Abstract: Embodiments of the present disclosure provide a loudspeaker including a magnetic circuit assembly and a coil assembly. At least a portion of the coil assembly is provided in a magnetic gap formed by the magnetic circuit assembly, and the coil assembly is electrified to drive a vibrating member to vibrate to produce sound. The coil assembly includes a coil support and a coil. The coil support has an extended end extending toward the magnetic gap, and the extended end has a first step structure. The coil includes an outer coil and an inner coil. The outer coil and the inner coil form a second step structure in a direction close to the coil support. The first step structure and the second step structure are fitted to each other so that the coil is fixedly mounted on the coil support.

Abstract: An earphone comprises a core module located at a front side of an ear in a wearing state and a hook structure at least a portion of which is located at a rear side of the ear in the wearing state. A free end of the core module not connected to the hook structure extends into a concha cavity of the ear in the wearing state. In the wearing state, a first inner side surface of the core module covers at least a portion of a tragus of the ear, a transition portion of the hook structure is located at the front side of the ear, and a second inner side surface of the transition is bent along the thickness direction of the core module toward a direction away from an outer side surface of of the core module with respect to the first inner side surface.

Abstract: The present disclosure relates to a main control circuit board and an earphone. The main control circuit board comprises a substrate, metal wires, and a load. The metal wires include a power source wire and a loop wire that are configured to connect the load to an external power source, the power source wire and the loop wire are arranged side by side, and a current direction of the power source wire is opposite to a current direction of the loop wire. A ratio of an absolute value of a difference between a width of the power source wire or the loop wire and an average width to the average width is less than or equal to 20%, the average width being defined as an average value of widths of the power source wire and the loop wire.

Abstract: The present disclosure relates to a transducer device, a core module, and an electronic device. The transducer device comprises a first coil and a magnet assembly, and at least one first vibration transmission plate connecting the first coil and the magnet assembly. The magnet assembly surrounds a periphery of the first coil, the magnet assembly and the first coil are spaced apart in a radial direction of the transducer device and at least partially overlap in an axial direction. In an operation state in which the transducer device is input with a first excitation signal, the first coil is energized and generates a first Ampere force in a magnetic field formed by the magnet assembly, and the first Ampere force causes the first coil to move relative to the magnet assembly without an iron core and a magnetic conductive plate, which is conducive to increasing sensitivity of the transducer device.

Abstract: The present disclosure discloses an earphone. The earphone may include a wearing assembly and a core module. The core module may be disposed on one end of the wearing assembly. The wearing assembly may be configured to fix the core module on a head of a user. The core module may include a core housing, a core, and a cover plate. An opening may be disposed on one end of the core housing, and the cover plate may be covered on the opening of the core housing, so as to form a chamber structure inside the core housing for accommodating the core.

Abstract: A bone conduction microphone is provided. The bone conduction microphone may include a laminated structure formed by a vibration unit and an acoustic transducer unit. The bone conduction microphone may include a base structure configured to carry the laminated structure. At least one side of the laminated structure may be physically connected to the base structure. The base structure may vibrate based on an external vibration signal. The vibration unit may be deformed in response to the vibration of the base structure. The acoustic transducer unit may generate an electrical signal based on the deformation of the vibration unit. The bone conduction microphone may include at least one damping structural layer. The at least one damping structural layer may be arranged on an upper surface, a lower surface, and/or an interior of the laminated structure, and the at least one damping layer may be connected to the base structure.

Abstract: The present disclosure discloses an acoustic output apparatus. The acoustic output apparatus may include at least one acoustic driver, a housing structure, and at least two sound guide holes. The at least one acoustic driver may output sounds having opposite phases from the at least two sound guide holes. The housing structure may be configured to carry the at least one acoustic driver. The housing structure may include a user contact surface to be in contact with a user. When the user wears the acoustic output apparatus, the user contact surface may be in contact with a body of the user. An included angle between a connection line between the at least two sound guide holes and the user contact surface may be in a range of 75°-105°.

Abstract: This present disclosure provides an acoustic device. The acoustic device includes a housing, one or more sound pickup assemblies, and one or more channel assemblies. The housing has an accommodating space and one or more communication holes. Each communication hole communicates the accommodating space and an outside space. The one or more sound pickup assemblies may be disposed in the accommodating space for picking up a sound through the communication holes. The one or more channel assemblies may be disposed in the accommodating space. At least one of the one or more channel assemblies is disposed between one sound pickup assembly of the one or more pickup assemblies and one communication hole of the one or more communication holes, so that the sound is transmitted to the sound pickup assembly through the at least one of the one or more channel assemblies after passing through the communication hole.

Abstract: The present disclosure provides an acoustic device including a microphone array, a processor, and at least one speaker. The microphone array may be configured to acquire an environmental noise. The processor may be configured to estimate a sound field at a target spatial position using the microphone array. The target spatial position may be closer to an ear canal of a user than each microphone in the microphone array. The processor may be configured to generate a noise reduction signal based on the environmental noise and the sound field estimation of the target spatial position. The at least one speaker may be configured to output a target signal based on the noise reduction signal. The target signal may be used to reduce the environmental noise. The microphone array may be arranged in a target area to minimize an interference signal from the at least one speaker to the microphone array.

Abstract: 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 housing component includes a core housing and a core cover plate. The core cover plate is provided with a first avoidance hole allowing the vibration panel to be connected with the transducer device. The face attachment component covers the vibration panel. The core housing includes a cylindrical sidewall, an annular support, a plurality of buckle portions, a plurality of communication holes, and a plurality of columns. The core cover plate is supported on the annular support and plugged with the plurality of columns. The face attachment component snap-fits the plurality of buckle portions. The plurality of columns are arranged at intervals in a circumferential direction of the cylindrical sidewall.

Abstract: An electronic device is provided. The electronic device comprises a housing component and a microphone disposed in the housing component. The housing component is provided with a sound pickup channel. The microphone is configured to pick up a sound transmitted through the sound pickup channel. The sound pickup channel includes a first channel section and a second channel section communicated with each other. The first channel section is closer to the microphone than the second channel section. A first central axis of the first channel section and a second central axis of the second channel section do not coincide. The first channel section and the second channel section of the sound pickup channel are staggered from each other, which helps avoid external droplets, or the like, from directly impacting the microphone, thereby extending the service life of the microphone.

Abstract: 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 and protrudes a preset distance with respect to the housing component along a vibration direction of the transducer device when the transducer device is in a non-vibration state. The face attachment component includes a face attachment sleeve. The face attachment sleeve includes a central portion, a transition portion connected with the central portion, and a fixed portion connected with the transition portion. The central portion covers the vibration panel. The fixed portion is connected with the housing component. At least the transition portion of the face attachment sleeve is a flexible braided fabric.

Abstract: A core module and an electronic device are provided. The core module comprises a housing component, a transducer device, and a vibration panel. The housing component includes a core housing, a core cover plate, and a sealing film. The transducer device includes a support. The core cover plate and the sealing film are respectively provided with a first avoidance hole and a second avoidance hole allowing the vibration panel to be connected with the support. The sealing film is configured to seal an assembly clearance of the first avoidance hole. At least one of the vibration panel and the support is provided with a support end surface corresponding to a surrounding region of the second avoidance hole. The sealing film is fixed on the support end surface.

Abstract: An acoustic output apparatus is provided. The acoustic output apparatus may include a vibration assembly and a mass element. The vibration assembly may include a piezoelectric structure and a vibration element. The piezoelectric structure may be configured to convert an electrical signal into mechanical vibrations, and the vibration element may be connected to the piezoelectric structure at a first position of the piezoelectric structure and configured to receive the mechanical vibrations to generate an acoustic signal. The mass element may be connected to the piezoelectric structure at a second position of the piezoelectric structure.

Abstract: The present application discloses a sound-output device, including a vibration speaker configured to generate a bone-conducted sound wave; and an air-conducted speaker configured to generate an air-conducted sound wave. The sound-output device further comprises a signal processing module configured to generate a control signal, wherein, the vibration speaker includes a vibration assembly electrically connected to the signal processing module to receive the control signal, and generate the bone-conducted sound wave based on the control signal, and the air-conducted speaker includes a housing coupled to the vibration assembly to generate the air-conducted sound wave based on the bone-conducted sound wave.

Abstract: A loudspeaker device includes a speaker component, a first microphone element, and a second microphone element. The speaker component includes an earphone core and a core housing. The first microphone element is disposed on a first branch circuit board of a circuit board. The second microphone element is disposed on a second branch circuit board of the circuit board. The circuit board is configured to electrically connect to an audio signal wire, a first auxiliary signal wire, and a second auxiliary signal wire of an external control circuit. The audio signal wire, the first auxiliary signal wire, and the second auxiliary signal wire are electrically and respectively connected to the earphone core, the first microphone element, and the second microphone element through the circuit board. A board surface of the second branch circuit board is tilt with respect to a board surface of the first branch circuit board.

Abstract: An electronic device is provided. The electronic device comprises a housing component, a circuit board, and a sliding key component. An outer side of the housing component is provided with a concave region. A bottom of the concave region is provided with a sliding groove. A position of the bottom of the concave region connected with a sidewall of the concave region is provided with an annular groove surrounding the sliding groove. The circuit board is disposed in the housing component. The sliding key component is partially located in the concave region, and extends from the outer side of the housing component into an inner side of the housing component through the sliding groove to be connected with a toggle switch disposed on the circuit board to allow the sliding key component to toggle the toggle switch along a sliding direction under the action of an external force.

Abstract: An electronic device is provided. The electronic device comprises a housing component, a circuit board, and a sliding key component. The circuit board is disposed in the housing component. The sliding key component includes an adapter frame and a sliding key. The adapter frame is disposed in the housing component and connected with a toggle switch on the circuit board. The sliding key extends from an outer side of the housing component into an inner side of the housing component through a sliding groove on the housing component to be assembled and connected with the adapter frame to allow the sliding key component to toggle the toggle switch along a sliding direction under the action of an external force. The adapter frame and the sliding key are two separate structural parts, and the sliding key and the adapter frame can be assembled and connected.

Abstract: Embodiments of the present disclosure provide a method and a system for determining a finger joint angle. The method includes obtaining first sensor data relating to at least two target finger joints of a user, the first sensor data is obtained using at least two strain sensors, each of the strain sensors is arranged in a glove body worn by the user and located at one target finger joints, and the at least two target finger joints include at least two adjacent metacarpophalangeal joints of the user; obtaining a first mapping relationship, wherein the first mapping relationship reflects a relationship between sensor data corresponding to the at least two target finger joints and joint angles of the at least two target finger joints; and determining a first joint angle of each of the at least two target finger joints based on the first sensor data and the first mapping relationship.

Abstract: Embodiments of the present disclosure provide methods and systems for determining a correspondence relationship between sensor data and finger joint angles. The methods include obtaining a plurality of sets of sample sensor data, each set of sample sensor data being related to at least two sample finger joints of a sample user and being collected using at least two sample strain sensors at a target moment, and each sample strain sensor being arranged in a sample glove and located at one of the at least two sample finger joints; for each set of sample sensor data, obtaining an optical image of a hand taken at the target moment; determining, based on the optical image, sample joint angles of the at least two sample finger joints of the sample user; and determining a correspondence relationship between each set of sample sensor data and sample joint angles.