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公开(公告)号:US11901647B2
公开(公告)日:2024-02-13
申请号:US17298949
申请日:2018-12-13
发明人: Yoshiaki Hiraoka , Yuichiro Suzuki , Takayoshi Ito , Tomihiro Omuro , Toru Ozone , Jin Sato
摘要: To optimize space efficiency in mounting a plurality of antennas compatible with different frequencies.
According to the present disclosure, provided is an antenna device including a first antenna that operates at a first frequency, and a second antenna that is provided adjacent to the first antenna, operates at a second frequency lower than the first frequency, and has a ground potential connected to a grounding wire provided at the first antenna.-
公开(公告)号:US12062848B2
公开(公告)日:2024-08-13
申请号:US17288922
申请日:2018-11-09
发明人: Yuichiro Suzuki , Takayoshi Ito , Tomihiro Omuro , Toru Ozone , Jin Sato , Yoshiaki Hiraoka
摘要: To provide a technology that can suppress the reduction of an antenna gain while maintaining the quality of the design of the exterior furnishing of the antenna.
Provided is an antenna apparatus including: an antenna module that includes a first slot antenna that transmits or receives a first wireless signal, a first feed element that supplies power to the first slot antenna, a second slot antenna that transmits or receives a second wireless signal having a polarization direction orthogonal to a polarization direction of the first wireless signal, and a second feed element that supplies power to the second slot antenna; and a metal plate that includes a first slot, and a second slot a longitudinal direction of which is orthogonal to a longitudinal direction of the first slot.-
公开(公告)号:US11881619B2
公开(公告)日:2024-01-23
申请号:US17299805
申请日:2018-12-13
发明人: Yoshiaki Hiraoka , Yuichiro Suzuki , Takayoshi Ito , Tomihiro Omuro , Toru Ozone , Jin Sato
摘要: [Problem] To prevent radiation waves from being reflected inside a casing when a plurality of antennas compatible with different frequencies are mounted. [Solution] According to the present disclosure, provided is an antenna apparatus including a first antenna that operates at a first frequency, and a second antenna that is arranged on an outer side of a casing relative to the first antenna, that operates at a second frequency lower than the first frequency, and that includes an opening in a radiation direction of the first antenna.
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