| 摘要 |
PURPOSE:To constitute a titled pen so that learning can be executed at an appropriate writing pressure informing an operator that a necessary writing pressure is applied to a pin, when an operator is operating a pen, and the pen is in a state that its input can be executed. CONSTITUTION:In case of writing a segment M to a tablet paper surface 7, write is started by making a pin tip 5 contact to the paper surface 7. In such a case, a core 3 moves in the direction as indicated with an arrow (a) by a writing pressure, and a pressure sensitive switch 4 goes to an on-state. As a result, a current flows to an LED6, and the LED6 is turned on. An operator can confirm a fact that an input is executed by a correct writing pressure, by turn-on of this LED6. On the other hand, when the writing pressure is weak and the core 3 does not move in the direction as indicated with an arrow (a), the pressure sensitive switch 4 remains an off-state, therefore, the LED6 is not turned on. Accordingly, the operator can decide immediately a fact that the present writing pressure is weak and it is not recognized correctly, by confirming this LED6.
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