作者: Donald W. Rouse , E. Thomas Wiggins , Lawrence B. Horwitz
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摘要: A bidirectional data communications distribution network is established between the system operations center (SOC) and customer terminals of a load management electrical energy system. The comprises independent processor controlled, primary interface units (PCI) in communication with SOC over telephone lines or other medium. Each PCI turn plurality secondary (SCI) utility power lines. Signals PCIs SCIs on are code division multiplexed using direct sequence spread spectrum (DSSS) signal processing. SCI continuously polls number assigned low voltage side system, storing calculating meter register readings status.