Abstract: 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.

Abstract: An optoelectronic sensor (10), in particular a laser scanner, for the detection of objects in a monitored zone (20) having a more than one scanning plane is provided which comprises a light transmitter (12) for the transmission of a light beam (16), a drive (28) for generating a rotational movement, a deflection unit (18, 62) rotatable about an axis of rotation (30) by the drive (28) for the periodic deflection of the light beam (16), a light receiver (26) for generating a received signal from the light beam (22) remitted or reflected from the monitored zone (20), and comprising an evaluation unit (46) which is configured for the detection of the objects on the basis of the received signal, wherein the deflection unit (18, 62) can be tilted in order to vary the scanning plane. In this connection the drive (28) tilts the deflection unit (18, 62) at the same time as the rotational movement.

Abstract: A detection system (10) is provided for installation at a conveyor belt (12) having at least one detection sensor (24, 26) for detecting object properties of objects (14) conveyed on the conveyor belt (14) and having an evaluation unit (36) for outputting object information derived from the object properties at a definable output point (34) of the conveyor belt (12). In this respect, the evaluation unit (36) is configured to divide the objects (14) into at least two object classes based on the object properties and an output point (34) can be defined for each object class at the conveyor belt (12).

Abstract: A camera system (10), in particular a camera-based code reading system, for detecting a stream of objects (14) moved relative to the camera system (14) is provided, wherein the camera system (10) has a plurality of detection units (18) each having an image sensor and a focusing unit (20) as well as at least one control unit (30, 32) to set the focal positions of the detection units (18) in a complementary manner on a simultaneous detection of a plurality of objects (14) such that as many objects (14) as possible are detected in focus by at least one detection unit (18). In this respect, an evaluation unit (32) is provided which is configured to compose image data of the detection units (18) to form a common image.

Abstract: An optoelectronic sensor (100) for the detection of object information from a monitored zone (108) is provided, wherein the sensor (100) comprises a light transmitter (12) having an associated transmission optics (14) for the beam formation of a transmitted light beam (102, 20, 24) and for a limitation of its beam cross-section to a predefined diameter in a depth of field range; a light receiver (116) for the generation of a received signal from the reflected light beam (112); and a control and evaluation unit (118) for extracting object information from the received signal. In this connection, the transmission optics (14) has at least two optical part regions (18a-b) having different beam-forming properties and the optical part region (18a-b) which acts in a beam-forming manner with respect to the transmitted light beam (20, 24) can be set in order to vary the depth of field range.

Abstract: An illumination apparatus (10) is provided for a camera-based code reader (100) having a plurality of light transmitters (16) arranged in ring shape and in a fixed position with respect to a base housing part (12) and having a plurality of optical transmission systems (20) associated with the light transmitters (20) in a front housing (14) supported rotationally movably with respect to the base housing part (12), wherein the optical transmission systems (20) can be set to adapt the illumination by rotation of the front housing (14). The front housing (14) has a plurality of front lenses (20) and the front housing (14) is supported in a thread (15) with respect to the base housing part (12) so that front lenses (20) can be associated with the light transmitters (16) at a changed spacing by a rotational movement of the front housing (14).

Abstract: A focus adjustment apparatus (10) for a code reader (100) is provided which has an objective (12) having at least one lens and a drive (18) with a cam plate (16) for the positional adjustment of the objective (12). The objective (12) is supported in a parallel guide (14) having a coupling unit (32, 34) for the coupling of the cam plate (16) so that a rotational movement of the cam plate (16) adjusts the position of the objective (12) in the parallel guide (14) with a parallel shift of the objective plane. The coupling unit (32, 34) has a press-on element (32) for the play-free coupling of the parallel guide (14) to the cam plate (16) and a counter-bearing element (34) between the press-on element (32) and the drive (18) for relieving the drive (18) from the press-on element (34).

Abstract: A flicker-free illumination apparatus (28) for a code reader (10) has an illumination control (26) which is configured for a pulsed operation with an illumination intensity varying between light pulses (30) and pulse pauses (32). The illumination control (26) is further configured to maintain a non-zero illumination intensity during the pulse pauses (32), such that a basic intensity (34) remains.

Abstract: An apparatus (10), in particular a code reader, for the taking of undistorted images of a surface of objects (14) moved on a conveying device (12) is set forth, wherein the apparatus (10) has a geometry detection sensor (18) which is made for the detection of the geometry of the objects (14) with reference to spacing data and/or to the remission behavior of the objects (14) as well as a line sensor (20), in particular a line camera, which can scan the objects (14) linewise for the generation of image data of the surface in a linear reading window (22) which forms an angle with the conveying direction.

Abstract: An apparatus, in particular a code reader, for the recording of images of objects (14) moved on a conveyor device (12), wherein the apparatus includes a line sensor (10), in particular a line camera, which can scan objects line wise for the generation of image data of the surfaces, as well as a speed determination device (26; 30), which can determine the speed of movement of the objects (14) with respect to the line sensor (10) or their conveyed distance. At the same time an evaluation unit (26) is provided, which is adapted to match the recording frequency of the line sensor (10) to the speed of movement.

Abstract: A connector module for the connection of a sensor, such as an optoelectronic sensor, to a fieldbus, having a sensor interface for the connection of the connector module to an interface of the sensor, a bus interface for the connection of the connector module to an interface of a fieldbus and a circuit for the exchange of data to receive data from the sensor interface and to convert them with respect to their format and to output the converted data at the bus interface. The circuit for the exchange of data includes a memory for the intermediate storage of a sensor-specific control file or description file received from the sensor interface, with the control file or description file being able to be processed in the circuit such that the connector module shows the behavior of the respective connected sensor with respect to the fieldbus.

Abstract: An apparatus, in particular a code reader, for the recording of images of objects (14) moved on a conveyor device (12), wherein the apparatus includes a line sensor (10), in particular a line camera, which can scan objects line wise for the generation of image data of the surfaces, as well as a speed determination device (26; 30), which can determine the speed of movement of the objects (14) with respect to the line sensor (10) or their conveyed distance. At the same time an evaluation unit (26) is provided, which is adapted to match the recording frequency of the line sensor (10) to the speed of movement.

Abstract: The invention relates to a connector module for the connection of a sensor, in particular of an optoelectronic sensor, to a fieldbus, having a sensor interface for the connection of the connector module to an interface of the sensor, a bus interface for the connection of the connector module to an interface of a fieldbus and a circuit for the exchange of data to receive data from the sensor interface and to convert them with respect to their format and to output the converted data at the bus interface. The circuit for the exchange of data includes a memory for the intermediate storage of a sensor-specific control file or description file received from the sensor interface, with the control file or description file being able to be processed in the circuit such that the connector module shows the behavior of the respective connected sensor with respect to the fieldbus.

Abstract: A device for optical scanning of markings, such as barcodes, has at least two transmitters (10, 20) that send light beams (12, 22) at different angles toward a rotating polygonal mirror (30), which deflects the light beams onto the markings being scanned. The light reflected by the markings is deflected by the polygonal mirrors (30) to separate receiver systems, so that the device has and simultaneously uses at least two separate transmitter/receiver channels.

Abstract: A method and an apparatus for the optically scanning of objects, especially markings, use at least two emitters (10; 20) arranged so that light beams (12; 22) emitted by them sample or scan the object at different angles. The at least two emitters (10, 20) are arranged so that the emitted light beams (12, 24) strike reflecting surfaces (32) of a polygonal mirror (30) at different angles to a plane (36) that is perpendicular to an axis of rotation of the polygonal mirror, and which direct the beams onto the object being scanned so that the beams strike the object at different angles. The polygonal mirror (30) directs the beams reflected by the object onto an associated, separate receiver system to form at least two separate emitter/receiver channels.

Abstract: The invention relates to a detection system and a detection method for the detection and tracking of optical codes on objects which are transported along a monitored zone, comprising a plurality of optoelectronic sensors to read the codes and to generate corresponding reading data and comprising at least two data buses, each having its own associated bus control unit, wherein each of the plurality of sensors is connected both to the one and to the other of the two data buses and wherein the one of the two data buses with the associated bus control unit, on the one hand, and the other data bus with the associated bus control unit, on the other hand, are divided into a primary branch and a secondary branch which is subordinate to the primary branch.

Abstract: A device for optical scanning of markings, such as barcodes, has at least two transmitters (10, 20) that send light beams (12, 22) at different angles toward a rotating polygonal mirror (30), which deflects the light beams onto the markings being scanned. The light reflected by the markings is deflected by the polygonal mirrors (30) to separate receiver systems, so that the device has and simultaneously uses at least two separate transmitter/receiver channels.

Abstract: An opto-electronic sensor for the optical detection of objects in a monitored zone. The sensor is coupled to a position measuring device for the production of at least one position detection signal and to an evaluation and control device for the calculation of an actual spatial position, alignment and/or angular position of the sensor using the position detection signal.

Abstract: The invention relates to a detection system and a detection method for the detection and tracking of optical codes on objects which are transported along a monitored zone, comprising a plurality of optoelectronic sensors to read the codes and to generate corresponding reading data and comprising at least two data buses, each having its own associated bus control unit, wherein each of the plurality of sensors is connected both to the one and to the other of the two data buses and wherein the one of the two data buses with the associated bus control unit, on the one hand, and the other data bus with the associated bus control unit, on the other hand, are divided into a primary branch and a secondary branch which is subordinate to the primary branch.

Abstract: The invention relates to an opto-electronic sensor for the optical detection of an object within a monitored zone. The sensor is coupled to a position measuring device for the production of at least one position detection signal as well as to an evaluation and control device for the calculation of an actual spatial position, alignment and/or angular position of the sensor using the position detection signal.