively improved, the magnetic lines are distributed more uniformly, the BLx curve is flatter, and thus the distortion is reduced.

The invention provides a method and device for scoring and questioning according to interview question answers and electronic equipment, and belongs to the technical field of artificial intelligence, in the method, multiple similarity measurement algorithms are integrated to achieve multi-angle quantitative evaluation of applicant answers, a large model scoring link based on deep learning is creatively added, and the evaluation efficiency is improved. Therefore, the language understanding depth which cannot be reached by pure mathematical calculation is compensated. According to the double-track scoring architecture, on one hand, the objectivity and the consistency of scoring are guaranteed by means of an accurate mathematical model; on the other hand, subjective understanding and interpretation of scoring are enhanced by means of a large model with high semantic analysis ability, the accuracy and comprehensiveness of evaluation are improved, the process is automatically achieved, efficiency is high, and the method can rapidly, accurately and comprehensively evaluate the applicant answers. In addition, the scoring reason and the question-asking problem given by the large model provide valuable information for mining the knowledge mastering condition of the applicant.

The invention discloses a vehicle, a driving track generation method, electronic equipment, a storage medium and a product, and relates to the technical field of intelligent driving. The method comprises the following steps: inputting bird's-eye view angle characteristics of an all-round view image of a vehicle into a computer vision model to obtain a plurality of candidate initial driving tracks; and selecting a target visual language model according to the driving instruction, generating a trajectory correction cue word according to each candidate initial driving trajectory, the look-around image, the driving state information and the driving instruction, and performing trajectory correction on each candidate initial driving trajectory by using the target visual language model. And calculating the driving cost of each candidate driving track based on different types of driving cost weight coefficients determined by the look-around image, and finally outputting the candidate driving track with the lowest driving cost as the driving track of the vehicle at the next moment. According to the invention, the problem that the track generation quality cannot meet the real demand of a user in related technologies can be solved, and the track prediction accuracy and reliability are effectively improved.

A display panel manufacturing method, a display panel and an electronic device, the display panel manufacturing method comprises: sequentially forming a pixel definition layer and an isolation layer on a driving backboard along a first direction, the pixel definition layer comprising a plurality of pixel definition structures arranged at intervals along a second direction, the isolation layer comprising a plurality of isolation columns, the isolation columns being in one-to-one correspondence with the plurality of pixel definition structures, the isolation columns being in one-to-one correspondence with the plurality of pixel definition structures, and the isolation columns being in one-to-one correspondence with the plurality of pixel definition structures; the isolation column comprises a first surface and a second surface which are oppositely arranged in the first direction, the first surface faces the pixel definition structure, and in the orthographic projection of the first direction, the second surface is located in the first surface; a first light-emitting structure is formed, the first light-emitting structure comprises a first light-emitting part and a first residual part which are spaced, the first light-emitting part is formed on the driving backboard and located between every two adjacent pixel definition structures, and the first residual part is formed on the second surface; and separating the isolation layer from the pixel definition layer. According to the preparation method of the display panel, the display effect of the display panel can be improved, and the manufacturing difficulty is reduced.

A device and method for performing scene restoration, including: obtaining an input image of an object; based on an input viewpoint corresponding to the input image, determining a plurality of augmented viewpoints surrounding the object in a three-dimensional (3D) space including the object; generating a plurality of augmented images at the plurality of augmented viewpoints, wherein each augmented image from among the plurality of augmented images corresponds to a view of the object from a corresponding augmented viewpoint from among the plurality of augmented viewpoints, and wherein each augmented image is generated based on an image at a different viewpoint using a view change model; generating a scene restoration model based on the input image at the input viewpoint and the plurality of augmented images at the plurality of augmented viewpoints; and restoring a scene image of a target view of the object using the scene restoration model.

The invention provides a three-dimensional data synthesis method, electronic equipment, a storage medium and a program product, and the method comprises the steps: obtaining a plurality of texture-free three-dimensional grid models, carrying out the rendering of each three-dimensional grid model, obtaining a plurality of view images, and constructing a training sample pair in combination with a semantic description text; based on the training sample pair, utilizing a low-rank adaptation technology to carry out fine tuning on the first text graph model to obtain a second text graph model with multi-view consistency understanding ability; modeling a latent space semantic difference between the rendered image of the to-be-deformed three-dimensional grid model and the target semantic text based on the second text graph model, constructing an optimization constraint and updating parameters, and obtaining a deformed three-dimensional grid model conforming to target semantics; and generating a texture image by using the texture generation model, and attaching the texture image to the surface of the deformed three-dimensional grid model to obtain synthetic three-dimensional data with textures. The reconstruction precision, the diversity expression ability and the cross-category generalization ability of the synthesized three-dimensional data are obviously enhanced.

The invention discloses an organic electroluminescent device, the organic electroluminescent device comprises an anode, a cathode and an organic layer arranged between the anode and the cathode, the organic layer comprises a first metal complex with a structural ligand shown in a formula 1 and a first compound with a structural ligand shown in a formula 2, and the organic electroluminescent device has more excellent comprehensive performance; and particularly, the service life can be remarkably prolonged. Also disclosed are a composition comprising a first metal complex having a structural ligand of Formula 1 and a first compound having a structure of Formula 2, and an organic layer comprising the composition. A display assembly and an electronic device comprising the electroluminescent device or the organic layer are also disclosed.

To provide a game machine including main control-frame control means which improves the amusement of a game.SOLUTION: In a game machine according to the invention, main control means counts the number of winnings of game balls in an opening state of a normal electric accessory; when the number of winnings reaches a predetermined number, can control the normal electric accessory to bring it into a closed state; can send winning information based on the winnings of game balls into the normal electric accessory to frame control means; counts the number of winnings of game balls in an opening state of a big winning port in a jackpot game state; when the number of winnings reaches a predetermined number, can control the big winning port to bring it into a closed state; can send winning information based on the winnings of game balls into the big winning port to the frame control means; and can send pieces of the winning information corresponding to the number of times of winnings during a predetermined period different from each opening time. The frame control means can execute a count process independent from that of the main control means on the basis of the winning information and can display a resultant count number.SELECTED DRAWING: Figure 78

A smart device and method for certified sterilization of personal computing / communications devices (e.g., smartphones, tablets, phablets) and other like personal effects provides an interior sterilization chamber fully or partially enclosed by a housing. The smart device includes an object tray or receptacle situated within the chamber for sterilization of any objects secured therein. Within the sterilization chamber, illuminators direct ultraviolet-C (UV-C) or other like disinfecting radiation at the external surfaces of the object according to a predetermined sterilization cycle or program. The selected sterilization cycle is executed by controlling the activation and / or articulation of the illuminators and / or the object tray or receptacle (either or both of which may be articulated to maximize the irradiated surface area of the object). When a sterilization cycle is complete, the control processors generate a unique token memorializing the successful completion of the cycle upon the sterilized object (e.g., a uniquely identified mobile device).

Provided method for training an autonomous driving model including a video prediction model, and the method including: determining, according to at least one of an initial video frame collected by a target vehicle or scenario description metadata of an initial video frame, a scenario context of the initial video frame; determining a vehicle movement instruction of the target vehicle according to at least one of the initial video frame or trajectory data of the target vehicle corresponding to the initial video frame; and training an initial model using the initial video frame and a control text corresponding to the initial video frame, to obtain the video prediction model, where the control text comprises the scenario context and the vehicle movement instruction, and the video prediction model is configured to output a predicted video frame.

A pipe inspection system includes a cable storage drum and a housing configured to removably receive and rotatably support the cable storage drum. A push-cable with a plurality of conductors is stored in the drum. An inspection camera may be attached to a distal end of the push-cable. The drum includes a hollow core outer cone configured to accept an inner core removable module. The removable module may include electrical, mechanical, wireless, satellite, and power / battery interfaces. The module mates with a contact plate sealed inside the inner cone. The inner core components, including the battery module, are stationary relative to the inner core. The inner core is free to rotate bidirectionally inside the outer cone as the camera is being fed into, and out of a pipe or conduit for inspection. Slip-rings are not required to maintain connectivity because the electronics and battery module are stationary relative to each other.

To provide a game machine equipped with main control-frame control means for improving amusement properties of a game.SOLUTION: In a game machine of the present invention, main control means can count the number of winning game balls in an open state of a normal electric accessory, can control the normal electric accessory to a closed state when the number of winning game balls reaches a predetermined number, and can transmit winning information based on the winning of the game balls in the normal electric accessory to frame control means. The frame control means can execute counting processing independent of counting in the main control means on the basis of the winning information, and can display the counting value.SELECTED DRAWING: Figure 78

To provide a game machine including main control-frame control means which improves the amusement of a game.SOLUTION: In a game machine according to the invention, main control means counts the number of winnings of game balls in an opening state of a normal electric accessory; when the number of winnings reaches a predetermined number, can control the normal electric accessory to bring it into a closed state; can send winning information based on the winnings of game balls into the normal electric accessory to frame control means; counts the number of winnings of game balls in an opening state of a big winning port in a jackpot game state; when the number of winnings reaches a predetermined number, can control the big winning port to bring it into a closed state; and can send winning information based on the winnings of game balls into the big winning port to the frame control means. The frame control means can execute a count process independent from that of the main control means on the basis of the winning information and can display a resultant count number.SELECTED DRAWING: Figure 78

A handheld endoscope has a disposable, single-use portion that includes a distal tip, cannula, housings, and a proximal port that is connected to a substantially straight working channel. The cannula is rotatable about the main longitudinal axis of the cannula. The endoscope also includes a re-usable portion that has a handle and display module. The single-use and re-usable portions mate and un-mate with each other via physical side-mounting arrangement as well as separate electrical connectors. The handle can house imaging system electronics that support manual and auto imaging modes which can be selected via touch screen control on the display module. The re-useable portion is sealed with various o-rings and / or gaskets and can be highly fluid resistant to facilitate disinfecting and / or sterilization.

An electronic device for processing a blood vessel image according to an embodiment may include: an arc-shaped C-arm open toward the isocenter; a radiation source connected to the C-arm and emitting radiation to a target blood vessel located on a table; and a processor for computing a target distance from the radiation source to the target blood vessel, on the basis of a first vertical distance from the isocenter to the table and a second vertical distance from the target blood vessel to the table, and computing a physical distance of the target blood vessel by using the computed target distance, from a blood vessel image obtained using radiation.

The invention relates to the field of environmental monitoring, and discloses a plateau region carbon emission monitoring management method and system, electronic equipment and a medium, and the method comprises the following steps: constructing an atmospheric boundary layer dynamic model for a plateau low-pressure and strong-turbulence environment, and achieving environmental adaptability modeling by correcting a turbulence diffusion coefficient and localized combustion efficiency; based on unmanned aerial vehicle group dynamic path planning and a ground station collaborative sensing network, flight parameters are adjusted in real time in combination with the concentration gradient, and time-space continuous multi-source fusion monitoring data are generated; a high-resolution carbon emission field is output through embedding a combustion efficiency correction factor and a space correlation graph structure by adopting a data assimilation algorithm with mixed ensemble Kalman filtering and a graph convolutional network; and constructing frozen soil degradation index parameters, and driving a transfer learning early warning model to realize methane flux dynamic prediction and multi-stage early warning triggering. According to the invention, the problems of insufficient carbon emission monitoring precision and lack of frozen soil degradation correlation evaluation in a plateau complex environment are solved.

The charging station for charging devices, such as tablets, smart phones, mobile electronic devices, mobile computing devices, and other electronic devices accepts insertion of the device into a storage aperture. Insertion of the device into the storage pushes a receiver rearward towards a charging base. A locking finger locks the receiver into position to overcome biasing devices that bias the receiver towards the storage aperture. The locking finger maintain the position of the receiver. The locking finger also releases the receiver to push the device outwards towards the exit. A conductive contact within the storage aperture contacts the device to charge and communicate with the device. A blocking finger extends across the device to also limit removal of the device from the storage aperture.

The invention relates to a tooth surface analysis technology, and discloses a tooth surface three-dimensional ripple extraction method based on two-dimensional Fourier transform, which comprises the following steps of: acquiring tooth surface deviation data, mapping the tooth surface deviation data to a two-dimensional plane, removing bulging components in a deviation distribution diagram, and performing two-dimensional Fourier transform to obtain a two-dimensional amplitude-frequency diagram; performing amplitude conversion processing on two-dimensional amplitude-frequency data in the two-dimensional amplitude-frequency graph to obtain a two-dimensional bright spot amplitude-frequency graph; extracting bright spot information in the two-dimensional bright spot amplitude frequency graph; extracting the maximum amplitude ripple in the two-dimensional amplitude-frequency data according to the corresponding bright spot position; and extracting amplitude ripples reaching a preset amplitude height, and obtaining three-dimensional data of the amplitude ripples based on two-dimensional Fourier inversion to draw tooth surface three-dimensional ripples. The invention further provides a tooth surface three-dimensional ripple extraction device based on two-dimensional Fourier transform, electronic equipment and a storage medium. According to the method, waviness components causing abnormal noise in the machining process can be accurately recognized, and the accuracy of finding noise sources in the gear machining process is improved.

The invention discloses a foundation pit dewatering treatment method and system, electronic equipment and a storage medium, and relates to the field of foundation pit dewatering treatment. The method comprises the following steps: acquiring various data from sensors mounted at preset positions around a foundation pit and inside the foundation pit, integrating the various data with meteorological data and geological survey data, and establishing a space-time database; according to the data in the space-time database, using a preset LSTM neural network model to predict a first water level change in a future preset time, and according to the three-dimensional seepage field dynamic simulation engine, using a soil parameter inversion algorithm of machine learning to invert soil parameters; according to the first water level change, a variable frequency pump group cooperative control algorithm is used for cooperative control over the pump set, and pump set operation parameters are dynamically adjusted for drainage; and controlling the recharge pressure and the water quality according to the second water level change of the foundation pit after drainage and the soil parameters. According to the technical scheme, efficient and intelligent treatment of foundation pit dewatering is achieved.

The present invention relates to the technical field of electroacoustic transduction. Disclosed in the present invention are a sound production unit and an electronic device. The sound production unit comprises a housing and a magnetic circuit system, which is arranged in the housing and comprises a magnetically conductive yoke, a central magnetic portion and a side magnetic portion, wherein the central magnetic portion and the side magnetic portion are arranged on the magnetically conductive yoke, and the side magnetic portion is arranged on an outer side of the central magnetic portion; the central magnetic portion comprises central magnetic steel and a central magnetically conductive plate, with two opposite sides of the central magnetic steel being respectively connected to the central magnetically conductive plate and the magnetically conductive yoke; the side magnetic portion comprises side magnetic steel and a side magnetically conductive plate, with two opposite sides of the side magnetic steel being respectively connected to the side magnetically conductive plate and the magnetically conductive yoke; the central magnetically conductive plate and / or the side magnetically conductive plate are / is made of a cobalt alloy material; and the magnetically conductive yoke is also made of a cobalt alloy material. A thinned design of the sound production unit of the present invention is realized, and the magnetic induction intensity of the magnetic circuit system is also effectively improved, thereby increasing the BL value, and thus the acoustic performance requirement of the sound production unit can be met.