The present invention relates to a method for analyzing and selecting a specific droplet among a plurality of droplets (4), comprising the following steps: providing a plurality of droplets (4), for a droplet (4) among the plurality of droplets, measuring at least two optical signals, each optical signal being representative of a light intensity spatial distribution in the droplet for an associated wavelength channel, calculating a plurality of parameters from the optical signals, determining a sorting class for a droplet according to calculated parameters, sorting said droplet according to its sorting class, wherein the plurality of parameters comprises the coordinates of a maximum for each optical signal and a co-localization parameter and the at least two calculated parameters used for the determining step comprises the co-localization parameter.

In a dynamic scale and control method for flat goods transported on their sides, use an input-side first assembly for thickness measurement, a transport device having transport belts arranged on a weighing plate. A control processor starts a length measurement and the driving of the transport belts, and starts a thickness measurement and implement a dynamic weighing process during the transport of a first flat good. A next flat good is supplied to the input of the dynamic scale if a valid weight measurement result is present for the predecessor good, and ejection of the predecessor good or end of the weight measurement occur if a third sensor at the input of a takeoff device of the dynamic scale detects the leading edge of the predecessor good, and a check yields that no valid weight measurement result is present for the predecessor good.

A method for characterising high aspect ratio (HAR) structures etched in a substrate includes, for at least one structure, an interferometric measurement step, carried out with a low-coherence interferometer positioned on a top surface of the substrate, for measuring with a measurement beam, at least one depth data relating to a depth of the HAR structure, and a first adjusting step for adjusting a diameter, at the top surface, of the measurement beam according to at least one top critical dimension (top-CD) data relating to a width of the HAR structure.

A measurement device that is used for clinical practice or its training in cardiopulmonary resuscitation includes a storage unit for storing therein the size of an AR marker attached at a prescribed position of a user, an imaging unit provided with a visible light camera for capturing an image of the AR marker moving during measurement, a control unit for detecting the position of the AR marker in the captured image and calculating the amount of displacement of the AR marker using the size of the AR marker stored in the storage unit, and an output unit for outputting the calculation result obtained by the control unit.

A method and apparatus for measuring the width of a strip or the widths of multiple strips being conveyed longitudinally through a sensing region of a gauge. The apparatus includes a correction bar that has very highly accurately machined edges and includes a laser point displacement sensor that traverses across the sensing region of the gauge of the invention. The method of the invention uses the correction bar by sensing its edge distance positions and using the data for the sensed edge distance positions and data for its highly accurately known edge distance positions to generate corrections for all distance positions continuously across the entire sensing region. Corrections are then made to sensed edge distance positions of a strip or strips being sensed by the gauge, regardless of the positions of the strip edges.

An object surface managing method comprising: (a) emitting detecting light to the groove via alight source; (b) receiving first reflected detecting light from the surface and second reflected detecting light from a bottom of the groove via a light sensor; and (c) calculating a groove depth of the groove according to the first reflected detecting light and the second reflected detecting light.

There is provided an optical positioning system including a detected surface, an optical sensor, a register and a processor. The detected surface has interleaved bright regions and dark regions arranged in a transverse direction. The optical sensor captures an image frame of the detected surface within a field of view thereof and using a shutter time, wherein the detected surface and the optical sensor have a relative movement in the transverse direction. The register records a type of a last passed edge. The processor calculates a first position using a first algorithm upon the recorded last passed edge being a bright-to-dark edge and the field of view being aligned with one of the dark regions, and calculates a second position using a second algorithm, different from the first algorithm, upon the recorded last passed edge being a dark-to-bright edge and the field of view being aligned with the same one of the dark regions.

The present disclosure relates to a system and method for automatically determining a three dimensional size of an item. The system may include an optical sensor scanning a surface of the item being transported on a conveyor spaced apart from the optical sensor by a conveyor distance, the surface including a standard size element having a first dimension. The system may also include a memory storing the first dimension and the conveyor distance. The system may also include a processor configured to calculate a second dimension of the surface based on a scanned image of the surface and a scanned image of the standard size element and the stored first dimension. The processor may obtain an item distance between the optical sensor and the surface and determine a height of the item based on the obtained item distance and the stored conveyor distance.

A width detecting system includes a sensor-LED array positioned across a path of a media and/or ribbon within a printing apparatus. The LEDs are adapted to produce light directed toward the media and/or ribbon path. The optical sensors are configured to detect the LED light, produce analog signals proportionate to the received amount of light, and transmit the signals to a signal receiving assembly for processing. Additionally or alternatively, a width detecting system can have an array of LEDs facing an array of sensors in such a way that the media and/or ribbon path is located between the arrays. A method for width detection includes analyzing sensor data to determine one or more transition point between media and no-media sections, and calculating media width. The method can include using sensor data collected for a reflective and/or transmissive sensor arrays, and can be used for media and/or ribbon width detection.

To properly detect an end of a colored medium. A cutting device 1 includes a light emission unit, a light receiving sensor configured to receive light emitted from the light emission unit at a position facing the light emission unit, a platen configured to support a colored medium S between the light emission unit and the light receiving sensor, and a paper end detection mechanism configured to detect an end of the colored medium S on the platen. The light receiving sensor is freely movable. The degree of light reception by the light receiving sensor is switched for the light from the light emission unit by movement of the light receiving sensor, and in this manner, the paper end detection mechanism detects the end of the colored medium S in a movement direction of the light receiving sensor.