MONITORING OF OBJECTS IN AN OPTICALLY DENSE ATMOSPHERE - Patent 0313620

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EP 0 313 620 A1

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(43)	Date of publication:
	03.05.1989 Bulletin 1989/18

(21)	Application number: 88904178.0

(22)	Date of filing: 02.05.1988

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International Patent Classification (IPC):

G01S 17/ 06^{( . )}
G01S 7/ 481^{( . )}
G01S 17/ 10^{( . )}

C21B 7/ 24^{( . )}
G01S 7/ 487^{( . )}
G01S 17/ 88^{( . )}

(86)	International application number:
	PCT/AU1988/000128

(87)	International publication number:
	WO 1988/008546 (03.11.1988 Gazette 1988/24)

(84)	Designated Contracting States:
	AT BE CH DE FR GB IT LI LU NL SE

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Priority:

01.05.1987 AU 19870001692

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

(72)	Inventors:
	SCOTT, John, Christopher Merewether, NSW 2291 (AU) FYSH, Stuart, Alfred Olinda, VIC 3788 (AU)

(74)	Representative: Lerwill, John
	A.A. Thornton & Co. Northumberland House 303-306 High Holborn London, WC1V 7LE London, WC1V 7LE (GB)

(54)	MONITORING OF OBJECTS IN AN OPTICALLY DENSE ATMOSPHERE