×

Image forming apparatus and copy management system

  • US 5,671,277 A
  • Filed: 10/21/1994
  • Issued: 09/23/1997
  • Est. Priority Date: 06/30/1992
  • Status: Expired due to Term
First Claim
Patent Images

1. An image forming apparatus comprising:

  • a memory which stores image data;

    an embedding device which embeds additional data into said image data stored in said memory, said additional data comprising a plurality of pixels having a density different from pixels of said image data and embedded in said image data in a prescribed format to indicate information by distances between pixels of said plurality of additional data pixels; and

    an image forming device which forms an image on a paper according to said image data and said additional data embedded in said image data by said embedding device,wherein said additional data includes data which indicates a starting position of said additional data embedded in said image data.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×