(19)
(11) EP 0 416 006 A1

(12)

(43) Date of publication:
13.03.1991 Bulletin 1991/11

(21) Application number: 89906399.0

(22) Date of filing: 24.05.1989
(51) International Patent Classification (IPC): 
G01V 1/ 157( . )
G10K 15/ 06( . )
(86) International application number:
PCT/GB1989/000574
(87) International publication number:
WO 1989/011665 (30.11.1989 Gazette 1989/28)
(84) Designated Contracting States:
BE CH DE FR IT LI NL SE

(30) Priority: 27.05.1988 GB 19880012594

(71) Applicant: NATURAL ENVIRONMENT RESEARCH COUNCIL
Nottingham NG12 8GG (GB)

(72) Inventors:
  • CARREYETTE, Trevor, Walter
    Nottingham NG2 5HZ (GB)
  • PITCHER, Christopher
    Nottingham NG7 4AX (GB)
  • JACKSON, Peter, Douglas
    Nottingham NG12 2FT (GB)
  • McCANN, David, Michael
    Lincolnshire (GB)

(74) Representative: Gilding, Martin John 
Eric Potter & Clarkson St. Mary's Court St. Mary's Gate
Nottingham NG1 1LE
Nottingham NG1 1LE (GB)

   


(54) SEISMIC WAVE GENERATING APPARATUS