Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Methods and apparatus for multi-level dynamic security system










Image Number 9 for United States Patent #7864959.

Methods and apparatus for converting original data into a plurality of sub-bands using wavelet decomposition; encrypting at least one of the sub-bands using a key to produce encrypted sub-band data; and transmitting the encrypted sub-band data to a recipient separately from the other sub-bands.








 
 
  Recently Added Patents
Shoe
Shallow trench media
Methods and apparatus for mitigating interference between co-located collaborating radios
Floor relief for dot improvement
Method and apparatus for optimizing transmission diversity
Data driver and liquid crystal display device using the same
Electrode structure and its manufacturing method, and semiconductor module
  Randomly Featured Patents
Methods and systems for managing data
Traction drive spindle device
Reflective cluster display with stowable viewing screen
Determining the time of arrival of a wireless signal
Variable focal lens
Bracket for flashlight
Endoscopic stone extraction device with rotatable basket
Spiral conveyor belt with ridged drive capstan
Valve cover system
Triple-lens type projection display with uniform optical path lengths for different color components