Video switcher with preview system

Video switcher/effects generator

Video switcher/effects generator

Video switching

Video switching system

Video sync removal circuit

Video sync validity detector

Video synchronizing signal separator

Video system

Video system

Video system

Video system

Video system and method for displaying at least two images on a

Video system and method for presentation and reproduction of x-r

Video system for displaying lower resolution video signals on hi

Video system having an adjustable digital gamma correction for c

Video system having image combining function

Video system having video camera and video recorder therein

Video system using two different kinds of recording media

Video system with automatic power up