Magnetic duplication of video records

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Magnetic duplication of video records

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© The Institution of Electrical Engineers
Published

The magnetic printing process is explained, and some experiments are described showing how video records can be successfully duplicated. With this technique, a tape containing an hour of video (recorded transversely by a rotating-head system) can be copied in less than three minutes.

Inspec keywords: magnetic recording; video recording

Subjects: Video recording

References

    1. 1)
      • W.T. Frost , B.H. Singer . Increased area density in magnetic recording. Radio Electronic Engr. , 17 - 21
    2. 2)
      • E.D. Daniel , I. Levine . Experimental and theoretical investigation of the magnetic properties of iron oxide recording tape. J. Acoust. Soc. Amer. , 1 - 15
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      • R. Herr . Duplication of magnetic recordings by contact printing. Tele-Tech.
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      • D.W. Chapman . Optimizing the digital magnetic recording process. Proc. Inst. Elect. Electronics Engrs. , 247 - 248
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      • J.R. Ashworth . Phil. Mag.. Phil. Mag.
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