(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