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    Global-shutter image sensor with time-of-flight sensing capability
    2.
    发明申请
    Global-shutter image sensor with time-of-flight sensing capability 有权

    公开(公告)号：US20210392283A1

    公开(公告)日：2021-12-16

    申请号：US17324144

    申请日：2021-05-19

    Applicant: Apple Inc.

    Inventor： Gennadiy Agranov ,  Thierry Oggier

    IPC: H04N5/369 ,  H04N5/378 ,  H04N13/254 ,  H04N13/296 ,  H04N13/289 ,  H04N5/353

    Abstract: Apparatus for optical sensing includes first matrix of optical sensing elements, arranged on a semiconductor substrate in rows and columns. A second matrix of storage nodes is arranged on the substrate such that respective first and second storage nodes in the second matrix are disposed in proximity to each of the sensing elements within the first matrix. Switching circuitry couples each of the sensing elements to transfer photocharge to the respective first and second storage nodes. Control circuitry controls the switching circuitry in a depth sensing mode such that over a series of detection cycles, each of the sensing elements and a first neighboring sensing element are connected together to the respective first storage node during the first detection interval, and each of the sensing elements and the second neighboring sensing element are connected together to the respective second storage node during the second detection interval.

    Depth sensor combining line triangulation and time of flight
    3.
    发明授权
    Depth sensor combining line triangulation and time of flight 有权

    公开(公告)号：US10955555B2

    公开(公告)日：2021-03-23

    申请号：US16538864

    申请日：2019-08-13

    Applicant: Apple Inc.

    Inventor： Thierry Oggier ,  Scott T. Smith ,  Andrew Herrington

    IPC: G01S7/4865 ,  G01S17/89 ,  G01S17/06 ,  G06T7/521 ,  H04N13/128 ,  H04N13/296 ,  H04N13/254 ,  H04N13/271 ,  G01S7/481 ,  G01S17/42 ,  G01S17/48 ,  G01S7/4863

    Abstract: Optical apparatus includes a projector, which directs a sequence of pulses of radiation toward a scene so as to form one or more lines of the radiation on the scene. A receiver includes an array of single-photon detectors, which output, in response to the radiation that is incident thereon, signals indicative of a time-of-flight of the pulses from the projector to the receiver via the points in the scene, and collection optics, which form an image the scene on the array, including the one or more lines of the radiation, such that each single-photon detector receives the radiation reflected from a corresponding point in the scene. A processor receives the signals output by the sensing elements, and derives depth coordinates of the points in the scene from both the time-of-flight of the pulses and triangulation of the one or more lines in the image.

    Time-of-flight depth mapping with parallax compensation
    4.
    发明授权
    Time-of-flight depth mapping with parallax compensation 有权

    公开(公告)号：US10830879B2

    公开(公告)日：2020-11-10

    申请号：US15950186

    申请日：2018-04-11

    Applicant: APPLE INC.

    Inventor： Cristiano L Niclass ,  Scott T Smith ,  Thierry Oggier

    IPC: G01C3/08 ,  G01S7/4865 ,  G01S7/4863 ,  G01S17/10 ,  H01L31/107 ,  H01L27/144 ,  G01S17/42 ,  G01S17/89

    Abstract: An optical sensing device includes a light source, which is configured to emit one or more beams of light pulses at respective angles toward a target scene. An array of sensing elements is configured to output signals in response to incidence of photons on the sensing elements. Light collection optics are configured to image the target scene onto the array. Control circuitry is coupled to actuate the sensing elements only in one or more selected regions of the array, each selected region containing a respective set of the sensing elements in a part of the array onto which the light collection optics image a corresponding area of the target scene that is illuminated by the one of the beams, and to adjust a membership of the respective set responsively to a distance of the corresponding area from the device.

    Calibration of depth sensing using a sparse array of pulsed beams
    6.
    发明申请
    Calibration of depth sensing using a sparse array of pulsed beams 审中-公开

    公开(公告)号：US20200256669A1

    公开(公告)日：2020-08-13

    申请号：US16532517

    申请日：2019-08-06

    Applicant: APPLE INC.

    Inventor： Zeev Roth ,  Mendy Shoval ,  Moshe Laifenfeld ,  Sagy Zino ,  Thierry Oggier

    IPC: G01B11/22 ,  H01L31/107 ,  H01S5/183

    Abstract: Depth sensing apparatus includes a radiation source, which is configured to emit a first plurality of beams of light pulses toward a target scene. An array of a second plurality of sensing elements is configured to output signals indicative of respective times of incidence of photons on the sensing element, wherein the second plurality exceeds the first plurality. Light collection optics are configured to image the target scene onto the array of sensing elements. Processing and control circuitry is coupled to receive the signals from the array and is configured to search over the sensing elements in order to identify, responsively to the signals, respective regions of the array on which the light pulses reflected from the target scene are incident, and to process the signals from the identified regions in order determine respective times of arrival of the light pulses.

    Calibration of depth sensing using a sparse array of pulsed beams
    8.
    发明授权
    Calibration of depth sensing using a sparse array of pulsed beams 有权

    公开(公告)号：US11371833B2

    公开(公告)日：2022-06-28

    申请号：US17175714

    申请日：2021-02-15

    Applicant: Apple Inc.

    Inventor： Zeev Roth ,  Mendy Shoval ,  Moshe Laifenfeld ,  Sagy Zino ,  Thierry Oggier

    IPC: G01B11/22 ,  H01L31/107 ,  H01S5/183 ,  G01S7/4865 ,  G01S17/10 ,  G01S17/89 ,  H01S5/32

    Abstract: Depth sensing apparatus includes a radiation source, which is configured to emit a first plurality of beams of light pulses toward a target scene. An array of a second plurality of sensing elements is configured to output signals indicative of respective times of incidence of photons on the sensing element, wherein the second plurality exceeds the first plurality. Light collection optics are configured to image the target scene onto the array of sensing elements. Processing and control circuitry is coupled to receive the signals from the array and is configured to search over the sensing elements in order to identify, responsively to the signals, respective regions of the array on which the light pulses reflected from the target scene are incident, and to process the signals from the identified regions in order determine respective times of arrival of the light pulses.

    Depth sensing using a sparse array of pulsed beams
    9.
    发明授权
    Depth sensing using a sparse array of pulsed beams 有权

    公开(公告)号：US12117286B2

    公开(公告)日：2024-10-15

    申请号：US16532513

    申请日：2019-08-06

    Applicant: APPLE INC.

    Inventor： Thierry Oggier

    IPC: G01B11/22 ,  G01S7/48 ,  G01S7/4865 ,  G01S17/10 ,  G01S17/89 ,  H01L31/107 ,  H01S5/183 ,  H01S5/32

    CPC classification number: G01B11/22 ,  G01S7/4865 ,  G01S17/10 ,  G01S17/89 ,  H01L31/107 ,  H01S5/183 ,  H01S5/32

    Abstract: Depth sensing apparatus includes a radiation source, including a first array of emitters arranged in multiple banks, which are configured to emit a first plurality of pulsed beams of optical radiation toward a target scene. A second plurality of sensing elements are arranged in a second array and are configured to output signals indicative of respective times of incidence of photons on the sensing elements, wherein the second plurality exceeds the first plurality. Objective optics form an image of the target scene on the array of sensing elements. Processing and control circuitry actuates the multiple banks in alternation and identifies, responsively to the output signals, areas of the second array on which the pulses of optical radiation reflected from corresponding regions of the target scene are incident.

    Depth sensing using multiple coherent emitters
    10.
    发明公开
    Depth sensing using multiple coherent emitters 审中-公开

    公开(公告)号：US20240288549A1

    公开(公告)日：2024-08-29

    申请号：US18113104

    申请日：2023-02-23

    Applicant: Apple Inc.

    Inventor： Thierry Oggier ,  Ehsan Shah-Hosseini ,  Edward Vail

    IPC: G01S7/481 ,  G01S7/4913 ,  G01S17/34

    CPC classification number: G01S7/4812 ,  G01S7/4815 ,  G01S7/4913 ,  G01S17/34

    Abstract: Range sensing apparatus includes a transmitter including an array of emitters configured to emit respective beams of coherent optical radiation and switching circuitry coupled to the emitters. An optical assembly is configured to divide each beam of the coherent optical radiation into a transmitted beam and a local beam, to project the local beam toward an optical detector, to project the transmitted beam toward a respective location on a target, and to direct optical radiation reflected from the respective location onto the optical detector so as to interfere optically with the local beam. A controller is coupled to apply amplitude-chirped electrical drive pulses to the transmitter while controlling the switching circuitry to temporally multiplex the electrical drive pulses among the emitters, and to receive and process electrical beat signals output by the optical detector in response to interference between the reflected optical radiation and the local beam.

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