Title :
Automatic Impedance Matching of an Active Helical Antenna Near a Human Operator
Author :
Koichi Ogawa;Tsukasa Takahashi;Yoshio Koyanagi;Koichi Ito
Author_Institution :
Matsushita Electric Industrial Co., Ltd. Devices Development Center, 1006, Kadoma, Osaka, 571-8501 Japan. ogawa.koichi@jp.panasonic.com
Keywords :
"Impedance matching","Helical antennas","Humans","Diodes","Dipole antennas","Circuits","Control systems","Varactors","Adaptive control","Voltage control"
Conference_Titel :
Microwave Conference, 2003 33rd European
Print_ISBN :
1-58053-834-7
DOI :
10.1109/EUMA.2003.340850