(19)
(11)EP 0 344 291 A1

(12)

(43)Date of publication:
06.12.1989 Bulletin 1989/49

(21)Application number: 89900866.0

(22)Date of filing:  15.12.1988
(51)International Patent Classification (IPC): 
G01D 5/ 38( . )
(86)International application number:
PCT/GB1988/001110
(87)International publication number:
WO 1989/005964 (29.06.1989 Gazette  1989/14)
(84)Designated Contracting States:
CH DE FR GB IT LI SE

(30)Priority: 15.12.1987 GB 19870029246
13.08.1988 GB 19880019322

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

(72)Inventors:
  • McMURTRY, David, Roberts
    Gloucestershire GL12 7EF (GB)
  • STEPHENS, William, Frank, Noel
    Gloucestershire (GB)
  • PLEYDELL, Mark, Edward
    Wolverhampton (GB)

(74)Representative: Jackson, John Timothy, 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