Transmissions using cameras based on the iconoscope began on January 15, 1936. The "image iconoscope" ("Superikonoskop" in Germany) was produced as a result of the collaboration. He proposes two kinds of fast memory, delay line and Iconoscope tube. The image iconoscope (Superikonoskop in Germany) was produced as a result of the collaboration. Zworykin first presented his iconoscope to RCA in 1932. An all-electronic system was adopted in the 1930s using a domestically developed iconoscope system. The two key advances were Philo Farnsworth's electronic scanning system, and Vladimir Zworykin's Iconoscope camera. At the Olympic summer games, orthicon tubes supplanted the earlier iconoscope tubes. There were two fixed monochrome iconoscope cameras and a single play-by-play commentator, Skip Walz.