Patent US 3840813A
| Patent number | US 3840813A (click link for details and documents via Google Patents) |
|---|---|
| Title | Dynamic rms converter |
| Inventors | David William Allen, Hideki Iwata |
| Company | Tektronix Inc |
| Filing date | 1973-02-13 |
| Grant date | 1974-10-08 |
Related products:
| Manufacturer | Model | Description | Introduced | Designers |
|---|---|---|---|---|
| Tektronix | 213 | Miniature portable 1 MHz oscilloscope and TRMS digital multimeter | 1975 | Dave Allen • Gordon Meigs • John Pace • Jim Knowlton • Wendell Damm • Wayne Thomas • Ilmars Smiltins |