H - Electricity
01
Q
351/46
H01Q 1/27 (2006.01) H01Q 7/08 (2006.01)
Patent
CA 1223346
ABSTRACT The invention is a miniature antenna useful for portable radios, pocket pager receivers, etc. A plurality of sequentially wound windings is located on a ferrite core, each winding being connected in series with a capacitor. The resulting series circuits are connected in parallel with each other. Preferably the resonant frequency of each series circuit is approximately 80% to 90% of a receive frequency. An external tuning capacitance resonates with the net inductance of the antenna at the receive frequency. The antenna exhibits low hand effect while maintaining output EMF.
461015
Shapiro Cohen
Siltronics Ltd.
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