(19)
(11) EP 0 162 099 A1

(12)

(43) Date of publication:
27.11.1985 Bulletin 1985/48

(21) Application number: 85900263.0

(22) Date of filing: 24.10.1984
(51) International Patent Classification (IPC): 
G01S 5/ 14( . )
G01S 11/ 08( . )
G01S 11/ 00( . )
(86) International application number:
PCT/US1984/001726
(87) International publication number:
WO 1985/002023 (09.05.1985 Gazette 1985/11)
(84) Designated Contracting States:
DE FR GB

(30) Priority: 24.10.1983 US 19830544886

(71) Applicant: OFFSHORE NAVIGATION, INC.
Harahan, LA 70183 (US)

(72) Inventors:
  • CHRISTY, Edmund, H.
    Metairie, LA 70005 (US)
  • ROUQUETTE, Robert, E.
    New Orleans, LA 70119 (US)
  • VAN DOREN, Lawrence
    San Diego, CA 92117 (US)

(74) Representative: Kirk, Geoffrey Thomas 
BATCHELLOR, KIRK & CO. 2 Pear Tree Court Farringdon Road
London EC1R 0DS
London EC1R 0DS (GB)

   


(54) HIGH FREQUENCY SPREAD SPECTRUM POSITIONING SYSTEM AND METHOD THEREFOR