(19)

(11)

EP 1 678 466 A2

(12)

(88) Date of publication A3: 13.10.2005 (43) Date of publication: 12.07.2006 Bulletin 2006/28 (21) Application number: 04784089.7 (22) Date of filing: 13.09.2004

(51) International Patent Classification (IPC):  G01B 11/02(1968.09) (86) International application number: PCT/US2004/030115 (87) International publication number: WO 2005/028992 (31.03.2005 Gazette 2005/13)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 12.09.2003 US 502444 P (71) Applicant: Accent Optical Technologies, Inc. Bend, OR 97701 (US)	(72) Inventor: RAYMOND, Chris Bend, OR 97701 (US) (74) Representative: Wilson, Peter  Novagraaf Patents Limited, The Crescent, 54 Blossom Street York YO24 1AP York YO24 1AP (GB)