发明名称 RECEIVER AND MICROPHONE SYSTEM
摘要 PROBLEM TO BE SOLVED: To provide a receiver, in which a wide service area can be provided even when a digital microphone is used. SOLUTION: This system has a plurality of receiving processing circuits 10- 1 to 10- 4 provided corresponding to a plurality of antennas 2- 1 to 2- 4, in which digital signals transmitted from the microphone are received, for generating received signals S6- 1 to S6- 4 by amplifying and demodulating digital received signals S2- 1 to S2- 4 received by the respective correspondent antennas, a signal selector circuit 11 for selecting the received signal of highest received power out of the received signals S6- 1 to S6- 4, and a D/A converting circuit 12 for converting the relevant selected received signal S11 to an analog signal.
申请公布号 JP2003134015(A) 申请公布日期 2003.05.09
申请号 JP20010331536 申请日期 2001.10.29
申请人 TAMURA SEISAKUSHO CO LTD 发明人 KAJIYAMA ATSUSHI;HIWATARI MASATERU
分类号 H04R3/00;H04B7/08;(IPC1-7):H04B7/08 主分类号 H04R3/00
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