Illuminted human-machine interface device

摘要

An illuminated human-machine interface device does not need prepare electric energy by itself to supply power for a light source and can operate by taking advantage of the brightness of a screen of a monitor without any extraordinary illuminating equipment. It can be a keyboard and the positions on which the fluorescent light emits from the keyboard can be chosen on plural key caps. Secondly, it can be a keyboard and the position on which the fluorescent light emits from the keyboard can be chosen on an upper cover. The printed symbols on the key caps and the upper cover can both be formed by positive or negative plate printing with fluorescent ink, or the key caps and the upper cover can both be mixed with fluorescent material therein. Thirdly, it can be a keyboard with a fluorescent plate thereon to emit fluorescent light to make the keyboard a fluorescent keyboard. Fourthly, it can be a mouse having a housing with fluorescent material therein.