COORDINATE POSITION DETECTION DEVICE, METHOD OF DETECTING COORDINATE POSITION, AND DISPLAY DEVICE
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United States of America Patent
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Issued Date -
Aug 9, 2012
app pub date -
Oct 19, 2009
filing date -
Oct 19, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
When a coordinate detector detects a first light-blocking object, a display device conducts a first local simultaneous scanning process for scanning a local area including the first light-blocking object and an entire sequential scanning process for scanning the entirety of a display surface in parallel. Additionally, during the first local simultaneous scanning process and the entire sequential scanning process conducted in parallel, when a second light-blocking object is detected by the entire sequential scanning process, the display device conducts a second local simultaneous scanning process for scanning a local area including the second light-blocking object in parallel with the first local simultaneous scanning process.
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