EP 0046395 B1 19850213 - DIMMING SYSTEM FOR ELECTRIC DISCHARGE LAMPS
Title (en)
DIMMING SYSTEM FOR ELECTRIC DISCHARGE LAMPS
Publication
Application
Priority
GB 8026864 A 19800818
Abstract (en)
[origin: EP0046395A1] A lighting installation having at least one lamp unit (15) designed to incorporate one or more fluorescent electric discharge lamps (19) operable from an a. c. supply is associated with a remotely controllable device Fig. 1 for dimming the lamp or lamps, the device comprising a signal responsive means (3) responsive to signals superimposed on the a. c. mains supply to the lamp or lamps for controlling the light output thereof, and a remotely positioned control device (C) for generating said signals. A plurality of controllable devices may be controlled independently by a single control device, such that different parts of a room or building may be differently illuminated.
IPC 1-7
IPC 8 full level
H05B 41/04 (2006.01); H05B 41/392 (2006.01)
CPC (source: EP)
H05B 41/046 (2013.01); H05B 41/3924 (2013.01)
Designated contracting state (EPC)
DE FR NL
DOCDB simple family (publication)
EP 0046395 A1 19820224; EP 0046395 B1 19850213; DE 3168901 D1 19850328; GB 2082359 A 19820303; GB 2082359 B 19840222
DOCDB simple family (application)
EP 81303732 A 19810817; DE 3168901 T 19810817; GB 8125058 A 19810817