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FIELD: electric engineering. SUBSTANCE: device provides control of illumination appliances depending on presence of people in room. Device processes mismatch signals of capacitance bridges. Level of said signals is proportional to variation in capacitance of air in door space at entrance to room whe...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	SHAPIRO V.A
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY
Online-Zugang:	Volltext bestellen
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