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Input device having digitizer ability based on camera
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Method for recognizing coordinate from coordinate pattern on pattern sheet
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Coordinate pattern, pattern sheet, and method for recognizing coordinate pattern
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Method for interaction using multi-modal input device
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Digitizer having camera and method for recognizing coordinate
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Image sensor and sensor module for digital camera with autofocusing ability
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Anchor construction method
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Plate type anchor head and anchor thereby
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Anchor head
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Anchor
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Curve length measuring apparatus and method
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Study pen, assistant to study, and study system and method including them
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High-speed pen-shaped scanner
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Oral narration recorder and player played with book
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Multimedia recorder and player played with book
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Pen-shaped scanner
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Study system and method for linking multimedia content with book
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Barcode scanner and system and method for reading barcode using it
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Pneumatic cell used in runflat tire, runflat tire and vehicle wheel using the cell, and method for manufacturing them
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Runflat tire, wheel equipped runflat tire, pneumatic cell used in runflat tire, and method for manufacturing and constructing them
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