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    INTERLOCKING CERAMIC AND OPTICAL MEMBERS
    11.
    发明申请
    INTERLOCKING CERAMIC AND OPTICAL MEMBERS 审中-公开
    相互联系的陶瓷和光学成员

    公开(公告)号：US20160066448A1

    公开(公告)日：2016-03-03

    申请号：US14472230

    申请日：2014-08-28

    Applicant: Apple Inc.

    Inventor： David I. Nazzaro ,  Naoto Matsuyuki ,  Raul A. Molina ,  Fletcher R. Rothkopf ,  Chin San Han

    IPC: H05K5/02 ,  H05K5/00

    CPC classification number: H04M1/0264

    Abstract: Interlocking first member and optical members and methods of their manufacture. A component formed from an interlocking first member and optical member, where the first member includes a recess formed within a surface and the optical member is disposed in the recess. The recess of the first member may include a recess geometry and the optical member may include a member geometry that may correspond to the recess geometry. Additionally, the interlocking component formed from the first member and optical member may be formed by a coupling process. The coupling process may include sintering the first member and the optical member, bonding the optical member to the first member or providing a compression-load or fit between the first member and the optical member.

    Abstract translation: 联锁第一成员和光学构件及其制造方法。 由互锁的第一构件和光学构件形成的构件，其中所述第一构件包括形成在表面内的凹部，并且所述光学构件设置在所述凹部中。 第一构件的凹部可以包括凹槽几何形状，并且光学构件可以包括可对应于凹部几何形状的构件几何形状。 此外，由第一构件和光学构件形成的互锁构件可以通过联接工艺形成。 耦合过程可以包括烧结第一构件和光学构件，将光学构件结合到第一构件或者在第一构件和光学构件之间提供压缩载荷或配合。

    Multi-element piezo sensors for physiological measurements
    12.
    发明授权
    Multi-element piezo sensors for physiological measurements 有权

    公开(公告)号：US12219877B2

    公开(公告)日：2025-02-04

    申请号：US17730841

    申请日：2022-04-27

    Applicant: Apple Inc.

    Inventor： Chin San Han ,  German A. Alvarez ,  Santiago Quijano ,  Stuart W. Wenzel

    IPC: H01L41/113 ,  A61B5/00 ,  A61B5/11 ,  G01L1/16 ,  G01L1/20 ,  H10N30/00 ,  H10N30/30 ,  H10N30/50 ,  H10N30/87 ,  A61B5/0205

    Abstract: Disclosed herein are monitoring systems and sensors for physiological measurements. The sensors can be multi-element piezo sensors capable of generating multiple electrical signals, whereby the monitoring systems can receive the multiple electrical signals to analyze the user's vital signs along multiple regions of the user's body. In some examples, the piezo sensor can include one or more corrugations, such as peaks and valleys, to create localized regions with increased mechanical response to force. The sensitivity and resolution of the piezo sensor can be enhanced by further locating electrode sections at the corrugations, where the electrode sections can be electrically isolated and independently operable from other electrode sections. Traces electrically connecting an electrode section to, e.g., an off-panel controller can be routed over and/or around other electrode sections by including an insulator to electrically insulate from the other electrode sections, or by using vias to route through one or more layers.

    Multi-element piezo sensor for in-bed physiological measurements
    15.
    发明授权
    Multi-element piezo sensor for in-bed physiological measurements 有权

    公开(公告)号：US11349063B2

    公开(公告)日：2022-05-31

    申请号：US15986643

    申请日：2018-05-22

    Applicant: Apple Inc.

    Inventor： Chin San Han ,  German A. Alvarez ,  Santiago Quijano ,  Stuart W. Wenzel

    IPC: H01L41/113 ,  H01L41/047 ,  A61B5/00 ,  H01L41/083 ,  H01L41/08 ,  G01L1/16 ,  A61B5/11 ,  G01L1/20 ,  A61B5/0205

    Abstract: Disclosed herein are monitoring systems and sensors for physiological measurements. The sensors can be multi-element piezo sensors capable of generating multiple electrical signals, whereby the monitoring systems can receive the multiple electrical signals to analyze the user's vital signs along multiple regions of the user's body. In some examples, the piezo sensor can include one or more corrugations, such as peaks and valleys, to create localized regions with increased mechanical response to force. The sensitivity and resolution of the piezo sensor can be enhanced by further locating electrode sections at the corrugations, where the electrode sections can be electrically isolated and independently operable from other electrode sections. Traces electrically connecting an electrode section to, e.g., an off-panel controller can be routed over and/or around other electrode sections by including an insulator to electrically insulate from the other electrode sections, or by using vias to route through one or more layers.

    Reflective surfaces for PPG signal detection
    17.
    发明授权
    Reflective surfaces for PPG signal detection 有权

    公开(公告)号：US10092197B2

    公开(公告)日：2018-10-09

    申请号：US14470834

    申请日：2014-08-27

    Applicant: Apple Inc.

    Inventor： Chin San Han

    IPC: A61B5/00 ,  A61B5/024 ,  A61B5/026 ,  A61B5/0295 ,  A61B5/1455

    Abstract: Reflective surfaces for the apertures of PPG optical components in PPG systems is disclosed. In a PPG system or device, the addition of reflective surfaces around, under, or near the apertures of the optical components can enhance the amount of light received by the light detector. As a result, the measured PPG signal strength can be higher and more accurate compared to the same PPG device without reflective surfaces. The reflective surfaces can reflect and/or recycle light that is incident upon the reflective surfaces back into the skin for eventual capture of the light by the light detectors. In some examples, the reflective surfaces can be diffuse or specular reflectors and/or can be configured to selectively reflect one or more wavelengths of light. In some examples, the back crystal and/or component mounting plane of the PPG system can be made of the same material as the reflective surfaces.

    MULTIPLE LIGHT PATHS ARCHITECTURE AND OBSCURATION METHODS FOR SIGNAL AND PERFUSION INDEX OPTIMIZATION
    19.
    发明申请
    MULTIPLE LIGHT PATHS ARCHITECTURE AND OBSCURATION METHODS FOR SIGNAL AND PERFUSION INDEX OPTIMIZATION 有权

    公开(公告)号：US20240418644A1

    公开(公告)日：2024-12-19

    申请号：US18814695

    申请日：2024-08-26

    Applicant: Apple Inc.

    Inventor： Chin San Han ,  Ueyn L. Block ,  Brian R. Land ,  Nevzat Akin Kestelli ,  Serhan Isikman ,  Albert Wang ,  Justin S. Shi

    IPC: G01N21/47 ,  A61B5/00 ,  A61B5/024 ,  G01N21/55

    Abstract: A photoplethysmographic (PPG) device is disclosed. The PPG device can include one or more light emitters and one or more light sensors to generate the multiple light paths for measuring a PPG signal and perfusion indices of a user. The multiple light paths between each pair of light emitters and light detectors can include different separation distances to generate both an accurate PPG signal and a perfusion index value to accommodate a variety of users and usage conditions. In some examples, the multiple light paths can include the same separation distances for noise cancellation due to artifacts resulting from, for example, tilt and/or pull of the device, a user's hair, a user's skin pigmentation, and/or motion. The PPG device can further include one or more lenses and/or reflectors to increase the signal strength and/or and to obscure the optical components and associated wiring from being visible to a user's eye.

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