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一、引言键盘是人与计算机交互的主要手段,也是大量信息输入的主要方式。长时间地使用键盘容易造成双手肌肉的紧张,严重的甚至造成使用者肌体上的劳累损伤,其症状包含因使用键盘造成的腕管综合症、坐姿不良引起的脊椎神经伤害以及颈部和腰部、累计性骨骼肌肉损伤,重复某一动作而形成强迫性体位,以致身体相应部位处于持续的紧张状态而导致的局部神经。由于笔记本电脑本身的空间非常有限,笔记本电脑的键程要比普通台式机所使用的标准键盘小得多,狭小的平面空间使键盘变得更加紧凑,这导致用户在键盘敲击过程中的感到更为不适。
First, the introduction of the keyboard is the main means of human interaction with the computer, but also a large number of information input the main way. Prolonged use of the keyboard for a long time can easily cause muscle tension in both hands, and even cause severe fatigue on the user’s body. Symptoms include carpal tunnel syndrome caused by the use of a keyboard, spinal nerve injury caused by poor sitting posture, neck and waist, Cumulative skeletal muscle injury, repeated actions to form a forced position, so that the corresponding part of the body in a sustained tension caused by the local nerve. Due to the limited space available on the laptop itself, the laptop’s key stroke is much smaller than a standard keyboard used on a typical desktop computer, and the small, flat space makes the keyboard more compact, which causes the user to feel during the keyboard tap More discomfort.