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    Resolving three dimensional spatial information using time-shared structured lighting that embeds digital communication
    21.
    发明授权
    Resolving three dimensional spatial information using time-shared structured lighting that embeds digital communication 有权

    公开(公告)号：US09930320B2

    公开(公告)日：2018-03-27

    申请号：US15146454

    申请日：2016-05-04

    Applicant: Apple Inc.

    Inventor： Denis G. Chen ,  Chin Han Lin

    IPC: H04N13/02 ,  H04N7/18

    CPC classification number: H04N13/296 ,  H04N13/204 ,  H04N13/254 ,  H04N13/271

    Abstract: Systems, methods, and computer readable media to resolve three dimensional spatial information of cameras used to construct 3D images. Various embodiments perform communication synchronization between a first image capture system and one or more other image capture systems and generate a first flash pulse that projects a light pattern into an environment. An image is captured that includes the light pattern and a modulated optical signal encoded with an identifier of one of the first image capture system and related-camera information. A second flash from another image capture systems may flash at a second time based on the communication synchronization. During the second flash, the first image capture system captures a second image of the environment. Based on the first and second images, the first image capture system determines the orientation of the second image capture system relative to the first image capture system.

    Resolving Three Dimensional Spatial Information using Time-shared Structured Lighting that Embeds Digital Communication
    22.
    发明申请
    Resolving Three Dimensional Spatial Information using Time-shared Structured Lighting that Embeds Digital Communication 有权

    公开(公告)号：US20170324949A1

    公开(公告)日：2017-11-09

    申请号：US15146454

    申请日：2016-05-04

    Applicant: Apple Inc.

    Inventor： Denis G. Chen ,  Chin Han Lin

    IPC: H04N13/02

    CPC classification number: H04N13/296 ,  H04N13/204 ,  H04N13/254 ,  H04N13/271

    Abstract: Systems, methods, and computer readable media to resolve three dimensional spatial information of cameras used to construct 3D images. Various embodiments perform communication synchronization between a first image capture system and one or more other image capture systems and generate a first flash pulse that projects a light pattern into an environment. An image is captured that includes the light pattern and a modulated optical signal encoded with an identifier of one of the first image capture system and related-camera information. A second flash from another image capture systems may flash at a second time based on the communication synchronization. During the second flash, the first image capture system captures a second image of the environment. Based on the first and second images, the first image capture system determines the orientation of the second image capture system relative to the first image capture system.

    Haptic engine based on angular resonant actuator with pivot axis and mass center that differ
    23.
    发明授权
    Haptic engine based on angular resonant actuator with pivot axis and mass center that differ 有权

    公开(公告)号：US11936269B2

    公开(公告)日：2024-03-19

    申请号：US17482210

    申请日：2021-09-22

    Applicant: Apple Inc.

    Inventor： Darya Amin-Shahidi ,  Alex M. Lee ,  Denis G. Chen

    IPC: H02K33/18 ,  H02K33/02 ,  B06B1/04

    CPC classification number: H02K33/18 ,  H02K33/02 ,  B06B1/045

    Abstract: In one embodiment of the present disclosure a haptic actuator is disclosed. The haptic actuator includes a housing, a movable mass, and a pivot assembly attaching the movable mass to the housing. The pivot assembly defines a pivot axis, and the movable mass has a mass center offset from the pivot axis along a lever arm extending perpendicular to the pivot axis. The haptic actuator includes a spring extending between the movable mass and the housing. The spring stores and releases energy received from movement of the movable mass. The spring prevents full rotation of the movable mass about the pivot axis. The haptic actuator includes an electric coil attached to the movable mass. The electric coil intersects the lever arm. The haptic actuator includes at least one magnet attached to the housing. The magnet is at least partially aligned with the electric coil. The movable mass moves with respect to the at least one magnet when a signal is applied to the coil.

    Haptic Engine Based on an Angular Resonant Actuator
    24.
    发明申请
    Haptic Engine Based on an Angular Resonant Actuator 有权

    公开(公告)号：US20230086204A1

    公开(公告)日：2023-03-23

    申请号：US17482210

    申请日：2021-09-22

    Applicant: Apple Inc.

    Inventor： Darya Amin-Shahidi ,  Alex M. Lee ,  Denis G. Chen

    IPC: H02K33/18 ,  H02K33/02

    Abstract: In one embodiment of the present disclosure a haptic actuator is disclosed. The haptic actuator includes a housing, a movable mass, and a pivot assembly attaching the movable mass to the housing. The pivot assembly defines a pivot axis, and the movable mass has a mass center offset from the pivot axis along a lever arm extending perpendicular to the pivot axis. The haptic actuator includes a spring extending between the movable mass and the housing. The spring stores and releases energy received from movement of the movable mass. The spring prevents full rotation of the movable mass about the pivot axis. The haptic actuator includes an electric coil attached to the movable mass. The electric coil intersects the lever arm. The haptic actuator includes at least one magnet attached to the housing. The magnet is at least partially aligned with the electric coil. The movable mass moves with respect to the at least one magnet when a signal is applied to the coil.

    Reluctance Haptic Engine for an Electronic Device
    26.
    发明申请
    Reluctance Haptic Engine for an Electronic Device 有权

    公开(公告)号：US20210096647A1

    公开(公告)日：2021-04-01

    申请号：US16584443

    申请日：2019-09-26

    Applicant: Apple Inc.

    Inventor： Darya Amin-Shahidi ,  Alex M. Lee ,  Denis G. Chen ,  Alex J. Lehmann ,  Alex J. Speltz ,  Etienne Marecal

    IPC: G06F3/01 ,  G05G1/02 ,  G05G5/03 ,  G06F1/16 ,  G06F3/0354 ,  G06F3/041

    Abstract: A reluctance haptic engine for an electronic device includes a core, an attractor, and one or more flexible support members. The core and/or the attractor may be coupled to an input structure, such as a button cap, trackpad cover, touchscreen cover, or the like. In an unactuated configuration, flexible support members maintain a gap between the core and the attractor. An electrical current may be applied to one or more conduction loops of the core to actuate the reluctance haptic engine and provide a haptic output by moving the input structure. The electrical current may cause a magnetic flux that results in a reluctance force that pulls the attractor and the core together and causes the input structure to move (e.g., translate, rotate, oscillate, vibrate, or deform) to produce a haptic output.

    Interrogating DOE integrity by reverse illumination
    27.
    发明授权
    Interrogating DOE integrity by reverse illumination 有权

    公开(公告)号：US10605695B2

    公开(公告)日：2020-03-31

    申请号：US15947882

    申请日：2018-04-09

    Applicant: APPLE INC.

    Inventor： Denis G. Chen ,  Brian S. Medower ,  Chin Han Lin

    IPC: G01J3/02 ,  G01M11/02 ,  G01J3/18 ,  G01J1/32 ,  G01J1/02

    Abstract: Optical apparatus includes a primary radiation source, which emits first optical radiation along a first optical axis. A DOE includes at least an entrance surface, upon which the first optical radiation from the primary radiation source is incident, and an exit surface, through which one or more primary diffraction orders of the first optical radiation are emitted from the DOE. At least one secondary radiation source is configured to direct second optical radiation to impinge on the DOE along a second optical axis, which is non-parallel to the first optical axis, causing at least a part of the second optical radiation to be diffracted by the DOE such that one or more secondary diffraction orders of the second optical radiation are emitted through the entrance face of the DOE. At least one detector is configured to sense at least one of the secondary diffraction orders of the second optical radiation.

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