Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent
1996-05-23
1998-11-24
Zimmerman, Mark K.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for fluid matrix display panel
395110, G06F 312
Patent
active
058414290
ABSTRACT:
A controller section registers a character pattern and individual information thereof in a buffer memory. The individual information includes a first flag indicating a first processing state and a character code assigned to the character pattern. The controller detects the individual information of a character pattern previously stored in the buffer memory. Further, the controller section stores a new character pattern by overwriting the previously-stored character pattern according to the detected individual information of the previously-stored character pattern.
REFERENCES:
patent: 5042075 (1991-08-01), Sato
patent: 5107259 (1992-04-01), Weitzen et al.
NEC Corporation
Zimmerman Mark K.
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