(19)
(11) EP 1 371 133 A2

(12)

(88) Date of publication A3:
16.10.2003

(43) Date of publication:
17.12.2003 Bulletin 2003/51

(21) Application number: 01983730.1

(22) Date of filing: 14.11.2001
(51) International Patent Classification (IPC)7H03F 1/30, H03F 3/45
(86) International application number:
PCT/IB0102/201
(87) International publication number:
WO 0204/3339 (30.05.2002 Gazette 2002/22)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 22.11.2000 RU 2000129797

(71) Applicant: Aleshin, Eugene Sergeyevich
Khabarovsk, 680006 (RU)

(72) Inventor:
  • Aleshin, Eugene Sergeyevich
    Khabarovsk, 680006 (RU)

(74) Representative: Benatov, Emil Gabriel, Dr. et al
Bl. 36B,Liuliakova gradina Str.
1113 Sofia
1113 Sofia (BG)

   


(54) METHOD FOR SOUND CHANNEL UPGRADING