Betamax
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Betamax is a consumer-level analog recording and cassette format of magnetic tape for video, commonly known as a video cassette recorder. It was developed by Sony and was released in Japan on May 10, 1975, followed by the US in November of the... Wikipedia
Invention date: May 10, 1975
Capacity: Up to 5 hours
Dimensions: 15.6 × 9.6 × 2.5 cm; (61⁄7 × 33⁄4 × 1 inch)
Discontinued: Recorders discontinued August 2002; Blank cassettes discontinued March 2016
Encoding: NTSC, PAL, SECAM
Extended to: VHS
Read mechanism: Helical scan
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