Patent · US Expired

Data buffer apparatus and method for storing graphical data using data encoders and decoders

US6311258A · kind A · utility

30Cited by

136References

34Claims

0Family size

Assignee

Canon Kabushiki Kaisha · JP

Inventors

Ian Gibson · Sydney, AU
Wing Yan Chung · Parramatta, AU

Key dates

Filing date	Feb 18, 1998
Grant date	Oct 30, 2001
Priority date	—
Expiry date	Feb 18, 2018

Classification

Technology area (CPC G)Physics
CPC primaryG06T15/00
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A data buffer apparatus stores first data objects containing a plurality of first data items and second data objects containing one or more second data items in a number of different ways depending upon a mode of operation. The apparatus includes an encoder (1290) for rearranging the order of the first data items within the first data objects in accordance with first arranging mode, prior to storing in the buffer (1293). The apparatus also includes a decoder (1291) for rearranging the order of a plurality first data items read from the buffer, in accordance with a second arranging mode.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.