Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1992-10-13
1994-03-29
Niebling, John
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204412, 204434, G01N 2726
Patent
active
052981452
ABSTRACT:
Apparatus and method for stripping off undesirable, high frequency, or alternatively, low frequency components of an input signal by selectively passing only those undesirable components through a filter, and then subtracting those undesirable components from the raw mixture of the desirable and undesirable components. This invention is useful in plating bath analysis.
REFERENCES:
patent: 4132605 (1979-01-01), Tench et al.
patent: 4631116 (1986-12-01), Ludwig
patent: 4808930 (1989-02-01), Kaiser
patent: 4812210 (1989-03-01), Bonivert et al.
Garraway Marcus A.
Hamano Martin M.
Kepler, Jr. Maynard M.
Bell Bruce F.
Denson-Low W. K.
Hughes Aircraft Company
Lachman M. E.
Niebling John
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