Foley & Lardner
Portable radio communication device with wide bandwidth and improved antenna radiation efficiency
 A portable radio communication device capable of eliminating the deterioration of the radiation efficiency due to the occurrence of the dual resonance on the antenna, without reducing the bandwidth. A radio communication device, comprises: a device body made of a conductor body, containing at least one of a radio transmitter and a radio receiver; and an antenna, mounted on the device body, formed by first and second strip-like conductor elements which are connected together at a feeding point connected with said at least one of the radio transmitter and the radio receiver, the first and second strip-like conductor elements having an identical electrical length with each other. 
Kabushiki Kaisha Toshiba
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Yasuo Syuichi Minoru Syuichi Tadahiko
Suzuki Sekine Sakurai Obayashi Maeda