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
Method and apparatus for increasing query traffic to a web site
Color imaging device
Light-emitting diode devices
Communication system and time synchronization method
Communication apparatus, integrated circuit, and communication method
Low drop-out regulator providing constant current and maximum voltage limit
  Randomly Featured Patents
Partially crystallizing ceramic enamel composition containing bismuth silicate, and use thereof
Method of suppressing the rise in surface temperature of heating tubes by ammonia injection
Fluid dispensing valve
Device for remote actuating equipment comprising delay means
Drug administration safety label
Invoking multiple SIP based services during a single communication session using resource lists
Multilayer film having improved heat sealing characteristics
Short hitch with variable geometry and linkage support bearings movable in a circular arc for so-called balanced trailers and semi-trailers
Composition and method for corrosion inhibition of metal surface with epoxy resin and an N-tallow-1,3-diaminopropane curing agent
Methods and apparatuses for detecting surge in centrifugal compressors