Adjustable gamma controller

Adjustable overlay display controller

Adjustable potentiometer assembly for tuning multi-band televisi

Adjustable video sharpness circuit

Adjustment method, image reading device, and image forming...

Advanced compatible television system with auxiliary carrier

AFC circuit

AFC waveshaping circuit

AFPC Phase detector with no output from alternate sync pulses

AFT arrangement for a double conversion tuner

AFT Circuit

AFT circuit

AFT Circuit

AFT circuit for CATV receiver system

AFT Lockout prevention system

AFT summing circuit for varactor-type tuning systems

AFT-wide automatic frequency control system and method

AGC Arrangement for a television system

AGC circuit for double conversion digital television tuner

AGC Circuit responsive to intermediate gray level in video signa