Patented contact-free height sensing, Sensual Pan, ensures accurate stand off to give improved cut quality.
专利无接触调高系统，调高盒保证准确的位置得到更好的切割质量。
2
The basic principle and the construction of contact-free control system are analysed, and its logic circuit and working waves are presented.
介绍了无触点控制电路的构成和工作原理，给出了逻辑电路图和工作波形图。
3
Personal Electronics: a magnetic resonance system could allow contact-free recharging-for example, a cellphone battery could be boosted from anywhere in a room.