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公开(公告)号：US20180367918A1
公开(公告)日：2018-12-20
申请号：US15625302
申请日：2017-06-16
Applicant: Apple Inc.
Inventor： Alexander V. Salvatti , Onur I. llkorur
Abstract: A voice coil former including a first portion having a planar region and an out-of plane region that extends outside a plane of the planar region, and wherein a length dimension of the first portion is at least two times greater than a width dimension of the first portion. The former further including a second portion extending from the first portion in a direction perpendicular to the plane of the first portion, the second portion being integrally formed with the first portion and dimensioned to support a voice coil thereon.
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公开(公告)号：US20190082252A1
公开(公告)日：2019-03-14
申请号：US15701335
申请日：2017-09-11
Applicant: Apple Inc.
Inventor： Anthony P. Grazian , Christopher Wilk , Claudio Notarangelo , Hongdan Tao , Michael J. Newman , Onur I. llkorur , Thomas H. Tsang
Abstract: A micro-speaker assembly including an enclosure having an enclosure wall separating a surrounding environment from an encased space, wherein the enclosure wall defines an acoustic port from the encased space to the surrounding environment; a sound radiating surface positioned within the encased space and dividing the encased space into a front volume chamber and a back volume chamber, wherein the front volume chamber is acoustically coupled to a first surface of the sound radiating surface and the acoustic port, and the back volume chamber acoustically coupled to a second surface of the sound radiating surface; and a resonator acoustically coupled to the front volume chamber, wherein the resonator comprises a neck acoustically coupled to an acoustic cavity, and an opening to the neck is positioned at a distance from the acoustic port that corresponds to a quarter wavelength resonance of the front volume chamber.
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