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Image processing apparatus with improved gamma-correction

  • US 4,700,236 A
  • Filed: 10/19/1984
  • Issued: 10/13/1987
  • Est. Priority Date: 10/26/1983
  • Status: Expired due to Term
First Claim
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1. An image processing apparatus comprising:

  • illumination means for illuminating an original image, said illumination means being capable of selecting a light intensity for irradiating the original image;

    photosensing means for reading the original image illuminated by said illuminations means to produce an electric data signal; and

    conversion means for converting characteristics of the data signal from said photosensing means into different characteristics, said conversion means having a plurality of modes for data conversion, said modes being changed over in accordance with the selected light intensity with which the original image is irradiated.

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