Picture coding system for document image

Picture combining apparatus

Picture contrast-increasing arrangements

Picture control system for video cassette tape recorder

Picture data communication system with scanning pattern change

Picture data compressing and recording apparatus for recording c

Picture data compressing method

Picture data encoding circuit with compression responsive to the

Picture data printing apparatus and print picture data generatin

Picture data processing 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 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