发明名称 Disposition for satellite direct reception of television programmes.
摘要 <p>There is described a disposition for satellite direct reception of television programmes, comprising an external terminal station, constituted a parabolic antenna and by a signal converter from 12 GHz downto 1-2 GHz, and an internal unit, which performs the function of amplifier and signal converter, in order to make the signal receivable by a normal domestic television set; said unit comprising a plurality of converters, each one of them receiving said 1-2 GHz signal and converting it to a channel in the VHF-UHF band; the main characteristic of the invention is represented by the fact that the number of said converters comprised in said internal unit is less than the number of the channels receivable by said external terminal station and that there are provided selection and control means in order to choose the desired channels among the receivable channels and send them to said converters.</p>
申请公布号 EP0288928(A2) 申请公布日期 1988.11.02
申请号 EP19880106498 申请日期 1988.04.22
申请人 SOCIETA ITALIANA PER LO SVILUPPO DELL'ELETTRONICA S.I.SV.EL S.P.A. 发明人 DINI, ROBERTO;FARINA, ATTILIO
分类号 H04N7/20;H04H40/90;H04N7/173 主分类号 H04N7/20
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