Picture data encoding circuit with compression responsive to the

Picture data memory system for storing both black and white and

Picture data printing apparatus and print picture data generatin

Picture data processing device

Picture data reading device

Picture data recording/reproducing system for recording compress

Picture digitizing system using randomly varied binary threshold

Picture display and video signal processing circuit

Picture display apparatus

Picture display arrangement

Picture display device

Picture display device

Picture display device

Picture display device

Picture display device allowing separate selection and discernin

Picture display device arranged for displaying a mixed picture s

Picture display device comprising a field deflection circuit and

Picture display device comprising a noise detector

Picture display device including a field number conversion circu

Picture display device including a staircase generator