(19)
(11) EP 0 053 142 A1

(12)

(43) Date of publication:
09.06.1982 Bulletin 1982/23

(21) Application number: 81901514.0

(22) Date of filing: 09.06.1981
(51) International Patent Classification (IPC): 
G01P 3/ 68( . )
G01P 3/ 80( . )
G01B 11/ 04( . )
(86) International application number:
PCT/AU1981/000070
(87) International publication number:
WO 1981/003708 (24.12.1981 Gazette 1981/30)
(84) Designated Contracting States:
AT DE FR GB LU NL SE

(30) Priority: 10.06.1980 AU 19800003975

(71) Applicant: THE BROKEN HILL PROPRIETARY COMPANY LIMITED
Melbourne, Victoria 3000 (AU)

(72) Inventors:
  • EVERETT, Jonathan, Richard
    Black Rock, Vic 3193 (AU)
  • Van HOEK, Hendrik Charles
    Nunawading, Vic. 3131 (AU)

(74) Representative: Abbie, Andrew Kenneth, et al 
A.A. THORNTON & CO. Northumberland House 303/306 High Holborn
London, WC1V 7LE
London, WC1V 7LE (GB)

   


(54) MEASUREMENT OF SPEED AND/OR LENGTH