Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takuma Sawaya0
Satoru Tawara0
Takashi Itoh0
Takashi Ohira0
Emi Morita0
Hiroki Tanaka0
Kyouichi Iigusa0
Makoto Taromaru0
Date of Patent
November 28, 2006
0Patent Application Number
110658320
Date Filed
February 25, 2005
0Patent Primary Examiner
Patent abstract
An antenna structure with reduced bulkiness and capable of changing antenna directivity is provided. In order to achieve such an effect, the antenna structure includes a feed element of one of an inverted F type and a loop type, and a passive element of one of the inverted F type and loop type, and having a variable reactor so as to be capable of changing an electrical length, and the feed element and passive element are disposed with a predetermined distance therebetween.
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