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专利名称：Frequency converting device发明人：Boehmlaender, Thomas,Scott, Michael申请号：EP90310730.8申请日：19901001公开号：EP0421708A2公开日：19910410
专利附图：
摘要：Frequency converting device particularly for satellite television receivers toexpand the available receiving range to include channels in the bands 950MHz to1120MHz and 1145MHz to 1750MHz by frequency converting the received channels tofrequencies acceptable to the existing receiver (in the range 1120MHz to 1145MHz). The
frequency converting device is attached to the front end of the existing receiver after thereceiving aerial.
申请人：PDS ELECTRONICS LIMITED
地址：134 Clayton Road Hayes, Middlesex, UB3 1BB GB
国籍：GB
代理机构：Skone James, Robert Edmund
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