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Picture printing device

  • US 4,387,435 A
  • Filed: 08/29/1980
  • Issued: 06/07/1983
  • Est. Priority Date: 09/03/1979
  • Status: Expired due to Term
First Claim
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1. A picture printing device for printing pictures using a main scan and a sub scan and in which predetermined picture position data is simultaneously printed at predetermined coordinate positions with respect to main-scanning and sub-scanning start reference points comprising:

  • first comparison means for counting a number of picture elements in a main-scanning direction and comparing said number of picture elements thus counted with a first value preset in said first comparison means;

    second comparison means for counting the number of scanning lines in a sub-scanning direction and comparing said number of scanning lines thus counted with a second value preset in said second comparison means;

    means for printing and recording predetermined signals in response to combinations of outputs of said first comparison means and said second comparison means wherein the printing of said predetermined signals is accompanied by said predetermined picture position data, and means for utilizing said predetermined picture position data to correct the alignment of a re-read print output with respect to the horizontal and vertical axes of a recording medium.

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