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Header sheet for image communications system

  • US 4,352,012 A
  • Filed: 02/22/1980
  • Issued: 09/28/1982
  • Est. Priority Date: 02/22/1980
  • Status: Expired due to Term
First Claim
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1. A document header sheet for an image communication transmission system having means for scanning successive document sheets in a raster of successive spaced substantially parallel lines, said header sheet having:

  • (a) a peripheral border, said border having a similar marking pattern along each edge of the sheet identifying said sheet as a header sheet when scanned by said scanning means, and variations in said pattern to identify the edge of such sheet that is the leading edge relative to said raster and;

    (b) specific marking areas within said peripheral border designed for identifying a pre-determined data group for communicating information to the image communication transmission system; and

    (c) marking areas designated for identifying predetermined addressee stations, and means responsive to the detection of a marking in said areas in relation to the position of scan in the raster for generating a signal indicative of one of said addressee stations.

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