Title:
TWO LIGHT BEAMS SPECTROPHOTOMETER
Document Type and Number:
Japanese Patent JPS5352180
Kind Code:
A
Abstract:
PURPOSE: To make it possible to precisely measure the spectral transmission rate and reflection rate etc. of the sample by comparing the reference light signal amount of A/D converted digital amount with predetermined constant value and by controlling due to the amounts relation.
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Inventors:
MAEDA YOSHIO
KAMITAKE SEIGO
MATSUMOTO KOUICHI
KAMITAKE SEIGO
MATSUMOTO KOUICHI
Application Number:
JP12620176A
Publication Date:
May 12, 1978
Filing Date:
October 22, 1976
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G01J3/42; G01J3/08; (IPC1-7): G01N21/02