Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8017904 | Rotary encoder in which an absolute position is defined using reference mark signals produced by each of at least two readheads and method of operating the same | Joel Barnabas Chase, Thomas John Stickland | 2011-09-13 |
| 6772531 | Measurement apparatus including a track for a measurement scale and apparatus for tensioning the scale | James Reynolds Henshaw, Richard John Hoodless, Thomas I Mackintosh, David R. McMurtry | 2004-08-10 |
| 6701634 | Measurement apparatus including a track for a measurement scale and apparatus for tensioning the scale | James Reynolds Henshaw, Richard John Hoodless, Thomas I Mackintosh, David R. McMurtry | 2004-03-09 |
| 6588333 | Method for producing an optical scale | Michael Homer, James Reynolds Henshaw | 2003-07-08 |
| 6051971 | Scale reading apparatus with a magnetic sensor unit for adjusting relative phase of the quadrature pulses | — | 2000-04-18 |
| 5302820 | Opto-electronic scale reading apparatus having an array of elongate photo-sensitive elements and a periodic light pattern | James Reynolds Henshaw, Colin Keith Howley | 1994-04-12 |