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This review of magnetic recording systems concentrates on developments in two particular areas: the video-tape recorder and the rigid disk drive. The consumer VCR represents the state of the art for analog in-contact recording, while the rigid disk drive exemplifies digital recording with rapid access. Various aspects of the mechanical configurations, track-following techniques, heads and media, and signal processing are discussed. More briefly the paper describes other digital systems on flexible media.
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Roger Wood (1986) studied this question.
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