Meander line antenna

Details Meander line antenna Meander line antenna

2007-04-17

2007-04-17

Wimer, Michael C. (Department: 2821)

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

C343S795000, C343S806000

Reexamination Certificate

active

11156532

ABSTRACT:
A meander line antenna formed in the shape of meander is disclosed. The meander line antenna includes a bottom half section that is constituted by a folded conductive pattern of a folded dipole antenna, and includes a feeding point for mounting an IC chip at the central part; a top half section that is constituted by a folded conductive pattern of a folded dipole antenna shaped like the bottom half section; and a frequency adjusting section consisting of connecting conductive patterns arranged at an interval corresponding to a desired frequency centering on the feeding point, the connecting conductive patterns connecting the bottom half section and the top half section. The connecting conductive patterns can be cut off, and the folded conductive pattern outside of the cut-off connecting conductive patterns can be removed.

REFERENCES:
patent: 3167775 (1965-01-01), Guertler
patent: 2002/0003496 (2002-01-01), Brady et al.
patent: 2002/0190903 (2002-12-01), Watada et al.
patent: 2001-119224 (2001-04-01), None
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patent: 2002-330018 (2002-11-01), None
patent: 2003-224415 (2003-08-01), None
patent: 2004-032102 (2004-01-01), None
M. Takiguchi, et al., “Radiation and Ohmic Resistances in Very Small Meander Line Antennas of Less than 0.1 Wavelength,” The Institute of Electronics, Information and Communication Engineers,IEICE Transaction B, vol. J87-B, No. 9, Sep. 2004, pp. 1336-1345.
M. Takiguchi, et al., “Input Impedance Increase of a Very Small Meander Line Antenna,” IEEE Antennas and Propagation Society International Symposium 2003 Digest. APS. Columbus, Ohio. Jun. 22-27, 2003, New York, New York:IEEE, U.S. vol. 4 of 4, Jun. 22, 2003, pp. 856-859.
Takiguchi et al., “Improvement of Radiation Efficiencies by Applying Folded Configuration to Very Small Meander Line Antennas”; Wireless Communication Technology, 2003 IEEE Topical Conference on Wireless Communication Technology, Oct. 15-17, 2003, pp. 342-343.

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