Apparatus and method for detecting vertical blanking interval

Apparatus and method for detecting vertical blanking...

Apparatus and method for processing additional information...

Apparatus for detecting data in a vertical blanking period...

Apparatus for generating a detection clock for detecting digital

Auxiliary digital data extractor in a television

Auxiliary video data detector and data slicer

Auxiliary video data slicer with adaptive slicing level capabili

Auxiliary video data slicer with adjustable window for detecting

Bandwidth efficient communication of user data in digital televi

Bandwidth efficient communication of user data in digital...

Bias control apparatus for a data slicer in an auxiliary video i

Broadcast signal receiver and tape recorder and, method of detec

Broadcasting data receiving apparatus

Caption data processing apparatus for digital TV

Caption data processing circuit and method therefor

Caption line finding circuit for pictorial signal processor

Closed captioning data detection system and method

Closed captioning processing architecture for providing text dat

Closed-caption broadcasting and receiving method and apparatus s