Invention Grant
- Patent Title: Antenna device, mobile terminal and RFID tag
- Patent Title (中): 天线设备，移动终端和RFID标签
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Application No.: US11451487Application Date: 2006-06-13
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Publication No.: US07649497B2Publication Date: 2010-01-19
- Inventor: Akiko Yamada , Makoto Higaki , Shuichi Sekine
- Applicant: Akiko Yamada , Makoto Higaki , Shuichi Sekine
- Applicant Address: JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba
- Current Assignee: Kabushiki Kaisha Toshiba
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2005-201915 20050711
- Main IPC: H01Q1/38
- IPC: H01Q1/38 ; H01Q1/24
Abstract:
There is provided with an antenna device including: a first wire antenna element having a length about half a wavelength of a radio wave in use; a second wire antenna element which is in a same plane as the first wire antenna element and substantially perpendicular to the first wire antenna element, and which is connected to the first wire antenna element at one end; a third wire antenna element which is in the same plane as the first wire antenna element and substantially in parallel with the first wire antenna element, and which is connected to the second wire antenna element; and a feed point provided on the second wire antenna element.
Public/Granted literature
- US20070008228A1 Antenna device, mobile terminal and RFID tag Public/Granted day:2007-01-11
Information query
