Patent US 3857059A
Patent number | US 3857059A (click link for details and documents via Google Patents) |
---|---|
Title | Oscilloscope sweep system with two sweep generators having speed rate switches and sweep mode switches operated by a control knob |
Inventors | Les Larson |
Company | Tektronix Inc |
Filing date | 1973-06-01 |
Grant date | 1974-12-24 |