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    Light Restriction Designs in Optical Sensing Applications Having Shared Windows
    1.
    发明申请
    Light Restriction Designs in Optical Sensing Applications Having Shared Windows 有权

    公开(公告)号：US20210161444A1

    公开(公告)日：2021-06-03

    申请号：US17175407

    申请日：2021-02-12

    Applicant: Apple Inc.

    Inventor： Guocheng Shao ,  Mathieu Charbonneau-Lefort ,  Ueyn L. Block

    IPC: A61B5/1455 ,  A61B5/024 ,  G01J1/04 ,  G02B3/08 ,  G02B5/22

    Abstract: This relates to an electronic device configured for optical sensing having shared windows and including light restriction designs. The light restriction designs can include one or more of optical layers, optical films, lenses, and window systems configured to reduce or eliminate crosstalk between optical components. A plurality of accepting sections and a plurality of blocking sections can be employed to selectively allow light having an angle of incidence within one or more acceptance viewing angles and block light with angles of incidence outside of the acceptance viewing angles. In some examples, the light restriction designs can include variations in optical and structural properties can allow the light restriction designs to have spatially varying acceptance angles. Variations in structural properties can include, but are not limited to, differences in widths, heights, and/or tilts of the accepting sections and/or blocking sections.

    Systems and methods for non-pulsatile blood volume measurements
    2.
    发明授权
    Systems and methods for non-pulsatile blood volume measurements 有权

    公开(公告)号：US10687718B2

    公开(公告)日：2020-06-23

    申请号：US15592016

    申请日：2017-05-10

    Applicant: Apple Inc.

    Inventor： Nicholas Paul Joseph Allec ,  Rui Peterson ,  Ueyn L. Block ,  Vivek Venugopal

    IPC: A61B5/026 ,  A61B5/00 ,  A61B5/024 ,  A61B5/1455 ,  A61B5/0205 ,  A61B5/0295 ,  A61B5/11

    Abstract: This relates to systems and methods for determining one or more of a user's physiological signals. The one or more of the user's physiological signals can be determined by measuring pulsatile blood volume changes. Motion artifacts included in the signals can be canceled or reduced by measuring non-pulsatile blood volume changes and adjusting the signal to account for the non-pulsatile blood information. Non-pulsatile blood volume changes can be measured using at least one set of light emitter-light sensor. The light emitter can be located in close proximity (e.g., less than or equal to 1 mm away) to the light sensor, thereby limiting light emitted by the light emitter to blood volume without interacting with one or more blood vessels and/or arterioles. In some examples, the systems can further include an accelerometer configured to measure the user's acceleration, and the acceleration signal can be additionally be used for compensating for motion artifacts.

    Optical Sensor Subsystem Adjacent a Cover of an Electronic Device Housing
    3.
    发明申请
    Optical Sensor Subsystem Adjacent a Cover of an Electronic Device Housing 审中-公开

    公开(公告)号：US20190090806A1

    公开(公告)日：2019-03-28

    申请号：US16118254

    申请日：2018-08-30

    Applicant: Apple Inc.

    Inventor： Adam T. Clavelle ,  Tobias J. Harrison-Noonan ,  Erik G. de Jong ,  Ueyn L. Block

    IPC: A61B5/00 ,  G04G21/02 ,  G04G9/00 ,  A61B5/024

    Abstract: A watch having a cover is described. An optical sensor subsystem is attached adjacent to or directly on an interior surface of the cover. In some cases, the optical sensor subsystem includes a substrate to which a light emitter and a light receiver are attached. The light receiver is configured to receive light emitted by the light emitter and reflected from the skin of a person that wears the watch. In some cases, the light emitter and light receiver are separated by a light-blocking wall that abuts the interior surface of the cover. In some cases, a light filter is attached adjacent or directly on the interior surface of the cover, between the cover and the light receiver.

    Optical components for electronic devices
    4.
    发明授权
    Optical components for electronic devices 有权

    公开(公告)号：US12253728B2

    公开(公告)日：2025-03-18

    申请号：US17456614

    申请日：2021-11-26

    Applicant: Apple Inc.

    Inventor： Vivek Venugopal ,  Jacky G. Ko ,  Ueyn L. Block ,  James R. Wilson ,  Christopher D. Jones

    IPC: G02B6/42 ,  G02B6/08 ,  H01L31/0232

    Abstract: An electronic device can include a housing defining an aperture, and an electromagnetic radiation emitter and an electromagnetic radiation detector disposed in the housing. An optical component can be disposed in the aperture and can include a first region of a first material having a first index of refraction, the first region aligned with the electromagnetic radiation emitter, a second region of the first material, the second region aligned with the electromagnetic radiation detector, and a bulk region surrounding a periphery of the first region and a periphery of the second region, the bulk region including a second material having a second index of refraction that is lower than the first index of refraction.

    Concentric Architecture for Optical Sensing
    7.
    发明申请
    Concentric Architecture for Optical Sensing 有权

    公开(公告)号：US20220167864A1

    公开(公告)日：2022-06-02

    申请号：US17675399

    申请日：2022-02-18

    Applicant: Apple Inc.

    Inventor： Ueyn L. Block ,  Guocheng Shao ,  Itaru L. Hiromi ,  Mathieu Charbonneau-LeFort ,  Tobias J. Harrison-Noonan

    IPC: A61B5/024 ,  H01L25/16 ,  H01L31/0232 ,  H01L31/16 ,  A61B5/0295 ,  A61B5/1455 ,  A61B5/026 ,  A61B5/00

    Abstract: An electronic device including optical sensing with a concentric architecture and methods for operation thereof is disclosed. The concentric architecture can include light detector(s) arranged in a concentric manner around light emitter(s). In some examples, at least one light emitter can be located in the center of the device, and each light detector can be located the same separation distance from the light emitter. Each light detector can be arranged such that the separation distance from the centrally located light emitter can be greater than the separation distance from another light emitter. Examples of the disclosure further include a selective transparent layer overlaying the light detector(s). The selective transparent layer can include section(s) transparent to a first wavelength range and non-transparent to a second wavelength ranges. In some examples, the selective transparent layer can further include section(s) transparent to the second wavelength range.

    Concentric architecture for optical sensing
    8.
    发明授权
    Concentric architecture for optical sensing 有权

    公开(公告)号：US11266320B2

    公开(公告)日：2022-03-08

    申请号：US16126970

    申请日：2018-09-10

    Applicant: Apple Inc.

    Inventor： Ueyn L. Block ,  Guocheng Shao ,  Itaru L. Hiromi ,  Mathieu Charbonneau-Lefort ,  Tobias J. Harrison-Noonan

    IPC: A61B5/024 ,  H01L25/16 ,  H01L31/0232 ,  H01L31/16 ,  A61B5/0295 ,  A61B5/1455 ,  A61B5/026 ,  A61B5/00

    Abstract: An electronic device including optical sensing with a concentric architecture and methods for operation thereof is disclosed. The concentric architecture can include light detector(s) arranged in a concentric manner around light emitter(s). In some examples, at least one light emitter can be located in the center of the device, and each light detector can be located the same separation distance from the light emitter. Each light detector can be arranged such that the separation distance from the centrally located light emitter can be greater than the separation distance from another light emitter. Examples of the disclosure further include a selective transparent layer overlaying the light detector(s). The selective transparent layer can include section(s) transparent to a first wavelength range and non-transparent to a second wavelength ranges. In some examples, the selective transparent layer can further include section(s) transparent to the second wavelength range.

    ELECTRONIC DEVICE
    9.
    发明申请
    ELECTRONIC DEVICE 有权

    公开(公告)号：US20210389798A1

    公开(公告)日：2021-12-16

    申请号：US17019172

    申请日：2020-09-11

    Applicant: Apple Inc.

    Inventor： Ueyn L. Block ,  Devon K. Copeland ,  Guocheng Shao ,  Vivek Venugopal

    IPC: G06F1/16 ,  H01L31/0232 ,  H01L27/146 ,  H05K5/00

    Abstract: An electronic device can include a housing that includes an optically transparent component. First and second light emitters can be positioned in the internal volume defined by the housing. A light detector can be positioned in the internal volume and can be optically isolated from the first and second light emitters within the internal volume. An opaque material can be disposed on the optically transparent component and can be positioned to inhibit light emitted from the second light emitter from reaching the light detector and to allow light emitted from the first light emitter to reach the light detector.

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