PURPOSE: A golf ball marking ink and a golf ball detecting device are provided, which enables a user to easily find his/her ball by a magnetic material detecting device.;CONSTITUTION: A golf ball marking ink is made of silicon or the urethane 80-90wt.%, pigment 1-3wt.%, and magnetic powder 5-17wt.% and is formed in a pen-type. The golf ball detecting device comprises a magnetism detector(1) which detects the magnetic field generated in the magnetic powder of the golf ball; an amplifier(2) which is delivered with the magnetic field value detected by the magnetic detector and amplifies it; a controller(3) which analyzes the size of the magnetic field value amplified by the amplifier; and a display unit(4) which aurally expresses the analyzed result.;COPYRIGHT KIPO 2010
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