Sick Ag

Albert-ludwigs-universitat Freiburg

Florian Schneider

Maxim Zaitsev

Romain Müller

Thomas Pfrengle

Dirk Strohmeier

Tobias Pontiggia

Jonathan Pfeil

Denise Bertz

Mattias Johannesson

Richard Nopper

Stephan Schmitz

Sascha Steinkogler

Stefan Seitz

Michael Herbst

Helmut Weber

Julian Maclaren

Ulrike Wallrabe

Bernd Deblitz

Georg Schäfer

Martin Högy

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.

Focus module

The present invention relates to a light line triangulation apparatus with

Light line triangulation apparatus

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.

Camera for detecting an object stream and method of determining the height of objects

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.

Code reader and method for reading optical codes

A polygon scanner () for detecting objects () in a monitored zone () is provided having a light transmitter (); having a light receiver (); having an evaluation unit (); and having a rotatable mirror unit () for a periodic deflection of the light beam () that has a plurality of mirror facets () in order thus to scan an angular section multiple times per rotation of the mirror unit () by a respective mirror facet (), wherein at least some of the mirror facets () have a different curvature from one another. In this respect, at least one of the mirror facets () is configured as a free-form surface whose curvature is adapted to the angle of incidence of the transmitted light beam () on the mirror facet () that varies during the rotation of the mirror unit ().

Polygon scanner and method of detecting objects in a monitored zone

An optoelectronic sensor is provided comprising an optics with focus adjustment, wherein the sensor has a movable carrier element having the optics and a fixed position holding element, and wherein the position of the movable carrier element is variable with respect to the holding element for an adjustment of a focal position. In this respect, at least one rolled leaf spring is arranged between the carrier element and the holding element.

Optoelectronic sensor and method of focus adjustment

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.

Focusing device

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.

Reading optical codes

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.

Optoelectronic sensor and method of a repeated optical detection of objects at different object distances

A method of mounting an electrical component on a base part having an inclined support surface is provided, in which method a first wedge surface of a wedge element is arranged on the support surface and a lateral force is exerted on the wedge element so that the first wedge surface moves on the support surface until a second wedge surface of the wedge element remote from the support surface reaches a desired position, and wherein the electrical component is arranged on the second wedge surface. In this respect, a first fastening element of the wedge element is fixed to the base part and the lateral force is afterward no longer exerted.

Method of mounting an electrical component on a base part

A camera is provided that comprises an image sensor for detecting image data from a detection zone, an illumination unit having at least one light source for illuminating the detection zone, and a front screen. In this respect, a lateral deflection element is provided that is associated with the light source, that is arranged in the camera protected by the front screen, and that has a diffusely scattering surface or a reflective surface to generate a diffuse illumination or a dark field illumination in the detection zone.

Camera and method of detecting image data

A camera is provided that comprises an image sensor for detecting image data from a detection region and a reception optics arranged in front of the image sensor, a focus adjustment unit having a thread for changing the position of focus of the reception optics by way of a rotary movement and a front screen. In this connection the reception optics has a front region having an inner contour that is accessible via the front screen in order to rotate the reception optics from the outside in the thread and to thus adjust the focus.

Camera and method for focus adjustment

The invention relates to a camera system for inspecting and/or measuring objects in an environment, comprising a color image sensor, an objective arrangement in front of the color image sensor for imaging an object from the environment on the color image sensor and at least one taking illumination light source with which the environment can be illuminated by non-monochromatic light, in particular without passing through the objective arrangement. In accordance with the invention, an internal reference illumination light source is provided which is arranged such that the color image sensor can be illuminated by it without the light irradiated by it for this purpose passing through the objective arrangement. The invention furthermore relates to a method for inspecting and/or measuring objects using such a camera system.

Camera system and method for inspecting and/or measuring objects

An optoelectronic apparatus () for the detection of object information from a monitored zone (), comprising a light receiver (), a receiving optics () associated with the light receiver (), the receiving optics having an adaptive lens () with variable tilt, and an evaluation unit () for the generation of object information from a received signal of the light receiver () is provided. In this respect the evaluation unit () is configured to bring the adaptive lens () into a plurality of different tilt positions and to thereby obtain additional object information from an enlarged monitored zone ().

Optoelectronic apparatus and method for the detection of object information

An optoelectronic apparatus () having a light transmitter () and/or a light receiver () and an optics () arranged in front of the light transmitter () and/or the light receiver () is provided that has an adaptive lens () with variable tilt. In this respect an alignment unit () is provided which is configured to tilt the adaptive lens () in such a way that manufacturing tolerances and/or assembly tolerances are compensated.

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Waldkirch, Germany

Florian Schneider