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    Leak detection in electronic devices
    13.
    发明授权
    Leak detection in electronic devices 有权

    公开(公告)号：US12264994B2

    公开(公告)日：2025-04-01

    申请号：US18124483

    申请日：2023-03-21

    Applicant: Apple Inc.

    Inventor： Brentley M. Wiles ,  Jeanny Wang ,  David MacNeil

    IPC: G01M3/26

    Abstract: Aspects of the subject technology relate to a device including a pressure sensor to measure a pressure level in a port cavity. A port allows equalization of air pressure between the port cavity and an outside environment. A vent port within the port cavity allows equalization of air pressure between the port cavity and an internal volume of a housing of the device. A tool is used to activate a heat-generating component of the device while the port is obstructed for a predetermined time duration to enable detecting a sealing efficacy of the housing.

    Electronic Devices With Multi-Function Environmental Sensors
    14.
    发明公开
    Electronic Devices With Multi-Function Environmental Sensors 审中-公开

    公开(公告)号：US20240085223A1

    公开(公告)日：2024-03-14

    申请号：US18321456

    申请日：2023-05-22

    Applicant: Apple Inc.

    Inventor： Michael J Glickman ,  David MacNeil ,  John P Bergen

    IPC: G01D21/02 ,  G01J1/44 ,  G01K17/00 ,  G01P5/12

    CPC classification number: G01D21/02 ,  G01J1/44 ,  G01K17/00 ,  G01P5/12 ,  G01J2001/4266

    Abstract: An electronic device may include an environmental sensor. In particular, the sensor may include a layer of metal and be operable as an anemometer, a thermometer, a bolometer, and/or a heat flux sensor. To operate as an anemometer or thermometer, circuitry may heat the layer of metal and calculate an air speed based on a decay of the metal temperature. To operate as a bolometer, a first portion of the metal may have a first optical absorption/insulation (e.g., be insulated), while a second portion may have a second optical absorption/insulation (e.g., be uncoated). Differences in heating/cooling of the first and second portions may be used to measure solar radiation. To operate as a heat flux sensor, different metals may be used, and Seebeck voltages between the different metals may be measured. The metal may be deposited on the housing or may be incorporated into a mesh on the device.

    Hydrophobic-coated transducer port with reduced occlusion impact
    15.
    发明授权
    Hydrophobic-coated transducer port with reduced occlusion impact 有权

    公开(公告)号：US10462544B2

    公开(公告)日：2019-10-29

    申请号：US16053628

    申请日：2018-08-02

    Applicant: Apple Inc.

    Inventor： Miaolei Yan ,  David MacNeil ,  Michael K. Brown ,  Richard Yeh

    IPC: H04R1/02 ,  H04R1/04

    Abstract: A portable communication device includes a transducer enclosed in an enclosure. An opening allows flow of air between the transducer enclosed in the enclosure and a surrounding environment. The enclosure protects the transducer from misreading due to occlusion of environmental aggressors on the transducer. The enclosure is configured to repel the environmental aggressors away from a surface of the transducer and to keep a portion of the opening unclogged to maintain an air flow to the transducer.

    Electronic Devices with Low-Noise Pressure Sensors
    16.
    发明申请
    Electronic Devices with Low-Noise Pressure Sensors 有权
    具有低噪声压力传感器的电子设备

    公开(公告)号：US20160273986A1

    公开(公告)日：2016-09-22

    申请号：US14659447

    申请日：2015-03-16

    Applicant: Apple Inc.

    Inventor： Stuart K. Neubarth ,  Michael A. Lehr ,  David MacNeil ,  Henry H. Yang

    IPC: G01L9/00 ,  G01L27/00

    CPC classification number: G01L9/0073 ,  G01L9/0052 ,  G01L9/0072 ,  G01L27/002

    Abstract: An electronic device may include one or more low-noise pressure sensors for measuring air pressure. The electronic device may include wireless communications circuitry for communicating with external devices also having pressure sensors. Pressure data gathered by an external device may be used as reference pressure data for the electronic device. For example, if both devices are located in the same building, both pressure sensors will detect similar pressure fluctuations due to doors opening and closing and temperature-control systems turning on and off. By subtracting the reference pressure data from the pressure data gathered by the electronic device, calibrated pressure data may be obtained and may be used to reliably detect vertical displacement changes of the electronic device. In other scenarios, the pressure data may be compared with the reference pressure data to determine whether the two devices are in the same MOM.

    Abstract translation: 电子设备可以包括用于测量空气压力的一个或多个低噪声压力传感器。 电子设备可以包括用于与也具有压力传感器的外部设备通信的无线通信电路。 由外部设备收集的压力数据可以用作电子设备的参考压力数据。 例如，如果两个设备位于相同的建筑物中，则两个压力传感器将检测到门打开和关闭以及温度控制系统打开和关闭时出现的类似压力波动。 通过从由电子设备收集的压力数据中减去参考压力数据，可以获得校准的压力数据，并且可以用于可靠地检测电子设备的垂直位移变化。 在其他情况下，可以将压力数据与参考压力数据进行比较，以确定两个装置是否处于相同的MOM。

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