EIAJ-2 was a video tape format developed by the Electronic Industries Association of Japan and sold by Matsushita under the National or Panasonic brands, and also by Hitachi. The format is also referred to as Omnivision. It was introduced around 1972, as Billboard magazine refers to it being under development in August 1972, and in February 1973, Panasonic re-emphasised its commitment to the format.
It was a development of the open reel EIAJ-1 standard and used the same ½-inch tape and recording specifications. However, the tape was enclosed in a cartridge to do away with the need for manually threading it, but unlike later video cassette formats the take-up reel is enclosed within the video recorder so the cartridge needed to be rewound before the cartridge could be removed from the machine.
EIAJ-2 offered colour recording on 30 minute cartridges (a 60 minute cartridge came later, and appears to be rare) and was used in the industrial, educational and consumer markets.
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