Abstract: A method, computer program product and computer system are provided to minimize data transfer in an online meeting. A processor initiates an online meeting between at least one broadcaster and at least one viewer. A processor captures actions performed by the at least one broadcaster during the online meeting. A processor converts at least one action performed by the broadcaster to a uniform resource identifier (URI). A processor sends the captured actions including the URI to the at least one viewer, where the captured actions including the URI replicate locally the at least one broadcaster's captured actions on a device associated with the viewer.

Abstract: A multi-directional vibration motor, including a housing, a vibration unit, a coil unit, and a peripheral magnetic ring. The vibration unit includes a magnet unit in a cylinder shape and magnetized along a first direction. The coil unit is opposite to the magnet unit. The peripheral magnetic ring surrounds and is spaced apart from the coil unit. A magnetic pole at an inner side of the peripheral magnetic ring is the same as a magnetic pole at a side of the magnet unit adjacent thereto. The peripheral magnetic ring is formed by magnets that are symmetrical in pairs. The peripheral magnetic ring includes two first magnetic rings at two opposite sides of the coil unit along a second direction and two second magnetic rings at two opposite sides of the coil unit along a third direction. The motor realizes multi-directional vibration and has a small size.

Abstract: A multifunctional sound device includes a housing, a sound unit, and a motor assembly. The sound unit includes a frame, a vibration system, and a magnetic circuit system. The motor assembly includes a vibration unit and elastic components. The vibration unit includes driving coils and a mass block. The driving coils are fixed to the mass block and located in a magnetic field range of the magnetic circuit system. The mass block is made of conductive materials. The driving coils interact with the magnetic circuit system to enable the vibration unit to vibrate in a reciprocating mode after the driving coils are energized. Compared with related art, the multifunctional sound device is small in overall thickness and size, large in electromagnetic damping of a magnetic circuit, easy to assemble, and excellent in acoustic performance.

Abstract: A multifunctional sound device includes a housing, a sound unit, and a motor assembly. The sound unit includes a frame, a vibration system, a magnetic circuit system, and a first elastic component. The vibration system includes a vibrating diaphragm and a a voice coil. The voice coil drives the vibrating diaphragm to vibrate and generate sound along a first direction. A first end of the first elastic component is fixed to the frame. A second end of the first elastic component is elastically connected to the magnetic circuit system. The voice coil drives the magnetic circuit system to vibrate along the first direction. A mounting groove is defined on the magnetic circuit system. The motor assembly includes a stator and second elastic components. The stator is fixed to the housing. The stator is spaced apart from the magnetic circuit system and drives the magnetic circuit system to vibrate.

Abstract: A configuration method includes: the terminal device generating a second key on the basis of a first key, and performing encryption and/or integrity protection on a certificate request message on the basis of the second key; and sending a first request message, the first request message comprising the certificate request message encrypted and/or integrity-protected via the second key.

Abstract: A multifunctional speaker device is provided and includes a housing with an accommodating space, a sounder in the accommodating space, a motor assembly, and an auxiliary magnetic circuit unit. The sounder includes a frame, a vibration unit, and a magnetic circuit unit. The motor assembly includes an elastic member and a vibrator including driving coils. The vibrator. The driving coils are located at a side of the magnetic circuit unit away from the vibration unit. The auxiliary magnetic circuit unit is fixed to a side of the housing away from the vibrator and is directly opposite to and spaced apart from the magnetic circuit unit. The driving coils are spaced apart from each other between the magnetic circuit unit and the auxiliary magnetic circuit unit. The multifunctional speaker device provided by the disclosure can greatly enhance performance of the motor and sounder, and achieve good user experience.

Abstract: An atomizer includes: a liquid storage assembly, including an inner barrel, wherein the inner barrel defines a slide cavity, the slide cavity is defined for receiving the atomization core assembly; and a mouthpiece assembly, disposed at an end of the inner barrel for pushing against the atomization core assembly, such that the atomization core assembly slides relative to the inner barrel, and an end of the atomization core assembly is exposed to an outside of the atomizer. By configuring the mouthpiece assembly to push against the atomization core assembly, the atomization core assembly slides along the slide cavity of the inner barrel, and one end of the atomization core assembly is exposed to the outside. Therefore, it may be difficult for children to disassemble the atomizer core assembly, a risk of children removing the atomization core assembly and causing hazards to themselves may be reduced effectively.

Abstract: The present disclosure discloses a linear motor including a housing with an accommodation space, a vibrator and a stator received in the accommodation space and an elastic support fixed on the vibrator and configured to suspend the vibrator in the accommodation space; the stator includes a coil and a copper ring both opposite to the vibrator; the copper ring and the coil are arranged on two opposite sides of the vibrator separately along a first direction perpendicular with a vibration direction of the vibrator. The copper ring serves as a damper providing electromagnetic resilience for the vibrator, effectively improve the automation and efficiency of the manufacture of the linear vibration motor.

Abstract: A method, system, electronic device and storage medium for constructing locally convex feasible space are provided. The method includes acquiring a plurality of initial motion trajectory points, size information and surrounding obstacle information of a target vehicle; generating a quadtree map according to the above information; determining a target distance corresponding to each initial motion trajectory point according to the quadtree map; allocating locally convex feasible space to a first-type initial motion trajectory point by using the quadtree map, and allocating locally convex feasible space to a second-type initial motion trajectory point by using an improved convex feasible set algorithm. The first-type initial motion trajectory point is an initial motion trajectory point with the target distance greater than or equal to a set threshold; and the second-type initial motion trajectory point is an initial motion trajectory point with the target distance less than the set threshold.

Abstract: A method and system for decomposing cross-domain path planning of an amphibious vehicle.

Abstract: The present disclosure discloses a linear motor having a housing with an accommodation space, a vibration unit and a driving unit received in the accommodation. The vibrator unit includes a weight with a receiving space and a magnet unit fixed on the weight and inside the receiving space. The driving unit includes an iron core received in the receiving space, two pole pieces respectively fixed on two opposite ends of the iron core along a vibration direction and a coil wound around the iron core. A groove is provided on the pole piece and faces the magnet unit along a first direction perpendicular with the vibration direction. The distance between the pole piece and the magnet unit increases, effectively decreasing the magnetic attraction force between the pole piece and magnet unit and avoiding the non-linear vibration of the linear vibration motor.

Abstract: A speaker includes: a housing including a ring-shaped frame, a front cover and a bottom shell; a vibration system and a magnetic circuit system, the vibration system including a diaphragm fixed on the frame, a voice coil support fixed on the diaphragm and a voice coil supported by the voice coil support, the magnetic circuit system including a first magnetic yoke fixed on the front cover and a magnet assembly fixed on the first magnetic yoke. A first opening is provided to penetrate a center portion of the diaphragm, and the diaphragm includes an inner edge enclosing the first opening and an outer edge fixed to the frame, the magnetic circuit system extends through the first opening, the housing further includes an extension portion extending from the front cover toward the diaphragm and surrounding the magnetic circuit system, and the inner edge of the diaphragm is fixed to the extension.

Abstract: A liquid injection device includes: an accommodating cavity for detachable mounting of an electronic vaporization device; a liquid storage tank; a liquid supply mechanism; and a control assembly. The control assembly is connected to the liquid supply mechanism and detects whether the electronic vaporization device is mounted in the accommodating cavity. The liquid supply mechanism is in communication with the liquid storage tank to: be connected to the electronic vaporization device and supply liquid to the electronic vaporization device when the electronic vaporization device is mounted in the accommodating cavity, and be disconnected from the electronic vaporization device and stop supplying liquid to the electronic vaporization device when the electronic vaporization device is removed from the accommodating cavity.

Abstract: The present invention provides a vibrating motor, an electronic device, and a control method. The vibrating motor includes a housing, a vibrator assembly and a solenoid assembly. The vibrator assembly includes a mass block defining an accommodating cavity and magnets accommodated in accommodating cavity. The mass block are elastically connected to the housing. The magnets are magnetized for providing driving forces in a first direction and a second direction. The first direction is perpendicular to the second direction. The vibrator assembly vibrates along the first direction at a first vibration frequency. The vibrator assembly vibrates along the second direction at a second vibration frequency, or the solenoid assembly vibrates along the second direction at a third vibration frequency. The vibrating motor provide vibration senses in different directions and provide large vibration senses for different application scenarios, which is conducive to realization of multiple vibration feedback.

Abstract: A multifunctional sound device includes a housing, a sound unit, a vibrator, and coils. The housing includes an accommodating cavity, and the sound unit is accommodated in the accommodating cavity and is fixedly connected to the housing. The sound unit includes a frame, a vibration system, and a magnetic circuit system. The vibration system is disposed in the frame, and the magnetic circuit system drives the vibration system to reciprocally vibrate and generate sound along a first direction. The sound unit and the vibrator are assembled in the housing and share one magnetic system, which saves space and greatly reduces occupied space. Moreover, the magnetic circuit system interacts with the coils to drive the vibrator to vibrate in the second direction and the third direction, thereby enhancing vibration effect.

Abstract: A multifunctional sound device includes a housing, a sound unit, a vibrator, and a coil. The housing includes an accommodating cavity, and the sound unit is suspended in the accommodating cavity. The sound unit includes a frame, a vibration system, and a magnetic circuit system. The vibration system is fixed in the frame, and the magnetic circuit system drives the vibration system to vibrate and generate sound along a first direction, where the magnetic circuit system includes a magnetic gap. Since the speaker and the motor share one magnetic system, the sound unit and the vibrator are assembled in the housing, which greatly reduces occupied space. The sound unit and the vibrator form a dual-vibration system, and the sound unit cooperatively vibrates with the vibrator in addition to generating sound, which improves vibration effects and further avoids adding other components, thereby saving space.

Abstract: An embodiment for automatically controlling peripheral devices based on online meeting participant information. The embodiment may detect participants of an online meeting and generate a participant information table. The embodiment may generate a participant group table including one or more preliminary participant groups based on the participant information. The embodiment may generate and send audio through peripheral devices associated with at least one participant in each of the one or more preliminary participant groups to identify the participants in physically shared meeting spaces. The embodiment may update the participant group table to include confirmed participant groups based on the identified participants in the physically shared meeting spaces. The embodiment may determine a presenter for each of the confirmed participant groups and update the participant information.

Abstract: An approach for managing data set access based on data set relevance. The approach monitors data set access activities associated with a user. The approach detects access of a first data set by the user. The approach determines a group of data sets associated with the first data set based on a data set mapping associated with the user. The approach recalls one or more data sets of the group of data sets from a slower storage device to a faster storage device.

Abstract: The invention provides a multifunctional sounding device, which includes a housing with a containment space and a sounding unit suspended in the containment space. The sounding unit includes a frame, a vibration system and a magnetic circuit system. The magnetic circuit system includes a main magnet and a secondary magnet. The multifunctional sounding device further includes a coil. The sounding unit of the present invention is a motor vibrator, the coil is a motor stator, and the magnetic circuit system can drive the vibration system to vibrate to realize the sound production function of the speaker. This allows the to motor and the speaker to share a set of the magnetic circuit system, which is easy to assemble, lower in cost, and saves space for the whole device.

Abstract: Water-soluble film and unit dose article made therefrom, wherein the water-soluble film comprises a water-soluble polymer, wherein the water-soluble polymer comprises a blend of a caseinate polymer and an anionic polyvinyl alcohol copolymer.