发明授权
US06639555B1 Antenna unit, communication system and digital television receiver
失效
天线单元，通信系统和数字电视接收机
- 专利标题： Antenna unit, communication system and digital television receiver
- 专利标题（中）： 天线单元，通信系统和数字电视接收机
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申请号： US09486332申请日： 2000-05-31
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公开(公告)号： US06639555B1公开(公告)日： 2003-10-28
- 发明人: Joji Kane , Takasi Yosida , Noboru Nomura , Michio Sasaki , Akinori Yanase , Satoshi Yamada
- 申请人： Joji Kane , Takasi Yosida , Noboru Nomura , Michio Sasaki , Akinori Yanase , Satoshi Yamada
- 优先权： JP10-187967 19980702
- 主分类号： H01Q138
- IPC分类号： H01Q138
摘要：
An antenna device comprising a conductive earth substrate, a receiving element located in the proximity of said conductive earth substrate and having a receiving terminal, and a transmitting element located in the proximity of said receiving element and having a transmitting terminal, characterized in that an end of said receiving element and an end of said transmitting element are connected to said conductive earth substrate for grounding through a common portion and the frequency band of said receiving element is different from that of said transmitting element.
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