Area judging apparatus

Area specifying signal generation device using output video sign

Arrangement for color picture scanning

Arrangement for color picture scanning

Arrangement for detecting to which channel a television set is t

Arrangement for efficient characterization of printing devices a

Arrangement for multiplexing luminance and chrominance code word

Arrangements for modifying signals indicative of anamorphic imag

Arrangements for testing color television systems

Artificial front porch insertion circuit

Aspect ratio conversion of television display

Aspect ratio improvement for compatible high-definition televisi

Aspheric projection lens system utilizing concave image

Assist channel coding with character classifications

Assist channel coding with vertical block error correction

Asymmetrical digital filters for dot gain adjustments

Asynchronous color image processing system with a plurality of p

Atmospheric obscurant penetrating target observation system with

Audience rating measuring system

Audience rating measuring system for television and video tape r