SWITCH CONTROL NETWORK SYSTEM

PURPOSE:To prevent mis-operation as to switching of a switch used for power supply due to a signal inputted from a terminal equipment by intention or carelessness. CONSTITUTION:The switch control communication network is provided with a band pass filter 8 passing only a signal of a frequency band us...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUMOTO TADASHI, NOGUCHI YOSHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION SELECTING
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Beschreibung
Zusammenfassung:	PURPOSE:To prevent mis-operation as to switching of a switch used for power supply due to a signal inputted from a terminal equipment by intention or carelessness. CONSTITUTION:The switch control communication network is provided with a band pass filter 8 passing only a signal of a frequency band used by a said terminal equipment to a terminal equipment other than a slave station 6 making switching of a switch 9b or a band stop filter blocking a signal of a frequency band of a switch control signal. Thus, even when a signal of the same frequency band as the switch control signal is inputted from a terminal equipment, since the signal is blocked by the band pass filter provided to the terminal equipment, mis-operation of the switch 9b by the said signal is prevented.