Method and apparatus for continuously scrolling large scale picture
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United States of America Patent
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May 4, 1993
Grant Date -
N/A
app pub date -
Apr 10, 1991
filing date -
Apr 10, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for continuously scrolling a large scale picture, comprising scrolling picture data of first partial picture memory in a predetermined direction, the first picture memory having a region with a position and a size, reserving second partial picture memory having a region of a different position and a predetermined size in the predetermined direction of scrolling, the region of the second partial picture memory overlapping that of the first partial picture memory, changing display data from the first partial picture memory to the second partial picture memory at the time when scrolled position become near to a boundary region of the first partial picture memory, continuously scrolling picture data of the second memory.
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