Font management system

Details Font management system Font management system

2006-06-05

2009-08-04

Tung, Kee M (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics display memory system

Frame buffer

C345S565000

Reexamination Certificate

active

07570269

ABSTRACT:
A time for displaying bitmap data is shortened, and the volume of a font table is reduced. A table having all records from start 0000h to end FFFFh is used as a pointer table which imparts a start address of bitmap data. A start address of bitmap data is stored in each of the records. Thereby, the character code directly accesses a corresponding record, to thus acquire a start address. Further, the volume of a font table is diminished by means of combined use, as pointer tables, of a first pointer table from which unused character code areas are removed and a second pointer table which specifies an address positional relationship between the respective character code areas achieved before removal and the respective character codes achieved after removal.

REFERENCES:
patent: 6477616 (2002-11-01), Takahashi
patent: 2005/0270290 (2005-12-01), Liu et al.
patent: 3240673 (2001-12-01), None

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