OPTO-ELECTRONIC SCALE-READING APPARATUS - Patent 0428641

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EP 0 428 641 A1

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(43)	Date of publication:
	29.05.1991 Bulletin 1991/22

(21)	Application number: 90906323.0

(22)	Date of filing: 12.04.1990

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International Patent Classification (IPC):

G01D 5/ 38^{( . )}

(86)	International application number:
	PCT/GB1990/000566

(87)	International publication number:
	WO 1990/013006 (01.11.1990 Gazette 1990/25)

(84)	Designated Contracting States:
	CH DE FR GB IT LI SE

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Priority:

15.04.1989 GB 19890008593
07.06.1989 GB 19890013039

(71)	Applicant: Renishaw plc
	Wotton-Under-Edge Gloucestershire GL12 8JR (GB)

(72)	Inventors:
	McMURTRY, David, Roberts Gloucestershire GL12 7EF (GB) STEPHENS, William, Frank, Noel Badminton Gloucestershire GL9 1BD (GB)

(74)	Representative: Waite, John, et al
	Renishaw plc Patent Department New Mills Wotton-under-Edge Gloucestershire GL12 8JR Wotton-under-Edge Gloucestershire GL12 8JR (GB)

(54)	OPTO-ELECTRONIC SCALE-READING APPARATUS