(19)

(11)

EP 1 204 904 A1

(12)

(43) Date of publication: 15.05.2002 Bulletin 2002/20 (21) Application number: 00952251.7 (22) Date of filing: 28.07.2000

(51) International Patent Classification (IPC)7: G05B 19/02 (86) International application number: PCT/US0020/558 (87) International publication number: WO 0109/691 (08.02.2001 Gazette 2001/06)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 30.07.1999 US 146620 P (71) Applicant: The Chamberlain Group, Inc. Elmhurst,Illinois 60126 (US)	(72) Inventors: CRIMMINS, Terence Northport, NY 11768 (US) NGUYEN, Mickey Patchogue, NY 11772 (US) (74) Representative: HOFFMANN - EITLE  Patent- und RechtsanwälteArabellastrasse 4 81925 München 81925 München (DE)