发明名称 Frequency converter
摘要 A frequency converter comprises a frequency converting circuit, and filters which are input and output functional with respect to the frequency converting circuit for passing input and output frequency waves respectively and which have different passing frequency bands. A single terminal is provided for the frequency converter, through which reception of the input frequency wave to the input functional filter and delivery of the output frequency wave from the output functional filter are effected.
申请公布号 US4327445(A) 申请公布日期 1982.04.27
申请号 US19790056472 申请日期 1979.07.11
申请人 HITACHI DENSHI KABUSHIKI KAISHA 发明人 TANAKA, MASAFUMI
分类号 H03D7/00;H03D7/12;(IPC1-7):H04B1/04;H04B1/28 主分类号 H03D7/00
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