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SLIM TRANSMISSION/RECEPTION DEVICE
申请公布号：JP2007019950(A)
申请号：JP20050200209
申请日期：2005.07.08
申请公布日期：2007.01.25
发明人：SASAKI NOBUHIKO
分类号：H01Q21/28;H01Q7/08
主分类号：H01Q21/28
摘要：PROBLEM TO BE SOLVED: To provide a slim transmission/reception device as a slimmer mobile transmitter/receiver of a passive remote key-less entry device. SOLUTION: The first loop antenna pattern 32 is formed so as to wind a base 31a. The second loop antenna pattern 33 is formed to wind a base 31b. The winding direction (arrow A) of the first loop antenna pattern 32 and the winding direction (arrow B) of the second loop antenna pattern 33 are almost orthogonal mutually. At the central portion of the main surface of the base 31a, an air-core loop antenna pattern 34 used as a "Z"-direction sensor is formed. The air-core loop antenna pattern 34 is formed so as to have a non-wiring area 34a and to wind around the non-wiring area 34a. COPYRIGHT: (C)2007,JPO&INPIT
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