| 摘要 |
<p>A signal generator for a graphic TV console equipped with an image memory; it enables a signal SYNC for synchronising the TV scan, reading address signals associated with the image memory and signals for controlling an external graphic unit to be generated; it essentially comprises a clock, a synchronous counter, logic means enabling the signal SYNC and the luminance test signals to be generated and a multiplexer for the reading and writing addresses associated with the image memory; the invention may be used in information display systems, electronic games, etc.</p> |
