Patent ID: 11906421
Assignee: TRINAMIX GMBH
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A detector for determining at least one material property of at least one object, wherein the detector comprises
at least one projector configured for illuminating the object with at least one illumination pattern comprising a plurality of illumination features;
at least one first camera having at least one first sensor element, wherein the first sensor element has a matrix of first optical sensors, the first optical sensors each having a light-sensitive area, wherein each first optical sensor is designed to generate at least one sensor signal in response to an illumination of its respective light-sensitive area by a reflection light beam propagating from the object to the first camera, wherein the first camera is configured for imaging at least one first reflection image comprising a plurality of first reflection features generated by the object in response to illumination by the illumination features, wherein the first camera is arranged such that the first reflection image is imaged under a first direction of view to the object;
at least one second camera having at least one second sensor element, wherein the second sensor element has a matrix of second optical sensors, the second optical sensors each having a light-sensitive area, wherein each second optical sensor is designed to generate at least one sensor signal in response to an illumination of its respective light-sensitive area by a reflection light beam propagating from the object to the second camera, wherein the second camera is configured for imaging at least one second reflection image comprising a plurality of second reflection features generated by the object in response to illumination by the illumination feature, wherein the second camera is arranged such that the second reflection image is imaged under a second direction of view to the object, wherein the first direction of view and the second direction of view differ; and
at least one evaluation device configured for evaluating the first reflection image and the second reflection image, wherein the evaluation comprises matching the first reflection features and the second reflection features and determining a combined material property of matched pairs of first and second reflection features by analysis of their beam profiles;
wherein the evaluation device is configured for determining a longitudinal coordinate for each of the first reflection features by analysis of their respective beam profile; and
wherein the analysis of the beam profile comprises determining at least one first area and at least one second area of the beam profile, wherein the evaluation device is configured for deriving a combined signal Q by one or more of dividing the first area and the second area, dividing multiples of the first area and the second area, dividing linear combinations of the first area and the second area, wherein the evaluation device is configured for using at least one predetermined relationship between the combined signal Q and a longitudinal coordinate for determining the longitudinal coordinate.