Data compression method having a fixed ratio of compression for

Data compression system for binary facsimile signals

Data compression using a feedforward quantization estimator

Data compression using orthogonal transform and vector quantizat

Data compression/expansion circuit for facsimile apparatus

Data controlling apparatus

Data conversion table changing

Data converter and image reader using the same

Data converting apparatus, method for converting data and...

Data correction subsystem and method for color image processing

Data decoder

Data decoding apparatus

Data decompressor circuit

Data disc optical reader containing a device for automatic data

Data display device

Data encoding for television

Data encoding for television

Data encoding system for rasterized fonts

Data encryption technique for subscription television system

Data formatter with orthogonal input/output and spatial reorderi