Electricity: measuring and testing – Magnetic – Displacement
Patent
1984-07-26
1987-05-05
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Magnetic
Displacement
324260, 324249, 324252, 360114, G01B 702
Patent
active
046635882
ABSTRACT:
A detector head for use in a measuring device includes a plurality of constituent measuring elements arranged in at least two blocks, each block producing an output signal of equal amplitude, and a phase shifter provided to shift the relative phases of the output signals of the blocks to have a predetermined relative phase difference, whereby selected higher-order harmonic components are cancelled from the resultant signal formed by summing the signals produced by the separate blocks of constituent elements.
REFERENCES:
patent: 3626397 (1971-12-01), Uemura
patent: 4309702 (1982-01-01), Mibu et al.
Himuro Kiyoshi
Mibu Katsutoshi
Narimatsu Akihisa
Yoshioka Takamoto
Eisenzopf Reinhard J.
Eslinger Lewis H.
Mueller Robert W.
Sinderbrand Alvin
Sony Magnescale Incorporation
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