Patents Examined by Julie X Dang
  • Patent number: 11943585
    Abstract: An air-pulse generating device includes a film structure including a flap pair. The film structure is actuated to perform a common mode movement, so as to form an amplitude-modulated ultrasonic air pressure variation with an ultrasonic carrier frequency. The film structure is actuated to perform a differential mode movement, so as to form an opening at a rate synchronous with the ultrasonic carrier frequency. The air-pulse generating device produces a plurality of air pulses according to the amplitude-modulated ultrasonic air pressure variation.
    Type: Grant
    Filed: May 22, 2023
    Date of Patent: March 26, 2024
    Assignee: xMEMS Labs, Inc.
    Inventors: Jemm Yue Liang, Jye Ren, Eldwin Jiaqiang Ng
  • Patent number: 11930315
    Abstract: Disclosed is an open earphone, comprising a sound production component and an ear hook. The ear hook may include a first portion and a second portion connected in sequence. The first portion may be hung between the auricle of a user and the head of the user, the second portion may extend toward a front outer side of the auricle and connect the sound production component, and the sound production component may be located close to the ear canal but not block the opening of the ear canal; wherein the sound production component and the auricle may have a first projection and a second projection on a sagittal plane, respectively, a centroid of the first projection may have a first distance from a highest point of the second projection in a vertical axis direction, a ratio of the first distance to a height of the second projection in the vertical axis direction may be within a range of 0.25-0.
    Type: Grant
    Filed: August 16, 2023
    Date of Patent: March 12, 2024
    Assignee: SHENZHEN SHOKZ CO., LTD.
    Inventors: Lei Zhang, Peigeng Tong, Guolin Xie, Yongjian Li, Jiang Xu, Tao Zhao, Duoduo Wu, Ao Ji, Xin Qi
  • Patent number: 11930327
    Abstract: A hearing aid assembly includes a receiver speaker enclosed within a receiver housing. The receiver housing defines a circuitous receiver acoustic channel, wherein the receiver channel defines an open side along at least a portion of the receiver channel. The receiver channel also defines a pass-through passage extending from a first side of the receiver housing to a second side of the receiver housing, wherein the pass-through passage is partially defined by the wall defining a receiver opening. The hearing aid assembly also includes an earbud configured to fit over at least a portion of the receiver housing and partially cover the open side of the receiver channel.
    Type: Grant
    Filed: January 26, 2023
    Date of Patent: March 12, 2024
    Assignee: Starkey Laboratories, Inc.
    Inventors: Sidney A. Higgins, Brian Thomas Dahl
  • Patent number: 11930338
    Abstract: A display apparatus includes a display panel configured to display an image by emitting light, and a sound generating device on a rear surface of the display panel. The sound generating device includes a bobbin, and a protection member on the bobbin.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: March 12, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: YeongRak Choi, KwanHo Park, Sungtae Lee
  • Patent number: 11930344
    Abstract: An audio device according to an embodiment set forth in the present document comprises: a housing comprising a first surface, a second surface that faces the first surface, and side surfaces that surround the space between the first surface and the second surface; a vibration element disposed on the first surface; a microphone which acquires sound generated by the vibration of an external object by the vibration element; a printed circuit board disposed inside the housing; a processor disposed on the printed circuit board; and a communication circuit which is electrically connected to the processor, and receives a first audio signal from an external electronic device, wherein the processor, when the vibration element is attached to an external object, generates a second audio signal such that the vibration element vibrates the external object, causes the microphone to acquire a third audio signal generated by the vibration of the external object, corrects the first audio signal on the basis of the deviation b
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: March 12, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Oanjin Kim
  • Patent number: 11924596
    Abstract: A system and method for providing visual and acoustical signals that includes a light emitting display having light sources and a display surface, and perforations extending perpendicularly to the display surface and disposed between the light sources, at least one loudspeaker positioned behind the light emitting display. The perforations have a non-cylindrical shape. The openings on the side of the light sources occupies at least 5% of the area of the light emitting display for sound passing through.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: March 5, 2024
    Assignee: BARCO N.V.
    Inventors: José Ramón Menzinger, Ronny Van Belle, Daniel De Caster
  • Patent number: 11910138
    Abstract: A microphone assembly can include a microelectromechanical systems (MEMS) transducer comprising a transducer substrate, a diaphragm oriented substantially parallel to the transducer substrate and spaced apart from the transducer substrate to form a gap, and a counter electrode coupled to the transducer substrate, the counter electrode positioned between the diaphragm and the transducer substrate. The MEMS transducer can generate a signal representative of a change in capacitance between the counter electrode and the diaphragm. A back volume of the MEMS transducer can be an enclosed volume positioned between the transducer substrate and the diaphragm. The microphone assembly can include an integrated circuit that receives the signal, wherein every point within the back volume is less than a thermal boundary layer thickness from a nearest solid surface at an upper limit of an audio frequency band that the integrated circuit is monitoring.
    Type: Grant
    Filed: October 15, 2022
    Date of Patent: February 20, 2024
    Assignee: Knowles Electronics, LLC
    Inventors: Vahid Naderyan, Michael Pedersen, Peter V. Loeppert
  • Patent number: 11892885
    Abstract: A portable information handling system glass ceramic housing has a cut out section at an opening and a speaker chamber cover disposed in the opening to integrate a speaker at a bottom front side of the housing. A speaker coil couples to the housing section to align with a speaker magnet coupled to the speaker chamber cover to generate audible sound in a speaker chamber defined when the housing section couples over the opening. A polymer material is disposed between the housing section and housing, and the housing section is cut out with an upward curve, so that audible sound is directed upwards from the housing and towards an end user of the information handling system.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: February 6, 2024
    Assignee: Dell Products L.P.
    Inventors: Duck-Soo Choi, Peng Lip Goh, Deeder M. Aurongzeb
  • Patent number: 11889248
    Abstract: The present invention provides a MEMS microphone, including: a base with a back cavity; and an electric capacitance system arranged on the base. The electric capacitance system includes a back plate, a first diaphragm and a second diaphragm opposite to the back plate and arranged on an upper and lower sides of the back plate. The MEMS microphone further includes an insulation layer isolating the base, the back plate, the first diaphragm and the second diaphragm, and a sealing space formed between the first diaphragm and the second diaphragm. The pressure in the sealing space is equal to an external pressure.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: January 30, 2024
    Assignee: AAC Acoustic Technologies (Shenzhen) Co., Ltd.
    Inventors: Zhenkui Meng, Zhengyan Liu
  • Patent number: 11884535
    Abstract: A package structure includes a first substrate and a first device disposed on the first substrate. The first device includes at least one anchor structure, a film structure anchored by the anchor structure and an actuator configured to control the film structure to form a first vent temporarily. The film structure partitions a space into a first volume to be connected to an ear canal and a second volume connected to an ambient of a wearable sound device. The ear canal and the ambient are connected via the first vent when the first vent is opened. The first vent is opened by controlling a first membrane portion and a second membrane portion of the film structure, such that a difference between a first displacement of the first membrane portion and a second displacement of the second membrane portion is larger than a thickness of the film structure.
    Type: Grant
    Filed: June 17, 2022
    Date of Patent: January 30, 2024
    Assignee: xMEMS Labs, Inc.
    Inventors: Jemm Yue Liang, Chiung C. Lo, Martin George Lim, Wen-Chien Chen, Michael David Housholder, David Hong
  • Patent number: 11882408
    Abstract: An earpiece for a hearing device, includes: an earpiece housing comprising an ear canal portion and an outer ear portion, the ear canal portion extending along an ear canal axis for positioning in an ear canal of a user, the ear canal portion having a first end; a first microphone for detecting ambient sound via a first input port in the earpiece housing; a second microphone; and a receiver for providing an audio output signal to the ear canal when the earpiece is inserted in an ear of the user; wherein the first microphone is arranged at a first distance from the first input port, wherein the first distance is at least 2 mm when measured parallel to a main plane having a main plane normal parallel to a main axis, the main axis forming a first main angle that is less than 30 degrees with the ear canal axis.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: January 23, 2024
    Assignee: GN HEARING A/S
    Inventor: Erik Alan Lindberg
  • Patent number: 11877118
    Abstract: The present disclosure provides a magnetic system within a case for an electronic accessory. The case may include a housing portion and a lid coupled to the housing portion. Within the housing portion may be a housing magnet. The housing magnet may be oriented such that the magnetic field of the housing magnet is oriented transverse to a longitudinal axis of the case. The housing magnet may have a size and strength to magnetically couple the electronic accessory within a cavity of the housing. A hinge magnet may be located along an axis of rotation of the lid with respect to the housing. The hinge magnet and housing magnet may magnetically interact to form a bistable magnetic hinge. Thus, the one housing magnet may be large enough and have a strong enough magnetic field to perform various functions.
    Type: Grant
    Filed: March 3, 2023
    Date of Patent: January 16, 2024
    Assignee: Google LLC
    Inventors: Bryan Macomber, Troy Edwards, Melissa Zucker, Peter Michael Cazalet, Kevin Kurtz, Yao Ding
  • Patent number: 11871203
    Abstract: A method for controlling a loudspeaker having an electromechanical force transducer and a diaphragm by: Providing a non-linear electromechanical model configured to apply one or more desired conditions to a loudspeaker input digital audio signal, i.e. to an analogic input signal converted in a digital input signal; Providing an inverse non-linear electromechanical model of the transducer configured to receive a signal processed by the non-linear model and to linearize at least one mechanical and/or electrical and/or electromechanical non-linearity of the transducer; Converting the digital output signal of the electromechanical model into an analog signal for the transducer, So that the output signal comprises an input voltage signal for the transducer and at least the second non-linear model is a digital wave filter (hereinafter referred to as Wave Digital Filters, WDF) to provide a directly computable function in the discrete-time domain to get the input voltage signal for the transducer.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: January 9, 2024
    Assignee: ELETTROMEDIA S.P.A.
    Inventors: Alberto Bernardini, Lucio Bianchi, Pietro Pantaleone, Augusto Sarti
  • Patent number: 11871175
    Abstract: An earbud cover is implemented that secures to an earbud and protects at least the earbud's exterior surface from external damage. The earbud cover includes an upper body portion that conforms to the shape of the earbud's bulky body, a mid-section that conforms to the shape of the earbud's thinner body, and a bottom portion underneath a bottom surface of the earbud. While the upper body portion, mid-section, and bottom portion have been used to describe the earbud, other characterizations of the earbud's design are also possible. The earbud includes a cutout/opening corresponding to the earbud's I/O interface, such as its speaker or microphone. While a single cutout/opening is shown in the pictures, multiple openings may be utilized depending on the specific earbud. The bottom portion of the earbud also includes a hole that may be used to carry around the covers more easily, such as on a keychain.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: January 9, 2024
    Inventor: Jini Peang
  • Patent number: 11832050
    Abstract: Aspects are disclosed of an apparatus comprising an assemblage of beads. The assemblage includes a plurality of beads formed from a zeolite and a polymeric binder. At least one bead in the plurality of beads has a shape including a base shape having a continuous exterior formed of a first dome portion and a second dome portion, the first and second dome portions being joined together to form a spheroid with a polar axis, a polar dimension along the polar axis, and a transverse dimension normal to the polar axis, and an indentation formed in one of the first and second domed portions, the indentation having a depth and extending toward a center of the base shape along and in the direction of the polar axis and a width in the direction normal to the polar axis.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: November 28, 2023
    Assignee: Apple Inc.
    Inventors: Juergen Sauer, Andrey Gavryushin
  • Patent number: 11805366
    Abstract: The present invention provides a multifunctional electromagnetic transducer including: a housing providing with an accommodation space; a speaker received in the accommodation space, the speaker including: a first vibration system with a voice diaphragm, and a first magnetic circuit system fixed to the housing driving the voice diaphragm to vibrate along a first direction and generate sounds; a vibrator received in the accommodation space driving the multifunctional electromagnetic transducer to vibrate along a second direction, the vibrator including: a second vibration system with a vibration diaphragm, and a second magnetic circuit system flexible suspending on the housing driving the voice diaphragm to vibrate; wherein the voice diaphragm, the voice diaphragm and a housing enclosed a rear chamber.
    Type: Grant
    Filed: December 31, 2021
    Date of Patent: October 31, 2023
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Bo Xiao, Ronglin Linghu
  • Patent number: 11805369
    Abstract: A sounding device includes a frame, a vibration system, and a magnetic circuit system. The vibration system includes a diaphragm, a voice coil, and elastic support assemblies. The voice coil is inserted into a magnetic gap of the magnetic circuit system for driving the diaphragm to vibrate and produce sound. The elastic support assemblies are fixed to the frame and spaced apart from the diaphragm. The elastic support assemblies include elastic pieces. The elastic pieces include first fixed arms fixed to the frame, second fixed arms spaced apart from the first fixed arms and supporting the voice coil, first elastic arms connecting the first fixed arms with the second fixed arms, and second elastic arms connecting the first elastic arms with the second fixed arms. Compared with the related art, the sounding device has long service life and high reliability.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: October 31, 2023
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Bo Xiao, Ronglin Linghu
  • Patent number: 11778384
    Abstract: The present disclosure relates to a magnetic circuit assembly of a bone conduction speaker. The magnetic circuit assembly may generate a first magnetic field. The magnetic circuit assembly may include a first magnetic element, and the first magnetic element may generate a second magnetic field. The magnetic circuit may further include a first magnetic guide element and at least one second magnetic element. The at least one second magnetic element may be configured to surround the first magnetic element and a magnetic gap may be configured between the second magnetic element and the first magnetic element. A magnetic field strength of the first magnetic field within the magnetic gap may exceed a magnetic field strength of the second magnetic field within the magnetic gap.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: October 3, 2023
    Assignee: SHENZHEN SHOKZ CO., LTD.
    Inventors: Lei Zhang, Fengyun Liao, Xin Qi
  • Patent number: 11770655
    Abstract: The present disclosure discloses a sounding device including a frame, a vibration system, and a magnetic circuit system. The vibration system includes a diaphragm, and a voice coil. The magnetic circuit system includes a yoke, a magnet assembly, and a magnetic gap. The yoke includes a bottom wall, a side wall in an annular shape extending from an edge of the bottom wall toward the diaphragm, and a flange extending from an end of the side wall close to the diaphragm toward the frame. An end of the flange away from the side wall is fixed to the frame. Compared with the related art, the sounding device disclosed by the present disclosure has a better reliability.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: September 26, 2023
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Wei Song, Xin Jin, Zhiwei Zhong
  • Patent number: 11770654
    Abstract: The present disclosure provides speaker device. speaker device includes frame, vibration unit fixed to frame and magnetic circuit unit driving vibration unit to vibrate and produce sound, where magnetic circuit unit is provided with magnetic gap; vibration unit includes diaphragm fixed to frame, holder fixed to diaphragm by injection molding and voice coil inserted in magnetic gap and connected to holder; holder includes bottom wall that is fixed to diaphragm and provided with pair of long edges and pair of short edges, and pair of side walls bending and extending from outer peripheries of short edges of bottom wall to magnetic circuit unit; side walls each are provided with chamfered portions on sides close to long edges. Present disclosure solves problem of deformation of holder molded in mold, thereby improving evenness of holder after molding.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: September 26, 2023
    Assignee: AAC Microtech (Changzhou) Co., Ltd.
    Inventors: Ping Liang, Bin Zhao