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• What is PDMark technology?
  PDMark^® - Paper Data Mark is a unique patented technology for writing digital data to paper. PDMark technology was developed with the goal to bring the benefits of working with electronic documents into the world of paper documents. The ability to store digital data directly on paper creates a bridge between the worlds of paper and electronic documents.
  
  
• Where can PDMark technology be applied, and who is the target group?
  PDMark technology can be applied anywhere where paper documents are to be electronically processed and where its main features – protection of a document’s contents and its effective processing can be utilized. PDMark technology has found its way to public administration as well as to the private sector. 
  
  
• Which equipment do I need in order to use PDMark technology?
  PDMark technology does not pose high demands onto technological equipment. Common office equipment is sufficient: a printer (laser, or inkjet) with 600 dpi resolution and a common scanner with 200 dpi resolution.
  
  
• How does PDMark technology store data on paper?
  Data is written in the background of the document either in the whole area or in a selected portion as needed. The background of the document formed by PDMark marks can be overlaid with text or graphical elements. Moreover, PDMark technology can create images in the PDMark background in eight degrees of gray. PDMark can create graphics in the background in a watermark style, i.e. without interfering with the essential contents of the printed text.
  
  
• Is there any difference between a standard printed document and a document created with PDMark technology?
  The only difference between a final document and a document printed in the standard way is the fine gray background formed by tiny PDMark marks.
  
  
• Which data can I store using PDMark technology, and what is the capacity of one A4 sheet?
  PDMark technology can store any data converted into an electronic form onto paper. The capacity of one A4 sheet is approximately 40 kB, which, for example, represents ten pages of text in the doc format.
  
  
• What should I do if my document created with PDMark technology is damaged or I have just a copy of the original document?
  PDMark technology is also able to reconstruct the original stored content from a substantially damaged document. The ability to restore the original text depends on the extent of the damage and the amount of the data stored into the background of one sheet of paper. The bigger amount of data we store, the bigger undamaged portion of the original paper we will need to recover the data. PDMark technology is able to successfully cope with damage like a scribbled over document, stained document, physically incomplete document with a torn off portion, soaked and dried up document. PDMark technology can also read data from a copy. However, the copy needs to be of good quality.

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