Ashok K Agrawala, Ashok V Kulkarni, Edwin H Paul Jr: System for extracting shape features from an image. Coulter Electronics, Kenway & Jenney, January 8, 1980: US04183013 (181 worldwide citation)

A system for sequentially processing an image in order to identify objects in the image, and extract a variety of shape features of the identified objects. The system includes an image preprocessor, a controller, an object boundary resolver and identifier and a feature extractor. The image preproces ...

Mack J Fulwyler, C William Hatcher: Method for producing uniform particles. Coulter Electronics, Silverman Cass & Singer, July 24, 1979: US04162282 (161 worldwide citation)

Uniform particles are produced by introducing a laminar stream of a core liquid into a laminar flowing body of an immiscible sheath liquid. The core liquid or the sheath liquid, or both liquids, can contain one or more materials dispersed (dissolved or suspended) in them from which the uniform parti ...

Guenter Ginsberg, Thomas Horne: System and program for chemical reaction observation with a moving photometer. Coulter Electronics, Silverman Cass & Singer, June 30, 1981: US04276051 (122 worldwide citation)

System and program for measuring progressively the absorbance changes of a large number of aliquots from a plurality of different samples in a continuous processing mode. A plurality of routine samples are maintained in an ordered sequence in a sample tray which may be moved to a first sample pick u ...

Carlos M Rodriguez, Wallace H Coulter: Multi-part differential analyzing apparatus utilizing light scatter techniques. Coulter Electronics, Carl Fissell Jr, Gerald R Hibnick, June 30, 1992: US05125737 (110 worldwide citation)

Disclosed is a flow through particle analyzing cell differentiating apparatus for optical and electronic measurements on a stream of particles in which a hydrodynamically focoussed stream is passed into and through a point focussed beam of radiated energy whereby the beam is scattered by the stream ...

Marshall D Graham, David D Cook Jr: Automated microscopy system and method for locating and re-locating objects in an image. Coulter Electronics, Lahive & Cockfield, April 23, 1985: US04513438 (99 worldwide citation)

A microscopy system for automatically locating and re-locating objects-of-interest in an image which has one or more objects against a background. Each of the objects-of-interest is characterized by a predetermined set of features. In a preferred form, the invention is specifically directed to an au ...

Hoskins Douglas Haig, Horne Thomas, Jarman Graham Roger, Dunsmore Arthur William: Automatic chemical analysis apparatus. Coulter Electronics, Silverman & Cass, May 13, 1975: US3883305 (97 worldwide citation)

An automatic chemical analysis apparatus having separate closed-looped conveyors for sample and reactant containers. At a fixed location, sample portions from a given sample are transferred to a serial sequence of reactant containers. Colourimetric testing is arranged such that all of the reactant p ...

Smith Lester C, Ziffer Garret F, Nelson John Russell: Automatic method and system for analysis and review of a plurality of stored slides. Coulter Electronics, Silverman & Cass, December 3, 1974: US3851972 (95 worldwide citation)

A method and system for automatically reviewing slides having biological cells thereon which include a sequencer for developing a sequence of first control signals and a sequence of second control signals. A scanning device operates in response to the first control signals to access sequentially sli ...

Guenter Ginsberg, Thomas Horne, Robert L Kreiselman: Apparatus for monitoring chemical reactions and employing moving photometer means. Coulter Electronics, Silverman Cass & Singer, November 18, 1980: US04234539 (90 worldwide citation)

Apparatus for measuring progressively the absorbance changes of a large number of aliquots from a plurality of different samples. The sample introduction, testing instructions, aliquot preparation, reagent dispensing, absorbance measuring and data recording all can be accomplished in a continuous mo ...

Wallace H Coulter, William F Rothermel: Method and apparatus for transporting carriers of sealed sample tubes and mixing the samples. Coulter Electronics, Gerald R Hibnick, September 2, 1986: US04609017 (87 worldwide citation)

A plurality of sealed blood sample tubes are housed in a rack and a plurality of these racks are vertically stacked, with the sample tubes lying horizontally. The racks are successively deposited onto a horizontal conveyor belt which is housed in and moves longitudinally on a table that rocks around ...

Robert C Leif: Orifice inside optical element. Coulter Electronics, Gerald R Hibnick, September 7, 1982: US04348107 (81 worldwide citation)

Disclosed is an electro-optical transducer for simultaneously making optical measurements and electrical volume measurements on particles suspended in a flow stream passing through an orifice positioned inside an optically clear spherical element.