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Inventor: Abbott; Stephen G.
Address: Market Harborough, GB
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4131918 |
Providing control signals for machine operations |
December 26, 1978 |
| There is described a method of guiding a machine as it moves relative to a surface, which is preferably the surface of a workpiece on which the machine is working, by selectively magnetizing a layer of magnetic material provided at or close to the surface so as to define a path of mo |
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