Automated calibration and standardization apparatus

Details Automated calibration and standardization apparatus Automated calibration and standardization apparatus

1974-06-28

1976-08-17

Sloyan, Thomas J.

Communications: electrical

Audible indication

Percussion-type sound producer

73 611C, 356205, 340347CC, H03K 1302

Patent

active

039757277

ABSTRACT:
New and improved apparatus is provided for the calibration and standardization of the analog output signal level of automated analysis equipment, which level varies as a function of the concentration of the constituent being analyzed. Such apparatus comprises an A/D converter including a dual-slope integrator for translating the output signal level to a time interval which varies as a function of the constituent. Such apparatus further includes means for generating the inverse function of the analytical function, which is applied to linearize and scale the output signal level and to convert such level directly to digital form. Also, provision is made for the calibration and standardization, on an individual basis, of each of a plurality of analytical channels in a multi-channel system.

REFERENCES:
patent: 3241432 (1966-03-01), Skeggs et al.
patent: 3349390 (1967-10-01), Glassman
patent: 3568181 (1971-03-01), Weaver
patent: 3662163 (1972-05-01), Miller et al.
patent: 3681577 (1972-08-01), Gasiunas
patent: 3685048 (1972-08-01), Pincus
patent: 3686665 (1972-08-01), Elias et al.
patent: 3701145 (1972-10-01), Bergin
patent: 3824585 (1974-07-01), Meijer

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