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公开(公告)号：US20150310847A1
公开(公告)日：2015-10-29
申请号：US14795298
申请日：2015-07-09
Applicant: Apple Inc.
Inventor： Ruchir M. Dave , Shaohai Chen
IPC: G10K11/178
CPC classification number: G10K11/178 , G10K11/16 , G10K2210/1081 , G11C13/00 , G11C13/0023 , G11C13/0061 , H04M1/6041 , H04M1/72591 , H04R1/1083 , H04R25/554 , H04R2225/41 , H04R2225/49 , H04R2225/51 , H04R2460/01 , H04R2499/11
Abstract: A portable audio device, which includes active noise cancellation circuitry, a hearing aid compliant magnetic radiator, and a speaker/earpiece, is surrounded by ambient acoustic noise. The active noise cancellation circuitry provides an anti-noise signal at an input of the speaker to control/reduce the ambient acoustic noise outside of the device. In addition, the active noise cancellation circuitry provides an inverse anti-noise signal to an input of the magnetic radiator. The magnetic fields produced by the speaker driven by the anti-noise signal and the magnetic radiator driven by the inverse anti-noise signal cancel each other out through phase cancellation such that a hearing aid using a telecoil coupled to the audio device does not produce significant audio waves based on either of these signals. Other embodiments are also described.
Abstract translation: 包括有源噪声消除电路，助听器兼容的磁性散热器和扬声器/听筒的便携式音频设备被环境噪音包围。 有源噪声消除电路在扬声器的输入端提供抗噪声信号，以控制/降低设备外部的环境噪声。 此外，主动噪声消除电路向磁性散热器的输入提供反向抗噪声信号。 由抗噪声信号驱动的扬声器产生的磁场和由反相噪声信号驱动的磁辐射器通过相位消除相互抵消，使得使用耦合到音频装置的拾音线圈的助听器不产生显着的 基于这些信号之一的音频波。 还描述了其它实施例。
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公开(公告)号：US09106987B2
公开(公告)日：2015-08-11
申请号：US13937056
申请日：2013-07-08
Applicant: Apple Inc.
Inventor： Scott P. Porter , Christopher Wilk , Ruchir M. Dave
Abstract: Embodiments of the invention include a micro speaker assembly that has two drivers, each having a separate yoke, set of magnets, voice coil, and acoustic diaphragms. One driver may produce high frequency (HF) sound while the other produces low frequency (LF) sound. The two drivers may be packaged, side-by-side, within the same micro speaker acoustic enclosure. The drivers may have their respective magnet systems physically connected to each other, in order to enhance heat transfer from one to the other. In particular, a thermally conductive portion or bridge may be used to directly join or thermally connect adjacent edges of the yoke portions of the two magnet systems, in order to enhance heat transfer between the first and second micro speaker drivers. Thus, the assembly can handle more power without overheating. Other embodiments are also described and claimed.
Abstract translation: 本发明的实施例包括具有两个驱动器的微型扬声器组件，每个驱动器具有单独的轭，一组磁体，音圈和声隔膜。 一个驱动器可能产生高频（HF）声音，而另一个产生低频（LF）声音。 两个驱动器可以并排包装在同一个微型扬声器声学封套内。 驱动器可以将其各自的磁体系统彼此物理连接，以便增强从一个到另一个的热传递。 特别地，导热部分或桥接件可用于直接连接或热连接两个磁体系统的磁轭部分的相邻边缘，以便增强第一和第二微型扬声器驱动器之间的热传递。 因此，组件可以处理更多的功率而不会过热。 还描述和要求保护其他实施例。
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公开(公告)号：US11665470B2
公开(公告)日：2023-05-30
申请号：US17323790
申请日：2021-05-18
Applicant: Apple Inc.
Inventor： Christopher Wilk , Ruchir M. Dave , Scott P. Porter
CPC classification number: H04R1/288 , B01D53/04 , B01D2253/102 , B01D2253/108 , B01D2259/45 , H04R1/2849
Abstract: An audio speaker having a speaker housing surrounding a back volume that is divided into a rear cavity behind a speaker driver and an adsorption cavity separated from the rear cavity by a permeable partition, is disclosed. More particularly, the adsorption cavity may be defined between the speaker housing and the permeable partition, and may be directly filled with adsorptive particles to adsorb gas during sound generation. The permeable partition may allow the gas to flow between the rear cavity and the adsorption cavity, and may retain the adsorptive particles within the adsorption cavity. Other embodiments are also described and claimed.
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公开(公告)号：US11100349B2
公开(公告)日：2021-08-24
申请号：US16456839
申请日：2019-06-28
Applicant: Apple Inc.
Inventor： Sawyer I. Cohen , Justin D. Crosby , Ruchir M. Dave , Martin E. Johnson , Benjamin J. Pope , Darius A. Satongar
Abstract: The present disclosure generally relates techniques for audio-assisted enrollment of biometric features. In some embodiments, methods and devices for assisting users with enrollment of biometric features, using spatial audio cues, are described.
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公开(公告)号：US11026018B2
公开(公告)日：2021-06-01
申请号：US16883802
申请日：2020-05-26
Applicant: Apple Inc.
Inventor： Christopher Wilk , Ruchir M. Dave , Scott P. Porter
Abstract: An audio speaker having a speaker housing surrounding a back volume that is divided into a rear cavity behind a speaker driver and an adsorption cavity separated from the rear cavity by a permeable partition, is disclosed. More particularly, the adsorption cavity may be defined between the speaker housing and the permeable partition, and may be directly filled with adsorptive particles to adsorb gas during sound generation. The permeable partition may allow the gas to flow between the rear cavity and the adsorption cavity, and may retain the adsorptive particles within the adsorption cavity. Other embodiments are also described and claimed.
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Patent Agency Ranking
公开(公告)号：US10469941B2
公开(公告)日：2019-11-05
申请号：US15676210
申请日：2017-08-14
Applicant: Apple Inc.
Inventor： Ruchir M. Dave , Jesse A. Lippert , Nikolas T. Vitt , Scott P. Porter , Eugene Fox
Abstract: An acoustic transducer can have an acoustic diaphragm defining a barometric vent configured to equalize a barometric pressure-gradient across the acoustic diaphragm. Such a barometric vent can be formed by an aperture through the acoustic diaphragm. A gas-permeable vent membrane can be coupled with the acoustic diaphragm and extend across the aperture. The vent membrane can inhibit movement of liquid across the vent membrane. An acoustic-transducer module can include a chassis a chassis configured to mount the acoustic-transducer module to another module, and a suspension system can movably couple the acoustic diaphragm with the chassis. Such an acoustic-transducer module can sealably couple with a housing of a water-resistant electronic device to inhibit a flow of liquid into the housing while providing a water-resistant barometric vent to the housing, as well as an acoustic diaphragm having a sufficient size to meet or exceed selected acoustic-performance targets.
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公开(公告)号：US20190268691A1
公开(公告)日：2019-08-29
申请号：US16409682
申请日：2019-05-10
Applicant: Apple Inc.
Inventor： Christopher Wilk , Ruchir M. Dave , Scott P. Porter
Abstract: An audio speaker having a speaker housing surrounding a back volume that is divided into a rear cavity behind a speaker driver and an adsorption cavity separated from the rear cavity by a permeable partition, is disclosed. More particularly, the adsorption cavity may be defined between the speaker housing and the permeable partition, and may be directly filled with adsorptive particles to adsorb gas during sound generation. The permeable partition may allow the gas to flow between the rear cavity and the adsorption cavity, and may retain the adsorptive particles within the adsorption cavity. Other embodiments are also described and claimed.
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公开(公告)号：US20180215609A1
公开(公告)日：2018-08-02
申请号：US15419663
申请日：2017-01-30
Applicant: Apple Inc.
Inventor： Janhavi S. Agashe , Anthony D. Minervini , Ruchir M. Dave , Jae H. Lee
CPC classification number: B81B7/0038 , B81B2201/0257 , B81B2207/012 , B81C1/00285 , B81C2201/0109 , B81C2201/013 , H04R19/005 , H04R19/04 , H04R31/00
Abstract: A micro-electro-mechanical system (MEMS) transducer including an enclosure defining an interior space and having an acoustic port formed through at least one side of the enclosure. The transducer further including a compliant member positioned within the interior space and acoustically coupled to the acoustic port, the compliant member being configured to vibrate in response to an acoustic input. A back plate is further positioned within the interior space, the back plate being positioned along one side of the compliant member in a fixed position. A filter is positioned between the compliant member and the acoustic port, and the filter includes a plurality of axially oriented pathways and a plurality of laterally oriented pathways which are acoustically interconnected and dimensioned to prevent passage of a particle from the acoustic port to the compliant member.
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公开(公告)号：US20180160218A1
公开(公告)日：2018-06-07
申请号：US15499784
申请日：2017-04-27
Applicant: Apple Inc.
Inventor： Janhavi S. Agashe , Jae H. Lee , Ruchir M. Dave
CPC classification number: H04R1/2807 , H04R19/005 , H04R19/02 , H04R31/00
Abstract: A micro-electro-mechanical system (MEMS) microphone assembly including an enclosure having a top side and a bottom side that define a first chamber having a first volume and an acoustic inlet port formed through one of the top side or the bottom side. The assembly further including a MEMS microphone mounted within the first chamber, the MEMS microphone defining a second chamber having a second volume and a diaphragm having a first side interfacing with the first chamber and a second side interfacing with the second chamber. The assembly also including an acoustically absorbent material within one of the first chamber or the second chamber, the acoustically absorbent material to cause a simulated acoustic enlargement of the first volume or the second volume, respectively.
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公开(公告)号：US20180063634A1
公开(公告)日：2018-03-01
申请号：US15676210
申请日：2017-08-14
Applicant: Apple Inc.
Inventor： Ruchir M. Dave , Jesse A. Lippert , Nikolas T. Vitt , Scott P. Porter , Eugene Fox
CPC classification number: H04R1/2849 , H04R1/023 , H04R1/025 , H04R1/086 , H04R1/44 , H04R7/10 , H04R9/06 , H04R9/08 , H04R31/003 , H04R2307/025
Abstract: An acoustic transducer can have an acoustic diaphragm defining a barometric vent configured to equalize a barometric pressure-gradient across the acoustic diaphragm. Such a barometric vent can be formed by an aperture through the acoustic diaphragm. A gas-permeable vent membrane can be coupled with the acoustic diaphragm and extend across the aperture. The vent membrane can inhibit movement of liquid across the vent membrane. An acoustic-transducer module can include a chassis a chassis configured to mount the acoustic-transducer module to another module, and a suspension system can movably couple the acoustic diaphragm with the chassis. Such an acoustic-transducer module can sealably couple with a housing of a water-resistant electronic device to inhibit a flow of liquid into the housing while providing a water-resistant barometric vent to the housing, as well as an acoustic diaphragm having a sufficient size to meet or exceed selected acoustic-performance targets.
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