Patent Number: 6,337,930

Title: Image processing apparatus and method for extracting predeterminedadditional information from digital image data representing an original

Abstract: The subject matter of the invention is to add information to image data ofmulticolor image and monochromatic image. An image processing apparatuscapable of adding information on raw data performs a dispersion conversionon the spectrum of the additional information by multiplying a codesequence of the PN sequence generator 114 by the additional data which isinputted from the input terminal 111 and converted into serial data in P/Sconverter 112. At this time, the data sequence transmitted from the imagesignal processor 102 to the printer engine 107 is converted by the scanconverter 109 to correspond to the spatial axis for desperation. Theconverted data sequence is added to the output from the adder 113 by theadder 110, and reconverted to the original scan by the scan inverter 115.

Inventors: Owada; Mitsuru (Yokohama, JP), Nagashima; Yoshitake (Chigasaki, JP), Kimura; Takeo (Yokohama, JP)

Assignee:

International Classification: H04N 1/32 (20060101); G06K 009/36 (); H04N 001/387 (); H04N 001/40 (); H04N 001/46 ()

Expiration Date: 01/08/2014