Abstract:
Apparatus and methods may provide for determining a value of chemical parameter. One or more light emitters may be positioned within a housing to emit light through an aperture of the housing. The emitted light may illuminate a color area of a structure that is separable from the housing, such as a test strip, a printed color reference, and so on. A color sensor may be positioned within the housing to capture reflected light and to convert the reflected light to an initial digitized color space that may be usable to determine a color shade of a color area. The reflected light may, for example, be captured independently at least of a dimension (e.g., predetermined size, shape, etc.) of the color area.
Abstract:
The invention relates to an inspection method (100) for the closure control of containers, in particular bottles, wherein the closed containers are transported (101) by means of a transport apparatus and closures applied to the containers are inspected (102 - 108) with regard to tightness and/or correct seating by an inspection device, characterized in that, by means of an optical 3-D measurement method, the inspection device at least partially senses (102) a container together with the closure of the container and generates (103) 3-D data thereof, in particular 3-D points, 3-D line elements, and/or 3-D surface elements, and that the 3-D data are processed (104 - 107) by means of an evaluation apparatus and the tightness and/or the correct seating of the closure is thereby inferred (108).
Abstract:
A method is provided for the automated detection of assay-positive assay areas in a microfluidic device comprising one or more circuit elements, the method comprising collecting a set of digital images of an automatically-identified assay area (570, 572), wherein the automatically-identified assay area is identified based, at least in part, on the dimensions of the one or more circuit elements (522), calculating a rate of change over the course of all or part of the assay based on the set of digital images of the automatically-identified assay area, comparing the rate of change to a threshold value, and determining that the automatically-identified assay region is assay-positive if the rate of change is greater than the threshold value.
Abstract:
Methods are provided for the automated detection of micro-objects in a microfluidic device. In addition, methods are provided for repositioning micro-objects in a microfluidic device. In addition, methods are provided for separating micro-objects in a spatial region of the microfluidic device.
Abstract:
An inspection method and apparatus for detecting and or measuring wear or damage in a photoconductor of an image forming apparatus capturing an image of a mask having contrasting light and dark parts reflected in the photoconductor. Intensities of areas of the image corresponding to the light and dark parts of the mask are compared to derive a measurement of the specular reflectance of the photoconductor which correlates to the amount of wear.
Abstract:
L'invention concerne une installation d'inspection optique de circuits intégrés ou analogues, comportant : un convoyeur plan selon une première direction (X) des objets à analyser et un système de prise de vues placé à l'aplomb d'une zone du convoyeur et dans une position fixe par rapport à celui-ci, le système de prise de vues comportant au moins un premier ensemble de caméras numériques (22) comportant chacune un réseau matriciel orthogonal de pixels, lesdites caméras étant alignées dans une deuxième direction (Y) différente de la première, les caméras étant toutes orientées de sorte qu'une des directions orthogonales de leur réseau de pixels fasse un premier angle (α) avec la première direction
Abstract:
The invention relates to an optical instrument which is particularly suited for DNA PCR monitoring. The instrument comprises a plurality of spaced-apart reaction ingredient containers (1b), a light source (11) adapted to direct an excitation beam (22) toward the plurality of containers (1b), a field lens (3) disposed along an excitation beam path between the light source (11) and the plurality of containers (1b) and a detector (10) disposed along an excitation beam path and arranged to receive emission beams (26) emitted from the field lens (3) which is also disposed along an emission beam path between the plurality of containers (1b) and the detector (10).
Abstract:
The invention relates to a measuring array having a radiation source (10), a deflecting device (5) arranged downstream thereof, which can be hit by a ray (2) coming out of the radiation source (1) and which deflects said ray successively in time in different directions. Said array also comprises a first and a second optical device (9, 10) and a detector (6), wherein the first optical device (9) deflects the rays coming from the deflecting device (5) in the form of measuring rays to a point (P) of a sample (11) that is to be arranged in a measuring position in such a way that the angle of incidence of the measuring ray on the sample (11) varies depending on the direction. The sample rays coming out of the sample (11) due to the interaction between the measuring rays and the sample are deflected by the second optical device (10) onto the detector (11). At least one of the two optical devices (9, 10) has a diffracting element (7) for deflection, said element diffracting the incident rays coming from different directions in such a way that the rays diffracted in a given diffraction order are focused on a point (P, D).