Patent US 3689752A
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| Patent number | US 3689752A (click link for details and documents via Google Patents) |
|---|---|
| Title | Four-quadrant multiplier circuit |
| Inventors | Barrie Gilbert |
| Company | Tektronix Inc |
| Filing date | 1970-04-13 |
| Grant date | 1972-09-05 |
Cited By:
| Patent | Title | Inventors | Assignee | Granted |
|---|---|---|---|---|
| Patent US 4032768A | Constant velocity vector generator | Michael Rieger | Tektronix Inc | 1977-06-28 |
| Patent US 4122528A | Integrator circuits for a constant velocity vector generator | Michael Rieger | Tektronix Inc | 1978-10-24 |
| Patent US 4322688A | Cascode feed-forward amplifier | Ken Schlotzhauer • Art Metz | Tektronix Inc | 1982-03-30 |
See Gilbert cell @ Wikipedia.