High efficiency core antenna and construction method

Details High efficiency core antenna and construction method High efficiency core antenna and construction method

2007-04-24

2007-04-24

Phan, Tho (Department: 2821)

Communications: radio wave antennas

Antennas

Including magnetic material

C343S787000

Reexamination Certificate

active

10855203

ABSTRACT:
A magnetic core antenna system including a magnetic core and a winding network. The winding network may be configured with a non-uniform ampere-turn distribution to achieve a desired flux density in the core. The network may include a plurality of windings configured to provide a winding impedance facilitating optimal transmitter power delivery to the windings. A magnetic core may be constructed from multiple components having longitudinal contact surfaces and joined by a transverse clamping force. An air gap may be provided between the components to allow relative movement therebetween.

REFERENCES:
patent: 3750180 (1973-07-01), Fujimoto et al.
patent: 4760394 (1988-07-01), Takeuchi et al.
patent: 4978966 (1990-12-01), Takizawa et al.
patent: 6400330 (2002-06-01), Maruyama et al.
patent: 6795032 (2004-09-01), Ieda et al.
patent: 2003/0184489 (2003-10-01), Maruyama et al.

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