Abstract: In order to provide an improved method and device to facilitate the teach-in of gripper positions, it is suggested that the positions be automatically detected. The procedure shall include: starting a teach-in process, detecting the position and the direction of movement of the actuating element on its path with a sensor, performing gripping movements from one position to another and stopping the gripper in each of the positions, storing the position of the actuating element when the gripper stops and storing the direction of movement from which this position was approached as the associated direction of movement, stopping the teach-in process when as many different positions with the associated movement directions have been stored as there are gripper positions, assigning of the gripper positions to the three positions from the stored positions and the stored, associated movement directions.

Abstract: A focusing device for an optical system that has a carrier and an objective arranged thereat comprises a first guide section that is configured for fastening to the carrier or is designed in one piece therewith, a second guide section that forms a holder for the objective, at least one spring element that forms an elastic connection of the first guide section to the second guide section, and an actuator for adjusting the second guide section in and against an adjustment direction with respect to the first guide section, wherein the spring element is areal at least regionally. The spring element has at has one stiffening zone in which a first surface section of the spring element is bent over along a bending edge with respect to a second surface section of the spring element.

Abstract: The invention relates to a plug-in module for a sensor (32) comprising a sleeve-like housing (3) in which a sensor element (27), a carrier board (16) carrying an electronic circuit and a plug-in unit (2) are positioned. In a plug-in module which can be used equally for sensors of different sizes, an outer diameter (5) of the plug-in unit (2) approximately corresponds to a smallest inner diameter (8) of the sleeve-like housing (3), wherein a coding sleeve (4) is inserted between the plug-in unit (2) and the sleeve-like housing (3).

Abstract: A distance-measuring optoelectronic sensor (10) for detecting and determining a distance of an object (16) in a monitoring area (14), the sensor (10) having a light transmitter (12) for transmitting a transmission signal, a light receiver (18) for generating a reception signal and a control and evaluation unit (24) configured to determine a light time of flight from the reception signal and, from that, the distance of the object (16), wherein the control and evaluation unit (24) is further configured to transmit at least one periodically modulated pulse as a transmission signal, to determine a reception time of the pulse in the reception signal and a phase offset of the modulation between transmission signal and reception signal in a neighborhood of the reception time and to determine the distance of the object (16) from the reception time and the phase offset.

Abstract: A method for determining a module size of an optical code (20), wherein image data with the code (20) are detected, a brightness distribution is determined from the image data, and the module size is determined from the brightness distribution. The brightness distribution for example is a greyscale histogram.

Abstract: A sensor arrangement for securing a monitored zone having at least one hazard zone with respect to a machine is provided, wherein the sensor arrangement has at least one optoelectronic monitoring sensor for detecting objects in the monitored zone and has a control and evaluation unit that is configured to compare the positions of detected objects with the hazard zone and to initiate a safety-relevant response of the machine in the case of a dangerous position. The control and evaluation unit is furthermore configured to generate and to monitor a further hazard zone with respect to a detected object.

Abstract: An optoelectronic code reader (10) having at least one light receiving element (24) for generating image data from reception light and an evaluation unit (26) with a classifier (30) being implemented in the evaluation unit (26) for assigning code information to code regions (20) of the image date, wherein the classifier (30) is configured for machine learning and is trained by means of supervised learning based on codes read by a classic decoder (28) which does not make use of methods of machine learning.

Abstract: A code reader for the reading of optical codes is provided that has an image sensor for the detection of image data with the code and that has a control and evaluation unit that is configured to read the code with at least one decoding method, wherein the control and evaluation unit is connected to a distance sensor that determines a distance value for the distance of the code. The control and evaluation unit is further configured for the purpose of setting at least one parameter and/or including at least one additional algorithm of the decoding method for the decoding method in dependence on the distance value.

Abstract: In a method of manufacturing an optical system that comprises at least one beam deflection unit, at least one diaphragm element, and at least one holder for fixing the beam deflection element and the diaphragm element in a predefined arrangement relative to one another, the beam deflection element and a screening element are provided. The beam deflection element and the screening element are fixed by means of the holder such that the actual arrangement of the screening element relative to the beam deflection element corresponds to the predefined arrangement of the diaphragm element relative to the beam deflection element. The beam deflection element is irradiated by the processing light beams such that after a deflection by the beam deflection element the processing light beams are incident on a functional zone of the screening element and change its optical properties by energy emission.

Abstract: To enable fine adjustment of a sensor in a mounting device, a mounting device is provided for holding the sensor in an operating position. The mounting device comprises a base body having a first through-hole, a holding member having a second through-hole. The sensor is held in these through-holes by displacement of the holding member versus the base body and shifting the through-holes out of alignment. The holding member comprises an adjustment element, in particular a thread, which engages with an outer surface of the sensor in such a way that, when the sensor is rotated about a sensor central axis, the adjustment element causes the sensor to move along the central axis.

Abstract: A method of reading optical codes is specified in which an image sensor having at least one pixel element detects image information in a reading zone and in which the image information is evaluated to read a code in the reading zone. The image sensor is an event-based image sensor here.

Abstract: An optical scanner comprises a light transmitter for transmitting a light beam; a beam deflection unit that is configured to deflect the transmitted light beam in a periodically varying manner with a predefined period duration in order to scan a detection zone; a light receiver for receiving reflected light; and an electronic control device for controlling the beam deflection unit. The electronic control device is configured to automatically increase or decrease the period duration by a difference amount with respect to a nominal value before or during the operation of the optical scanner in order to counteract crosstalk between the optical scanner and a further optical scanner.

Abstract: To enable an increase in a service life of a modular safety relay circuit, a modular safety relay circuit is provided for the safe switching on and/or off of at least one machine comprising at least one relay module to which the at least one machine is connected, wherein the relay module comprises at least two relay contacts that are connected in series and that can be brought from a first position into a second position and vice versa; and wherein one relay contact switches in advance by a delay of the other relay contact; and a control unit controlling the relay contacts that alternatingly controls the relay contacts in accordance with a state detection of the relay contacts with the delay.

Abstract: A safety system having a safety switch for monitoring a safe protective equipment status of movable protective equipment, having a base housing that comprises at least two part members that can be positioned with respect to one another, wherein a signal receiver is provided in one part member and a signal transmitter is provided in the other part member so that a safe state of the protective equipment is detectable by means of a control and evaluation unit, and having an interlocking device having an electromagnet and a retaining plate that is disposed opposite the electromagnet for locking or unlocking the protective equipment, wherein the control and evaluation unit is configured to unlock or lock the interlocking unit after checking and verifying the signal receiver, wherein a coil of the electromagnet forms a resonant circuit with the capacitor, with the control and evaluation unit being configured to control the resonant circuit cyclically by at least one pulse signal, and with the control and evaluation

Abstract: A camera apparatus is provided for detecting a stream of objects moving relative to the camera apparatus having a plurality of individual cameras that each have an image sensor for recording frames, wherein the frames overlap one another in part, having an evaluation unit for compiling frames, and having a geometry detection sensor for detecting geometrical data of the objects. The evaluation unit is here configured to generate an object image assembled from frames of an individual object of the stream of objects, with the selection of the participating frames and/or the assembly taking place on the basis of the geometrical data.

Abstract: An optoelectronic sensor for detecting objects in a monitored zone is provided having at least one light receiver for generating measurement data from received light from the monitored zone and having a safe evaluation unit that has at least two processing channels for a redundant processing of the measurement data and having a comparison unit for comparing processing results of the processing channels to uncover errors in a processing channel 30a-b. The processing channels are here each configured for a determination of a signature with respect to their processing results; and the comparator unit is configured for a comparison of the signatures.

Abstract: An optoelectronic sensor is provided for a repeated detection of objects at different object distances, having a light receiver for generating a received signal from received light, having an evaluation unit for generating object information from the received signal, and having a distance sensor for determining the object distance from a respective object. The evaluation unit is here configured to acquire a measurement variable from the received signal with respect to an object, to associate the measurement variable with the object distance measured for the object, and to form a first distribution of the measurement variable via the object distance after detecting a plurality of objects.

Abstract: A method is described for checking a configuration parameter value set at an electronically configurable apparatus. The apparatus has a user interface having a display device, wherein the user interface is configured to display a set configuration parameter value using a computer program, in particular a browser, for presenting data at the display device. The method comprises: displaying at least one first version of the configuration parameter value using a first presentation form of the computer program; generating a second version of the set configuration parameter value on the basis of the first version; and checking the set configuration parameter value on the basis of the first version and at least of the second version.

Abstract: A distance-measuring optoelectronic sensor (10) uses two sampling memories for detection of objects in a monitoring zone (20). The sensor (10) has a light transmitter (12) for transmitting a transmission light pulse (16) into the monitoring area (20), a light receiver (26) for generating a reception signal from the light pulse (22) remitted by objects in the monitoring area (20), a control and evaluation unit (32) configured to determine a reception point in time from the reception signal and the distance of the object by means of a light time of flight method, and a first and second sampling memory (34a, 34b) having a plurality of memory cells each for storing a section of the reception signal. Partially overlapping recording regions are used, with each alternately recording a reception signal for a longer duration than a time interval between two successive transmission light pulses (16).