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
DFPase enzymes from Aplysia californica
Context-sensitive views
Process for the production of alcohol
Resist underlayer film forming composition for lithography, containing aromatic fused ring-containing resin
Liquid crystal display device
Devices, systems, and methods for tactile feedback and input
Illumination apparatus
  Randomly Featured Patents
Stimulatory device support apparatus
Secure on-line authentication system for processing prescription drug fulfillment
Treated pentachlorophenol
Personal table
Method and apparatus for starting a parallel-tuned current fed inverter
Conductive magnetic toner
Method of dyeing tufted pile products in a predetermined pattern
Video editing system
Optical coupler
Combined self shielded gradient coil and shimset