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GROUND CONNECTION STRUCTURE OF SATELLITE BROADCASTING RECEIVING CONVERTER, SATELLITE BROADCASTING RECEIVING CONVERTER, AND SATELLITE BROADCASTING RECEIVING ANTENNA DEVICE
GROUND CONNECTION STRUCTURE OF SATELLITE BROADCASTING RECEIVING CONVERTER, SATELLITE BROADCASTING RECEIVING CONVERTER, AND SATELLITE BROADCASTING RECEIVING ANTENNA DEVICE
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机译:卫星广播接收转换器,卫星广播接收天线装置的接地连接结构
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摘要
PROBLEM TO BE SOLVED: To provide a ground connection structure of a satellite broadcasting receiving converter capable of improving reliability of the ground connection structure without incurring increase in a manufacturing cost, to provide a satellite broadcasting receiving converter using the ground connection structure, and to provide a satellite broadcasting receiving antenna device using the satellite broadcasting receiving converter.;SOLUTION: The ground connection structure includes a base board 2, and a frame 1 and a chassis 3 holding the base board 2 in between. A front surface side circuit pattern 5a is formed in a front surface side of the base board 2, and a back surface side ground pattern 5b is formed on the almost entire surface of the back surface side. The frame 1 is formed by die-casting, and provided with upper ribs 11 at a position corresponding to the front surface side circuit pattern 5a, projecting to a base board 2 side. The chassis 3 is also formed by die-casting. When the base board 2 is held by the frame 1 and the chassis 3 therebetween, solder 4 is interposed between the upper ribs 11 of the frame 1 and the front surface side circuit pattern 5a.;COPYRIGHT: (C)2009,JPO&INPIT
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