发明名称 |
Digital television broadcast signal receiver |
摘要 |
When a multi-directional antenna is connected to a digital TV broadcast signal receiver, the digital TV broadcast signal receiver measures a term suitable for switching or changing an effective signal receiving direction of the multi-directional antenna corresponding to kind or specification of the multi-directional antenna. Control signals are outputted at an interval suitable for switching or changing the effective signal receiving direction of the multi-directional antenna corresponding to the measured term so as to switch the effective signal receiving direction of the multi-directional antenna to an optimum signal receiving direction of a channel chosen by a user. Consequently, it is possible to shorten a term necessary for switching or changing the effective signal receiving direction of the multi-directional antenna to the optimum signal receiving direction of the channel chosen by the user.
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申请公布号 |
US7681218(B2) |
申请公布日期 |
2010.03.16 |
申请号 |
US20050116381 |
申请日期 |
2005.04.28 |
申请人 |
FUNAI ELECTRIC CO., LTD. |
发明人 |
TAKAGI TOSHIHIRO;KAWAI MASANORI;YAMAMOTO NAOKI |
分类号 |
G01S3/18;G01S3/28;H01Q1/12;H01Q3/24;H04B1/16;H04B1/18;H04B7/10;H04N5/44;H04N5/50;H04N7/173 |
主分类号 |
G01S3/18 |
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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