Sea animal preventive vessel of shark and the like

摘要

(57) Abstract Topic This device calls the sound wave which sea animal such as shark evadesIt regards the offer of the sea animal preventive vessel of the shark and the like which the ru until recently is not. Solutionssa which calls the sound wave which sea animal such as shark evadesIt is the sea animal preventive vessel of me and the like, from the sonic transmitter the sound wave which is generatedThe shark and the like which features that they are 1 - 50 kHzIt is the sea animal preventive vessel.