Patent US 4808879A
Jump to navigation
Jump to search
| Patent number | US 4808879A (click link for details and documents via Google Patents) |
|---|---|
| Title | Post-deflection acceleration and scan expansion electron lens system |
| Inventors | Scott A. Maxson, John H. Sonneborn |
| Assignee | Tektronix Inc |
| Filing date | 1987-06-05 |
| Grant date | 1989-02-28 |
Cited By:
| Patent | Title | Inventors | Assignee | Granted |
|---|---|---|---|---|
| Patent US 5134337A | Projection lens assembly for planar electron source | Keith F. Kongslie • Gary Nelson • Duncan F. Hughes | Tektronix Inc | 1992-07-28 |