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    Ranging device with imaging capability
    2.
    发明授权
    Ranging device with imaging capability 有权

    公开(公告)号：US10267901B2

    公开(公告)日：2019-04-23

    申请号：US15169489

    申请日：2016-05-31

    Applicant: STMicroelectronics (Grenoble 2) SAS

    Inventor： Marc Drader ,  Pascal Mellot

    IPC: G01S7/486 ,  H01L27/144 ,  G01S17/10 ,  G01S17/36 ,  G01S7/487 ,  G01S7/491 ,  G01S7/493

    Abstract: A ranging device includes an array of photon detection devices adapted to receive an optical signal reflected by an object in an image scene. First and second logic devices are adapted to respectively combine the outputs of first and second pluralities of the photon detection devices. A first range detection circuit is coupled to outputs of the first and second logic devices and a first counter is coupled to the output of the first logic device and adapted to generate a first pixel value by counting events generated by the first plurality of photon detection devices. A second counter is coupled to the output of the second logic device and is adapted to generate a second pixel value by counting events generated by the second plurality of photon detection devices. The first and second pixel values may be used in estimating a range to the object in the image scene.

    DEVICE HAVING SPAD PHOTODIODES FOR DETECTING AN OBJECT
    4.
    发明申请
    DEVICE HAVING SPAD PHOTODIODES FOR DETECTING AN OBJECT 有权
    具有用于检测物体的飞溅光电的装置

    公开(公告)号：US20130153754A1

    公开(公告)日：2013-06-20

    申请号：US13719070

    申请日：2012-12-18

    Applicant: STMicroelectronics (Grenoble 2) SAS

    Inventor： Marc Drader ,  Pascal Mellot

    IPC: G01J1/02

    CPC classification number: G01J1/02 ,  G01S7/4814 ,  G01S7/4816 ,  G01S7/484 ,  G01S7/486 ,  G01S7/489 ,  G01S17/026 ,  G01S17/107 ,  G01S17/89

    Abstract: The disclosure relates to a method for detecting the presence of an object near a detection device, comprising: reverse biasing single photon avalanche photodiodes, at a bias voltage greater than a breakdown voltage of a PN junction of each photodiode, emitting pulses of an incident photon beam, detecting photodiodes which avalanche trigger after the reception by the photodiode of at least one photon of a reflected photon beam produced by a reflection of the incident beam on an object near the detection device, determining the object presence as a function of the existence of at least one avalanche triggering in one of the photodiodes, and selecting a number of photodiodes to be reverse biased in relation to the detection device, as a function of a load of a circuit for generating the bias voltage.

    Abstract translation: 本公开涉及一种用于检测在检测装置附近存在物体的方法，包括：以大于每个光电二极管的PN结的击穿电压的偏置电压反向偏置单光子雪崩光电二极管，发射入射光子的脉冲 光束，检测光电二极管，其在由光电二极管接收由反射光子束产生的反射光子束所产生的入射光束在靠近检测装置的物体上触发，确定作为存在的函数的物体存在 在所述光电二极管之一中触发至少一个雪崩，并且根据用于产生所述偏置电压的电路的负载来选择要相对于所述检测装置反向偏置的多个光电二极管。

    RANGING DEVICE WITH IMAGING CAPABILITY
    7.
    发明申请
    RANGING DEVICE WITH IMAGING CAPABILITY 审中-公开

    公开(公告)号：US20170139041A1

    公开(公告)日：2017-05-18

    申请号：US15169489

    申请日：2016-05-31

    Applicant: STMicroelectronics (Grenoble 2) SAS

    Inventor： Marc Drader ,  Pascal Mellot

    IPC: G01S7/486 ,  G01S17/10 ,  H01L27/144

    CPC classification number: G01S7/4863 ,  G01S7/4865 ,  G01S7/487 ,  G01S7/4914 ,  G01S7/4915 ,  G01S7/493 ,  G01S17/10 ,  G01S17/36 ,  H01L27/1446

    Abstract: A ranging device includes an array of photon detection devices adapted to receive an optical signal reflected by an object in an image scene. First and second logic devices are adapted to respectively combine the outputs of first and second pluralities of the photon detection devices. A first range detection circuit is coupled to outputs of the first and second logic devices and a first counter is coupled to the output of the first logic device and adapted to generate a first pixel value by counting events generated by the first plurality of photon detection devices. A second counter is coupled to the output of the second logic device and is adapted to generate a second pixel value by counting events generated by the second plurality of photon detection devices. The first and second pixel values may be used in estimating a range to the object in the image scene.

    RANGING DEVICE READ-OUT CIRCUIT
    8.
    发明申请
    RANGING DEVICE READ-OUT CIRCUIT 审中-公开

    公开(公告)号：US20170139040A1

    公开(公告)日：2017-05-18

    申请号：US15169464

    申请日：2016-05-31

    Applicant: STMicroelectronics (Research & Development) Limited ,  STMicroelectronics (Grenoble 2) SAS

    Inventor： Pascal Mellot ,  Stuart McLeod ,  Marc Drader

    IPC: G01S7/486 ,  G01S17/10 ,  H01L27/144

    Abstract: A ranging device includes an array of photon detection devices that receive an optical signal reflected by an object in an image scene and first and second logic devices to respectively combine the outputs of first and second pluralities of the photon detection devices. First and second counter circuits are respectively coupled an output of the first and second logic devices and generate first and second count values respectively by counting the photon detection events generated by the first and second pluralities of photon detection devices. A range estimation circuit estimates the range of the object by estimating the timing of one or more pulses of said optical signal based on the first and second count values.

    Device for detecting an object using SPAD photodiodes
    9.
    发明授权
    Device for detecting an object using SPAD photodiodes 有权
    用于使用SPAD光电二极管检测物体的装置

    公开(公告)号：US09006641B2

    公开(公告)日：2015-04-14

    申请号：US13736823

    申请日：2013-01-08

    Applicant: STMicroelectronics (Grenoble 2) SAS

    Inventor： Marc Drader

    IPC: G06M7/00 ,  G01C3/08 ,  G01S17/10 ,  G01S7/486 ,  G01S7/497

    CPC classification number: G01C3/08 ,  G01S7/4861 ,  G01S7/497 ,  G01S17/10

    Abstract: The disclosure relates to a method for detecting the presence of an object near a detection device, comprising: emitting pulses of an incident photon beam, detecting photodiodes which trigger avalanche after the reception by the photodiode of at least one photon of a reflected photon beam produced by a reflection of the incident beam on an object near the detection device, determining a distance between the photodiodes and an object in a detection area, as a function of the time between a transmit time of the incident beam and avalanche triggering times of the photodiodes, and correcting the distance determined as a function of a calibration measurement obtained in the absence of object in the detection area, to compensate for photon reflections on a transparent plate arranged between the photodiodes and the detection area.

    Abstract translation: 本公开涉及一种用于检测在检测装置附近存在物体的方法，包括：发射入射光子束的脉冲，检测在由光电二极管接收产生反射光子束的至少一个光子之后触发雪崩的光电二极管 通过将入射光束反射在检测装置附近的物体上，根据入射光束的发射时间和光电二极管的雪崩触发时间之间的时间确定检测区域中的光电二极管与物体之间的距离 并且校正作为在检测区域中没有物体的情况下获得的校准测量的函数确定的距离，以补偿布置在光电二极管和检测区域之间的透明板上的光子反射。

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