A Versatile Method for Digitizing the Information on Oscilloscope Photographs
George E. Busch, R. P. Jones, M. R. Topp, Peter M. Rentzepis · Review of Scientific Instruments · 1972
A simple and inexpensive technique is presented whereby the analog data on a photograph obtained in standard oscilloscope experiments may be digitized. The automatic system is much faster than manual digitizing when a large number of data points must be analyzed. It is also versatile enough to allow several levels of sophistication, depending on individual requirements of speed, accuracy, and expense.