323results about "Microphone structural association" patented technology

An assembly is provided which includes a package and a printed circuit board. The package includes a housing bounding a region and an acoustic sensor within the region. The housing includes a base with a first hole. The sensor is configured to generate signals indicative of sound received by the sensor through the first hole. The printed circuit board is in mechanical communication with the base and includes a second hole aligned with the first hole such that sound received by the second hole propagates through the first hole to the sensor. The printed circuit board further includes an electrically conductive layer, at least a portion of which extends across the second hole and is configured to allow the sound to propagate through the second hole and to at least partially shield the region containing the sensor from electromagnetic interference.

Aspects of transducers with feedback transduction are described. One aspect is a transducer system comprising an operational amplifier having an inverting input, a non-inverting input, and an output. The transducer system also includes a piezoelectric microelectromechanical system (MEMS) transducer having a first node and a second node, wherein the first node is coupled to the inverting input of the operational amplifier, and wherein the piezoelectric MEMS transducer is configured to generate an electrical signal across the first node and the second node in response to a signal incident upon the piezoelectric MEMS transducer. The transducer system also includes an attenuator having an input and an output, wherein the input of the attenuator is coupled to the output of the operational amplifier, and wherein the output of the attenuator is coupled to the second node of the piezoelectric MEMS transducer.

Provided are a voice call method, an apparatus, a terminal, and a storage medium, relating to the technical field of the terminal. The method includes: obtaining, in response to a voice call instruction, a display screen state of the flexible display screen, the display screen state comprising at least one of a roll-up state and a spread-out state; controlling, in response to the flexible display screen being in the roll-up state, the flexible display screen to spread out, wherein the first housing and the second housing move relative to each other while spreading out the flexible display screen, and wherein a distance between the sound receiving hole and a sound source after the spreading out is smaller than a distance between the sound receiving hole and the sound source before the spreading out; and collecting call voice through the radio microphone.

A wearable audio device may comprise a first directional loudspeaker having a first directionality, a second directional loudspeaker having a second directionality different from the first directionality, a communication interface configured to receive a communication audio signal, and a processor configured to operatively control the first directional loudspeaker, the second directional loudspeaker, and the communication interface. The processor may be configured to perform operations comprising detecting a relative mount position of wearable communication device, selecting a proximal loudspeaker to emit the communication audio signal in accordance with the relative mount position, wherein the proximal loudspeaker comprises one of the first directional loudspeaker and the second directional loudspeaker; and transferring the communication audio signal from the communication interface to the proximal loudspeaker in accordance with the selecting.

A microphone includes a shell assembly, a sound pickup assembly, a control assembly and a light-emitting assembly. The shell assembly includes a shell body with a first accommodating chamber. The sound pickup assembly includes a microphone head for sound pickup, wherein the microphone head is arranged on the shell assembly. The control assembly includes a first circuit board. The first circuit board is arranged in the first accommodating chamber, and is electrically connected to the microphone head. The light-emitting assembly includes a light-emitting unit. The light-emitting unit is arranged in the first accommodating chamber and is electrically connected to the first circuit board. The light-emitting unit is configured to allow emitted light to pass through a portion of the shell body.

The present disclosure discloses a microphone including a shell, a printed circuit board enclosing a cavity together with the shell, a first chip assembly located in the cavity, and a second chip assembly embedded and accommodated in the printed circuit board. The printed circuit board is a multilayer structure including a chip mounting layer, a first alignment layer, a plurality of shielding layers, a second alignment layer, and an SMT layer arranged in sequence, each of the plurality of shielding layers is connected with a grounding point of the printed circuit board and provided with an avoiding aperture running through it. Compared with the related art, the microphone disclosed by the present disclosure could avoid a heat generated by the operation of the first AISC chip and the second ASIC chip affecting the performance of other devices.

A lavalier microphone has improved dynamic range. The lavalier microphone incorporates a pair of microphone transducer elements into the same housing or attached housings, with one of the microphone transducer elements being more sensitive to acoustic input than the other. The voltage signals from the respective transducer elements are processed and combined, resulting in a digital output audio signal with improved signal to noise both at lower and higher input acoustic levels.

A wearable electronic device is provided. The wearable electronic device includes a first antenna structure disposed on an antenna carrier, a printed circuit board, a semiconductor packaging substrate packaged with the printed circuit board, a second antenna structure disposed on at least a portion of a surface of the semiconductor packaging substrate, and a contact structure electrically connecting the first antenna structure and the second antenna structure.

A microphone, comprising a housing (1), a circuit board (2) covering and fixed to the housing (1) and defining a first cavity (104) and a second cavity (105) together with the housing (1), a first chip assembly (3) fixed on the side of the circuit board (2) close to the housing (1) and located in the first cavity (104), and a second chip assembly (4) fixed on the side of the circuit board (2) close to the housing (1) and located in the second cavity (105), wherein the first chip assembly (3) comprises a first ASIC chip (301) and a first MEMS chip (302), and the second chip assembly (4) comprises a second ASIC chip (401) and a second MEMS chip (402). The microphone further comprises a first metal layer (5) fixed on the side of the circuit board (2) close to the housing (1) and surrounding both the first chip assembly (3) and the second chip assembly (4). The microphone can prevent the problem that heat generated by operation of the ASIC chips affects performance of other components by means of heat conduction via a substrate of the circuit board (2) or heat dissipation via thermal motion of air.

The application discloses a piezoelectric sensing unit, a piezoelectric microphone and a terminal. The piezoelectric sensing unit comprises a base, an auxiliary layer, a center film, a piezoelectric film and a plurality of cantilevers. The base has a cavity extending along a first direction, and the cavity forms a polygonal opening on a first surface of the base, the polygonal opening having adjacent first and second sides. The auxiliary layer is formed on the first surface of the base, and the auxiliary layer comprises a first auxiliary part located in a region adjacent to the first side of the first surface. The cantilevers are connected to the sides of the polygonal opening one by one, and each cantilever comprises a first end part and a second end part, the first end part is connected to the first auxiliary part, and the connection point of the first end part and the first auxiliary part is located on one side of the first auxiliary part close to the second side. The cantilever extends along the extension direction of the second side. The second end part of each cantilever is connected to the center film. In the scheme, the length of the cantilever is relatively long, which is beneficial to improving the signal-to-noise ratio of the piezoelectric microphone.

A headphone system can include an earbud that includes an earbud speaker, earbud communication circuitry and earbud power circuitry; and a headphone that includes a headphone speaker, an ear cushion, a headband, headphone communication circuitry, headphone power circuitry and an earbud socket that removably receives the earbud.

Certain embodiments of the disclosure relate to microphone-equipped wearable devices, and more particularly, to wearable devices worn on users' ear. According to certain embodiments of the disclosure, a wearable device comprises a speaker, a microphone, and a housing, the housing includes a protrusion configured to be insertable into a user's ear, a first sound path including a first opening formed through an area of a surface of the protrusion, extending from the first opening in a first length, and including a second opening facing the speaker, and a second sound path including a third opening formed through another area of the surface of the protrusion, extending from the third opening in a second length larger than the first length, and including a fourth opening facing the microphone. Other certain embodiments are also possible.

The invention relates to an earphone with an external accessory. The earphone comprises a body connecting part and the external accessory, the body connecting part comprises a first circuit board, at least one first connecting end part and a first fastener. The external accessory can be detachably installed on the body connecting part and comprises a second circuit board, at least one second connecting end part which is used for being electrically connected with the at least one first connecting end part, and a second joint part which is used for being mutually jointed with the first joint part. After the first joint piece and the second joint piece are mutually jointed and the at least one first connecting end part and the at least one second connecting end part are mutually electrically connected, when the external accessory comprising the second circuit board, the at least one second connecting end part and the second joint piece is rotated, the first joint piece rotates, and the second joint piece rotates. And the first circuit board and the at least one first connecting end part also rotate.

Earbud core of a bone conduction loudspeaker, characterized in that the earbud core of a bone conduction loudspeaker comprises: a magnetic circuit arrangement, a vibration arrangement, an external conductor and a support, wherein the vibration arrangement comprises a coil and an internal guide conductor, wherein the external conductor can transmit audio current to the coil for the vibration arrangement, wherein an end of the external conductor is connected to the internal guide conductor of the earphone core, wherein the support has a cable trough, wherein the external conductor and / or the internal conductor are at least partially arranged in the cable trough, wherein the internal guide conductor and the external guide conductor are welded together, and wherein the weld point is located in the cable trough.

Systems and methods for a MEMS microphone package are disclosed. The MEMS microphone package may include a first port to direct sound to a MEMS system, including a die substrate, an acoustic membrane, and one or more plates. The MEMS microphone package may include an ASIC to produce microphone output based on an electrical signal, a PCB, a lid, and a second port. The first port and the second port may define a front volume and a back volume respectively. The second port may increase the back volume to improve sensitivity and reduce the acoustic sensor's noise floor to improve signal-to-noise ratio.

A piezoelectric microelectromechanical systems microphone is provided comprising a substrate including at least one wall defining a cavity, the at least one wall defining an anchor region around a perimeter, a piezoelectric film layer forming a membrane, the piezoelectric film layer being supported at the anchor region by a spring region, and an electrode disposed over the piezoelectric film layer. A method of manufacturing such a MEMS microphone is also provided.

An attenuator circuit includes a microelectromechanical system (MEMS) device having an output for providing an analog output voltage; a switch having a first controlled node coupled to an output of the MEMS device, a second controlled node for receiving a replica analog output voltage, and a control node for receiving a control signal; and a capacitor coupled to the switch.

A horizontally-charging smart acoustic system includes a magnetic microphone, an interior of the magnetic microphone is provided with a microphone internal magnetic assembly and a flip speaker assembly. An exterior of the magnetic microphone is provided with multiple charging rings arranged along an axial direction of the magnetic microphone. The flip speaker assembly includes a speaker base provided with a microphone accommodating groove, a speaker internal magnetic assembly mounted under the microphone accommodating groove and arranged in correspondence to the microphone internal magnetic assembly, a charging probe assembly protruding into the microphone accommodating groove and in an electrical connection with each charging ring, and an upper cover assembly in a hinged connection with the speaker base. The horizontally-charging smart acoustic system provided in the present application can effectively solve the problem that the existing smart speaker cannot charge the microphone and causes a bad user experience.

Provided is an MEMS sensor module, comprising a side wall (1) enclosing a cavity, a first circuit board (2), a second circuit board (3), a partition wall (4) dividing the cavity into a first cavity (11) and a second cavity (12), a first MEMS sensor assembly (5) arranged in the first cavity (11) and encapsulated by glue (6), a second MEMS sensor assembly (7) arranged in the second cavity, a first gold finger layer (8) arranged between the side wall (1) and the partition wall (4) and the first circuit board (2), and a second gold finger layer (9) arranged between the side wall (1) and the partition wall (4) and the second circuit board (3), wherein the first gold finger layer (8) surrounds both the first cavity (11) and the second cavity (12), the second gold finger layer (9) surrounds both the first cavity (11) and the second cavity (12), and the first gold finger layer (8) at the partition wall (4) is provided with a slot (80) communicating the first cavity (11) with the second cavity (12). The MEMS sensor module can prevent a large amount of heat generated by an ASIC chip of one MEMS sensor assembly during operation from affecting the other MEMS sensor assembly.

An audio control system includes: an obtainer that obtains sound data indicating a sound picked up by a microphone disposed in a second space located in an area surrounding a first space used by a person; a storage in which sound source data is stored; and a controller that causes a loudspeaker disposed in the first space or the second space to reproduce an audio obtained from the sound source data more loudly in the second space than in the first space. The controller determines a loudness the sound indicated in the sound data obtained, and adjusts a sound volume of the audio outputted from the loudspeaker to be lower with an increase in the loudness of the sound determined.

The present application relates to a microphone and an electronic device having the same. The microphone can include a housing for receiving a sound signal, at least two transducers for generating an electrical signal in response to the sound signal, and a processing circuit for processing the electrical signal. Each of the at least two transducers can provide a unique formant to the microphone.

A microphone device capable of reducing vibration from a camera. The microphone device includes a microphone main body including a microphone element collecting sound, an attachment portion attached to the camera, and a connecting portion connecting them. The connecting portion includes a shock absorber that mitigates transmission of vibration from the camera to the microphone main body and a cover that houses the shock absorber. The shock absorber includes a first fixed portion fixed to the attachment portion, second fixed portions fixed to the cover, and elastic coupling portions that couple the first fixed portion and the second fixed portions. Each of the coupling portions has a curved portion that has first and second surfaces that face each other on an inner side of the curved portion, are capable of approaching and separating from each other, and are separated in a natural state in which no external force is applied.

A system is described that comprises a housing, a flexible printed board circuit, PCB, and a sensor. The flexible PCB has a first surface that is exposed to an environment and a second surface that is opposite the first surface. The flexible PCB is mounted to the housing by a mounting element. At least a portion of the flexible PCB is configured to vibrate when an acoustic wave reaches the first surface. The sensor is arranged on the second surface of the flexible PCB and is configured to measure vibrations of the flexible PCB and to output a corresponding electrical signal.

The invention relates to a microphone assembly, especially for external use for a vehicle, comprising: - a housing base comprising at least one compartment; - a PCBA (Printed Circuit Board Assembly) with at least one acoustic membrane; - a sealing cover at least partially overlapping the compartment; - wherein the sealing cover comprises at least one opening at least partially aligned with the acoustic membrane; - further comprising a housing cover; - wherein the housing cover comprises a first grid at least partially aligned with the opening in the sealing cover; - and a shielding cover; - wherein the shielding cover comprises a second grid at least partially aligned with the opening in the sealing cover; wherein the first grid and the second grid are offset aligned in order to provide a labyrinth path without a straight through passage from the outside of the microphone assembly to the acoustic membrane.

A charger 1 comprises: a housing 10 which has a placement surface; an insertion recesss 20 which is provided in the housing 10 and into which the lower part of a device to be charged is inserted in the lateral direction; a power supply unit 30 which is provided in the insertion recess 20 and supplies power by contacting a charging terminal provided at the lower part of the device to be charged; and a magnet part 40 which is provided adjacent to the power supply unit 30 and attracts the lower part.

A microphone apparatus includes a microphone element, a wiring, a first member, a second member, a holder, and a housing. The microphone element, the wiring, the first member, the second member, and the holder are arranged inside the housing. The holder holds at least one of the first member and the second member. The wiring electrically connects the microphone element to at least one of the first member and the second member. At least a portion of the wiring is accommodated in a space formed by the holder, the first member, and the second member.

A handheld wireless microphone body may be connected to an assortment of microphone heads, where minor variations in the frequency response of microphone heads from one to the next are accounted for using compensation filters based on unique calibration data collected as part of the manufacturing process. Multiple reference microphone heads, which may be different make and model, can be used to collect different sets of calibration data specific for each make and model. One or more unique sets of calibration data for each microphone head, or data enabling access to the calibration data, may be embedded into EEPROM on the microphone head.

Techniques for a wireless remote speaker microphone entering an inactive operational state upon detection of a forced displacement are provided. A wireless remote speaker microphone paired with a portable radio periodically samples input from an inertial measurement unit coupled to the wireless remote speaker microphone, to detect motion of the wireless speaker microphone. It is determined that the motion of the wireless remote speaker microphone is a forced displacement motion. The wireless remote speaker microphone enters an inactive operational state.