Looped multi-branch planar antennas having multiple resonant...

Communications: radio wave antennas – Antennas – With radio cabinet

Reexamination Certificate

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C343S7000MS, C343S846000

Reexamination Certificate

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06909402

ABSTRACT:
Antennas and wireless terminals that incorporating the antennas include conductive elements that have a looped track element that can resonate at high and low bands to provide a multi-band PIFA.

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Dou, Wei Ping et al., Novel Meandered Planar Inverted-F Antenna For Triple-Frequency Operation, Microwave and Optical Technology Letters, Oct. 5, 2000, pp. 58-60, vol. 27, No. 1, Singapore.
Ollikainen, Jani et al., Internal Dual-Band Patch Antenna for Mobile Phones, Helsinki University of Technology, Finland, date unknown, but for examination purposes, the date is before Dec. 17, 2002, p. 364 (4 sheets).
Wong, Kin-Lu, Chapter One, Introduction and Overview, Planar Antennas for Wireless Communications, Jan. 2003, pp. 1-25, ISBN: 0-471-26611-6.
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PCT Written Opinion of the International Searching Authority, Jun. 4, 2004.

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