PROCESS OF CONTROL OVER ELECTRON COMMUTATOR OF A C OUTPUT CIRCUIT AND DEVICE FOR ITS REALIZATION Russian patent published in 1995 - IPC

FIELD: electrical engineering. SUBSTANCE: invention provides convenient conditions of work for person switching lighting system on and off with the aid of sensors. In compliance with invention one and same sensor is acted on with actions following one after another when switching on and off with the help of phase-shifting unit to perform ignition of filament of switched-on lamp with receipt of sufficient information on operation of sensor and maintenance of illumination when person leaves room. EFFECT: provision of operational conveniences for operating personnel. 8 cl, 3 dwg