REMOTE-CONTROL DEVICE AND CONTROL SYSTEM AND METHOD FOR CONTROLLING OPERATION OF SCREEN
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United States of America Patent
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Issued Date -
Jan 3, 2013
app pub date -
Jul 2, 2012
filing date -
Jul 1, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A control system for controlling an operation of a screen having a first geometric reference includes a marking device and a remote-control device. The marking device displays a first pattern associated with the first geometric reference on the screen. The remote-control device obtains a signal from the screen. The signal represents an image having a second geometric reference and a second pattern associated with the first pattern. The second pattern and the second geometric reference have a first geometric relationship therebetween. The remote-control device uses the first geometric relationship to transform the second pattern into a third pattern, and calibrates the first geometric reference according to the third pattern for controlling the operation of the screen.
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