Method and apparatus for investigating and controlling an object

Chemistry: molecular biology and microbiology – Spore forming or isolating process

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435260, 435289, 435808, 435291, C12N 500, G01N 1514, C12M 134, F23N 508

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active

054037352

ABSTRACT:
In order to investigate an object, such as a culture of micro-organisms, the object is repeatedly captured at two different magnifications by a suitable image pick-up device. The images at the two different magnifications are then analysed by a suitable picture image recognition device and the results of the repeated analysis are compared, thereby to derive a measurement of the change in the object with time. Thus, for a culture of micro-organisms, the number of cells can be determined at one magnification and the number of microscopic spherical bodies can be determined at another magnification, to obtain a measure of the activity of the culture. Preferably, one or more conditions of the object are then controlled on the basis of the measurement of change.

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patent: 4118280 (1978-10-01), Charles et al.
patent: 4564444 (1986-01-01), Hiraoka et al.
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patent: 4792519 (1988-12-01), Blackburn et al.
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Patent Abstracts of Japan, vol. 12, No. 82, Mar. 15, 1988 & JP-A-62 215 383, Sep. 22, 1987 (abstract).
Patent Abstracts of Japan, vol. 10, No. 188, (P-473) Jul. 3, 1986 & JP-A-61 032 182 (Hitachi) Feb. 14, 1986 (abstract).
IEEE Transactions on Energy Conversion, "A Combustion Diagnosis Method for Pulverized Coal Boilers Using Flame-Image Recognition Technology", vol. EC-1, No. 2, Jun. 1986, New York, U.S., by N. Kurihara, et al.

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