Methods and systems for measuring a component of a drug delivery or storage device are described. The method comprises providing a light source in an opposing relationship with an optical imaging sensor; positioning a sample component on a positioning stage located between the at least one light source and at least one opposing optical imaging sensor; and illuminating, with the at least one light source, the sample component. The controller is operable to capture an image of the component, determine the location of a first outer edge point PI of the captured image; rotate the sample component relative to the optical image sensor, and collect n images separated from each other by x degrees of rotation, wherein n*x is ≥360 degrees. The controller may compare a measured position of the at least one outer edge point PI between the captured images to determine a degree or circular runout.

A backlight optical alignment system comprises an illumination system having an illumination pupil and an illuminator configured to generate an output, wherein the illumination system includes a rotationally symmetric illumination distribution having an illumination axis, an imaging system having an imaging sensor comprising at least one detector element, an imaging pupil, and an acceptance cone in object space of the imaging system having an optical axis, wherein at least a portion of the imaging pupil is filled by the illumination system output when a portion of the illumination distribution overlaps with the acceptance cone, and a first substrate disposed in object space between the illumination system and the imaging system, wherein the solid substrate is adjustable to generate a change in signal intensity from the imaging sensor when the illumination axis of the illumination distribution is misaligned with the optical axis of the acceptance cone.

A detection apparatus according to an embodiment of the present technology includes: an imaging unit; an illumination unit; a polarization control unit; and a generation unit. The imaging unit generates image data on the basis of incident light. The illumination unit illuminates a subject with linearly polarized light. The polarization control unit controls a polarization state of light to be detected, the light to be detected travelling toward the imaging unit. The generation unit generates information regarding a degree of linear polarization of the light to be detected, on the basis of image data regarding the light to be detected, the polarization state of the light to be detected having been controlled, the image data regarding the light to be detected being generated by the imaging unit.

The present invention relates to an inspection device and particularly to a device using an array of light sources and photo-detection devices to evaluate threaded workpieces for conformance to spatial form criteria. The invention provides for improved identification of flaws in threaded components to identify the conformance of parts.

A method and system for optically inspecting parts are provided wherein the system includes a part transfer subsystem including a transfer mechanism adapted to receive and support a part at a loading station and to transfer the supported part by a split belt conveyor so that the part travels along a first path which extends from the loading station to an inspection station at which the part has a predetermined position and orientation for inspection. An illumination assembly simultaneously illuminates a plurality of exterior side surfaces of the part with a plurality of separate beams of radiation. A telecentric lens and detector assembly forms an optical image of at least a portion of each of the illuminated side surfaces of the part and detects the optical images. A processor processes the detected optical images to obtain a plurality of views of the part which are angularly spaced about the part.

In an alternative embodiment the method and system for optically inspecting headed manufactured parts employ an inclined split track to cause the part to traverse an inspection station by gravity feed. The part is inspected for conformity to dimensional and visual standards and sorted under control of a processor based on images of the part obtained from occluded light and reflected light while the part is within the inspection station.

An optical measurement apparatus performs an optical axis adjustment with respect to a reference surface and obtains high measurement accuracy. In an outer surface of a box-shaped light receiving housing, reference surfaces which become a reference at the time of placing the light receiving housing. In the light receiving housing, the light receiving side telecentric lens is mounted. An imaging element holder holding a two-dimensional imaging element is provided on an inner surface opposite to an introducing opening of the light receiving housing, and the two-dimensional imaging element is mounted in a manner of being capable of adjusting its position and posture.

The invention relates to an arrangement for contactless determination of at least one dimension of a moving material web, in particular a material web of opaque material, with a background illumination, with optical detection means for detecting at least one current contrast image and with evaluation means, wherein the background illumination is arranged opposite the optical detection means, wherein the material web moves in a plane between the at least one optical detection means and the background illumination, and wherein the current contrast image has at least one piece of information about at least one light intensity laterally adjacent to the material web. Furthermore, the present invention concerns a corresponding process. For simplifying and improving the non-contact determination of the dimension, the present invention proposes to provide a shadowing element and to compare the current contrast image with a reference contrast image, wherein the current contrast image represents a shadowing of the background illumination by the material web and by the shadowing element.

The invention relates to apparatus for monitoring an extruded product moving in an inline extrusion process so as to effect quality control of the process by continuously measuring dimensional parameters and determining the existence of contaminants in the extrusion. The apparatus makes use of Terahertz radiation which is adapted to provide a curtain of parallel rays of the radiation which is scanned across the product as the product passes therethrough in a linear manner. The composition of the emitted radiation received after the scanning process is subject to an imaging analysis to determine the dimensional parameters of the moving products. The imaging analysis involves applying correction values to the measured transit times of the rays crossing the products which depends on its position within the curtain of rays thereby to remove inaccuracies in the final measurement results.

A hybrid system which detects and tracks objects in three-dimensional space using a light source disposed in spaced relation to a projection surface, defining a volume of space illuminated by said light source. A light sensor responsive to illumination falling on the projection surface measures illumination levels over a predefined image plane associated with the light sensor, producing a projected image signal. A structured light source projects a structured light within the volume of space and a structured light sensor records reflected structured light from objects occupying the volume of space producing a structured light signal. A correlation processor receptive of the projected image signal and said structured light signal and adapted to compute a hybrid signal indicative of the position of an object within said space and from which other information about the object may be extracted.

The invention relates to a method for analysing defects in transformer laminations using an inspection system, and to an inspection system (24), wherein the inspection system comprises a detection unit (26), a conveyance device (27) and a processing device, wherein the detection unit includes an optical detecting device (31), wherein the conveyance device is used to continuously transport a plurality of transformer laminations (25) relative to the detecting device, wherein the detecting device is arranged transversely, preferably orthogonally, to a direction of movement of a transformer lamination, wherein a velocity of movement of a transformer lamination relative to the detecting device is measured via a measurement device (40) of the detection unit, wherein an image of a contour of a transformer lamination is captured with the detecting device, wherein images of a transformer lamination are assembled into a combined image of the transformer lamination via the processing device while considering the velocity of movement of the transformer lamination, wherein a shape of the transformer lamination is determined on the basis of the combined image via the processing device.