Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1977-02-28
1978-09-12
Rolinec, Rudolph V.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324 71R, 73194F, G01N 2700
Patent
active
041140885
ABSTRACT:
An ion counter for measuring the density of atmospheric ions has two basic sections, the electrometer, which is of a conventional type, and the collector. An improved collector is provided having two collector plates in electrical contact, mounted either side of a polarizing plate to form a double channel cell having two air passages. The polarizing plate and the collector plates are tightly secured to insulators so as accurately to maintain the spacing between the plates.
REFERENCES:
patent: 3835705 (1974-09-01), Hadjidjanian
patent: 3889180 (1975-06-01), Eichmeier
patent: 3986111 (1976-10-01), Sellers
patent: 4003254 (1977-01-01), Bullis et al.
Laws Cecil Alfred
Rolinec Rudolph V.
Sunderdick Vincent J.
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