Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1975-08-28
1977-11-08
Smith, Alfred E.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250345, G01N 2126
Patent
active
040577341
ABSTRACT:
A spectrometer having two photoelectric channels the outputs of which are compared in order to measure gas or liquid concentrations, and means for automatically balancing the photoelectric channels immediately prior to each successive measurement, said means including a reference source of radiation which is utilized for balancing both photoelectric channels, so that when a measurement of the gas or liquid is being made, both photoelectric channels as nearly as possible are effectively balanced.
REFERENCES:
patent: 3504978 (1970-04-01), Shibata et al.
patent: 3680957 (1972-08-01), Fukuda
patent: 3895233 (1975-07-01), Boll et al.
patent: 3973849 (1976-08-01), Jackson
Barringer Research Limited
Moore David K.
Smith Alfred E.
LandOfFree
Spectroscopic apparatus with balanced dual detectors does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Spectroscopic apparatus with balanced dual detectors, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spectroscopic apparatus with balanced dual detectors will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-230620