Photomultiplier tube gain regulating system

Details Photomultiplier tube gain regulating system Photomultiplier tube gain regulating system

1975-04-08

1976-10-26

Borchelt, Archie R.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250207, 250565, 356197, 356205, G01N 2124

Patent

active

039885909

ABSTRACT:
This invention relates to an improved system for regulating the gain of a photomultiplier tube, and was designed for use with the photomultiplier tubes of a GeMSAEC fast analyzers. It has the following advantages over the prior system: noise is virtually eliminated; sample analysis can begin after 3 to 4 revolutions of the rotor; fluorescent and light scattering solutions can be used as a reference; and the reference solution can be in any cuvette on the rotor.

REFERENCES:
patent: 3515878 (1970-06-01), Ried, Jr. et al.
patent: 3555284 (1971-01-01), Anderson
patent: 3783300 (1974-01-01), Johnson
patent: 3800161 (1974-03-01), Scott et al.
Automatic for Control For P.M. Tubes, Brecke et al., IBM Technical Disclosure Bulletin, vol. 17, No. 7, Dec. 1974, pp. 2077-2078.

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