Accurate detection of a drastic change between successive pictur

Acoustic imaging system and method

Acousto-optical scanner

Acoustoelectric device for reading or processing a two-dimension

Acoustooptic image formation

Acoustro-electric scanner by phonon echo phenomenon

Active distortion elimination circuitry for a video disc player

Actuating mechanism for optical scanner

Actuating system for a rental television

Ad insertion system and method for broadcasting spot messages ou

Adaptable area for image storage

Adaptable housing for a video terminal

Adapter for raster output scanning printer

Adapter for rendering a non-addressable CATV converter addressab

Adapter for viewing and scanning images residing on...

Adapter with built-in shutter

Adaptive AFT system with variable step resolution

Adaptive architecture for video effects

Adaptive automatic gain control

Adaptive block classification scheme for encoding video images