发明名称 Duplex modulator has modulator, carrier signal generator, amplifier stage and antenna, and information signal source is connected directly or indirectly with modulator by another modulator
摘要 <p>The duplex modulator has a modulator (4), a carrier signal generator (5), an amplifier stage and an antenna (7). An information signal source (1) is connected directly or indirectly with the modulator by another modulator (2). Another carrier signal generator (3) is arranged opposite to the former carrier signal generator of spectral low frequency. The latter modulator is actuated with a smaller modulation grade than the former modulator.</p>
申请公布号 DE102007050563(A1) 申请公布日期 2009.04.30
申请号 DE20071050563 申请日期 2007.10.23
申请人 BBR - BAUDIS BERGMANN ROESCH VERKEHRSTECHNIK GMBH 发明人 SCHMIDT, RAINER;BAUDIS, ARNE;HASE, RAINER
分类号 H03D1/02 主分类号 H03D1/02
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