Invention Grant
- Patent Title: Antenna device
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Application No.: US15308469Application Date: 2015-04-22
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Publication No.: US10256533B2Publication Date: 2019-04-09
- Inventor: Takayuki Hirabayashi , Hiroyuki Shigei , Rikiya Ishikawa , Yu Togasaki , Osamu Kozakai
- Applicant: SONY CORPORATION
- Applicant Address: JP Tokyo
- Assignee: SONY CORPORATION
- Current Assignee: SONY CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Xsensus, LLP
- Priority: JP2014-123565 20140616
- International Application: PCT/JP2015/002201 WO 20150422
- International Announcement: WO2015/194083 WO 20151223
- Main IPC: H01Q1/12
- IPC: H01Q1/12 ; H01Q1/22 ; H01Q1/27 ; H01Q1/32 ; H01Q1/36 ; H01Q1/44 ; H01Q9/14 ; H04B1/3827 ; H01Q1/48 ; H01Q21/28

Abstract:
An antenna device includes at least one antenna that transmits and receives communication signals, and a helix ground plate connected to the at least one antenna. The helix ground plate includes an overlapping part, and has a length of at least one-quarter of a wavelength of a lowest-frequency in the communication signals.
Public/Granted literature
- US20170062918A1 ANTENNA DEVICE Public/Granted day:2017-03-02
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