ライトペン
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ペ
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Meanings
1
light pen
A computer input device shaped like a pen that detects light from the screen. Now mostly historical; replaced by touchscreens and other pointing devices.
In the 1980s, light pens were often used in CAD systems.
light pen
A computer input device shaped like a pen that detects light from the screen. Now mostly historical; replaced by touchscreens and other pointing devices.
In the 1980s, light pens were often used in CAD systems.