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 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|