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  1. Copilot Answer

    Helical scan - Wikipedia

    • Helical scan is a method of recording high-frequency signals on magnetic tape, used in open-reel video tape recorders, video cassette recorders, digital audio tape recorders, and some computer tape drives. With this technique, magnetic tape heads (or head chips) are placed on a rotating head drum, which moves the chips at high speed by due to its high … See more

    Types

    There are several types of helical scan. These include:
    • Alpha wrap (α), in which the tape is wrapped around the drum in a full, 360 degree fashion.
    • Omega wrap (Ω), in which the tape is … See more

    History

    Earl Edgar Masterson from RCA patented the first helical scan method in 1950. German engineer Eduard Schüller developed a helical scan method of recording in 1953 while working at AEG. With the ad… See more

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