History
...A tested videotape recorder at NBC. Tape speed is reduced from 360 ips to 240 ips to give a longer recording time. Bing Crosby Enterprises fixed-head videotape recorder system now running at 360 ips and then 240 ips with five tracks on half-inch tape. Plays red, green, blue and has sync and FM sound. 1956-1957: RCA develops a prototype home videotape recorder with two fixed heads and quarter-inch tape capable of 15 minutes of recording. Called "See-Hear Home Video System" By the end of 1956, 13 quadruplex video tape recorders have been installed at TV stations. In 1957-Tape is interchangeable from one VTR to another for the first time. Ampex VTR machines become available, costing around $45,000. . 1962-1970: There are 951 VTRs in use worldwide. Sony marketed first home VTR for $995, open reel 1/2-inch helical scan deck. Toshiba demonstrates a helical VTR. JVC of Japan sells the first helical VTR. Ampex demonstrates electronic video tape editing. First home videotape recorder appea...