Analogue divider with digital output for spectrophotometry

Details Analogue divider with digital output for spectrophotometry Analogue divider with digital output for spectrophotometry

1974-11-19

1976-11-30

Miller, Charles D.

Communications: electrical

Audible indication

Percussion-type sound producer

340347AD, H03K 1320

Patent

active

039952657

ABSTRACT:
The sample output from a spectrophotometer is accumulated for a predetermined number of clock pulses and then compared with an accumulation of the reference output of the spectrophotometer and predetermined antenuations thereof for measured numbers of clock pulses to produce digitalized transmittance or absorbance ratios.

REFERENCES:
patent: 3772683 (1973-11-01), Dorey
patent: 3826983 (1974-07-01), Garratt
patent: 3833902 (1974-09-01), Eto
patent: 3842416 (1974-10-01), Eto

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