A teletext decoder arrangement comprises a page memory (PM) operable under the control of a data acquisition circuit (DAC) for storing a teletext page to be displayed, and a background memory (BM) in which teletext data packets are stored in the order in which they are received, a scanning circuit (SC)...http://www.google.fr/patents/US5208671?utm_source=gb-gplus-shareBrevet US5208671 - Teletext decoder arrangement
