Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Protection method for preventing hard copy of document from being released or reproduced










Image Number 9 for United States Patent #8085972.

A protection method for preventing a hard copy of a document from being released or reproduced is provided. The protection method comprises: selecting a pattern with a closed contour line and utilizing a level set method to process the pattern to generate at least a watermark; and embedding the watermark into the document. In addition, the protection method can further comprise: detecting the hard copy of the document to determine whether at least a watermark exists in the hard copy of the document; and forbidding releasing or reproducing the document when the watermark is detected in the hard copy of the document.








 
 
  Recently Added Patents
Methods and compositions related to glucocorticoid receptor antagonists and breast cancer
Semiconductor arrangement with a solder resist layer
Architectural panel with natural fossil spade leaf embossed surface
Pointer display device, pointer display/detection method, pointer display/detection program and information apparatus
Drinking glass with ball embedded in base
Automated pizza preparation and vending system
Rotating sunlight/light beam for fractional/beneficial use
  Randomly Featured Patents
Gingerbread slot machine
Spotlight in particular for a motor vehicle and a reflector and an intermediate assembly part for such a spotlight
System and method for automating financial document compliance
Low stress polyimide composition and precursor composition solution of same
Method for treating waste waters
Compact camera and cable system for vehicular applications
Support assembly for radiators and air conditioning condensors
PCMCIA power interface
Method for preparing 3-cyanopropanol and 2-pyrrolidone
Articulating mounting unit for audio/visual devices or the like