(19)
(11)
EP 0 637 375 A1
(12)
(43)
Date of publication:
08.02.1995
Bulletin 1995/06
(21)
Application number:
93915111.0
(22)
Date of filing:
23.04.1993
(51)
International Patent Classification (IPC):
G01B
11/
30
( . )
G01B
11/
06
( . )
G01N
21/
21
( . )
G01N
21/
64
( . )
G01N
21/
93
( . )
G01J
3/
12
( . )
G01N
21/
84
( . )
F02K
9/
96
( . )
G01N
21/
17
( . )
G01N
21/
31
( . )
G01N
21/
88
( . )
G01N
21/
94
( . )
G01N
21/
59
( . )
(86)
International application number:
PCT/US1993/003831
(87)
International publication number:
WO 1993/022655
(
11.11.1993
Gazette 1993/27)
(84)
Designated Contracting States:
AT BE CH DE DK FR GB IT LI NL SE
(30)
Priority:
24.04.1992
US 19920873937
(71)
Applicant:
THIOKOL CORPORATION
Ogden Utah 84401 (US)
(72)
Inventors:
PEARSON, Lee, H.
Bear River, UT 84301 (US)
JOHNSON, Kendall, B.
Logan, UT 84321 (US)
DOYLE, Timothy, E.
Roy, UT 84067 (US)
(74)
Representative:
Johnstone, Helen Margaret, et al
Urquhart-Dykes & Lord Tower House Merrion Way
Leeds LS2 8PA
Leeds LS2 8PA (GB)
(54)
ACOUSTO-OPTIC TUNABLE FILTER-BASED SURFACE SCANNING SYSTEM AND PROCESS