Integrating-phase lock method and circuit for synchronizing over

Integrator circuit for separating vertical sync pulses

Intelligent teletext decoder

Intelligent teletext decoder

Intensity calibration method for scene projector

Inter-car distance detecting device

Inter-frame adaptive prediction system for television signals

Inter-frame coding apparatus for video signal

Inter-frame decoding system with frame memories for uninterrupte

Inter-frame predictive coding apparatus for video signal

Inter-frame predictive encoding system with encoded and transmit

Interactive CATV system

Interactive television and data transmission system

Interactive television terminal with programmable background aud

Interactive video apparatus with audio and video branching

Interactive video method and apparatus

Intercarrier signal detection circuit for a television receiver

Intercarrier sound detecting apparatus for a television receiver

Intercarrier sound system

Interface circuit for video signal peaking control