Spectrometer sequential readout system

Details Spectrometer sequential readout system Spectrometer sequential readout system

1977-06-06

1979-02-20

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

With internal standard comparison

356328, G01J 338

Patent

active

041403940

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 related logarithmically to a known signal and an unknown signal. The output of the voltage-time converter defines the log 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.

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