Method for compressing ideographic characters for storage decomp

Details Method for compressing ideographic characters for storage decomp Method for compressing ideographic characters for storage decomp

1996-11-26

1998-11-03

Hong, Stephen S.

Computer graphics processing and selective visual display system

Computer graphics processing

Character generating

707535, G06F 314

Patent

active

058316361

ABSTRACT:
A compression/decompression method useful in communicating ideographic characters to communication devices. An ideographic character is represented by a compressed character codeword including information defining a structure type or layout of the character, together with primitive types that represent combinations of simple graphical elements. A character generator read-only memory (CGROM) (20) includes a compressed character codeword database (22) and a primitive type database (24). Character codes corresponding to a compressed character codeword are transmitted to a communication device (600), such as a selective call receiver. The communication device (600) includes a microprocessor/controller (50) that decompresses the compressed character codewords corresponding to the character codes based on the data stored in the character database (22) and the primitive type database (24).

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