| 摘要 |
An antenna, has a box conductive case having at least a single opening on an upper part, an internal conductor which is stored in the case, is disposed at a bottom, and is shaped like a letter <custom-character file="US20020135522A1-20020926-P00900.TIF" wi="20" he="20" id="custom-character-00001"/>which is one of Japanese katakana letters, a letter "u", a letter "U", a cramp, or an arc, and a feeding element which is stored in the conductive case and is connected to a feeding section disposed on the bottom of the conductive case, wherein the internal conductor other than parts disposed on the conductive case is not connected to the case.
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