Loop antenna device

Details Loop antenna device Loop antenna device

1999-05-27

2000-12-19

Wimer, Michael C.

Communications: radio wave antennas

Antennas

Including magnetic material

343867, H01Q 708

Patent

active

061633054

ABSTRACT:
A loop antenna has a first antenna generating a first magnetic field and a second antenna generating a second magnetic field such that the first magnetic field and the second magnetic field each have a different axis. A serial resonant circuit and a parallel resonant circuit are provided for the first antenna and the second antenna, respectively. The serial resonant circuit has a ferrite member, a first coil wound around the ferrite member, a resonant capacitor, and a power source connected thereto in series. The in-series connection of the resonant capacitor and the power source are connected across the first coil. The parallel resonant circuit has a link coil wound around the ferrite member, a second coil connected to the link coil in series and wound around a member outside the ferrite member, and a resonant capacitor connected in parallel to the series connection of the second coil and the link coil.

REFERENCES:
patent: 3719950 (1973-03-01), Bukhman et al.

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