发明名称 Data retrieval system and method
摘要 A data retrieval system and method is associated with an existing load management system and includes an encoder coupled to an information generating device associated with the load system being managed and a signal generator is coupled to the encoder. A control is coupled to the load management system and is operable upon the receipt from said system of a predetermined signal to couple to a telephone line and dial a predetermined number at the data center. The control is also operable to actuate the encoder for transmitting data by means of a signal generator over the telephone line to the data center upon receipt therefrom of a recognition signal.
申请公布号 US4321582(A) 申请公布日期 1982.03.23
申请号 US19800129388 申请日期 1980.03.11
申请人 BANGHART, THOMAS S. 发明人 BANGHART, THOMAS S.
分类号 H02J3/14;H02J13/00;H04M11/00;(IPC1-7):H04M11/02 主分类号 H02J3/14
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