Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1974-10-03
1976-03-02
Corcoran, Robert J.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
73290R, 164154, 340244R, G01R 3300
Patent
active
039421058
ABSTRACT:
A non-contact inductive pickup for determining the interface between two media. The media have different specific density, different specific resistance and at least one of the media is electrically conductive and non-magnetic. The pickup comprises two open U-shaped magnetic circuits disposed parallel to each other and embraced by excitation and measuring windings.
REFERENCES:
patent: 2994034 (1961-07-01), Kinzer
patent: 3366873 (1968-01-01), Miller et al.
patent: 3511580 (1970-05-01), Eckhardt et al.
Rutter; D. E., Magnetic Ink Hopper Control, IBM Tech. Bul., Vol. 3, No. 11, Apr. 1961, pp. 10-11.
Andrianov Georgy Grigorievich
Baglai Vitaly Mikhailovich
Bondarenko Oleg Petrovich
Kamensky Leonid Alexeevich
Kravchuk Anatoly Iosifovich
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