(19)

(11)

EP 0 452 347 A1

(12)

(43) Date of publication: 23.10.1991 Bulletin 1991/43 (21) Application number: 90900583.0 (22) Date of filing: 27.12.1989

(51) International Patent Classification (IPC):  G10H 1/ 18( . ) G10H 1/ 053( . ) G10H 1/ 20( . ) G10H 1/ 44( . ) G10H 1/ 00( . ) G10H 1/ 055( . ) G10H 1/ 36( . ) G10H 7/ 00( . ) (86) International application number: PCT/US1989/005703 (87) International publication number: WO 1990/007771 (12.07.1990 Gazette 1990/16)

(84) Designated Contracting States: AT BE CH DE ES FR GB IT LI LU NL SE (30) Priority: 03.01.1989 US 19890292966 (60) Divisional application: 97106076.9 / 0795850 (71) Applicant: HOTZ INSTRUMENTS TECHNOLOGY, INC. Los Angeles, CA 90064 (US)	(72) Inventor: HOTZ, Jimmy, C. Thousand Oaks, CA 91360 (US) (74) Representative: Barnard, Eric Edward, et al  BROOKES & MARTIN High Holborn House 52/54 High Holborn London WC1V 6SE London WC1V 6SE (GB)