Optics: measuring and testing – By dispersed light spectroscopy – With internal standard comparison
Patent
1979-01-02
1980-07-29
Evans, F. L.
Optics: measuring and testing
By dispersed light spectroscopy
With internal standard comparison
356328, G01J 338
Patent
active
042148359
ABSTRACT:
A spectrometer readout system with storage capacitors for temporarily storing output signals generated by a series of photomultiplier tubes that are positioned to monitor selected spectral lines. A voltage-time converter sequentially discharges the capacitors to a preset level and converts the stored voltages into signals that are linearly related to a known signal and an unknown signal. The output of the voltage-time converter defines the discharge time period which is measured and stored by a computer.
REFERENCES:
patent: 2577814 (1951-12-01), Saunderson et al.
patent: 3531202 (1970-09-01), Wilkinson et al.
Baird Corporation
Evans F. L.
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