Data processing system for development of outline fonts

Details Data processing system for development of outline fonts Data processing system for development of outline fonts

1992-10-08

1994-03-08

Herndon, Heather R.

395150, G06F 1562

Patent

active

052935868

ABSTRACT:
A single chip microcomputer formed on a semiconductor substrate includes a central processing unit, a ROM storing therein a program for operating the central processing unit, a digital signal processor, and a multi-port RAM. The digital signal processor develops an outline font on the multi-port RAM in accordance with a program stored in a storage unit provided in the digital signal processor. This eliminates the necessity of development of an outline font by the central processing unit and allows high speed execution of such development of an outline font. Further, the central processing unit and the digital signal processor can operate in a parallel relationship.

REFERENCES:
patent: 3793631 (1974-02-01), Silverstein et al.
patent: 4703438 (1987-10-01), Nishiyama et al.
"MC68881/MC68882 Floating-Point Coprocessor User's Manual," Prentice Hall, 1987, pp. 1-1 to 1-15, 5-1 to 5-15.
Masazo Nakagawa, "Multiuser Operational Optical Printer Controller Featuring 20 Pages Per Minute", Nikkei Electronics, No. 417, Nikkei MacGraw Hill, Mar. 23, 1987, pp. 205-227. Japanese document with English translation provided.

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