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Video signal recording apparatus

  • US 5,038,219 A
  • Filed: 10/17/1990
  • Issued: 08/06/1991
  • Est. Priority Date: 10/31/1989
  • Status: Expired due to Term
First Claim
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1. An apparatus for recording a selected one of at least two different types of video signals characterized by different numbers of effective scanning lines and different durations of the video parts in the respective effective scanning lines, comprising:

  • analog-to-digital conversion means for converting an input video signal of said selected one type into corresponding digital signals;

    digital signal processing means for successively writing and reading, and thereby temporarily storing, samples of said digital signals from said analog-to-digital conversion means;

    digital-to-analog conversion means for converting digital signals read by said digital signal processing means into analog signals;

    recording signal processing means receiving said analog signals and processing the same to provide a recording signal for recording on a recording medium; and

    control means for said digital signal processing means operative to select the samples of said digital signals which are successively written, or read from said digital signal processing means so as to limit, in said recording signal, at least one of the number of said effective scanning lines and the duration of the video part in each said effective scanning line to the least of said different numbers of effective scanning lines and the shortest of said different durations, respectively, irrespective of the type of said input video signal.

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