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(11)

EP 0 788 647 A1

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(43) Date of publication: 13.08.1997 Bulletin 1997/33 (21) Application number: 96926785.0 (22) Date of filing: 26.07.1996

(51) International Patent Classification (IPC):  G10D 3/ 14( . ) (86) International application number: PCT/US1996/012315 (87) International publication number: WO 1997/005600 (13.02.1997 Gazette 1997/08)

(84) Designated Contracting States: DE FR GB IT PT (30) Priority: 26.07.1995 ES 19950000150 (71) Applicants: MARKLEY, Donald Dean Sant Clara, CA 95054 (US) Tapiz Huertas, Jose Ignacio 20015 Donostia (ES) Moledo Martinez, Roberto Carlo 20015 Donostia (ES)	(72) Inventors: TAPIZ HUERTAS, Jose Ignacio E-20015 Donostia (ES) MOLEDO MARTINEZ, Roberto Carlo E-20015 Donostia (ES) (74) Representative: Witte, Alexander, Dr.-Ing., et al  Witte, Weller, Gahlert, Otten & Steil, Patentanwälte, Rotebühlstrasse 121 70178 Stuttgart 70178 Stuttgart (DE)