Camera and method for the detection of a moved flow of objects
AssigneeSick AG
InventorKlemens WEHRLE
Life of this patent
Estimating the term…
Abstract
A camera is provided for the detection of a flow of objects moved relative to the camera, comprising an image sensor for the taking of images of the objects and a receiving optics that is arranged in front of the image sensor and that has a depth of field range. In this respect, a mirror unit having at least two mirror elements is arranged in front of the receiving optics, the mirror elements having a different spacing amongst one another with respect to the receiving optics and/or having a different tilt angle and in this way imaging sections of the object flow a plurality of times with light paths of different length and in this way with different depth of field ranges at the image sensor.
Claims11
A camera for the detection of a flow of objects moved relative to the camera, comprising
- an image sensor for taking images of the objects,
- a receiving optics arranged in front of the image sensor, the receiving optics having a depth of field range, and
- a mirror unit having at least two mirror elements, with the mirror unit being arranged in front of the receiving optics, the mirror elements having a different spacing amongst one another with respect to the receiving optics and/or having a different tilt angle and in this way imaging sections of the object flow a plurality of times with light paths of different length and in this way with different depth of field ranges at the image sensor.
A method for the detection of a moved flow of objects, in which images of the objects are taken by a receiving optics having a depth of field range, the method comprising the step of
- taking the images of the objects via a mirror unit having at least two mirror elements that have a different spacing amongst one another with respect to the receiving optics and/or having a different tilt angle and in this way imaging sections of the object flow a plurality of times with light paths of different length and in this way with different depth of field ranges.
Dependencies are inferred from the claim text.