A circuit for reducing the number of times a character read-only memory (ROM) in a video display must be accessed in order to display outlined characters. For each pixel on a scan line in a character to be displayed the circuit outputs information on the current scan line and the scan lines above and...http://www.google.de/patents/US5444460?utm_source=gb-gplus-sharePatent US5444460 - Apparatus for displaying outlined characters in a video display system
