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    Time-of-flight measurement with background light correction
    1.
    发明授权
    Time-of-flight measurement with background light correction 有权

    公开(公告)号：US12169255B2

    公开(公告)日：2024-12-17

    申请号：US17276657

    申请日：2019-09-13

    Applicant: ams Sensors Singapore Pte. Ltd.

    Inventor： Javier Miguel Sánchez ,  Miguel Bruno Vaello Paños

    IPC: G01S7/48 ,  G01S7/4915 ,  G01S7/497

    Abstract: In an example implementation, a first light measurement is obtained using a photodetector of a sensor module. The first light measurement corresponds, at least in part, to ambient light in an environment of the sensor module. Modulated light is generated using a light source of the sensor module, and a second light measurement is obtained using the photodetector of the sensor module. The second light measurement corresponds, at least in part, to modulated light reflected from an object toward the photodetector. A distance between the sensor module and the object is estimated, using an electronic control device, based on the first measurement, the second light measurement, and the modulated light.

    OPTICAL RANGING SYSTEM HAVING MULTI-MODE OPERATION USING SHORT AND LONG PULSES
    3.
    发明申请
    OPTICAL RANGING SYSTEM HAVING MULTI-MODE OPERATION USING SHORT AND LONG PULSES 有权

    公开(公告)号：US20220003865A1

    公开(公告)日：2022-01-06

    申请号：US16957514

    申请日：2018-12-27

    Applicant: ams Sensors Singapore Pte. Ltd.

    Inventor： David Stoppa ,  Stephan Beer ,  Miguel Bruno Vaello Paños

    IPC: G01S17/10 ,  G01S7/484 ,  G01S7/481 ,  G01S7/4865

    Abstract: An apparatus includes a time-of-flight (TOF) sensor system that has an illuminator operable to emit pulses of light toward an object outside the apparatus. The illuminator is operable in a first mode in which the illuminator emits pulses having a first width and a second mode in which the illuminator emits pulses having a second width longer than the first width. The TOF sensor system further includes a photodetector operable to detect light produced by the illuminator and reflected by the object back toward the apparatus. An electronic control device is operable to control emission of light by the illuminator and is operable to estimate a distance to the object based on a time elapsed between an emission of one or more of the pulses by the illuminator and detection of the reflected light by the photodetector.

    Optical ranging system having multi-mode operation using short and long pulses
    8.
    发明授权
    Optical ranging system having multi-mode operation using short and long pulses 有权

    公开(公告)号：US11579291B2

    公开(公告)日：2023-02-14

    申请号：US16957514

    申请日：2018-12-27

    Applicant: ams Sensors Singapore Pte. Ltd.

    Inventor： David Stoppa ,  Stephan Beer ,  Miguel Bruno Vaello Paños

    IPC: G01S17/10 ,  G01S7/481 ,  G01S7/484 ,  G01S7/4865

    Abstract: An apparatus includes a time-of-flight (TOF) sensor system that has an illuminator operable to emit pulses of light toward an object outside the apparatus. The illuminator is operable in a first mode in which the illuminator emits pulses having a first width and a second mode in which the illuminator emits pulses having a second width longer than the first width. The TOF sensor system further includes a photodetector operable to detect light produced by the illuminator and reflected by the object back toward the apparatus. An electronic control device is operable to control emission of light by the illuminator and is operable to estimate a distance to the object based on a time elapsed between an emission of one or more of the pulses by the illuminator and detection of the reflected light by the photodetector.

    TIME-OF-FLIGHT MEASUREMENT WITH BACKGROUND LIGHT CORRECTION
    9.
    发明申请
    TIME-OF-FLIGHT MEASUREMENT WITH BACKGROUND LIGHT CORRECTION 有权

    公开(公告)号：US20210270946A1

    公开(公告)日：2021-09-02

    申请号：US17276657

    申请日：2019-09-13

    Applicant: Ams Sensors Singapore Pte. Ltd.

    Inventor： Javier Miguel Sánchez ,  Miguel Bruno Vaello Paños

    IPC: G01S7/497 ,  G01S7/4915

    Abstract: In an example implementation, a first light measurement is obtained using a photodetector of a sensor module. The first light measurement corresponds, at least in part, to ambient light in an environment of the sensor module. Modulated light is generated using a light source of the sensor module, and a second light measurement is obtained using the photodetector of the sensor module. The second light measurement corresponds, at least in part, to modulated light reflected from an object toward the photodetector. A distance between the sensor module and the object is estimated, using an electronic control device, based on the first measurement, the second light measurement, and the modulated light.

    Time-of-fight pixel including in-pixel buried channel transistors
    10.
    发明授权
    Time-of-fight pixel including in-pixel buried channel transistors 有权

    公开(公告)号：US10276628B2

    公开(公告)日：2019-04-30

    申请号：US15596136

    申请日：2017-05-16

    Applicant: ams Sensors Singapore Pte. Ltd.

    Inventor： Radoslaw Marcin Gancarz ,  Daniel Furrer ,  Miguel Bruno Vaello Paños ,  Stephan Beer

    IPC: G01S17/89 ,  H01L27/148 ,  H01L27/146 ,  H04N13/207 ,  H04N13/254 ,  H04N13/271 ,  G01S7/486 ,  G01S7/491 ,  H04N5/374 ,  H04N5/3745 ,  H04N5/378

    Abstract: An imaging device, including a monolithic semiconductor integrated circuit substrate, comprises a focal plane array of pixel cells. Each one of the pixel cells includes a gate overlying a region of the substrate operable to convert incident radiation into charge carriers. The pixel also includes a CMOS readout circuit including at least one output transistor in the substrate. The pixel further includes a charge coupled device section on the substrate adjacent the gate, the charge coupled device section including a sense node to receive charge carriers transferred from the region of the substrate beneath the gate. The sense node is coupled to the output transistor. The pixel also includes a reset switch coupled to the sense node. The pixel's charge coupled device section has a buried channel region. The pixel also includes one or more bias enabling switches operable to enable a bias voltage to be applied to the gate. At least one of the reset switch or the one or more bias enabling switches is formed in the buried channel region.

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