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John Charles Jackson Patents |
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Inventor: Jackson; John Charles
Address: Clifton Forge, VA
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6891629 |
Method and apparatus for detecting a substrate feature |
May 10, 2005 |
| The invention is directed to a method and apparatus for detecting a substrate feature. A sensor is secured opposite the substrate. The sensor emits a signal onto the surface of the substrate. The sensor detects the amount of signal reflected from the substrate. The sensor is programmed |
| 6483587 |
Gap/edge bead detection system |
November 19, 2002 |
| This invention relates to gap/edge bead detection systems. Such structures of this type, generally, employ the use of fiber optic sensor assemblies positioned at the edges of the web and/or between gaps in the sheets in order to detect the absence of material. |
| 4103577 |
Shears |
August 1, 1978 |
| A shearing device for cutting rod of the type comprising a pair of coplanar discs with projecting blades has the blades mounted in grooves in the discs so that the tips of the blades can be moved into and out of the path of the rod, thereby enabling the discs to rotate continuously and t |
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