(19)
(11)
EP 0 304 477 A1
(12)
(43)
Date of publication:
01.03.1989
Bulletin 1989/09
(21)
Application number:
88903040.0
(22)
Date of filing:
07.03.1988
(51)
International Patent Classification (IPC):
G01N
21/
88
( . )
G01N
21/
952
( . )
(86)
International application number:
PCT/US1988/000660
(87)
International publication number:
WO 1988/007190
(
22.09.1988
Gazette 1988/21)
(84)
Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE
(30)
Priority:
09.03.1987
US 19870023324
(71)
Applicant:
BATTELLE MEMORIAL INSTITUTE
Columbus Ohio 43201-2693 (US)
(72)
Inventors:
BRENDEN, Byron, B.
Richland, WA 99352 (US)
PETERS, Timothy, J.
Richland, WA 99352 (US)
(74)
Representative:
Dousse, Blasco, et al
7, route de Drize
CH-1227 Carouge/Genève
CH-1227 Carouge/Genève (CH)
(54)
OPTICAL INSPECTION SYSTEM FOR CYLINDRICAL OBJECTS