DEVICE FOR PREVENTING PIGEON FROM COMING FLYING

摘要

PROBLEM TO BE SOLVED: To provide a device for preventing a pigeon from coming flying, using the magnetic field of magnets.;SOLUTION: A pair of permanent magnets is stood by a support in a site where a pigeon comes flying so that different magnetic poles are opposed each other and a fixed width of a magnetic field is formed between the magnetic poles.;COPYRIGHT: (C)2012,JPO&INPIT