发明名称 WIRELESS DEVICE, ITS TRANSMISSION SYSTEM, AND PROGRAM
摘要 PROBLEM TO BE SOLVED: To provide a wireless device or the like which searches for an apparatus made applicable to communication, saves power consumption and suppresses interference to surrounding wireless communication devices by shortening the time of data communications. SOLUTION: The wireless device serving for radio communications includes: directional antennas 9 and 10; non-directional antennas 7 and 8; a search means for searching for an apparatus made applicable to communication by means of the non-directional antennas; and a directional antenna switch means for switching the non-directional antennas with the directional antennas after the apparatus made applicable to communication is searched by the above search means. COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2008042669(A) 申请公布日期 2008.02.21
申请号 JP20060216164 申请日期 2006.08.08
申请人 CANON INC 发明人 KOBAYASHI MASAHIKO
分类号 H04B7/26 主分类号 H04B7/26
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