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Image data encoding system and image inputting apparatus

  • US 6,424,726 B2
  • Filed: 07/17/2001
  • Issued: 07/23/2002
  • Est. Priority Date: 02/14/1997
  • Status: Expired due to Term
First Claim
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1. An image data encoding system for encoding digital image data in a predetermined encoding manner and outputting the resultant image data, which comprises:

  • an electronic watermark embedding means for embedding electronic watermark data selected from a plurality of types of electronic watermark data to said digital image data, wherein at least one of the plurality of types of electronic watermark data is predetermined electronic watermark data which does not affect said digital image data even if embedded in said digital image data.

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