Abstract: Disclosed herein is a portable spectrometer device for acquiring at least one item of spectral information. The portable spectrometer device includes at least one spectrometer unit. The spectrometer unit includes at least one wavelength-selective element configured for separating incident light into a spectrum of constituent wave-lengths and at least one detector device configured for detecting at least a portion of the constituent wavelengths. The portable spectrometer device further includes at least one control unit and at least one status inquiry device configured for retrieving at least one item of status information on a current environmental status of the portable spectrometer device. The control unit is configured for automatically triggering at least one reference measurement with the detector device, depending on the fulfillment of at least one predetermined environmental status condition.

Abstract: Disclosed herein are a method for automated quality control of at least one photodetector, a photodetector for measuring optical radiation and a spectrometer for spectrally analyzing optical radiation provided by at least one object. Further disclosed herein are a computer program and a computer-readable storage medium for performing the method.

Abstract: Disclosed herein is a portable spectrometer for performing at least one optical measurement on at least one measurement object. The portable spectrometer includes: at least one optical element configured for separating incident optical radiation provided by the measurement object into a spectrum of constituent wavelength components; at least one photosensor including at least one photosensitive region configured for receiving the optical radiation from the optical element; at least one movement sensor configured for generating at least one movement sensor signal dependent on a movement of at least one of the portable spectrometer and the measurement object; and at least one evaluation device configured for determining at least one item of measurement quality information on the optical measurement by using the movement sensor signal. Also disclosed herein is a method for performing at least one optical measurement on at least one measurement object.

Abstract: Disclosed herein is a method for retrieving at least one alternating current (AC) signal SAC from at least one measurement signal Smeas of at least one detector. The measurement signal Smeas includes the AC signal SAC and at least one direct current (DC) signal SDC. The AC signal SAC has at least one predefined frequency f0. The method includes the following steps: a) monitoring the measurement signal Smeas over time by using the detector; b) determining the DC signal SDC by using at least one evaluation unit; and c) determining the AC signal SAC by subtracting the DC signal SDC from the measurement signal Smeas by using the evaluation unit. Also disclosed herein are a method for determining at least one item of information on at least one measurement object, a photodetector and a spectrometer.

Abstract: Disclosed herein is a method for determining at least one correction function for compensating for responsivity changes of at least one photodetector. The photodetector includes at least one photosensitive region and at least one readout electronics unit for reading out the photosensitive region. The method includes the following steps: a) determining at least one reference signal of the photodetector, wherein the photosensitive region is illuminated by optical radiation provided by at least one reference for determining the reference signal; b) determining at least one background signal level of the photodetector; and c) determining the correction function by using at least one evaluation unit. Also disclosed herein are a method for determining at least one item of information on at least one measurement object, a photodetector and a spectrometer.

Abstract: Disclosed herein is a computer-implemented method for measuring a target value with a NIR model including: (a) receiving NIR spectral data, (b) determining at least one target value with the trained NIR model based on the spectral data, where the NIR model was trained based on NIR training data including at least one model-based reference value determined with a reference model and historical NIR spectral data, and (c) providing the at least one target value.

Abstract: Disclosed herein is a method of calibrating a spectral sensing device. The spectral sensing device includes: a. at least one detector element; b. at least one wavelength-selective element; c. at least one light source: d. at least one sample interface; e. at least one first optical path; and f. at least one second optical path. The method includes: I. illuminating the detector element via the at least one first optical path; II. illuminating the detector element via the at least one second optical path with no sample applied to the sample interface; III. illuminating the detector element via the at least one second optical path with at least one calibration sample applied to the sample interface; and IV. determining at least one item of calibration information by using the first detector signal, the open port detector signal and the calibration detector signal.

Abstract: Disclosed herein is a method of obtaining at least one item of object information on at least one object by spectroscopic measurement. The method includes the following steps: i. acquiring spectroscopic data by using at least one spectrometer device; ii. acquiring, by using at least one imaging device image data of a scene within a field of view of the imaging device, the scene including at least a part of the object and at least a part of the spatial measurement range of the spectrometer device; and iii. evaluating the spectroscopic data of step i. and at least one item of image information derived from the image data of step ii., for obtaining the at least one item of object information on the at least one object.

Abstract: Disclosed herein is an in-use calibration method for a spectrometer device. The method includes: providing the at least one spectrometer device including at least one optical measurement element and at least one optical calibration element having different optical properties; providing at least one sample; performing at least two measurements using the spectrometer device; generating by the at least one detector at least one first detector signal S_d1 according to the measurement without the sample and at least one second detector signal S_d2 according to the measurement with the sample; and deriving at least one calibrated optical property of the at least one sample from the first detector signal S_d1 and the second detector signal S_d2. Further disclosed herein are a spectrometer device configured for performing an in-use calibration method and various uses thereof.

Abstract: Disclosed herein is a portable spectrometer device for acquiring at least one item of spectral information. The portable spectrometer device includes at least one spectrometer unit. The spectrometer unit includes at least one wavelength-selective element configured for separating incident light into a spectrum of constituent wave-lengths and at least one detector device configured for detecting at least a portion of the constituent wavelengths. The portable spectrometer device further includes at least one control unit and at least one status inquiry device configured for retrieving at least one item of status information on a current environmental status of the portable spectrometer device. The control unit is configured for automatically triggering at least one reference measurement with the detector device, depending on the fulfillment of at least one predetermined environmental status condition.

Abstract: Disclosed herein is a computer-implemented method of optically determining an estimated age of a skin of a living being. The method includes: i. using at least one sample reflection spectrum of at least one portion of the skin of the living being over a spectral measurement range, the spectral measurement range including at least one portion of the wavelength range of from 1 ?m to 2.5 ?m; and ii. determining the estimated age of the skin of the living being by applying, to the sample reflection spectrum, at least one trained trainable model. The trainable model is trained on a training dataset including a plurality of labeled reference reflection spectra. Each of the reference reflection spectra is acquired over a spectral range at least partially overlapping with the spectral measurement range of the sample reflection spectrum of step i.

Abstract: Disclosed herein is a method for classifying a sample into one of at least two types of polyamide. The method includes the following steps: a) providing at least one sample, where the sample includes at least one type of polyamide; b) acquiring at least one spectrum of the sample using at least one near-infrared spectrometer device; c) determining at least one peak from the at least one spectrum; and d) classifying the sample depending on the at least one peak determined from the at least one spectrum into one of the at least two types of polyamide.

Abstract: A blank for producing an external packaging includes: at least four areas, each of which has a rear wall, a bottom surface and at least one inner lateral surface. Each rear wall has four sides. Each rear wall is on one of its sides connected to the bottom surface assigned thereto along a folding line. Each rear wall is on one of its sides connected to a rear wall of an adjacent area along a folding line arranged on a centre axis. Each rear wall is on at least one of its sides connected to the inner lateral surface assigned thereto along a folding line. The at least one inner lateral surface of an area is connected to an inner lateral surface of an adjacent area along a folding line.

Abstract: A mold to produce fiber composite components is described where a fiber ply with matrix material (matrix material/resin) is saturated. The mold consists of a lower mold and an upper mold which is placed on top of the lower mold with intermediate fiber ply. The lower mold and upper mold have a contour matching each other and for the desired fiber composite component. The upper mold and the lower mold are made of a flexible material.

Abstract: A mold to produce fiber composite components is described where a fiber ply (15) with matrix material (matrix material/resin) is saturated. The mold consists of a lower mold (11) and an upper mold (1) which is placed on top of the lower mold (11) with intermediate fiber ply (15) Lower mold (11) and upper mold (1) do have a contour matching each other and for the desired fiber composite component. The upper mold (1) and the lower mold (11) are made of a flexible material.

Abstract: The invention relates to a method for repairing an aircraft component (10) of fiber reinforced plastic, with the steps of: cutting out a damage site (12) by creating a hole (14), which (i) has a first extent (A1) in a first direction and (ii) has a second extent (A2), which is greater than the first extent (A1), in a second direction, extending transversely in relation to the first direction, and (iii) has a scarfed rim (16), guiding through the hole (14) an inner patch (36), which is formed so as to cover the hole (14) completely from an inner side of the aircraft component (10), closing the hole (14) with a middle patch (26), which has a scarfed rim, the rim of the patch complementing the rim (16) of the hole, and adhesively bonding the patches (26, 36) to the aircraft component (10).

Abstract: Vehicle roof with at least one cover, which, by means of a lifting and closing mechanism, selectively closes a roof opening, or at least partly opens the same by lifting the rear edge of the cover, or by displacement along a guide rail, and a locking element (28) which locks the cover or a component connected thereto (cover support 6) relative to the guide rail (14) in the closed position, or in the lifted position. The locking element (28) is thus arranged on a locking lever (24), arranged on the cover or a component connected thereto so as to pivot essentially in a vertical plane. The locking element (28) is taken out of engagement with a locking recess (14f) on the guide rail (14), by means of a carrier device, at the end of a dropping movement of the cover, preceding the displacement of the cover into an open position.

Abstract: A guide arrangement for a roof element on an opening vehicle roof which includes a guide web connected to the roof element and a guide claw, having two opposing guide surfaces, which engages the guide web in such a manner that the guide surfaces lie on the guide web. The guide claw also includes an elastic element which provides adjustment for one of the two guide surfaces, such that the separation between the two opposing guide surfaces may be altered to provide tolerance adjustment.

Abstract: Vehicle roof with at least one cover, which, by means of a lifting and closing mechanism, selectively closes a roof opening, or at least partly opens the same by lifting the rear edge of the cover, or by displacement along a guide rail, and a locking element (28) which locks the cover or a component connected thereto (cover support 6) relative to the guide rail (14) in the closed position, or in the lifted position. The locking element (28) is thus arranged on a locking lever (24), arranged on the cover or a component connected thereto so as to pivot essentially in a vertical plane. The locking element (28) is taken out of engagement with a locking recess (14f) on the guide rail (14), by means of a carrier device, at the end of a dropping movement of the cover, preceding the displacement of the cover into an open position.

Abstract: The invention relates to a guide arrangement for a roof element on an opening vehicle roof, comprising a guide web (16), connected to the roof element and a guide claw (30), provided with two opposing guide surfaces (26, 28), which engages with the guide web in such a manner that the guide surfaces lie on the guide web. The guide claw (30) comprises an elastic element (46, 446, 546) which provides adjustment for one (28) of the two guide surfaces, such that the separation between the two guide surfaces (26, 28) may be altered to provide tolerance adjustment.