发明名称 ANTENNA DEVICE
摘要 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.
申请公布号 WO2015194083(A1) 申请公布日期 2015.12.23
申请号 WO2015JP02201 申请日期 2015.04.22
申请人 SONY CORPORATION 发明人 HIRABAYASHI, TAKAYUKI;SHIGEI, HIROYUKI;ISHIKAWA, RIKIYA;TOGASAKI, YU;KOZAKAI, OSAMU
分类号 G04R60/04;H01Q1/27;H01Q1/48;H01Q9/14;H01Q21/28 主分类号 G04R60/04
代理机构 代理人
主权项
地址