(19)
(11) EP 0 972 213 A1

(12)

(43) Date of publication:
19.01.2000 Bulletin 2000/03

(21) Application number: 98913943.1

(22) Date of filing: 30.03.1998
(51) International Patent Classification (IPC)7G01V 5/02
(86) International application number:
PCT/GB9800/951
(87) International publication number:
WO 9844/364 (08.10.1998 Gazette 1998/40)
(84) Designated Contracting States:
BE CH DE ES FI FR IT LI NL SE
Designated Extension States:
LT LV

(30) Priority: 02.04.1997 GB 9706659

(71) Applicant: AEA Technology plc
Didcot,Oxfordshire OX11 0RA (GB)

(72) Inventors:
  • STEVENS, Michael, Peter
    Oxfordshire OX11 9JX (GB)
  • DAVIES, Michael, Mark
    Berkshire RG14 1XQ (GB)
  • MAY, Norman, Allan
    Henley-on-Thames,Oxfordshire RG9 6AQ (GB)

(74) Representative: Mansfield, Peter Turquand et al
AEA TechnologyPatents Department329 Harwell
Didcot, Oxfordshire OX11 0RA
Didcot, Oxfordshire OX11 0RA (GB)

   


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