Resources Contact Us Home
Data compression using dummy codes

Image Number 5 for United States Patent #7256715.

Received data is compressed according to an algorithm, which is a modification of the conventional LZW algorithm. A limited number of hash values are formed, and a code memory is searched at locations corresponding to the hash values. If all of the locations contains a valid code, but none of them contains a valid code corresponding to a potential new code, a dummy code is created, and a counter, which indicates the number of codes created, is incremented. The algorithm can be implemented in parallel in hardware.

  Recently Added Patents
Multibranched polymer and method for producing the same
Suspension with flexure having laminated structure and bonding pads on opposing surfaces thereof, and head gimbal assembly and disk drive unit with the same
Methods for predicting cardiac toxicity
Semiconductor integrated circuit
Auto-provisioning of network services over an Ethernet access link
Compounds for the reduction of .beta.-amyloid production
Methods and systems for providing a business repository
  Randomly Featured Patents
Focusing error detector and optical data detecting device incorporating the focusing error detector
Discovery of phones on a network, such as a LAN
Toggle bar and shutter
Circuit board assembly for use in a central inlet chassis configuration
Wholly aromatic thermotropic polyesters
Folding guard rail for a platform
Port mounted implement selector
Method and a circuit for decoding four channel signals which are coded in a matrix and available in the form of a two-channel signal
Method and apparatus for sensing a vehicle crash using a displacement velocity metric
Clock monitor for use with VLSI chips