A vibration generator is provided, which includes a housing defining a receiving space, a control assembly fixed in the receiving space, and a vibration assembly received in the receiving space. The control assembly can generate an alternating magnetic field. The vibration assembly is movably received in the receiving space and includes a magnet and a vibration sheet. The vibration sheet is connected to the magnet and the housing. The magnet is configured to vibrate back and forth in the alternating magnetic field and transmits the vibrations to the housing.
H02K 33/16 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
H02K 33/18 - Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
The present disclosure provides a voice coil structure and a loudspeaker. The voice coil structure includes a substrate, a first wiring layer disposed on the substrate, and a first insulation layer disposed on the first wiring layer. The first wiring layer has a winding structure. The first wiring layer further includes a first end and a second end. The first insulation layer defines a through hole and a first notch. The first end is exposed from the through hole, and the second end is exposed from the first notch.
A bone conduction receiver includes a housing, a vibrating plate, a bracket, a magnetic loop assembly, a coil, and a protective cover. The vibrating plate is disposed inside the housing and keeps a distance from an inner bottom of the housing. The protective cover is located on one side of the vibrating plate, facing away from the inner bottom of the housing, and covers the opening of the accommodation room. The bracket is located on the side of the vibrating plate, facing away from the inner bottom of the housing. The magnetic loop assembly is secured in the bracket. One end of the coil is fixed to an inner side of the protective cover, and another end of the coil extends into the bracket and surrounds the magnetic loop assembly.
A loudspeaker using a semiconductor voice coil includes a vibrating assembly and a magnetic force assembly. The magnetic force assembly and the vibrating assembly are arranged at an interval. The vibrating component includes a diaphragm and the semiconductor voice coil. The semiconductor voice coil is arranged on a side of the diaphragm. The magnetic force assembly and the semiconductor voice coil are arranged on the same side of the diaphragm. A magnetic gap is defined in the magnetic force assembly. The semiconductor voice coil is arranged in the magnetic gap. The magnetic field lines in the magnetic gap are perpendicular to the direction of current in the semiconductor voice coil. An electronic device including the loudspeaker is also disclosed.
A speaker includes a speaker body and a diaphragm. The diaphragm is a planar structure. The speaker body includes a positioning structure. The positioning structure has a cavity penetrating front and back sides of the positioning structure. The diaphragm is positioned on the positioning structure. The diaphragm is in the form of a planar structure, instead of a curved or spherical structure. The planar structure of the diaphragm is simplified, so that the manufacturing process of the diaphragm is simpler.
A one-piece speaker having a built-in sound cavity includes a holder, a casing, a diaphragm, a voice coil, a washer, a magnet, a U-shaped cup, and a circuit board assembly. The speaker has its built-in sound cavity, so that the assembly is more convenient and flexible. The overall structure is simpler and easy to be produced. The sound cavity is larger, the sound sensitivity is better, and there is no need to distinguish between mid and low sounds. The bandwidth is larger, the response speed is faster, the signal frequency allowed to pass is high, the signal distortion is small, and the sound quality is better.
H04R 9/04 - Construction, mounting, or centering of coil
H04R 9/02 - Transducers of moving-coil, moving-strip, or moving-wire type Details
H04R 7/18 - Mounting or tensioning of diaphragms or cones at the periphery
H04R 1/34 - Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
A conduction receiver utilizing sound transmission through a solid medium includes an outer casing, a vibration reed, a magnet, a washer, a coil, and a lid. The lid covers surfaces of the outer casing to form a sealed first receiving space. The vibration reed, the magnet, the washer, and the coil are all arranged in the first receiving space. A peripheral surface of the vibration reed is coupled to the outer casing. The magnet is arranged at a side of the vibration reed away from a bottom of the outer casing. The washer is arranged at a side of the magnet away from the vibration reed. A first end of the coil is fixed to an inner surface of the lid, and a second end of the coil extends into the first receiving space and is coiled around the magnet and the washer. An electronic device is also provided.
A TWS bone conduction earphone includes an earphone housing and an earphone body. The earphone housing is configured to accommodate the earphone body. The earphone body includes a storage module, a Bluetooth module and a bone conduction module. The storage module is configured to store a Bluetooth address corresponding to a Bluetooth device to be connected and paired. The Bluetooth module is configured to establish a communication with the corresponding Bluetooth device according to the Bluetooth address to obtain an audio signal from the Bluetooth device. The bone conduction module vibrates according to the audio signal for transmitting sounds through ossicles. Using Bluetooth technology, bone conduction wireless answering is realized, without the restriction of the earphone cable. It is more convenient to use, and the sound transmission is realized through bone conduction without damaging hearing.
Disclosed are bone conduction Bluetooth earphone, and a combination thereof with a charging base. The bone conduction Bluetooth earphone comprises a main body of the earphone, and a PCB board, a wireless module, and a rechargeable battery disposed within the main body of the earphone. The wireless module and the rechargeable battery are both electrically connected to the PCB board. The main body of the earphone is further provided with a bone conduction speaker module therein, and the bone conduction speaker module is electrically connected to the PCB board. The main body of the earphone comprises a main body portion and a housing connected to the main body portion. The main body portion and the housing have a first installation cavity and a second installation cavity, respectively, and the first installation cavity and the second installation cavity communicate with each other. The PCB board and the wireless module are installed in the first installation cavity. The rechargeable battery and the bone conduction speaker module are installed in the second installation cavity. In this way, the invention realizes a bone conduction Bluetooth earphone design, addresses the problems of air conduction-based speakers that require high air impermeability, have a need for a resonant cavity, and are inconvenient to tune and assemble. The invention has a smart and practical structural design, thereby facilitating manufacturing.
A combination of a bone conduction Bluetooth earphone and a charging base includes an earphone body, a PCB, a wireless module, and a rechargeable battery. The PCB, the wireless module and the rechargeable battery are disposed in the earphone body. The wireless module and the rechargeable battery are electrically connected to the PCB. It realizes the design of the bone conduction Bluetooth earphone and solves the problem that an air conduction speaker needs good air tightness, a resonant chamber and tuning and is inconvenient for assembly. The structural design is clever and reasonable, and it is easy for production.
The present invention relates to an electret capacitor microphone with a small noise coefficient and a manufacturing method thereof, comprising a housing and an electret type variable capacitor mounted in the housing, and an ASIC amplifier, wherein the ASIC amplifier is mounted on a PCB board, and the PCB board is provided with an output end; the electret type variable capacitor is electrically connected to the ASIC amplifier, and the ASIC amplifier is electrically connected to the output end of the PCB board; the manufacturing method comprises the following steps: preparation steps: preparing the housing, the electret type variable capacitor, and the ASIC amplifier, and the ASIC amplifier is bonded onto the PCB board by using a COB process; assembly steps: firstly, assembling the electret type variable capacitor into the housing, then assembling the ASIC amplifier together with the PCB board into the housing, and forming an electrical connection between the ASIC amplifier and the electret type variable capacitor; the noise coefficient is effectively reduced, the normal transmission of the effective sound is ensured, in particular, the stability and reliability of the ASIC amplifier during use are ensured. Moreover, the process flow is simple, the process efficiency is high, and the processing cost is low.
An electret condenser microphone with a low noise figure and a method for producing the same are disclosed. An electret variable condenser is first installed into a housing, and then an ASIC amplifier and a printed circuit board are installed into the housing. The ASIC amplifier is electrically connected to the electret variable condenser. It reduces the noise figure effectively and ensures the normal transmission of the effective sound. In particular, it ensures the stability and reliability of the ASIC amplifier during use. The process is simple, the production efficiency is high, and the processing cost is low.
A noise cancelling earphone includes an earphone housing, a filter module, and a speaker. The filter module and the speaker are installed in the earphone housing. The filter module includes a printed circuit board, a microphone, and a filter unit. The microphone and the filter unit are respectively disposed on the printed circuit board. The filter unit is electrically connected between the microphone and the speaker. The filter module is arranged in the earphone. The structural design is reasonable, the space is effectively utilized, the structure is compact, and the assembly is convenient.
G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effectsMasking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
09 - Scientific and electric apparatus and instruments
Goods & Services
Microphones; horns for loudspeakers; vibration sensors;
portable media players; pickups for telecommunication
apparatus; earphones; in-ear headphones; headphones;
wireless headsets for use with cellular phones.
16.
In-ear headphone having MMCX socket and detachable in-ear headphone assembly
An in-ear headphone having an MMCX socket and a detachable in-ear headphone assembly are provided. The in-ear headphone includes a headphone housing and a speaker assembly disposed in the headphone housing. The headphone housing includes a first housing and a second housing to be connected with each other. The first housing has a first interface portion extending from one end thereof. The second housing has a second interface portion extending from one end thereof. The first interface portion and the second interface portion jointly form an interface.
An electrostatic loudspeaker and an electrostatic headphone are provided. The electrostatic loudspeaker includes a first back grid portion, a second back grid portion, a diaphragm portion, and an audio amplifier circuit module. The two polarized and charged back grid portions are combined with the diaphragm portion to form two alternating electric fields, providing great sound. The structure is simple and can be assembled conveniently.
A freely adjustable ergonomic bone conduction earphone rack and bone conduction earphone using the same are disclosed. The rack includes a head-mounted unit, ear-hung units and mounting units, where the ear-hung unit is respectively configured on the two ends of the head-mounted unit, and the mounting unit is coupled to the ear-hung unit; the mounting unit has a connection section in connection with the ear-hung unit and mounting section for the mounting of a bone conduction vibrator, where at least the connection section is a soft plastic body, and the mounting unit is configured to be adjustable freely multi-directional relatively to the ear-hung unit with the deformation of the connection section.
A high sound quality piezoelectric speaker includes a moving coil speaker, a support frame, a vibration plate, and a piezoelectric ceramic plate. The support frame is arranged on the moving coil speaker and the vibration plate is positioned on the support frame. With the piezoelectric ceramic plate being positioned on the vibration plate, the moving coil speaker and the piezoelectric ceramic plate may collaboratively and better handle both high-frequency and low-frequency sounds, exhibiting relatively wide playback band and making sound quality better, to thereby reach the standard of high sound quality and provide users with improved enjoyment of sound perception.
H04R 1/24 - Structural combinations of separate transducers or of parts of the same transducer and responsive respectively to two or more frequency ranges
A package-integrable high sound quality voice coil loudspeaker structure includes a metal shell, and a diaphragm, voice coil washer, magnet, T iron and PCB packed integrally inside the metal shell; the metal shell has a cylindrical side wall and bottom wall, and a sound output is opened on the bottom wall, with a lengthened cylinder in communication with the first sound output being projected outward integrally from the bottom face of the bottom wall. Therefore, the present invention utilizing the metal shell to pack all components integrally simplifies the assembly process, and has a good waterproof performance. In addition, the configuration of the lengthened cylinder improves the sound quality.
A moving iron sounding device includes a casing, a diaphragm sounding system, and a magnetic circuit system. The magnetic circuit system includes a dual-rectangle-shaped magnetic circuit, an inductance coil, and an armature. The diaphragm sounding system includes a support ring and a composite diaphragm. The composite diaphragm includes a diaphragm sheet and a metal sheet. One end of the metal sheet is welded to the vibration portion through a connecting arm, and another end of the metal sheet is connected to the support ring. The present invention achieves a stable connection of the diaphragm sounding system and the magnetic circuit system and ensures the quality of the product. During the process of assembly, the adhesive won't be spilled on the diaphragm.
A high bass speaker monomer comprises a framework, a magnetic air loop component and a vibration membrane. The frame work is disposed at a central position of the frame work. A hollow structure is formed on the framework and around the magnetic air loop component. An isolation ring formed on the framework divides the hollow structure into at least one high tone region and bass region respectively located near and far away from the magnetic air loop component. The vibration membrane is disposed on the framework and covers the magnetic air loop component and the two regions. The high bass speaker monomer is disposed in a casing body to construct a high bass earphone structure. The isolation ring separates the high tone from the low tone to prevent them from mixing. Therefore, the sound of the earphone is more stable and the quality of the sound is better.
H04R 1/24 - Structural combinations of separate transducers or of parts of the same transducer and responsive respectively to two or more frequency ranges
H04R 1/28 - Transducer mountings or enclosures designed for specific frequency responseTransducer enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
An acoustic metal diaphragm comprises a diaphragm base made of an organic material and a metal-plated layer. The diaphragm base has a smooth surface. The metal-plated layer is adhered to the smooth surface of the diaphragm base by an intermediate layer. The intermediate layer is disposed between the diaphragm base and the metal-plated layer. The metal-plated layer is made of pure beryllium or a beryllium alloy. Accordingly, the diaphragm base is made of the organic material and provided with a smooth surface. The intermediate layer allows the metal-plated layer to be adhered to the smooth surface more firmly. Using the pure beryllium or beryllium alloy to manufacture the metal-plated layer increases the rigidity of the diaphragm base and maintains the softness thereof to slow down the attenuation of the bandwidth, attain a wider frequency band, solve the problem of the high frequency and increase the quality of the sound.
A contact type electret condenser pickup to deliver high anti noise, top talking quality, and comprehensive range of applications includes a casing provided with an accommodation chamber to contain an O-ring, a vibration part, an insulation packing, a back plate retaining ring containing a back plate, a conductive connection ring, and a circuit board horizontally placed in sequence; vibration of a sound of a user is transmitted to the vibration part; then an inertia vibration of the metal sheet changes capacitance between the vibration part and the back plate; the changed vibration is converted through the circuit board set into voltage of alternating signals for output variable according to changes of vibration.
