Willian Brinks Olds Hofer Gilson & Lione
Multi-port memory
 The multi-port memory of the present invention is provided with a random port for describing the graphic data, a first serial port for reading the data to be displayed, and a second serial port for writing the dynamic picture image data and which has a transfer mask register to transfer the dynamic picture image to a window. The multi-port memory enables multi-window display of the dynamic picture images in a simple circuit structure, with ensuring high-speed erasure and scroll of the multi-window. 
Matsushita Electric Industrial Co., Ltd.
G
G11C
inventional
Toshiki
Mori