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
Lentiviral gene transfer vectors and their medicinal applications
Data paths using a first signal to capture data and a second signal to output data and methods for providing data
Method of making an array of nucleic acid colonies
Fabrication of thin pellicle beam splitters
Scalable architecture for rank order filtering
Single-chain variable fragment (scFv) able to recognize and bind CD99 human protein
Apparatus and method for discharging capacitor of input filter of power supply, and power supply including the apparatus
  Randomly Featured Patents
Duct joining system
Turn-and-press type of wire connector
Optical system for observing equipment having image vibration compensation system
Mount for gems
Digital audio signal coding and/or deciding method
Active energy beam curable composition and printed wiring board
Forearm-mounted, adjustable exercise device
Road-surface friction-coefficient estimating device
Output buffer and method having a supply voltage insensitive slew rate
Computer method and apparatus for interacting with a physical system