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    Measurement of dynamic material properties
    1.
    发明授权
    Measurement of dynamic material properties 有权

    公开(公告)号：US09645064B1

    公开(公告)日：2017-05-09

    申请号：US14642713

    申请日：2015-03-09

    Applicant: Amazon Technologies, Inc.

    Inventor： Mohammed Aftab Alam ,  Ramez Nachman ,  Shankar Ganapathysubramanian ,  Guruprasad Ramanathan

    IPC: G01M7/00 ,  G01N3/30

    CPC classification number: G01N3/30 ,  G01N3/303

    Abstract: An example method includes positioning a mass at a height opposite a modulator characterized by a particular strain rate and support by a carrier moveably disposed opposite the mass. The method also includes releasing the mass such that the mass impacts the modulator, and an additional component connected to the carrier causes failure of a sample of material. The method further includes determining a displacement of the carrier corresponding to failure of the sample, determining a force applied to the modulator by the mass and resulting in failure of the sample, and determining at least one of a dynamic strength of the sample and a dynamic modulus of the sample. In such a method, the dynamic strength is based on the force applied to the modulator and the strain rate. Additionally, the dynamic modulus is based on the displacement of the carrier and the strain rate.

    Variable plated device enclosure
    2.
    发明授权
    Variable plated device enclosure 有权
    可变电镀设备外壳

    公开(公告)号：US09529389B1

    公开(公告)日：2016-12-27

    申请号：US14496450

    申请日：2014-09-25

    Applicant: Amazon Technologies, Inc.

    Inventor： David Eric Peters ,  Shankar Ganapathysubramanian ,  Mohammed Aftab Alam ,  Vikram Srinivas

    IPC: G06F1/16 ,  B32B38/10

    CPC classification number: G06F1/1637 ,  C25D3/00 ,  C25D7/00 ,  G06F1/1601 ,  G06F1/1626 ,  G06F1/1656 ,  G06F1/1698 ,  G06F1/182 ,  G06F2200/1633

    Abstract: A housing of a computing device, such as a computer, laptop computer, cellular phone, personal digital assistant (PDA), tablet computer, electronic reader or e-reader, or other mobile device constructed using a combination of a metal material and a lightweight core material. The housing includes a front housing component including a display and a rear housing coupled to the front housing component with an internal side of the rear housing facing the front housing. The rear housing component includes a core material and a structural material coupled to the core material at strategic locations. For example, the structural material may be located around a periphery of the rear housing, around connection ports of the electronic device, and diagonally across the external side to provide strength and stiffness to the rear housing.

    Abstract translation: 诸如计算机，膝上型计算机，蜂窝电话，个人数字助理（PDA），平板计算机，电子阅读器或电子阅读器之类的计算设备的壳体或使用金属材料和轻量级 核心材料。 壳体包括前壳体部件，其包括显示器和联接到前壳体部件的后壳体，后壳体的内侧面向前壳体。 后壳体部件包括芯材料和在重要位置处连接到芯材料的结构材料。 例如，结构材料可以位于后壳体的周边周围，围绕电子设备的连接端口并且对角地位于外侧，以向后壳体提供强度和刚度。

    Systems and methods to secure fabric to speaker-based devices
    7.
    发明授权
    Systems and methods to secure fabric to speaker-based devices 有权

    公开(公告)号：US12225336B1

    公开(公告)日：2025-02-11

    申请号：US17468825

    申请日：2021-09-08

    Applicant: Amazon Technologies, Inc.

    Inventor： Xuan Geng ,  Susan Swindlehurst ,  Wentao Cheng ,  Shankar Ganapathysubramanian

    IPC: H04R1/02 ,  B32B3/26 ,  B32B5/02 ,  B32B7/12

    Abstract: Systems and methods are disclosed for securing fabric to speaker-based devices. An example device may include a housing having a first portion devoid of apertures, and a second portion having a first number of apertures. The device may include a fabric disposed about the housing, and an adhesive disposed between the fabric and the housing. The adhesive may include a first portion disposed between a first portion of the fabric and the first portion of the housing, and a second portion disposed between a second portion of the fabric and the second portion of the housing. The first portion of the adhesive may have a patterned non-liquid material that is bonded, and the second portion of the adhesive may have the patterned non-liquid material that is unbonded.

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