Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2005-02-15
2005-02-15
Tran, Pablo N. (Department: 2685)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S129000, C455S562100, C343S70000R, C343S702000
Reexamination Certificate
active
06856819
ABSTRACT:
A portable wireless unit of the invention has a first plane antenna smaller than an antenna size determined by a desired frequency, and a second plane antenna presenting an antenna size determined by the desired frequency on the whole by coupling with the first plane antenna.
REFERENCES:
patent: 5243353 (1993-09-01), Nakahara et al.
patent: 5410323 (1995-04-01), Kuroda
patent: 6150982 (2000-11-01), Bergstedt et al.
patent: 0 980 113 (2000-02-01), None
patent: 0 980 113 (2001-03-01), None
patent: 2 226457 (1990-06-01), None
patent: 62-188504 (1987-08-01), None
patent: 8-195609 (1996-07-01), None
patent: 8-335818 (1996-12-01), None
patent: 9-139622 (1997-05-01), None
patent: 9-148838 (1997-06-01), None
patent: 10-154909 (1998-06-01), None
patent: 2001-85920 (2001-03-01), None
patent: WO 9927609 (1999-06-01), None
K. Fujimoto, Y. Yamada, K. Tsunekawa, “ZUKAI Mobile Communications Antenna System”, p. 126, Fig. (f), Sougou-Denshi-Sha.
Arai et al., “A Design of Uni-directional Potable Terminal Antenna and Effect of Phantom”, SB-1-12 (1999), p. 652.
Shinji Sakai, et al., “Miniaturization of Parasitic Element for Radiation Gain Enhancement of Small Antenna”, Mitsubishi Materials Corp. (1998).
NEC Corporation
Scully Scott Murphy & Presser
Tran Pablo N.
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