US patent 등록 “Apparatus and method for measuring bending of an object, by using an optical waveguide” , US9417143
Apparatus and method for measuring bending of an object, by using an optical waveguide Patent number: 9417143 Abstract: An apparatus and method for measuring bending of an object, a position of an item touching the object, and a shearing force of the item using an optical waveguide may include a frequency measurer to measure a… 더 보기 »US patent 등록 “Apparatus and method for measuring bending of an object, by using an optical waveguide” , US9417143