Operator selectable multiple mode spectrophotometer

Details Operator selectable multiple mode spectrophotometer Operator selectable multiple mode spectrophotometer

1978-08-14

1986-02-04

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

With synchronized spectrum repetitive scanning

356319, 356328, 364418, G01J 306, G01J 334, G01J 342

Patent

active

045681864

ABSTRACT:
A spectrophotometer is provided for measuring and displaying an absorbance change as a function of time, a wavelength spectra, or an absorbance difference as a function of time between two specific wavelengths, which comprises a wavelength scanner for scanning through a plurality of wavelengths in a scan range, a wavelength reader for generating wavelength signals corresponding to the scanned wavelengths, photodetectors for detecting the light intensity of a scanned wavelength, an A-D converter for converting analog signals of a scanned wavelength to digital signals, a storage device for storing data generated from the A-D converter corresponding to each wavelength, an operational circuit for processing stored data, and display devices for displaying the processed data.

REFERENCES:
patent: 3385160 (1968-05-01), Dawson et al.
patent: 3874799 (1975-04-01), Isaacs et al.
patent: 3972617 (1976-08-01), Shibato et al.
patent: 3973849 (1976-08-01), Jackson et al.
patent: 4093991 (1978-06-01), Christie, Jr. et al.

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