Patents Assigned to Sick AG
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Patent number: 11595741Abstract: A camera for detecting an object in a detection zone is provided that has an image sensor for recording image data, a reception optics having a focus adjustment unit for setting a focal position, a distance sensor for measuring a distance value from the object, and a control and evaluation unit connected to the distance sensor and the focus adjustment unit to set a focal position in dependence on the distance value, and to determine a distance value with the distance sensor via a variable measurement duration that is predefined in dependence on a provisional distance value such that a measurement error of the distance value and thus, on a recording of image data of the object, a focus deviation of the set focal position from an ideal focal position remains small enough for a required image sharpness of the image data.Type: GrantFiled: April 8, 2021Date of Patent: February 28, 2023Assignee: SICK AGInventors: Romain Müller, Tobias Pontiggia
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Patent number: 11582380Abstract: A focus module for an optoelectronic sensor is provided that has a focus adjustable optics, a focus adjustment unit for varying a focal position of the optics, and a focus control to move the optics into a focal position corresponding to a distance value by means of the focus adjustment unit. The focus module here furthermore has a distance sensor for determining the distance value and the focus adjustment unit, the focus control, and the distance sensor are parts of the focus module.Type: GrantFiled: October 26, 2020Date of Patent: February 14, 2023Assignee: SICK AGInventors: Florian Schneider, Tobias Pontiggia, Jonathan Pfeil
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Patent number: 11579269Abstract: An optoelectronic sensor for determining the distance of an object in a monitoring area has a light transmitter for transmitting transmitted light, a light receiver for generating a received signal from remitted light remitted by the object, and a control and evaluation unit configured to modulate the transmitted light with at least a first frequency and a second frequency, to determine a phase offset between transmitted light and remitted light for the first frequency and the second frequency, and to determine a light time of flight. The control and evaluation unit is configured to determine a first amplitude and a second amplitude for the first frequency and the second frequency from the received signal and to detect whether the transmitted light impinges on an edge in the monitoring area on the basis of an evaluation of the first amplitude and the second amplitude.Type: GrantFiled: May 6, 2020Date of Patent: February 14, 2023Assignee: SICK AGInventors: Hartmut Gimpel, Matthias Honal
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Patent number: 11573100Abstract: The invention relates to a sensor for determining an output value, the sensor having: a detection unit configured to detect a sensor signal; a preprocessing unit configured to determine an intermediate signal on the basis of the sensor signal and of a predefined reference signal; and an evaluation unit that is trained in accordance with a machine learning method and that is configured to determine the output value on the basis of the intermediate signal.Type: GrantFiled: November 23, 2020Date of Patent: February 7, 2023Assignee: SICK AGInventors: Andreas Peter, Sascha Thoss, Olaf Machul
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Patent number: 11573308Abstract: A method of operating a monitoring sensor comprising a light transmitter; a light receiver; and a deflection unit is described, with the method comprising the steps: a) detecting a respective detected signal that comprises a time curve of a reception signal received for an angle of rotation; b) determining the number of reception light pulses in the detected signal; c) generating a detection signal that comprises information on the determined position of an object, wherein checks are made in accordance with first, second and third test conditions, and with the first test condition being checked in a first test step, and one of the second and third test conditions being checked in possibly performed second and/or third test steps respectively.Type: GrantFiled: March 24, 2020Date of Patent: February 7, 2023Assignee: SICK AGInventor: Fabian Jachmann
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Patent number: 11576007Abstract: A safety system and a method for localizing at least one object having a control and evaluation unit have at least one radio location system. The radio location system has at least three arranged radio stations. Position data of the object can be determined by means of the radio location system and can be transmitted to the control and evaluation unit. At least three radio transponders are arranged at the object, each arranged spaced apart from one another and the three radio transponders form different points on a plane and unambiguously define the plane in space. The control and evaluation unit is configured to compare the position data of the radio transponders and to form checked position data of the object. The control and evaluation unit is configured to form orientation data of the object from the position data of the radio transponders.Type: GrantFiled: January 7, 2021Date of Patent: February 7, 2023Assignee: SICK AGInventors: Fabio Brunner, Markus Hammes, Mathias Ams
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Patent number: 11567203Abstract: The present invention relates to a light line triangulation apparatus with a measurement space for receiving a measurement object, a light projector, adapted to project a light line into the measurement space and/or onto the measurement object, an imager for detecting the light line in the measurement space, wherein the imager comprises imaging pixels arranged in a plurality of columns and rows. The apparatus of the invention is characterized in that the imager comprises multiple identical sets of polarization filters, wherein each set of polarization filters comprises at least two polarization filters with different polarization directions, wherein a respective polarization filter covers one of the columns.Type: GrantFiled: March 11, 2020Date of Patent: January 31, 2023Assignee: SICK AGInventors: Romain Müller, Florian Schneider, Mattias Johannesson
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Patent number: 11558729Abstract: A safety system for localizing a person or object has a control and evaluation unit, at least one radio location system, and at least one spatially resolving sensor for the position determination of the person or object. The radio location system has arranged radio stations, wherein at least one radio transponder is arranged at the person or object. Position data and classification data of the person or object can be determined by means of the radio location system. The position data and the classification data can be transmitted from the radio station to the control and evaluation unit and position data and contour data of the person or object can be determined by means of the spatially resolving sensor. The control and evaluation unit is configured to compare the position data of the radio location system and the position data of the spatially resolving sensor.Type: GrantFiled: January 14, 2021Date of Patent: January 17, 2023Assignee: SICK AGInventors: Markus Hammes, Christoph Hofmann
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Patent number: 11529832Abstract: The invention concerns a device and a method for detecting a tire on a vehicle to determine whether there is a single or twin tire on an axle. The device has an optical sensor for this purpose, the sensor detecting at least one region of a rim on which a tire to be determined is mounted. An evaluation unit is also provided which is designed to determine a shape of the area of the rim from the sensor signals and to generate a signal from the shape which represents the type of tire.Type: GrantFiled: July 12, 2019Date of Patent: December 20, 2022Assignee: SICK AGInventors: Thomas Seitel, Andreas Tarnoki
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Patent number: 11527007Abstract: A camera is provided that has an image sensor having a plurality of pixel elements for recording image data of an object stream moved in a direction of movement relative to the camera and having objects of a height, and a control and evaluation unit that is configured to determine the height of a respective object with reference to the image data. The image sensor here is an event-based image sensor and the control and evaluation unit is configured to detect a measurement series of points in time at which pixel elements adjacent in the direction of movement consecutively register an event to determine a speed of an object image of the object on the image sensor from said measurement series and from this the height.Type: GrantFiled: October 19, 2020Date of Patent: December 13, 2022Assignee: SICK AGInventors: Romain Müller, Florian Schneider
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Patent number: 11528403Abstract: A camera is provided that has an image sensor for recording image data from a field of vision, a communication interface for connection to at least one further camera in a network, a control and evaluation unit for reading the image data, and a memory in which a parameter set for the operation of the camera is stored, At least one further parameter set for the operation of at least one further camera of the network is stored in the memory here.Type: GrantFiled: March 8, 2021Date of Patent: December 13, 2022Assignee: SICK AGInventor: Roman Lauer
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Patent number: 11521006Abstract: A code reader for reading an optical code is provided that has a linear image sensor having a plurality of linear arrangements of light reception pixels for recording image data having the code and a control and evaluation unit that is configured to locate and read the code in the image data, wherein the light reception pixels have a different spectral sensitivity. Here, at least one linear arrangement is a white line whose reception pixels are sensitive to white light for recording a gray scale image and the other linear arrangements are color lines whose reception pixels are sensitive to light of only one respective color for recording a color image.Type: GrantFiled: November 13, 2020Date of Patent: December 6, 2022Assignee: SICK AGInventors: Romain Müller, Florian Schneider, Richard Nopper
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Patent number: 11513225Abstract: A position determination system for determining a position of a device movable in an environment comprises a position determination unit and a memory unit. An environmental map of the environment is stored in the memory unit. The position determination unit is configured to receive measured distance values of an environmental sensor of the movable device and to determine the position of the movable device by a comparison of the measured distance values with the environmental map. The stored environmental map comprises at least one block, with the block comprising an arrangement of map values representing the environment and with the map values representing distance values from a margin of the environment. The block of the environmental map is stored in the memory unit as a coefficient of a linear combination of basis functions, with the linear combination of the basis functions approximating the map values of the block.Type: GrantFiled: February 7, 2020Date of Patent: November 29, 2022Assignee: SICK AGInventor: Patric Beinschob
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Patent number: 11512940Abstract: A 3D sensor for monitoring a monitored zone is provided, wherein the 3D sensor has at least one light receiver for generating a received signal from received light from the monitored zone and has a control and evaluation unit that is configured to detect objects in the monitored zone by evaluating the received signal and to determine the shortest distance of the detected objects from at least one reference volume, and to read at least one distance calculated in advance from the reference value from a memory for the determination of the respective shortest distance of a detected object.Type: GrantFiled: July 3, 2019Date of Patent: November 29, 2022Assignee: SICK AGInventors: Armin Hornung, Matthias Neubauer, Lars Müller
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Patent number: 11514565Abstract: A safe optoelectronic sensor is provided for securing a monitored zone comprising at least one machine, wherein the sensor has at least one light receiver for generating a received signal from received light from the monitored zone and a control and evaluation unit that is configured to determine distances from objects in the monitored zone from the received signal, and to treat gaps, i.e. safety relevant part regions of the monitored zone in which no reliable distance can be determined, as an object at a predefined distance. The predefined distance here corresponds to a height for securing against reach over.Type: GrantFiled: May 16, 2019Date of Patent: November 29, 2022Assignee: SICK AGInventors: Ingolf Braune, Armin Hornung, Matthias Neubauer, Shane Macnamara
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Patent number: 11507717Abstract: A method of determining one or more characteristic values for an environment automatically trafficable by vehicles comprises the steps: providing a spatially resolving, electronically usable representation of the environment; providing parameters that describe properties of vehicles and of the traffic in the environment; simulating the traffic in the environment with reference to the electronically usable representation of the environment and with reference to the parameters provided; in the simulation, detecting and counting events of interest, detecting and counting events of interest, determining the characteristic values with reference to the counter result, and outputting and/or storing the characteristic value.Type: GrantFiled: August 8, 2019Date of Patent: November 22, 2022Assignee: SICK AGInventors: Kay Fuerstenberg, Christoph Reinke, Patric Beinschob, Christoph Hansen, Georg Plasberg, Martin Wüstefeld
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Patent number: 11486973Abstract: An optoelectronic sensor is provided having a light receiver, a reception optics arranged upstream of the light receiver, and a control and evaluation unit, wherein the reception optics has a beam deflection device having a plurality of switchable blaze gratings of different grating constants arranged behind one another, and wherein the control and evaluation unit is configured to switch a blaze grating on and off in accordance with a desired deflection angle of the beam deflection device have the same grating constants, but a mutually different blaze angle.Type: GrantFiled: September 17, 2019Date of Patent: November 1, 2022Assignee: SICK AGInventors: Hartmut Gimpel, Thomas Russ
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Patent number: 11480707Abstract: An optoelectronic sensor for detecting objects in a monitored zone is provided, wherein the sensor has a scanning unit that is movable about an axis of rotation and that has a plurality of scanning modules accommodated therein for a periodic scanning of the monitored zone and for a generation of corresponding received signals and that has a control and evaluation unit for acquiring information on the objects from the received signals; and wherein the scanning modules each comprise a light transmitter for transmitting a light beam and a light receiver for generating a respective received signal from the light beam remitted by the objects. A respective mirror element is here associated with the scanning modules to set an angle of elevation of a respective scanning plane detected by a scanning module with respect to a central scanning plane perpendicular to the axis of rotation.Type: GrantFiled: January 30, 2019Date of Patent: October 25, 2022Assignee: SICK AGInventors: Sascha Steinkogler, Roland Gehring, Konrad Winterer
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Patent number: 11465283Abstract: A method of protecting humans in an environment of a moving machine is provided that comprises the environment being monitored by means of a protective device that is configured to detect one or more kinematic parameters of a respective object located in the environment and controlling the moving machine in dependence on detected kinematic parameters of the respective object to initiate a protective measure. The protective equipment here detects the polarization properties and a movement modulation of the respective object in dependence on which the respective object is classified with respect to whether the respective object is a human. In particular only when the respective object was classified as a human, the protective equipment controls the moving machine to initiate the protective measure in dependence on detected kinematic parameters of this respective object.Type: GrantFiled: October 10, 2019Date of Patent: October 11, 2022Assignee: SICK AGInventors: Oliver Prinz, Christoph Hofmann
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Patent number: 11460342Abstract: To enable a simple mounting and alignment of an optoelectronic measuring device in its operating position, a fastening system is provided for fastening the optoelectronic measuring device. The fastening system includes a fastening section provided at a surface of a housing of the measuring device. An adjustment adapter has a first element for connection to the fastening section and is provided for the alignment of the measuring device in the operating position. The fastening section rises from the surface of the housing and forms a platform having a groove and a latch cutout at at least one side located perpendicular to the surface of the housing. The first element of the adjustment adapter has a tongue element formed with shape matching the groove and a latching protrusion formed with shape matching the latch cutout. The fastening section and the adjustment adapter are latchinigly connectable to one another without tools.Type: GrantFiled: July 9, 2021Date of Patent: October 4, 2022Assignee: SICK AGInventors: Christof J. Meyer, Ralf Friedrich