Abstract: Disclosed herein is a method for alignment of optical components of a projector for illuminating at least one object with at least one illumination pattern including a plurality of illumination features. The projector includes at least one array of emitters. Each of the emitters is configured for generating at least one light beam. The projector includes at least one transfer device configured for generating the illumination features from the light beams impinging on the transfer device.

Abstract: Disclosed herein is a system for identifying a display device, where the system includes i) an image providing unit for providing an image of an object that has been acquired by projecting an illumination pattern through a display of the display device onto the object and imaging the illuminated object through the display. The system further includes ii) a reflection pattern extracting unit for extracting a reflection pattern corresponding to the illumination pattern from the image, and iii) an identity determining unit for determining an identity of the display device based on the reflection pattern.

Abstract: Disclosed herein is a method for calibrating at least one camera and at least one projector of a detector. The projector is configured for illuminating at least one object with at least one illumination pattern including a plurality of illumination features, where the camera has at least one sensor element having a matrix of optical sensors, the optical sensors each having a light-sensitive area, where each optical sensor is designed to generate at least one sensor signal in response to an illumination of its respective light-sensitive area by a light beam propagating from the object to the camera.

Abstract: Disclosed herein is a projector for illuminating at least one object with at least one illumination pattern. The illumination pattern includes a plurality of illumination features, where the illumination pattern further includes at least one marker.

Abstract: Disclosed herein is a device including at least one photoconductor configured for exhibiting an electrical resistance Rphoto dependent on an illumination of a light-sensitive region of the photoconductor; and at least one photoconductor readout circuit, where the photoconductor readout circuit is configured for determining the electrical resistance Rphoto of the photoconductor, where the photoconductor readout circuit includes at least one bias voltage source configured for applying at least one modulated bias voltage to the photoconductor.

Abstract: Disclosed herein is a detector for determining a position of at least one object. The detector includes at least one projector for illuminating at least one object with at least one illumination pattern including a plurality of illumination features; at least one control unit configured for controlling light emission of the array areas; at least one camera having at least one sensor element having a matrix of optical sensors, the optical sensors each having a light-sensitive area; and at least one evaluation device configured for determining at least one longitudinal coordinate for reflection features by analysis of their respective beam profiles.

Abstract: Described herein is an illumination source adapted to generate a regular pattern integrated into a portable device, the illumination source including an array of light emitting diodes or laser light sources and a diffractive optical element. Also described herein is a detector including the illumination source, an array of optical sensors, where each optical sensor is configured to generate a sensor signal in response to an illumination of its respective light-sensitive area, and an evaluation device adapted to evaluate the sensor signal.

Abstract: Described herein is a mobile device with an optical detector including: at least one illumination source adapted to generate at least one illumination pattern for illuminating an object, where the illumination pattern includes a regular and/or constant and/or periodic pattern; at least one sensor element having a matrix of optical sensors, the optical sensors each having a light-sensitive area, where each optical sensor is configured to generate at least one sensor signal in response to an illumination of the light-sensitive area by at least one light beam propagating from the object to the detector; and at least one evaluation device adapted to determine at least one region of interest.

Abstract: Described herein is a method for beam profile analysis using at least one camera. The method includes: a) at least one data acquisition step; b) at least one image compression step; and c) at least one evaluation step.

Abstract: Described herein is a detector for determining a position of at least one object. The detector includes: at least two optical sensors, each optical sensor having a light-sensitive area, where each light-sensitive area has a geometrical center, where the geometrical centers of the optical sensors are spaced apart from an optical axis of the detector by different spatial offsets, where each optical sensor is configured to generate a sensor signal in response to an illumination of its respective light-sensitive area by a light beam propagating from the object to the detector; and at least one evaluation device being configured for determining at least one longitudinal coordinate z of the object by combining the at least two sensor signals.

Abstract: A detector for object authentication includes first and second illumination sources. The first illumination source projects an illumination pattern including a plurality of illumination features onto a surface of an object. The second illumination source projects an illuminating light beam onto the object. The detector also includes an image capture device for determining a first image including a plurality of reflection features generated by the surface of the object in response to the illumination pattern and for determining a second image including two dimensional information associated with the surface of the object generated in response to the illuminating light beam. The detector also includes an evaluation device for evaluating the first image and the second image, identifying a geometrical feature of the object, determining a material property of the object, and comparing the two dimensional information to data stored in a database for authentication of the object.

Abstract: A device includes at least one photoconductor configured for exhibiting an electrical resistance Rphoto dependent on an illumination of a light-sensitive region of the at least one photoconductor and at least one photoconductor readout circuit. The photoconductor readout circuit is configured for determining a differential voltage related to changes of the electrical resistance Rphoto of the photoconductor. The photoconductor readout circuit includes at least one bias voltage source configured for applying at least one periodically modulated bias voltage to the photoconductor such that the electric output changes its polarity at least once. The device further includes at least one electrical circuit configured to balance the differential voltage at a given illumination level.

Abstract: A detector (110, 1110, 2110) for determining a position of at least one object (112) is proposed. The detector (110, 1110, 2110) comprises: at least one transfer device (128, 1128), wherein the transfer device (128, 1128) has at least one focal length in response to at least one incident light beam (116, 1116) propagating from the object (112, 1112) to the detector (110, 1110, 2110); at least two optical sensors (113, 1118, 1120), wherein each optical sensor (113, 1118, 1120) has at least one light sensitive area (121, 1122, 1124), wherein each optical sensor (113, 1118, 1120) is designed to generate at least one sensor signal in response to an illumination of its respective light-sensitive area by the light beam (116, 1116), at least one evaluation device (132, 1132) being configured for determining at least one longitudinal coordinate z of the object (112, 1112) by evaluating a quotient signal Q from the sensor signals.

Abstract: A detector for object authentication includes first and second illumination sources. The first illumination source projects an illumination pattern including a plurality of illumination features onto a surface of an object. The second illumination source projects an illuminating light beam onto the object. The detector also includes an image capture device for determining a first image including a plurality of reflection features generated by the surface of the object in response to the illumination pattern and for determining a second image including two dimensional information associated with the surface of the object generated in response to the illuminating light beam. The detector also includes an evaluation device for evaluating the first image and the second image, identifying a geometrical feature of the object, determining a material property of the object, and comparing the two dimensional information to data stored in a database for authentication of the object.

Abstract: A detector (110) for determining a position of at least one object (112) is proposed. The detector (110) comprises: —at least two optical sensors (118, 120, 176), each optical sensor (118, 120, 176) having a light-sensitive area (122, 124), wherein each light-sensitive area (122, 124) has a geometrical center (182, 184), wherein the geometrical centers (182, 184) of the optical sensors (118, 120, 176) are spaced apart from an optical axis (126) of the detector (110) by different spatial offsets, wherein each optical sensor (118, 120, 176) is configured to generate a sensor signal in response to an illumination of its respective light-sensitive area (122, 124) by a light beam (116) propagating from the object (112) to the detector (110); and—at least one evaluation device (132) being configured for determining at least one longitudinal coordinate z of the object (112) by combining the at least two sensor signals.

Abstract: Disclosed herein is a device including at least one photoconductor configured for exhibiting an electrical resistance Rphoto dependent on an illumination of a light-sensitive region of the photoconductor; at least one photoconductor readout circuit, where the photoconductor readout circuit is configured for determining a differential voltage related to changes of the electrical resistance Rphoto of the photoconductor, where the photoconductor readout circuit includes at least one bias voltage source configured for applying at least one periodically modulated bias voltage to the photoconductor such that the electric output changes its polarity at least once; and at least one electrical circuit configured to balance the differential voltage at a given illumination level.

Abstract: A detector (110, 1110, 2110) for determining a position of at least one object (112) is proposed. The detector (110, 1110, 2110) comprises: at least one transfer device (128, 1128), wherein the transfer device (128, 1128) has at least one focal length in response to at least one incident light beam (116, 1116) propagating from the object (112, 1112) to the detector (110, 1110, 2110); at least two optical sensors (113, 1118, 1120), wherein each optical sensor (113, 1118, 1120) has at least one light sensitive area (121, 1122, 1124), wherein each optical sensor (113, 1118, 1120) is designed to generate at least one sensor signal in response to an illumination of its respective light-sensitive area by the light beam (116, 1116), at least one evaluation device (132, 1132) being configured for determining at least one longitudinal coordinate z of the object (112, 1112) by evaluating a quotient signal Q from the sensor signals.

Abstract: Disclosed herein is a device including at least one photoconductor configured for exhibiting an electrical resistance Rphoto dependent on an illumination of a light-sensitive region of the photoconductor; and at least one photoconductor readout circuit, where the photoconductor readout circuit is configured for determining the electrical resistance Rphoto of the photoconductor, where the photoconductor readout circuit includes at least one bias voltage source configured for applying at least one modulated bias voltage to the photoconductor.

Abstract: A detector (110, 1110, 2110) for determining a position of at least one object (112) is proposed. The detector (110, 1110, 2110) comprises: at least one transfer device (128, 1128), wherein the transfer device (128, 1128) has at least one focal length in response to at least one incident light beam (116, 1116) propagating from the object (112, 1112) to the detector (110, 1110, 2110); at least two optical sensors (113, 1118, 1120), wherein each optical sensor (113, 1118, 1120) has at least one light sensitive area (121, 1122, 1124), wherein each optical sensor (113, 1118, 1120) is designed to generate at least one sensor signal in response to an illumination of its respective light-sensitive area by the light beam (116, 1116), at least one evaluation device (132, 1132) being configured for determining at least one longitudinal coordinate z of the object (112, 1112) by evaluating a quotient signal Q from the sensor signals.

Abstract: A detector (110, 1110, 2110) for determining a position of at least one object (112) is proposed. The detector (110, 1110, 2110) comprises: at least one transfer device (128, 1128), wherein the transfer device (128, 1128) has at least one focal length in response to at least one incident light beam (116, 1116) propagating from the object (112, 1112) to the detector (110, 1110, 2110); at least two optical sensors (113, 1118, 1120), wherein each optical sensor (113, 1118, 1120) has at least one light sensitive area (121, 1122, 1124), wherein each optical sensor (113, 1118, 1120) is designed to generate at least one sensor signal in response to an illumination of its respective light-sensitive area by the light beam (116, 1116), at least one evaluation device (132, 1132) being configured for determining at least one longitudinal coordinate z of the object (112, 1112) by evaluating a quotient signal Q from the sensor signals.