发明名称 |
ANTENNA DEVICE, RADIO RECEPTION DEVICE, AND RADIO TRANSMISSION DEVICE |
摘要 |
There are provided an antenna deice, a signal reception device, and a signal transmission device utilizing an antenna element having a microstrip structure and coplanar structure and using a superconductive material. The antenna device, the signal reception device, and the signal transmission device realize improvement of a directivity gain, reduction of size, and reduction of power consumption. The antenna device includes: a planar antenna element; an adiabatic vessel having a radio window for transmitting electric waves, containing the planar antenna element, and insulating heat from outside; a waveguide arranged in the adiabatic vessel between the radio window and the antenna pattern formation plane of the planar antenna element; and cooling means for cooling the planar antenna element. The waveguide has a shape and dimensions which intensify the directivity of the planar antenna element and a superconductive film is used for the antenna pattern of the planar antenna element. |
申请公布号 |
WO2005062424(A1) |
申请公布日期 |
2005.07.07 |
申请号 |
WO2003JP16235 |
申请日期 |
2003.12.18 |
申请人 |
FUJITSU LIMITED;YAMANAKA, KAZUNORI;SHIGAKI, MASAFUMI;NAKAZAWA, ISAO |
发明人 |
YAMANAKA, KAZUNORI;SHIGAKI, MASAFUMI;NAKAZAWA, ISAO |
分类号 |
H01Q9/04;H01Q13/02;H01Q13/08;H01Q21/06 |
主分类号 |
H01Q9/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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