Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jae-Hyeuk Jang0
Byung Sun Park0
Masato Tanaka0
Young-Sik Kim0
Date of Patent
March 6, 2007
Patent Application Number
10532298
Date Filed
October 25, 2002
Patent Citations Received
Patent Primary Examiner
Patent abstract
In an antenna device having a substantially conical conductive member, having upper and lower sides made open, erected in a substantially vertical direction around a substantially circular microstrip patch provided on the upper side of a substantially circular substrate, the lower opening portion of the conductive member is grounded to a ground plate provided on the lower side of the substrate, and the diameter of the upper opening portion of the conductive member is larger than the diameter of the lower opening portion of the conductive member.
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