Apparatus for analyzing and evaluating tests in a plurality of w

Details Apparatus for analyzing and evaluating tests in a plurality of w Apparatus for analyzing and evaluating tests in a plurality of w

1980-12-10

1982-11-09

Rosenberger, R. A.

Optics: measuring and testing

For light transmission or absorption

346 33A, 346104, 435 33, 435 34, 435287, C12Q 100, G01D 900

Patent

active

043582036

ABSTRACT:
An apparatus is described with which a plurality of microbiological tests made in wells located in a pattern of rows on a tray can be conveniently analyzed and evaluated. A housing is formed with a tray analysis section and over which an arm is mounted to move from row to row. A plurality of manually activated signal generators are mounted on the arm, with the generators being aligned with a well in a row to enable the operator, upon identification of a particular well in a row as representative of analysis, to actuate the signal generator in registration therewith. The signals are representative of a score value and are recorded on score forms located in a test scoring section over which the arm moves with recording elements, also mounted on the arm. An elongated illuminator for a row of wells is described and which is conveniently adjusted to view selected test wells against different background lighting. The apparatus is particularly effective in color analysis of test wells by use of an apertured mask having color markings adjacent corresponding well locations.

REFERENCES:
patent: 3614241 (1971-06-01), Sanford
patent: 3936356 (1976-02-01), Janin
patent: 4116565 (1978-09-01), Powell et al.
patent: 4130824 (1978-12-01), Amos et al.

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