Apparatus for automatically measuring the light transmission fac

Details Apparatus for automatically measuring the light transmission fac Apparatus for automatically measuring the light transmission fac

1978-12-20

1982-01-12

McGraw, Vincent P.

Optics: measuring and testing

For light transmission or absorption

Of fluent material

356409, G01N 2113, G01J 342

Patent

active

RE0308455

ABSTRACT:
An apparatus for automatically measuring the light transmission factor of liquid test samples in which a number of transparent vats is arranged around the circumference of a stationary table over which rotates a photoelectric measuring device which successively scans each vat to determine the light transmission factor of the samples. The various samples are automatically transferred by sucking them into the measuring vats from a bank of test tubes via a bank of probes with flexible hose connections to each vat; a central control valve drains the vats after testing. Electronic timing circuits provide the control commands for the operative sequences of the device, and logic circuitry, in combination with a data storage and retrieval system, provides comparative data between reference measurements and sample measurements for each vat.

REFERENCES:
patent: 3322958 (1967-05-01), Heiss
patent: 3377467 (1968-04-01), Staunton et al.
patent: 3401591 (1968-09-01), Anthon
patent: 3489525 (1970-01-01), Natelson
patent: 3554654 (1971-01-01), Paatzsch et al.
patent: 3567393 (1971-03-01), Welch
patent: 3609047 (1971-09-01), Marlow
patent: 3617222 (1971-11-01), Matte
patent: 3619073 (1971-11-01), De Mendez et al.
patent: 3619624 (1971-11-01), Sorenson
patent: 3622279 (1971-11-01), Moran
patent: 3656116 (1972-04-01), Jansen, Jr.
patent: 3711206 (1973-01-01), Moran
"Analytical Biochemistry", 28, pp. 545-562, (1969), Anderson.

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