H - Electricity – 03 – D
Patent
H - Electricity
03
D
333/48
H03D 3/26 (2006.01) H03H 7/46 (2006.01)
Patent
CA 1294014
ABSTRACT OF THE DISCLOSURE A signal discriminator adapted to discriminate a signal with a specific frequency out of a current composed of two or more superimposed components with different frequencies. One type of signal discriminator disclosed includes a first coil composed of a primary and a secondary winding wound with the same number of turns and in the same direction on a core whose magnetomotive force and magnetic flux density are roughly proportional to each other, a second coil composed of a primary and a secondary winding wound on a core whose magentomotive force and magnetic flux density are roughly proportional to each other, and an impedance circuit. Another type of signal discriminator is composed of a first winding with short-circuited ends and a second winding for detecting signals both wound on an annular core having an approximately linear BH characteristic with the magnetomotive force and the magnetic flux density roughly proportional to each other. Also disclosed is a method of obtaining the high frequency component of the signals transmitted through a signal line which is passed through said annular core.
573969
Ishikura Keizaburo
Kageyama Tomoaki
Maezawa Shigenari
Saigo Akira
Sera Akio
Mitsui Chemicals Incorporated
Smart & Biggar
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