发明名称 Information distribution system
摘要 A system is provided for distributing coded time or other information signals through the electrical gridwork of a facility such as a home, office, factory, or mobile vehicle for purposes of information display and/or control and monitoring of equipment and activities thereof.
申请公布号 US4602340(A) 申请公布日期 1986.07.22
申请号 US19820427488 申请日期 1982.09.29
申请人 RESEARCH ACTIVITIES, INCORPORATED 发明人 APPELBERG, GUSTAF T.
分类号 H02J13/00;(IPC1-7):G05D27/02;H04M11/00;H04B3/54 主分类号 H02J13/00
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