Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819218 | Quasi-constant linear-velocity disk having corresponding radii of adjacent annular zones related by a rational number for distributing prerecorded indicia to form a coherent write clock signal | — | 1989-04-04 |
| 4811317 | Clock resynchronization after a track jump | Michael G. Fairchild | 1989-03-07 |