Reader card for densitometric test analysis

Details Reader card for densitometric test analysis Reader card for densitometric test analysis

1983-04-08

1986-02-04

McGraw, Vincent P.

Optics: measuring and testing

Standard

356244, 356443, 422 58, G01N 2101, G01N 2125

Patent

active

045681848

ABSTRACT:
A reader card for use in densitometric test analysis wherein a film having data recorded as spots thereon is supported by and retained on a base card, the reader card further having an area for use in establishing initial conditions for the optical system of the densitometer and a series of borders for indicating the relative position of the film on the card to the optical system of the densitometer. In a preferred embodiment, the reader card includes a base card having an opening therethrough, and an overlay thereover. The overlay retains the film in place and includes a black band covering the film, the black band having windows therethrough for observing and measuring the spots.

REFERENCES:
patent: 3551023 (1970-12-01), Brackett
patent: 3705294 (1972-12-01), Kuehnle et al.
patent: 3990850 (1976-11-01), Friedman et al.
patent: 3997992 (1976-12-01), Anderson
patent: 4174178 (1979-11-01), Ouchi et al.
patent: 4180741 (1979-12-01), Palmatier et al.
patent: 4365895 (1982-12-01), Shaber et al.
Robert F. Ritchie, "Clinical Use of Automated Precipitin Data: A Problem of Volume and Physician Acceptance", Advances in Automated Analysis, Technicon International Congress 1970, vol. 1, p. 128.

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