Abstract: The invention relates to a sensor arrangement and to a method for safeguarding a monitored zone at a machine.

Abstract: To obtain a measuring device (1) with ingress protection classes that can be manufactured simply and inexpensively, a measuring device (1) for measuring a physical value in a unit containing a medium is provided comprising a housing (2) that has a wall (2a) for housing electronic measurement equipment and a connection section (2b) for connecting the measuring device (1) to the unit; a membrane (4) that is provided at the wall (2a) to cover a first opening in the wall (2a); and a plug connection (5) that is provided adjacent to the membrane (4) at the wall (2a) and that is configured to provide an electrical connection between the electronic measurement equipment and electrical plug contacts for a plug connectable to the measuring device (1); a second opening (3b) into which the plug connection (5) is pluggable, wherein the plug connection (5) is formed with a fastening section (6) for fastening the plug connection (5) to the wall (2a) of the housing (2) and the fastening section (6) has a flange element (6a),

Abstract: The present invention teaches a system having at least one plant system having at least a plurality of agents, having at least a plurality of autonomous mobile robots, movable machinery, and a plurality of sensors for generating data for use for the safety relevant securing of the plant system, wherein a local plant safety system associated with the plant system is present, wherein data of the local plant safety system are stored in a first database, wherein the local plant safety system has a first data model having datasets of the plant system, wherein a decentral public plant library system associated with the local plant safety system is present, wherein the plant safety system and the plant library system are connected to one another via an interface, and wherein data and datasets can be transmitted between the plant safety system and the plant library system via the interface.

Abstract: An optoelectronic sensor in accordance with the principle of triangulation for detecting an object in a monitored zone is provided that has a light transmitter and a transmission optics associated with the light transmitter in a transmission path for transmitting a light beam, and a spatially resolving light receiver and a reception optics associated with the light receiver in a reception path for receiving the light beam remitted by the object, as well as a control and evaluation unit that is configured to evaluate a received signal of the light receiver. The sensor furthermore has an optical metaelement having a metasurface and/or a metamaterial in the reception path.

Abstract: A safety device is provided for monitoring at least one machine that has at least one sensor for generating sensor data on the machine and a processing unit for the sensor data that is connected at least indirectly to the sensor and to the machine and that is configured as a runtime environment having at least one computing node and to allow at least one logic unit to run on the computing node, wherein at least one logic unit comprises a safety functional unit for a safety relevant evaluation of the sensor data to output in the case of a safety relevant event a safety signal to the machine for triggering a safety response, In this respect, the processing unit is furthermore configured to generate and resolve logic units and/or to assign them to a computing node.

Abstract: A method for locating an optical code, on the basis of a finder pattern of the optical code, in an image having a plurality of pixels, the method comprising the steps of determining at least one candidate position for the finder pattern on the basis of edge transitions along at least one line through the image; determining a final position of the finder pattern in a vicinity of the candidate position; and verifying the final position, i.e. verifying that the image comprises the finder pattern in the final position, using a known property of the finder pattern.

Abstract: A 3D time-of-flight camera for detecting three-dimensional image data from a detection zone is provided, the 3D time-of-flight camera comprising an illumination unit for transmitting transmission light that is modulated with a first modulation frequency; an image sensor having a plurality of reception elements for generating a respective reception signal; a plurality of demodulation units for demodulating the reception signals with the first modulation frequency in order to obtain sampled values; and a control and evaluation unit that is configured to control the illumination unit and/or the demodulation units for a number of measurement repetitions, in each case with a different phase shift between the first modulation frequency for the transmission light and the first modulation frequency for the demodulation, and that is configured to determine a distance value from the sampled values obtained per light reception element by the measurement repetitions.

Abstract: A camera based code reader for reading an optical code on an object in a relative movement to the code reader has a linear image sensor to record a respective image line and a control and evaluation unit having at least one first pre-processing unit and a further processing unit. The first pre-processing unit is connected to the image sensor and is configured to read image line by image line in the course of the relative movement, to rescale a respective image line with a zoom factor z in a pre-processing, and then to forward it to the further processing unit. The further processing unit is configured to read the optical code from the image lines. The image sensor has a plurality of linear arrangements of light reception elements. Some of the light reception elements are sensitive to white light and some are respectively sensitive to only one color.

Abstract: A camera includes an image sensor having a first recording channel of a first sensitivity for recording first image data including first pixels and a second recording channel of a second sensitivity lower than the first sensitivity for recording second image data including second pixels. The first pixels and second pixels are associated with one another by capturing a same object area. A control and evaluation unit processing the image data is configured to suppress noise effects in the second image data using a noise suppression filter that assigns a new value to a respective considered second pixel based on second pixels in a neighborhood of the considered second pixel. The noise suppression filter takes the second pixels in the neighborhood into account with a weighting that depends on how similar first pixels associated with the second pixels are to the associated first pixel of the respective considered second pixel.

Abstract: A method using a safety system and a safety system for localizing at least one object, with varying locations, are provided. A radio location system has at least three arranged radio stations and at least one radio transponder is arranged at the object. Position data of the radio transponder and the object can be determined by means of the radio location system. The position data can be transmitted from a radio station of the radio location system to a control and evaluation unit which is configured to cyclically detect the position data of the radio transponder. A first inspection unit is connected to the control and evaluation unit, and the control and evaluation unit is checked by the first inspection unit.

Abstract: The present invention relates to an FMCW-LiDAR distance measurement apparatus in which a light source, in particular a laser, generates a frequency modulated transmission light beam as a transmission signal having a predetermined frequency deviation and transmits said frequency modulated transmission light beam into a measurement zone; a light receiver receives light reflected by objects in the measurement zone as a reception signal; a mixer mixes at least a portion of the transmission signal with the reception signal and with an oscillator frequency to generate a mixed signal; and the oscillator frequency is adapted to a desired measurement zone to achieve a high measurement accuracy in the desired measurement zone.

Abstract: A method of locating code image zones in an output image of a code bearing object (14), wherein first candidates for code image zones are determined in a first segmentation process using a process of classical image processing without machine learning and second candidates for code image zones are determined in a second segmentation process using machine learning, with the first and second candidates being fused to locate the code image zones.

Abstract: The invention relates to a code reading apparatus for detecting an at least one-dimensional optoelectronic code, said code reading apparatus comprising an illumination device that is configured to transmit a transmission light beam for generating a transmission light spot on the optoelectronic code to be detected; a scanning apparatus that comprises an oscillating mirror that is pivotable in an oscillating manner at least about a first pivot axis and that is configured to sequentially scan the optoelectronic code with the transmission light spot in at least a first scanning direction by deflecting the transmission light beam; an optoelectronic sensor that is configured to detect transmission light remitted by the optoelectronic code and to convert it into electrical reception signals; and a control device that cooperates with the optoelectronic sensor and the scanning apparatus to control the scanning apparatus and to generate an electronic code from the reception signals that comprises information encoded in

Abstract: A method for brightness and color correction of image data of a line camera is disclosed, wherein, for the detecting of image data with at least two line arrays of the line camera while illuminating a detection area of the line camera with an illumination module, a gray-scale image and at least two single-color images are recorded, and the image data is corrected with the help of a brightness function of the illumination module which is dependent on a line position of the line array and/or a distance of recorded objects. The brightness function is determined for the illumination module in advance and independent of the line camera and is stored in the illumination module, and the brightness function is read out by the line camera and used for the respective correction of the gray-scale image and the single-color images.

Abstract: A safety laser scanner (10) for detecting objects in a monitored zone (20) is provided that has a light transmitter (12) for transmitting a scan beam (16), a movable deflection unit (18) for the periodic scanning of the monitored zone (20) by the scan beam (16), a light receiver (26) for generating a received signal from the scan beam (22) remitted by the objects, a front screen (38), and a control and evaluation unit (32) that is configured to acquire information on the objects in the monitored zone (20) from the received signal and to recognize an impaired light permeability of the front screen (38) in a front screen monitoring by evaluating a front screen reflection beam (54) that is generated from the scan beam (16) by reflection at the front screen (38), At least one light deflection unit (56, 58) is provided in the optical path of the front screen reflection beam (54) that guides the front screen reflection beam (54) to the front screen (38) again in a region (60) to be tested so that a twice-reflected

Abstract: An optoelectronic sensor for detecting objects in a monitored zone is provided, wherein the sensor comprises a laser scanner having a deflection unit rotatable about an axis of rotation for scanning the monitored zone with at least one scanning beam; a first distance measurement unit for determining 3D measurement points of the respective objects impacted by the scanning beam using a time-of-flight method; a panorama camera having a panorama optics and having an image sensor with a plurality of light reception elements for detecting picture elements; and a control and evaluation unit that is configured to fuse the 3D measurement points and the picture elements. In this respect, the optical axis of the panorama camera and the rotation axis coincide.

Abstract: An optoelectronic sensor for the detection of objects in a monitored zone is provided that has a light transmitter for transmitting a light beam, a light receiver for generating a received signal from the light beam remitted by the objects in the monitored zone, a control and evaluation unit for the detection of information on the objects with reference to the received signal, a base unit, a scanning unit movable with respect to the base unit for the periodic scanning of the monitored zone, and a drive having a hollow shaft for moving the scanning unit, wherein the scanning unit comprises a first data transmission unit and the base unit comprises a second data transmission unit to exchange data wirelessly between the base unit and the scanning unit through the hollow shaft, The first data transmission unit and the second data transmission unit are configured as microwave units for the data exchange by means of microwave signals.

Abstract: A method is proposed of reading an optical code that encodes a message that has a character chain having a plurality of characters, said method comprising the steps: recording image data having the optical code; evaluating the image data with a reading of the optical code; comparing the read characters of the message with a scheme that contains a fixed character for at least one position of the message that is expected at this position in codes to be read; and recognizing an incorrectly read message and/or correcting the read message with reference to the comparison with the scheme. The scheme contains a variable character that is expected at this position in codes to be read for at least one position of the message, with a variable character being set to a partial range of the possible characters, but not to a fixed character.

Abstract: An optoelectronic sensor for detecting an object in a monitored zone having at least one light source for transmitting transmitted light, a light receiver having a reception optics arranged upstream for generating received signals from light beams remitted at the object, and a control and evaluation unit for acquiring information on the object from the received signals has a beam splitter arrangement arranged downstream of the light source for splitting the transmitted light into a plurality of transmitted light beams separated from one another, wherein the beam splitter arrangement includes a plurality of switchable beam splitters for splitting the transmitted light.