Resources Contact Us Home
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
Basket option hedging method
Method for preparing (R)-3-(3-fluoro-4-(1-methyl-5,6-dihydro-1,2,4-triazin-4(1H)-yl)phenyl)-5-- (substituted methyl)oxazolidin-2-one derivatives
Method of controlling braking in a vehicle
Method and apparatus for generating and analyzing ions
System, method and apparatus for protecting a network or device against high volume attacks
Audio content enhancement using bandwidth extension techniques
  Randomly Featured Patents
Method for reducing electromagnetic interference (EMI) in a universal serial bus transmission system
Applications of light-emitting nanoparticles
Hand-held power tool
Cigarette lighter holder
Diagnostic specimen collector
Structure and method with which to generate data background patterns for testing random-access-memories
Precision fruit processing and premium packing system
Engine valve, method of manufacturing same, and cylinder head incorporating same
Polyproplene-high trans 1,4-polybutadiene blends
Electronic apparatus with flexible cable interconnect having independently movable member supported on tab portions