EP 0069741 B1 19860312 - POSITIVELY CONTROLLED SOUND GENERATOR
Title (en)
POSITIVELY CONTROLLED SOUND GENERATOR
Publication
Application
Priority
SE 8007150 A 19801013
Abstract (en)
[origin: WO8201328A1] A positively controlled sound producer for regulated delivery of pressure gas pulses from a pressure gas line (7) to a resonator (1). The sound producer comprises a valve sleeve (9) which is disposed coaxially on the pressure gas line and is rotatably mounted thereon by means of roller bearings (10), said valve sleeve being connected to a prime mover (6) and being provided with openings (14) for cooperating with openings (15) in the pressure gas line when the valve sleeve is rotated for regulating the delivery of pressure gas pulses from the pressure gas line.
IPC 1-7
IPC 8 full level
G10K 7/02 (2006.01)
CPC (source: EP)
G10K 7/02 (2013.01)
Designated contracting state (EPC)
AT CH DE FR GB LI LU NL SE
DOCDB simple family (publication)
WO 8201328 A1 19820429; DK 152412 B 19880229; DK 152412 C 19880725; DK 250482 A 19820603; EP 0069741 A1 19830119; EP 0069741 B1 19860312; FI 71622 B 19861010; FI 71622 C 19870119; FI 823866 A0 19821111; FI 823866 L 19821111; NO 152589 B 19850715; NO 152589 C 19851023; NO 821858 L 19820604; SE 425597 B 19821018; SE 8007150 L 19820414
DOCDB simple family (application)
SE 8100296 W 19811013; DK 250482 A 19820603; EP 81902814 A 19811013; FI 823866 A 19821111; NO 821858 A 19820604; SE 8007150 A 19801013