G - Physics – 01 – N
Patent
G - Physics
01
N
73/71
G01N 27/02 (2006.01) G01N 27/22 (2006.01) H01G 4/12 (2006.01) H03H 5/02 (2006.01)
Patent
CA 1333450
A high frequency oscillatory circuit for ascertaining the mass or concentration of a first material (such as moisture) in a second material (such as tobacco) has a capacitance and an inductance. The dielectric of the capacitance is constituted by the monitored materials, and the capacitance further comprises a stray field condenser with a thin plate-like ceramic carrier for thin film-like electrodes having prongs which alternate with each other. The inductance has a ceramic core for discrete windings which are obtained by providing the core with a thin metallic envelope and by thereupon removing portions of the envelope so as to leave a series of convolutions. The loss angle, dielectric constant and/or elongation of the materials of the carrier and core are not affected by temperature fluctuations.
585038
Heck Bernd
Hohenstein Norbert
Schroder Dierk
Fetherstonhaugh & Co.
Hauni Maschinenbau Aktiengesellschaft
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