Sample centering system

Details Sample centering system Sample centering system

1980-08-05

1983-07-26

Punter, William H.

Optics: measuring and testing

By alignment in lateral direction

With light detector

250548, G01B 1100, G01N 2186

Patent

active

043951252

ABSTRACT:
A sample centering system comprising a photometric system for colorimetrically measuring samples applied onto a carrier shifted in a definite direction, a detection system arranged at a definite interval apart from said photometric system, a sample detection signal generating means for generating a signal on the basis of the output from said detection system, and a shifting timer which is operated on the basis of said sample detection signal or at a definite time after shifting of said carrier is started, said sample centering system being so adapted as to stop said carrier when said shifting timer is turned off after a definite time, thereby making it possible to stop said carrier always at a time when a sample is located on the optical axis of said photometric system regardless of sample conditions.

REFERENCES:
patent: 3313943 (1967-04-01), Sager
patent: 3787701 (1974-01-01), Thaddey
patent: 4204767 (1980-05-01), Kato et al.

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