Sick Ag

Roland Gehring

Richard Nopper

Christoph Anselment

Juergen Reichenbach

Jurgen Reichenbach

Ralf Ulrich Nübling

Sascha Steinkogler

Jürgen Reichenbach

Reinhold Kilian

Klemens Wehrle

Hubert Uhl

Reinhard Heizmann

Ralf Ulrich Nuebling

Sebastian Pastor

J&uuml;rgen Reichenbach

Johannes Aschenbrenner

Uwe Schöpflin

Ulrich Nubling

Ralf Ulrich Nubling

Michael Wiegers

Jan Reich

Matthias Singler

Friedrich Esselborn

Daniel Schumacher

Konrad Winterer

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.

Optoelectronic sensor and method of detecting objects in a monitoring zone

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

Optoelectronic sensor for the detection of objects

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

Detection system for installation at a conveyor belt

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

Camera system and method of detecting a stream of objects

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

Optoelectronic sensor and method for the detection of object information

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

Illumination apparatus for a camera-based code reader

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

Focus adjustment apparatus for a code reader

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

Flicker-free illumination apparatus

An apparatus (), in particular a code reader, for the taking of undistorted images of a surface of objects () moved on a conveying device () is set forth, wherein the apparatus () has a geometry detection sensor () which is made for the detection of the geometry of the objects () with reference to spacing data and/or to the remission behavior of the objects () as well as a line sensor (), in particular a line camera, which can scan the objects () linewise for the generation of image data of the surface in a linear reading window () which forms an angle with the conveying direction. In this connection, a control () is provided which is made to generate, on the basis of geometrical data of the geometry detection sensor (), a respective spacing profile of the surface over the reading window () from the perspective of the line sensor () and to generate an associated zoom factor and/or a taking frequency for the line sensor () from each spacing profile; to set the line sensor () to the associated zoom factor and/or to the taking frequency for the respective line of the objects () to be scanned; and to compose the image data thus taken linewise in an undistorted manner to form a uniformly resolved total image of the surface.

Taking undistorted images of moved objects with uniform resolution by line sensor

An apparatus, in particular a code reader, for the recording of images of objects () moved on a conveyor device (), wherein the apparatus includes a line sensor (), 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 (), which can determine the speed of movement of the objects () with respect to the line sensor () or their conveyed distance. At the same time an evaluation unit () is provided, which is adapted to match the recording frequency of the line sensor () to the speed of movement.

Apparatus and method for the recording of images of objects moved on a conveyor device

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.

Connection module for sensors

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

Device for optical scanning of objects, especially markings

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.

Detection system and a detection method

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.

Opto-electronic sensor

An apparatus and method for the recognition of codes has a light transmitter for the transmission of light signals in the direction of a scanning region, a light receiver for the reception of a light signal remitted from the scanning region, and a control and evaluation unit for the control of the light transmitter and the light receiver and for the determination of a code from the light signal received. The control and evaluation unit includes a trigger circuit triggering the determination of a code and a distance determination unit or image detection unit (which acts on the trigger circuit) for the detection of an object present in the scanning region which is integrated into the apparatus.

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Elzach-Prechtal, Germany

Roland Gehring