Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Distributive type parameters
Patent
1987-07-09
1990-01-16
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Distributive type parameters
73 23, 324636, G01N 2200
Patent
active
048946036
ABSTRACT:
A method for analyzing a gaseous medium with respect to a component having a characteristic absorption frequency spectral line, including the steps of generating microwave radiation at a selected frequency, generating a first Stark voltage selected to have a value such that a reference signal produced by subjecting the component to the microwave radiation and the first Stark voltage has a zero passage, resulting from the change in polarity between the spectral line and the Stark voltage lines, at a frequency coinciding with the characteristic absorption frequency spectral line, and regulating the microwave radiation frequency as a function of frequency shifts of the zero passage of the reference signal.
REFERENCES:
patent: 2982855 (1961-05-01), Wickersham
patent: 3443217 (1969-05-01), Brinkerhoff
patent: 3973186 (1976-08-01), Uehara et al.
Berger Lutz
Breton Heimo
Giraud Helmut
Gunther Horst
Krieg Gunther
Eisenzopf Reinhard J.
Kernforschungszentrum Karlsruhe GmbH
Mueller Robert W.
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