Takuma SAWAYA

Chip Dielectric Antenna Arranging Parasitic Element on the Back
Osamu SHIBATA  Takuma SAWAYA  Hiromasa KOYAMA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2008/09/01
Vol. J91-B  No. 9  pp. 1008-1016
Type of Manuscript: Special Section PAPER (Special Issue on Emerging Technologies of Antennas and Propagation Supporting High-speed Wireless Communications)
Category: 
Keyword: 
small antenna,  chip dielectric antenna,  patch antenna,  parasitic element,  front-to-back ratio, 
  Summary |  Full Text(in Japanese):PDF (1019.7KB)
Feeder and DC-Control Line Sharing Frequency Controllable Loop Antenna
Kyouichi IIGUSA  Makoto YAMAMOTO  Takuma SAWAYA  Makoto TAROMARU  Takashi OHIRA  Bokuji KOMIYAMA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2006/11/01
Vol. J89-B  No. 11  pp. 2127-2142
Type of Manuscript: PAPER
Category: 
Keyword: 
loop antenna,  load,  frequency control,  diversity,  actual gain, 
  Summary |  Full Text(in Japanese):PDF (3MB)