Abstract: An overcurrent protection circuit of a power supply system and a power conversion apparatus. In embodiments, only one overcurrent protection hardware circuit needs to be disposed, so that when a fault occurs in the power supply system, a type of the fault can be identified, and corresponding protection can be performed. This improves reliability of the power supply system.

Abstract: A display panel and a display apparatus. The display panel includes: a substrate; an isolation structure arranged on the substrate, the isolation structure enclosing and forming an isolation opening and a light-transmitting opening; a light-emitting unit being configured in the isolation opening; a conductive layer at least partially arranged on a side of the isolation structure away from the substrate; and a shielding layer arranged on the substrate, the shielding layer including a shielding portion, and an orthographic projection of the shielding portion on the substrate at least partially overlapping with an orthographic projection of the light-transmitting opening on the substrate.

Abstract: Systems and methods of configuration using group identifiers are provided. A wireless communication node or a wireless communication device can determine that signals to be communicated between the wireless communication device and the wireless communication node, are associated with a group identifier. The wireless communication node or the wireless communication device, responsive to determining that the signals are associated with the group identifier, can configure communication of the signals between the wireless communication device and the wireless communication node, without simultaneous communication of the signals.

Abstract: A display substrate and a display device are provided. The display substrate includes a display region, at least one first signal line, and at least one connecting wire. The display region includes a first display region and a second display region; the first display region includes at least one first light emitting element, and the second display region includes at least one first pixel circuit; the first signal line includes a first main body portion and a first winding portion; the first main body portion extends along a first direction, and at least part of the first winding portion extends along a direction intersecting with the first direction; at least one first signal line is electrically connected to at least one first pixel circuit; and at least one first pixel circuit is configured to respectively drive at least one first light emitting element.

Abstract: The present invention discloses a capsule endoscope, which comprises an enclosure, and an imaging unit, a data processing unit and an antenna unit arranged in the enclosure. The enclosure comprises a cylindrical middle enclosure and two hemispherical covers connected to both ends of the middle enclosure, and the antenna unit is arranged close to the inner surface of the middle enclosure. The antenna unit is arranged close to the inner surface of the middle enclosure. Such arrangement can save internal space and improve the space utilization, and also, the arrangement of the antenna unit does not affect the layout of the imaging unit.

Abstract: The present invention provides a sounding device including a housing body having a containment cavity and a sounding unit placed in the containment cavity. The sounding unit includes a vibration system and a magnetic circuit system. The sounding device includes a box, a coil, a circuit board, and an elastic assembly. The elastic assembly is used to suspend the box in the containment cavity. The present invention coil shares a magnetic circuit system with the vibration system and the sounding unit is directly used as the weight unit of the coil. The parts are shared to the greatest extent, the assembly process is simplified, and the cost is reduced.

Abstract: The disclosed technology includes techniques for facilitating the operation of a multi-antenna communication system. The disclosed technology can be implemented to provide a method for wireless communications which includes receiving, by a user device, an indication about an association between multiple reference resources and a target resource at the user device. The association includes properties of a communication channel to and/or from the user device, and wherein at least one property of the communication channel is different among the multiple reference resources, and performing wireless communication using the indication.

Abstract: An information transmission method and apparatus, and a storage medium are provided. The information transmission method includes: determining, according to information, a time unit in which an aperiodic measurement reference signal resource is located; and transmitting or receiving the aperiodic measurement reference signal resource in the time unit in which the aperiodic measurement reference signal resource is located, wherein the information comprises: a minimum time interval between a Physical Downlink Control Channel (PDCCH) scheduling the aperiodic measurement reference signal resource and the aperiodic measurement reference signal resource, slot structure information, a sub-carrier spacing, and a set of time-domain symbols comprising all time-domain symbols occupied by measurement reference signal resources in a first measurement reference signal resource set in which the aperiodic measurement reference signal resource is located, wherein the time unit is a slot.

Abstract: Provided are a method for preparing a nano-immune activator, and an article and use thereof.

Abstract: A separator includes a porous substrate and a porous coating disposed on at least one surface of the porous substrate, where the porous coating includes a polymer and a thickness covariance value of the separator is 0.01 to 0.02. The separator provided has good thickness consistency, which is conducive to improving the packaging performance of the electrochemical device, and the resulting electronic device has a longer service life and good usage performance.

Abstract: The present invention provides a multifunctional acoustic device includes a cover enclosing an accommodating cavity and an acoustic member. The cover has a sound hole. The acoustic member includes a housing, a vibration system having a diaphragm, and a magnetic circuit system driving the diaphragm. The diaphragm divides a space of the housing into a front acoustic cavity and a rear acoustic cavity. The multifunctional acoustic device includes a sound channel communicating the sound hole with the front acoustic cavity and a sealing element located between the sound hole and the sound channel. The sealing element is arranged on a peripheral side of the sound channel so that the acoustic member communicates with an outside only through the sound channel.

Abstract: The present application discloses a display panel and a display device. The display panel includes a timing controller and a level conversion module, the data enable signal output by the timing controller is used to control the level conversion module to switch the potential of the first control signal and the potential of the second control signal in the vertical blanking interval, and the potential switching interval of the two control signals does not change with the refresh frequency, which can prevent the potential switching interval of the two control signals from being too short.

Abstract: An electronic device includes a heat dissipation part, a plurality of electronic components, and a fixed potential part. The electronic component is fastened to the heat dissipation part, and an insulation pad is disposed between the electronic component and the heat dissipation part. The fixed potential part has a fixed potential, and the heat dissipation part is electrically connected to the fixed potential part. The heat dissipation part has the fixed potential, a potential difference between the electronic component and the heat dissipation part is reduced, and a requirement of a safety specification between the electronic component and the heat dissipation part is reduced. The electronic component can be relatively close to the heat dissipation part, and a surrounding energized component of the heat dissipation part can also be closer to the heat dissipation part.

Abstract: A miniature speaker, and the miniature speaker includes: frame, and motor assembly and speaker assembly that are fixed to frame. Motor assembly includes vibrating unit and magnetic circuit unit sandwiched between vibrating unit and speaker assembly. The vibrating unit and magnetic circuit unit are flexibly connected in first direction and rigidly connected in second direction. The vibrating unit includes first voice coil, and vibrating unit is driven to vibrate along first direction under action of first voice coil and magnetic circuit unit. The speaker assembly includes second voice coil, motor assembly is driven to vibration along second direction under action of second voice coil and magnetic circuit unit, and first direction is perpendicular to second direction. An X-axis motor and Z-axis motor share magnetic circuit to realize vibration functions of motors in X and Z directions and provide hardware foundation for diversity of vibration signals applied to motors.

Abstract: The present invention provides a multifunctional acoustic device includes a cover enclosing an accommodating cavity and an acoustic member. The cover has a sound hole. The acoustic member includes a housing, a vibration system having a diaphragm, and a magnetic circuit system driving the diaphragm. The diaphragm divides a space of the housing into a front acoustic cavity and a rear acoustic cavity. The multifunctional acoustic device includes a sound channel communicating the front acoustic cavity to an outside of the sound hole and a sealing element located on an outer side of the cover. The sealing element is arranged covering a peripheral side of the sound hole and the sound channel so that the acoustic member communicates with the outside only through the sound channel.

Abstract: Provided is a multifunctional sounding device and an electronic device. The multifunctional sounding device includes a casing, a sounding body accommodated in the casing, a vibrator assembly and an elastic supporting member for suspending the vibrator assembly in the accommodating space and providing elastic restoring force. The sounding body includes a vibration system and a magnetic circuit system for driving the vibration system to sound. The elastic supporting member includes a first supporting arm fixed to the vibrator assembly, bent portions bent and extended from both ends of the first supporting arm, and second supporting arms extended away from the first supporting arm and both fixed to the casing. A thickening member is arranged on each bent portion, and a sum of a thicknesses of each bent portion and the thickening member is greater than a thicknesses of the first supporting arm and the second supporting arm.

Abstract: Disclosed is a multifunctional sounding device which combines functions of emitting sounds and providing vibrations and includes a housing; a speaker unit including a vibration assembly vibrating along a first direction and a magnetic assembly including a main magnet and an auxiliary magnet; an elastic member suspending the speaker unit in the housing; a flexible sealing membrane assembly connected between the housing and the speaker unit including an outer ring, an inner ring, and a flexible sealing membrane connected between the two rings; and a driving coil driving the speaker unit for vibrating in a second direction including two sides respectively facing the main magnet and the auxiliary magnet in the first direction. The two directions are perpendicular. The outer ring, the flexible sealing membrane and the inner ring are integrally formed, thereby achieving a high structural consistency and avoiding glue width requirements so as to release spaces.

Abstract: The present specification provides a cloud rendering method, applied to a cloud phone server corresponding to a terminal device. The cloud phone server is configured to provide a rendering service for the terminal device. The method includes: receiving interaction data sent by the terminal device, and generating a rendering instruction based on the interaction data; and sending the rendering instruction to a computing serving end connected to the cloud phone server, so that the computing serving end parses the rendering instruction, performs image rendering based on a parsing result to generate a video stream, and returns the video stream to the terminal device, to cause the terminal device to perform display based on the video stream, where a rendering capability of the cloud phone server is lower than a rendering capability of the computing serving end.

Abstract: The present disclosure relates to a metal nanoparticle sensor and fabrication method thereof. The metal nanoparticle sensor includes a SERS substrate, comprising a substrate, metal oxide nanostructures formed on the substrate, and metal nanoparticles grown on the metal oxide nanostructures. The metal oxide nanostructures include crystal facets. The metal nanoparticles substantially cover the crystal facets and the metal nanoparticles are grown in a vacuum chamber at an elevated substrate temperature.