In 1969, Sony introduced a prototype for the first widespread video cassette, the 3/4" (1.905 cm) composite U-matic system, which Sony introduced commercially in September 1971 after working out industry standards with other manufacturers. Sony later refined it to Broadcast Video U-matic or BVU. In the early years of the 70's there is for the English market a demonstration video. In this unique demo, we see no videotapes or a tape recorder, but a big studio. We see the new technology in chroma-key, lots of flowers and three women who promotes everything .... © 2011 Sony
