Darkness-detecting web camera system

Data acquisition control method and system for a hand held reade

Data analysis device and data recognition device

Data base searching

Data communication apparatus and method having concurrent image

Data compression

Data compression by discarding portions of data

Data compression process

Data compression system

Data compression system

Data compression system

Data compression system and method

Data compression system including successive approximation quant

Data compression using block list transform

Data compression/decompression method, device and resulting data

Data converting apparatus having means for changing ornamental s

Data decompression system and method

Data encoding

Data encoding using one or more adaptive decision trees

Data entry and error embedding system