Patent ID: 6198468
Filing Date: 2001-03-06
Classification: H04N,Y10S

Abstract:
An apparatus for performing a plurality of on-screen display functions on a character, the apparatus comprising:control means for receiving user data and a system clock signal and generating serial data and a main clock signal;synchronous signal generating means coupled to said control means for receiving the main clock signal and a composite video signal, generating an equalization pulse and internal horizontal and vertical synchronous signals responsive to the main clock signal, generating an internal composite synchronous signal by synthesizing the internal equalization pulse with the internal horizontal and vertical synchronous signals, generating an external composite synchronous signal corresponding to the composite video signal, and generating a dot clock signal responsive to the internal or external composite synchronous signal;on-screen display means for receiving the serial data and either the internal or the external composite synchronous signal from the synchronous signal generating means, generating a character signal responsive to either the internal or the external composite synchronous signals, and providing the character signal to a monitor for displaying the character.