公开(公告)号：US20190235058A1

公开(公告)日：2019-08-01

申请号：US16256238

申请日：2019-01-24

Applicant: SICK AG

Inventor： Hartmut GIMPEL ,  Gottfried HUG ,  Klaus CLEMENS

IPC: G01S7/481 ,  G01S17/42 ,  G01S17/89

CPC classification number: G01S7/4817 ,  G01S7/4811 ,  G01S7/4815 ,  G01S17/42 ,  G01S17/89

Abstract: An optoelectronic sensor for the detection of objects in a monitored region is provided that comprises at least one light transmitter for transmitting a plurality of light beams separate from one another starting from a respective transmission point, a common transmission optics for the transmitted light beams, at least one light receiver for generating a respective received signal from the remitted light beams reflected from the objects and incident at a respective reception point, a common reception optics for the remitted light beams and an evaluated unit for obtaining information on the objects from the received signals. In this connection the transmission points are arranged on a first circular line and/or the reception points are arranged on the second circular line.

公开(公告)号：US20170030769A1

公开(公告)日：2017-02-02

申请号：US15216086

申请日：2016-07-21

Applicant: SICK AG

Inventor： Klaus CLEMENS ,  Gottfried HUG ,  Stefan SEITZ ,  Sebastian TSCHUCH

IPC: G01J1/44 ,  H01L27/146 ,  H01L31/107

CPC classification number: G01J1/44 ,  G01J1/46 ,  G01J2001/4466 ,  G01S7/4863 ,  H01L27/14643 ,  H01L31/02005 ,  H01L31/02027 ,  H01L31/107

Abstract: A light receiver (10, 50) having a plurality of avalanche photo diode elements (10, 12a-c) which are biased with a bias voltage greater than a breakthrough voltage and are thus operated in a Geiger mode in order to trigger a Geiger current upon light reception, and having a signal detection circuit (50) for reading out the avalanche photo diode elements (10, 12a-c), wherein the signal detection circuit (50) comprises an active coupling element (52) having an input (54) connected to the avalanche photo diode elements (10, 12a-c) and an output (56), the active coupling element (52) mapping the Geiger current at the input (54) to a measuring current corresponding to the Geiger current in its course and level, wherein the input (54) forms a virtual short-circuit for the Geiger current with respect to a potential (ground, −UBE; Uconst−UBE), and the output (56) is decoupled from the input (54).

Abstract translation: 具有多个雪崩光电二极管元件（10,12a-c）的光接收器（10,50），其偏压具有大于穿透电压的偏置电压，并且因此以盖革模式操作，以便触发盖盖电流 并且具有用于读出雪崩光电二极管元件（10,12a-c）的信号检测电路（50），其中信号检测电路（50）包括具有输入端（54）的有源耦合元件（52） ）连接到雪崩光电二极管元件（10,12a-c）和输出（56），所述有源耦合元件（52）将输入（54）处的盖盖电流映射到与其中的盖盖电流相对应的测量电流 其中所述输入端（54）相对于电位（地面，UCOBS-UBE）形成盖格电流的虚拟短路，并且输出端（56）与输入端（54）分离， 。

公开(公告)号：US20170363467A1

公开(公告)日：2017-12-21

申请号：US15617398

申请日：2017-06-08

Applicant: SICK AG

Inventor： Klaus CLEMENS ,  Gottfried HUG ,  Stefan SEITZ

IPC: G01J1/46 ,  H01L27/144 ,  H01L31/107 ,  H01L31/02 ,  G01J1/44

CPC classification number: G01J1/46 ,  G01J1/44 ,  G01J2001/442 ,  G01J2001/4466 ,  G01J2001/448 ,  H01L27/1446 ,  H01L31/02027

Abstract: A light receiver (50) is provided having a plurality of avalanche photodiode elements (10) that are each biased by a bias above a breakdown voltage and that are thus operated in a Geiger mode to trigger a Geiger current on light reception, wherein the avalanche photodiode elements (10) have a first connector (20, 22, 28a-b) and a second connector (20, 22, 28a-b); and wherein a first signal tapping circuit (12) for reading out the avalanche photodiode elements is connected to one of the connectors (20, 22, 28a-b). In this respect, a second signal tapping circuit (12) for reading out the avalanche photodiode elements (10) is connected to the other connector (20, 22, 28a-b).

公开(公告)号：US20180180473A1

公开(公告)日：2018-06-28

申请号：US15850385

申请日：2017-12-21

Applicant: SICK AG

Inventor： Klaus CLEMENS ,  Gottfried HUG ,  Stefan SEITZ ,  Sebastian TSCHUCH

IPC: G01J1/44

CPC classification number: G01J1/44 ,  G01J1/46 ,  G01J2001/4406 ,  G01J2001/4466 ,  G01J2001/448 ,  G01S7/4816 ,  G01S7/4863 ,  G01S7/497 ,  G01S17/08 ,  G01S17/89

Abstract: A light receiver (22) having a plurality of avalanche photodiode elements (24) each configured to be biased with a bias voltage above a breakdown voltage and thus to be operated in a Geiger mode for triggering a Geiger current upon light reception, the light receiver (22) comprising a plurality of bias voltage terminals (40a-c) providing different bias voltages, wherein the avalanche photodiode elements (24) form a plurality of groups (421-42n), and wherein the avalanche photodiode elements (24) of a group (421-42n) are each supplied with a same one of the different bias voltages.

公开(公告)号：US20180180472A1

公开(公告)日：2018-06-28

申请号：US15846296

申请日：2017-12-19

Applicant: SICK AG

Inventor： Klaus CLEMENS ,  Gottfried HUG ,  Stefan SEITZ

IPC: G01J1/44

CPC classification number: G01J1/44 ,  G01J2001/4238 ,  G01J2001/442 ,  G01J2001/4466 ,  G01S7/4816 ,  G01S7/4861 ,  G01S7/4863 ,  G01S7/4868 ,  G01S17/08 ,  G01S17/89 ,  G06K7/10851 ,  H04B10/616 ,  H04B10/691

Abstract: A light receiver (100), comprising: a plurality of avalanche photodiode elements (10) each being biased with a bias voltage above a breakdown voltage and thus operated in a Geiger mode in order to trigger a Geiger current upon light reception and a plurality of readout circuits (42, 44, 46) associated with individual avalanche photodiode elements (10) or a group of avalanche photodiode elements (10) for reading out a Geiger current generated upon light reception, wherein the readout circuits (42, 44, 46) each comprise a measurement path (42) and a blanking path (46) as well as a switching element (44) for selectively supplying the Geiger current, or a measurement current corresponding to the Geiger current, to the measurement path (42) or the blanking path (46).

公开(公告)号：US20190235082A1

公开(公告)日：2019-08-01

申请号：US16257697

申请日：2019-01-25

Applicant: SICK AG

Inventor： Hartmut GIMPEL ,  Gottfried HUG ,  Klaus CLEMENS

IPC: G01S17/42 ,  G01S7/481 ,  G01S17/89

CPC classification number: G01S17/42 ,  G01S7/4811 ,  G01S7/4812 ,  G01S7/4813 ,  G01S7/4815 ,  G01S7/4817 ,  G01S17/89 ,  G01S17/936

Abstract: An optoelectronic sensor (10) for detecting objects in a monitoring region (20), the sensor (10) having a scanning unit (12, 58) movable about an axis of rotation (18), a plurality of scanning modules (22) for periodically scanning the monitoring region (20) and for generating corresponding received signals, and an evaluation unit (48) for obtaining information about the objects from the received signals, the scanning modules (22) comprising at least one light transmitter (24) for transmitting several light beams (28) separated from one another and at least one light receiver (36) for generating the received signals from the light beams (32) remitted by the objects, wherein at least one scanning module (22) is at least one of tilted by a tilt angle (β) relative to its main viewing direction and rotated by a rotation angle (γ).

公开(公告)号：US20190120962A1

公开(公告)日：2019-04-25

申请号：US16164217

申请日：2018-10-18

Applicant: SICK AG

Inventor： Harmut GIMPEL ,  Gottfried HUG

IPC: G01S17/42 ,  G01S7/481 ,  G02B26/10 ,  G01C3/08

Abstract: A transmission/reception module for an optoelectronic sensor is provided that has a light transmitter having a transmission optics and that has a light receiver having a reception optics, wherein an irradiation angle of transmitted light of the light transmitter is smaller than a reception angle of received light incident on the light receiver; the light transmitter and the light receiver are arranged coaxially; and the transmission optics and the reception optics are formed as a common optics. The light transmitter and the light receiver are here indirectly micromechanically connected to one another.