Abstract: One or more embodiments of the present disclosure provide an acoustic output device, comprising a housing; a first loudspeaker disposed in the housing, the first loudspeaker being acoustically coupled with a first hole portion and a second hole portion disposed on the housing, respectively, and the first loudspeaker being driven by a first electrical signal to output a first sound wave and a second sound wave having a phase difference through the first hole portion and the second hole portion, respectively; and a second loudspeaker disposed in the housing, the second loudspeaker being driven by a second electrical signal to output a third sound wave. In a target frequency range, the superposition of the first sound wave, the second sound wave, and the third sound wave generates a directional far-field radiation from the acoustic output device.

Abstract: An acoustic output device comprises a housing, a first loudspeaker and a second loudspeaker disposed in the housing. The first loudspeaker includes a first diaphragm. In the housing, a first front cavity and a first rear cavity are respectively disposed on a front side and a rear side of the first diaphragm, and the first front cavity and the first rear cavity are acoustically coupled with two hole portions disposed on the housing, respectively, to output a first sound wave and a second sound wave. The second loudspeaker includes a second diaphragm. In the housing, a second front cavity and a second rear cavity are respectively disposed on a front side and a rear side of the second diaphragm, and only one of the second front cavity and the second rear cavity is acoustically coupled with a hole portion disposed on the housing to output a third sound wave.

Abstract: An acoustic module includes a speaker mesh and a fastener. The speaker mesh includes a first end face and a second end face that are opposite to each other. The first end face is provided with an installation cavity that is recessed to the second end face. The second end face is provided with a plurality of sound holes that are connected to the installation cavity. The first end face is configured to abut against a housing of the electronic device. The fastener is fastened in the installation cavity, and the fastener is configured to be fastened to the electronic device. The acoustic module is of a structure in which the fastener is wrapped by the speaker mesh. The first end face of the speaker mesh abuts against the electronic device, and the fastener is hidden in the installation cavity of the speaker mesh.

Abstract: Disclosed is a method and system for filling gas safety supervision based on smart gas Internet of Things (IoT). The method is implemented by a gas company management platform of the system. The method comprises: obtaining monitoring data of a gas filling container based on an equipment object platform; obtaining usage information of the gas filling container; determining a target gas user based on a usage index and send, based on a gas user platform, container replacement information to the target gas user, and send a parameter adjustment instruction to an electronic monitoring device of the gas filling container corresponding to the target gas user; and interacting with a public user platform based on a government safety supervision sensor network platform, a government safety supervision management platform, and a government safety supervision service platform, and displaying the container replacement information based on the public user platform.

Abstract: Embodiments of the application present a method and electronic device for providing product object information. The method includes: identifying at least one target product object and its original descriptive information to be provided to a target user; determining national or regional attribute information of the target user; processing the original descriptive information to adapt to local expression based on the target user's national or regional attribute information to generate target descriptive information; and providing the target descriptive information corresponding to the at least one target product object to a client device of the target user to provide the target descriptive information on a designated webpage. These embodiments enable the expression of product object information on the designated webpage to achieve a “customized experience for each individual”, enhancing user experience and potentially increasing click-through rates and conversion rates.

Abstract: Methods and systems are provided for improved electronic communication campaign technologies, which can automatically balance objectives or goals of an electronic communication campaign against an overall opt-out rate for the electronic communication campaign. An electronic communications frequency optimizer can generate individual contact frequencies for individual email recipients. Embodiments can avoid unnecessary or counterproductive communications while achieving overall campaign goals, and can use processes to improve the efficiency of systems. In some cases, embodiments cluster communication recipients into different groups based on their past actions, then optimizes the communication contact frequency on different groups, to avoid performing optimization directly on millions of recipients. Some embodiments automatically self-update, for example with recipients' recent responses, to generate and/or implement campaign communication schedules on an individual level.

Abstract: An information feedback apparatus, applicable to a terminal equipment, includes: processor circuitry configured to: determine a candidate PDSCH reception occasion set, and determine bits of HARQ-ACK information in an HARQ-ACK codebook according to the number of scheduled PDSCHs and/or according to the number of scheduled valid PDSCHs; and a transmitter configured to transmit the codebook, the codebook including HARQ-ACK information to which the candidate PDSCH reception occasion set corresponds.

Abstract: The present disclosure provides a battery, including a housing, a pole, and a sealing component. The housing includes an end plate provided with a first through hole and a lateral wall. The pole includes a pole connecting part passing through the first through hole and a pole limiting part provided on the pole connecting part and located on a side of the end plate close to the lateral wall. The sealing component includes a first and second sealing parts. The first sealing part is arranged around the pole connecting part and located between the pole limiting part and the end plate. The second sealing part is connected to the first sealing part, arranged around the pole connecting part, and interference-fitted with the first through hole. The first sealing part is provided with a recess configured to provide a deformation space when the first sealing part is squeezed.

Abstract: A backlight module includes: a back plate; a first optical film disposed on the back plate; and a second optical film disposed on the first optical film. The first optical film includes a plurality of first protrusions that protrude toward the second optical film, and at least one of the plurality of first protrusions has a first height. The first height is greater than or equal to 4 ?m and smaller than or equal to 10 ?m.

Abstract: The present disclosure relates to a data recovery method, a storage medium, and an electronic device. The method includes: receiving a notification message sent by a computing node in a distributed graph computing system, where the notification message represents that the corresponding computing node successfully stores current checkpoint data in a persistent memory; generating a checkpoint identifier corresponding to a current checkpoint when determining that all computing nodes in the distributed graph computing system successfully store the current checkpoint data in respective persistent memories; and sending the checkpoint identifier to each computing node, so that each computing node associates the checkpoint identifier with the current checkpoint data stored in the persistent memory, and the associated current checkpoint data is used for data recovery during recovery execution before the corresponding computing node obtains a checkpoint identifier corresponding to a next checkpoint.

Abstract: The present invention discloses a system for detecting poses of people around a vehicle. An electronic sensor such as a camera is associated with a vehicle for the generation of consecutive frames within a video. The system generates a boundary box around a person within each frame and optimizes a tracker for each person in consecutive frames. The system detects people on the road through pose estimation. The system performs a confidence pre-processing procedure before sending the trackers to a pose estimator to extract their poses.

Abstract: Embodiments of this disclosure provide a data transceiving method and apparatus. The data transceiving apparatus includes: a first receiving unit configured to receive downlink control information (DCI) in a first cell, the DCI being used to schedule PDSCH(s) and/or PUSCH(s) on at least two cells in the first cell and/or at least one second cell; and a transceiving unit configured to receive the PDSCH(s) and/or transmit the PUSCH(s) on the at least two cells.

Abstract: Augmented reality (AR) systems, devices, media, and methods are described for creating a handcrafted AR experience. The handcrafted AR experiences are created by capturing images of a scene, identifying an object receiving surface and corresponding surface coordinates, identifying a customizable AR primary object associated with at least one set of primary object coordinates, generating AR overlays including the customizable AR primary object for positioning adjacent the object receiving surface, presenting the AR overlays, receiving customization commands, generating handcrafted AR overlays including customizations associated with the customizable AR primary object responsive to the customization commands, presenting the handcrafted AR overlays, recording the handcrafted AR overlays, creating a handcrafted AR file including the recorded overlays, and transmitting the handcrafted AR file.

Abstract: The present disclosure may provide a sound-producing device comprising a diaphragm and a housing. The housing may include a first sound guide hole and a second sound guide hole. The diaphragm may be disposed in the housing. When a user wears the sound-producing device, a distance between the first sound guide hole and the ear canal opening may be smaller than a distance between the diaphragm and the ear canal opening, a range of an included angle between a connection line between the first sound guide hole and the second sound guide hole and a connection line between the center of mass of the diaphragm and the ear canal opening may be smaller than 45°, and a distance between the second sound guide hole and the ear canal opening may be greater than the distance between the diaphragm and the ear canal opening.

Abstract: A light scattering patch device and preparation method thereof is disclosed. The light scattering patch device is composed of a patch, an air gap, and a tapered optical fiber; the patch is a transparent patch; a refractive index of the patch is greater than a refractive index of a biological tissue; a tip, a tapered transition zone and a partial unstretched zone of the tapered optical fiber are embedded in the patch, and the air gap is formed between the tip and the tapered transition zone of the tapered optical fiber and the patch. The method of preparing the light scattering patch device comprises: first preparing the tapered optical fiber, then performing hydrophobic modification on the surface of the tapered optical fiber; placing the tapered optical fiber in an uncured polymer and curing the uncured polymer, and pulling the unstretched part; connecting the unstretched part of the tapered optical fiber.

Abstract: Methods and apparatuses for transmitting and receiving sidelink information. The method includes: determining a priority/priorities of second data information and/or feedback information by a second device, allocating power for the second data information and/or the feedback information according to the priority/priorities; and/or scrambling and/or indicating the second data information and/or the feedback information by the second device by using an identifier. Hence, supporting multiple unicast sessions or groupcast sessions by the same device may be achieved.

Abstract: An apparatus for configuring a network energy-saving cell, the apparatus comprising: a transmitter configured to transmit first information to a terminal equipment, the first information being used to configure a cell to the terminal equipment so that a network device serves for the terminal equipment by using the cell; wherein the first information is used to change a first state to a second state for the cell when the network device enters into a power saving state.

Abstract: An apparatus for beam failure recovery of a secondary cell includes: a transmitter configured to transmit a first MAC (Medium Access Control) CE (Control Element) containing beam failure information of the secondary cell, the first MAC CE including a MAC CE containing BFD (Beam Failure Detection)-RS (Reference Signal) set information, the MAC CE containing BFD-RS set information including at least one of the following: an enhanced BFR (Beam Failure Recovery) MAC CE, and a truncated enhanced BFR MAC CE; and processor circuitry configured to, when the first MAC CE containing beam failure information of the secondary cell is transmitted or is successfully transmitted, enable a MAC entity of a terminal equipment to perform one of the following or a combination thereof: cancelling all triggered BFRs of the secondary cell; resetting a beam failure instance counter; considering a beam failure recovery procedure completed successfully.

Abstract: A network controlled repeater (NCR) includes: MT processor circuitry configured to receive time division duplex (TDD) configuration information from a network device; and forwarding processor circuitry configured to perform to not forwarding on a first flexible time unit.

Abstract: A data reception and transmission apparatus, applicable to a terminal equipment, the apparatus including a receiver and a transmitter: wherein the receiver is configured to: receive a first information configuring value for a set of serving cells; and monitor, in a search space set of a scheduling cell, PDCCH candidates for one or both of first DCI format and second DCI format; and wherein, the first DCI format is used for scheduling of one PUSCH in one cell, or a plurality of PUSCHs in a plurality of cells, and the second DCI format is used for scheduling of one PDSCH in one cell, or a plurality of PDSCHs in a plurality of cells.