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公开(公告)号：US20240176019A1
公开(公告)日：2024-05-30
申请号：US18517670
申请日：2023-11-22
Applicant: SICK AG
Inventor： Holger WAIBEL , Florian SIMIC , Carsten NATZKOWSKI
Abstract: A method and a system having a sensor for detecting legs of a person in a monitored zone having protected fields and for releasing a function of a vehicle, having a control and evaluation unit for evaluating the protected fields, wherein the sensor is configured to generate at least two protected fields, wherein a first protected field detects at least a part of a first leg of the person, wherein a second protected field detects at least a part of a second leg of the person, the control and evaluation unit is configured to determine whether at least a part of a first leg of the person was detected in the first protected field and at least a part of a second leg of the person was detected in the second protected field, and to transmit at least a release signal to the vehicle and thus to release the function when at least a part of a first leg of the person was detected in the first protected field and at least a part of a second leg of the person was detected in the second protected field, wherein the sensor is a time of flight sensor wherein at least one light transmitter transmits a light signal and at least one light receiver receives a signal reflected or remitted by the person, and the control and evaluation unit is configured to evaluate the received signal on the basis of the time of flight and to form object determination signals.
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公开(公告)号：US20240054876A1
公开(公告)日：2024-02-15
申请号：US18232956
申请日：2023-08-11
Applicant: SICK AG
Inventor： Angelina MÜLLER , Carsten NATZKOWSKI , Hans-Jürgen KAMMER , Sebastian KUPFERSCHMID
Abstract: A safety system (1) and a method using a safety system (1) for localizing at least one spatially variable object (2) having at least one first real time control and evaluation unit (3), having at least one radio location system (4), wherein the radio location system (4 has at least three arranged radio stations (5); wherein at least one radio transponder (6) is arranged at the object (2); wherein the radio transponder (6) has a check unit (8); wherein the radio transponder (6) has safe switch outputs (9); wherein position data of the radio transponder and thus position data of the object (2) are determined by means of the radio location system (4); wherein the position data are transmitted to the first real time control and evaluation unit (3) by the radio stations (5) of the radio location system (4); wherein the first real time control and evaluation unit (3) is configured to cyclically detect the position data of the radio transponder (6); wherein a second real time control and evaluation unit (7) is provided; wherein the second real time control and evaluation unit (7) is connected to the first real time control and evaluation unit (3); wherein the first real time control and evaluation unit (3) is checked by the second real time control and evaluation unit (7); wherein the second real time control and evaluation unit (7) is configured with two channels; and wherein there is a radio communication connection between the radio transponder and the second real time control and evaluation unit (7) via the first real time control and evaluation unit (3).
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公开(公告)号：US20220260683A1
公开(公告)日：2022-08-18
申请号：US17671098
申请日：2022-02-14
Applicant: SICK AG
Inventor： Olaf HENKEL , Hans-Jürgen KAMMER , Carsten NATZKOWSKI
Abstract: A laser scanner having a plurality of light transmitters, a plurality of light receivers and a control and evaluation unit, wherein a plurality of light transmitters and a plurality of light receivers are respectively arranged in the form of a segment of a circle, in arcuate form, or along a curved line in a common housing, wherein the light beams are transmitted and received in the manner of a fan in different angular directions through a convex front screen at an outer side of the housing, wherein the distances of the transmitted light beams of the light transmitters increase as the distance from the laser scanner increases and/or the distances of the received light beams of the light receivers decrease as the distance from the laser scanner decreases and wherein the light receivers are configured to respectively form a linear reception zone.
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公开(公告)号：US20220229148A1
公开(公告)日：2022-07-21
申请号：US17579940
申请日：2022-01-20
Applicant: Sick AG
Inventor： Markus HAMMES , Carsten NATZKOWSKI
IPC: G01S5/02
Abstract: A method using a safety system and a safety system for localizing at least one object, with varying locations, having at least one control and evaluation unit, and having at least one radio location system, wherein the radio location system has at least three arranged radio stations; wherein at least one radio transponder is arranged at the object; wherein position data of the radio transponder and thus position data of the object can be determined by means of the radio location system; wherein the position data can be transmitted from the radio station of the radio location system to the control and evaluation unit, wherein the control and evaluation unit is configured to cyclically detect the position data of the radio transponder and wherein a first inspection unit is provided, with the first inspection unit being connected to the control and evaluation unit, and with the control and evaluation unit being checked by the first inspection unit.
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