(19)
(11) EP 0 697 149 A1

(12)

(43) Date of publication:
21.02.1996 Bulletin 1996/08

(21) Application number: 93909299.0

(22) Date of filing: 09.04.1993
(51) International Patent Classification (IPC): 
G10K 11/ 178( . )
(86) International application number:
PCT/US1993/003354
(87) International publication number:
WO 1993/021688 (28.10.1993 Gazette 1993/26)
(84) Designated Contracting States:
DE FR GB IT NL

(30) Priority: 10.04.1992 US 19920866918

(71) Applicant: ACTIVE NOISE AND VIBRATION TECHNOLOGIES INC.
Phoenix, AZ 85040 (US)

(72) Inventor:
  • CHAIT, Jaime, I.
    Chandler, AZ 85224 (US)

(74) Representative: Cozens, Paul Dennis, et al 
Mathys & Squire 100 Grays Inn Road
London WC1X 8AL
London WC1X 8AL (GB)

   


(54) ACTIVE CANCELLATION OF NOISE OR VIBRATIONS