作者: K. S. Lin , Shiv P. Verma
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摘要: A system for automatically collecting and storing utility data transmitting the stored from user premises to a remote location. The comprises interface means converting usage into signals that can be recorded microprocessor information controlling transmission of central is provided with controls insure power used only when functions are necessary delivery obtained by initiation telephone call at pre-determined times or collection area also without interferring users use conventional line.