Patent ID: 7537526

Claim:
A golf putter including a head, a shaft and a grip and used for a putting stroke, the golf putter having a function of providing putting information and comprising: a putting information providing apparatus fixedly into a predetermined position of the shaft and providing putting information to a golfer; and a battery receptacle inserted and fixed to one end of the shaft, the putting information providing apparatus and the battery receptacle being electrically connected to each other through a wire, wherein the putting information providing apparatus includes: a lower cover and an upper cover made of a transparent material, the lower and upper cover forming a cylindrical shape when being connected to each other, wherein a substrate including an LCD, through which putting information is displayed, and an operation switch, through which distance information from a golf ball to a hole is input, is established on the upper portion of the lower cover; and wherein a circuit means providing putting information based on green gradient information and distance information from the golf ball to an actual hole which corresponds to a degree that the green is tilted in the perpendicular direction with respect to a straight line connecting the hole and the golf ball, is provided on the rear portion of the substrate, and wherein the circuit means comprises: a gradient sensor providing gradient information corresponding to a tilted state when the putter is laid on a horizontal surface; a data storage means storing position information on an imaginary hole against an actual hole based on the distance information and the gradient information; and a control means reading the position information of the imaginary hole from the data storage means based on the distance information and the gradient information and outputting the position information of the imaginary hole through a display means.