发明名称 TRANSMISSION AND RECEPTION UNIT
摘要 <p>PROBLEM TO BE SOLVED: To provide a transmission and reception unit capable of improving antenna gain by making the electrical length of a ground conductor connected to the ground end of an antenna long. SOLUTION: This transmission and reception unit can obtain the electrical length L ofλ/4 length, improves the antenna gain and provides satisfactory transmission and reception sensitivities even when the transmission and reception unit is made small in such a manner that a first corner part 20 of a cover 14 located in the vicinity of the transmission and reception ends 7 and 8 and the ground end 9 of the antenna 4 or a part near the corner part 20 is soldered to a wiring pattern 2c for nongrounding to make the electrical length L of the ground conductor from the ground end 9 long.</p>
申请公布号 JP2002232221(A) 申请公布日期 2002.08.16
申请号 JP20010021520 申请日期 2001.01.30
申请人 ALPS ELECTRIC CO LTD 发明人 JINUSHI SATORU
分类号 H01Q1/24;H01Q1/36;H01Q1/38;H01Q1/52;H01Q23/00;H04B1/38;(IPC1-7):H01Q1/38 主分类号 H01Q1/24
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