Electromagnetic protection antenna for portable transmitter

Details Electromagnetic protection antenna for portable transmitter Electromagnetic protection antenna for portable transmitter

2005-05-17

2005-05-17

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

Loop type

C343S728000, C343S742000

Reexamination Certificate

active

06894658

ABSTRACT:
An electromagnetic protection antenna for mobile transmitter, includes two substantially planar loops (1, 2) symmetrical relative to an electrically insulated intersecting point. A central antenna (5, 6) is arranged inside each of the loops, each central antenna having a shape substantially homothetic with that of the respective loop.

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patent: 5945958 (1999-08-01), Staufer et al.
patent: 2 781 088 (2000-01-01), None
Ojiro Y et al:, “A monopole-fed circularly polarized loop atenna”, Antennas and Propagation Society International Symposioum, 1998, IEEE Atlanta, GA, USA Jun. 21-26, 1998, New York, NY, USA IEEE, US, Jun. 21-26, 1998, pp. 810-813, XP010292376 atlanta, usa ISBN: 0-7803-4478-2, the whole document.

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