EP 0346324 B1 19901227 - DEVICE FOR PRODUCING LIGHT EFFECTS
Title (en)
DEVICE FOR PRODUCING LIGHT EFFECTS
Publication
Application
Priority
AT 20587 A 19870202
Abstract (en)
[origin: WO8805685A1] A device for a loudspeaker (1) used at the same time to produce light effects has a membrane (2) and light sources (10). The opening of the membrane (2) is covered by a rotating perforated disk (5) and by a stationary perforated disk (6). The rotation of the rotating disk (5) produces the desired light effects by covering in a changeable manner the holes of both disks (5, 6). The rotation is effected by entrainment elements (11) secured to the membrane (2) and the free extremity of which lies on the rotating disk (4). The vibrations produced when the loudspeaker (1) is in operation cause said elements (11) to slide, their movement being transferred by frictional engagement to the disk (5), rotating the same.
IPC 1-7
IPC 8 full level
A63J 5/00 (2006.01); A63J 5/04 (2006.01); A63J 17/00 (2006.01); F21S 10/00 (2006.01); F21V 33/00 (2006.01); G09F 27/00 (2006.01); H04R 1/00 (2006.01); H04R 1/02 (2006.01)
CPC (source: EP KR)
A63J 17/00 (2013.01 - EP KR); F21S 10/007 (2013.01 - EP); F21V 33/0056 (2013.01 - EP); H04R 1/028 (2013.01 - EP)
Designated contracting state (EPC)
BE DE FR GB IT NL SE
DOCDB simple family (publication)
AT 385342 B 19880325; AT A20587 A 19870815; AU 610521 B2 19910523; AU 7870287 A 19880824; DE 3767166 D1 19910207; EP 0346324 A1 19891220; EP 0346324 B1 19901227; JP H02504111 A 19901129; JP H0434918 B2 19920609; KR 890700378 A 19890424; KR 920010815 B1 19921217; WO 8805685 A1 19880811
DOCDB simple family (application)
AT 20587 A 19870202; AT 8700049 W 19870827; AU 7870287 A 19870827; DE 3767166 T 19870827; EP 87905563 A 19870827; JP 50508687 A 19870827; KR 880701227 A 19881004