Device and process for producing a composite picture

Device for adjusting the black level of a video signal

Device for combining video signals which represent images having

Device for correcting DC of HDTV

Device for correcting the color of a television signal...

Device for reducing flicker defects

Device for reducing noise in a composite video signal

Device for regulating the contrast of video images

Device for reversing an image of an object

Device for the filtering of a video signal

Device for the generation of transfer functions defined by inter

Device for transparently displaying characters in a video system

Differential motion detection method using background image

Digital and analog television signal digitization and...

Digital and analog TV common-use receiver having single...

Digital automatic gain control (AGC) circuit

Digital automatic gain control, as for a receiver

Digital chrominance signal demodulating device

Digital chrominance signal processing circuit for converting bet

Digital color control and chroma killer device