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7403647 |
Method for identifying an image of a well in an image of a well-bearing component
A method for identifying images of wells in an image of a well-bearing object such as multiwell plates or picowell carriers is provided. An observation component, such as a camera, is used to...
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7120281 |
Method; microscope system and software program for the observation of dynamic processes
A microscope system ( 4 ) for the observation of dynamic processes comprises a microscope ( 50 ) having at least one detector ( 19 ), and a computer ( 34 ). A buffer memory ( 54 ) precedes a...
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7031508 |
Reflectometry system with compensation for specimen holder topography and with lock-rejection of system noise
A self-contained system uses light reflectivity to examine intensity of a dyed spot on a device membrane surrounded by background area to discern information about the specimen that produced the...
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6836559 |
Automated video-microscopic imaging and data acquisition system for colloid deposition measurements
A video microscopic visualization system and image processing and data extraction and processing method for in situ detailed quantification of the deposition of sub-micrometer particles onto an...
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6590646 |
Method and apparatus for verifying uniform flow of a fluid sample through a flow cell and distribution on a slide
Particles in a fluid are counted as the fluid flows through an examination area of a particle analyzer. Parameters based upon the particle count are calculated. It is determined whether the at...
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6563901 |
Multi-head counting system with size discrimination
A counter unit counts discrete articles that are within a predetermined size range into lots having a predetermined number of articles. The counter unit includes (1) a first conveyor that delivers...
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6453060 |
Method and apparatus for deriving separate images from multiple chromogens in a branched image analysis system
A system for collecting images at multiple wavelengths for image analysis of biological specimens. The process separates contrasts for images of a biological specimen prepared with a chromogen....
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6418180 |
Method and apparatus for counting objects having substantially uniform size
A method for counting substantially uniformly sized objects includes the steps of obtaining an image of substantially uniformly sized objects; analyzing the image to determine total object area in...
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6385272 |
Method of counting microorganisms and device for accomplishing the counting
A filter on which living bacteria are captured is processed with an extraction reagent and a luminescence reagent. The state of luminescence of the filter is photographed by a television camera 1...
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6370216 |
Thickness sensor suitable for detecting a presence of a plurality of items, such as currency
A method and system for detecting a presence of more than one item at a point along a conveyance path, comprising steps of (A) generating a light beam and directing the beam through the path such...
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6333958 |
Advanced electronics for faster time-correlation analysis of pulse sequences
This invention relates to a method and apparatus for improving the precision of at least one of neutron coincidence counting and neutron multiplicity counting. The method includes the steps of: (1)...
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6285730 |
Dust/particle monitor
The invention relates to dust/particle monitors, and particularly but not necessarily exclusively to a method of monitoring fine particles harmful to humans in working environments. Equipment and...
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6209589 |
Apparatus and method for distributing beads
Substrate beads for combinatorial synthesis are selected individually from a mixture by suspending the mixture in an electrically conductive liquid, in a bead selection vessel, causing the liquid...
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6167107 |
Air pump for particle sensing using regenerative fan, and associated methods
The invention includes a particle sensor with a particle counter. A regenerative blower pulls ambient air into a flow within the particle counter, and a laser illuminates the flow to generate laser...
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6167106 |
Apparatus and method for counting a series of progressively moving articles
A system for counting a series of progressively moving articles using one or more sidewardly positioned and angularly oriented ultrasonic transducers which bathe the articles with ultrasonic waves...
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6157692 |
Method and an apparatus for determining the number of particles or cells in a liquid sample
A method and apparatus for determining the number of particles or cells in a liquid sample. The method comprises a) determining the number of particles or cells in a first volume of the liquid...
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6097780 |
Track counter
The track counter circuit of the present invention is for counting tracks. The circuit indicates a circuit for generating a first signal indicating a first track has been crossed and a second...
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6010593 |
Process for regulating a paper pulp deinking line and device for continuously measuring the quantity of particles contained in a liquid
A process and device for continuously measuring the quantity of particles spended in a liquid, which exist in at least two different physical states, such as detached or attached within the paper...
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5940466 |
Apparatus for counting parts in a tray
One embodiment of the invention is an apparatus for counting parts. The apparatus includes a tray having at least one location for containing a part; a plate having at least one hole positioned...
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5940465 |
Method for counting parts in a tray
One embodiment of the invention is an automated method for counting parts. The method includes positioning a tray having an array of part locations; aligning a complementary array of holes in a...
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5937022 |
Parts counting apparatus
The present invention comprises an apparatus for counting a plurality of objects, wherein the objects are aligned such that the objects form a linear array oriented in an X-Y plane, comprising a...
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5933470 |
Method for counting parts
The present invention comprises a method for counting a plurality of objects, wherein the objects have a discriminating aspect and are aligned such that the objects form a linear array, comprising...
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5926518 |
Device for measuring the number of pass persons and a management system employing same
A device for measuring the number of persons without any affection by overlap of persons in any direction, sunlight variations, shadows, or the like includes a plurality of cameras arranged in...
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5828716 |
Procedure for identifying the number of particles that are weakly luminescent
The present invention relates to a procedure for counting faintly luminescent particles, and relates specifically to a procedure for counting cells and microorganisms marked with a colored or...
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5793833 |
Method of and apparatus for measuring and estimating the cleanliness of wafer accommodating members
To evaluate cleanliness of wafer accommodating members used for storing or transporting of silicon, gallium arsenide or like semiconductor wafers, pure water is poured into a vessel-like wafer...
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5768327 |
Method and apparatus for optically counting discrete objects
An object counter includes a feeding funnel having a frustroconical section, the narrow end of which is coupled to a substantially vertical feeding channel having a substantially rectangular cross...
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5751839 |
Apparatus and process for the detection and counting of rarely occurring mammalian cells
Apparatus and process capable of rapid detection and counting of rarely occuring mammalian cells in blood and other tissues which have been labeled with a fluorescent dye. The process includes:...
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5649576 |
Partitioning device
A system which precisely arrays small objects into a plurality of containers which comprises a vessel containing the objects in a fluid suspension; a tube, the proximal end of which is positioned...
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5574762 |
Method and apparatus for directional counting of moving objects
A scheme for directional counting of moving objects capable of counting moving objects stably while determining passing directions of the moving objects accurately. In this scheme, a counting line...
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5534309 |
Method and apparatus for depositing particles on surfaces
A method of providing particle deposition on a semiconductor wafer or other surface first provides a flow of clean gas into a deposition chamber that purges the chamber prior to introduction of the...
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5510246 |
Method for rapid quantification of microorganism growth
Changes in specified indicia of colony growth in the early stages of incubation are monitored to provide the early detection and enumeration of colonies in the growth medium. Data from images...
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5502755 |
High speed, high accuracy parts counting system
A high speed, high accuracy parts counting system is disclosed. The new system utilizes known types of centrifugal feeder devices with novel modifications relating to the sensing and control of...
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5479466 |
Zigzag scanning address generator and method therefor
A zigzag scanning address generator includes a row address generator for generating a row address signal which stops, increases or decreases a present state in response to an enabling signal, and a...
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5464752 |
Automated analyzer for screening cells or formed bodies for enumeration of populations expressing selected characteristics
A method and apparatus for automatically and rapidly, retrieving, counting and/or analyzing at least one selected white blood cell population and/or subset thereof of a whole blood sample or...
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5428451 |
Process and apparatus for counting particles
Particles in a fluid are counted by passing the fluid through an optical cell and an image of said particles is projected onto an array of charge coupled devices such that the area of the image of...
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5420628 |
Video densitometer with determination of color composition
The measurement of gray scale or color composition integrated densities of irregularly shaped areas of a subject specimen is accomplished by using a video camera to derive an analog video image...
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5365559 |
Particle counting apparatus for a total counting of particles contained in a liquid sample
A particle counting apparatus for counting a total particle counting value contained in a liquid sample comprising, a flow cell in which the liquid sample flows, a light source for irradiating a...
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5317645 |
Method and apparatus for the recognition and counting of discrete objects
An apparatus for counting discrete objects of various sizes and shapes as they travel through the apparatus in a disorderly flow. The apparatus includes a sensor array which comprises a plurality...
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5274431 |
Method and apparatus for counting particles
The particle counting apparatus is intended to count the number of particles such as blood corpuscles, by passing through a minute aperture, and detecting the particles electrically. In this...
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5253538 |
Method and device for quantifying particles on a surface
A device and method for counting particles on a sample surface. The device includes a scanner having a surface for interfacing with the sample surface. The scanner is connected to one end of a tube...
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5235625 |
Method for synchronizing particle counters to external events
A method and an apparatus for synchronizing particle counts to process events provide a trigger signal related to the process events in lieu of a time-based trigger signal. In one embodiment, the...
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5194949 |
Video densitometer
The measurement of integrated densities of irregularly shaped areas of a subject specimen is accomplished by using a video camera to derive an analog video image signal representative of the...
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5150036 |
Process and apparatus for calibrating a particle counter
A process and apparatus for calibrating a particle counter is described. The process comprises the steps of forming a vector gas flow by an aerosol of particles of the same grain size, developing...
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5117467 |
Colony counting apparatus
A colony counting apparatus includes a reading unit with a visual sensor incorporated therein. The presence of a colony is detected at the end of that colony by moving the reading unit along lines...
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5113451 |
Method for labelling polygons
A method for labelling polygons of a geometric layout which includes the steps of scanning a geometric layout during a first scan line pass to detect objects which form a polygon, processing the...
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H001060 |
Microstructure correlation counter
An apparatus for analyzing unknown microstructures in samples with known microstructure configurations, both biological and non-biological, by optically correlating the unknown with the known. The...
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5090034 |
Dual channel ionization counter
An event counter has dual counting channels, each employing a ripple counter, and a timing generator supplying square wave switching signals of opposite phases to gates at the inputs of the two...
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5018214 |
Method and apparatus for identifying discrete objects in a visual field
The processing time for identifying discrete objects in a visual field composed of pixels is reduced by establishing indirect links between points of occurrence in the array and object names in an...
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4967608 |
Test chamber for particle emitters
A test chamber is disclosed that permits standardized measurement of particles in the chamber environment. A device or structure that is suspected of the emitting particles and which is desired to...
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4932044 |
Tissue analyzer
A system is disclosed for counting particles/cells within a counting box of precisely known volume that is completely inside a transparent section or sample. The box has a chosen height with...
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