Television sound detection system using a frequency translation

Television sound multiplex signal receiving device

Television sound mute circuit

Television sound receiver

Television sound receiver

Television sound receiver

Television sound receiving circuit for at least one sound channe

Television sound signal processing apparatus

Television sound signal processor

Television special effects arrangement

Television special effects circuit for wiping video signals

Television special effects generator

Television special effects system

Television standard conversion arrangement which converts direct

Television standards conversion

Television standards converters

Television standards converters

Television standards converters

Television standards converters for converting an input digital

Television standards converters using motion vectors correspondi