软头笔书写和签字笔书写的笔迹变化研究

书写条件变化笔迹是笔迹检验中的一个难点,书写工具的变化是条件变化笔迹中的一大类。在实际办案中,经常会出现检材为软头笔书写,而只能提取到签字笔样本的情况。通过实验的方法对同一人书写的软头笔和签字笔的笔迹进行比较研究,可以总结其笔迹特征的变化规律,掌握此类笔迹的检验要点。

Handwriting Change of Soft-headed Writing and Sign Pen Writing

Handwriting change caused by the writing conditions change is the difficulty of handwriting verification. The change of writing tools is a kind of writing conditions change. The situations that we only get sign pen writing samples but verified samples are soft-headed writings in practice are very common. The change rules of handwriting features can by summarized through comparing the soft-headed writing and sign pen writing of same person so as to master the verification points of this writing.