发明名称 Solid state subscriber selection switches for wired broadcasting systems
摘要 A switch is disclosed which comprises a pair of diodes connected in series with opposed polarities, and a solid state device for applying potentials to the connection between the diodes to render the diodes either conductive or non-conductive. The switch may be used in a wired broadcasting system to connect a subscriber to a program source.
申请公布号 US4058770(A) 申请公布日期 1977.11.15
申请号 US19750613981 申请日期 1975.09.17
申请人 COMMUNICATIONS PATENTS LIMITED 发明人 GARGINI, ERIC JOHN
分类号 H04Q3/52;H03K17/74;H03K17/76;H04H20/76;H04N7/16;(IPC1-7):H04B3/50 主分类号 H04Q3/52
代理机构 代理人
主权项
地址