Furuno Electric Company Limited

Yoshihisa Fukuda

Takumi Fujikawa

Hidetoshi Tanigaki

Tadashi Ozaki

Kiyotaka Furuno

Kouji Yano

Makoto Tanaka

A fish school detecting method or apparatus radiates radio search signals with their carrier frequency in the S-band frequency range, successively in different azimuthal directions through a wide angular range, receives echo signals, and displays the echo signals on the screen of an indicator in such a manner that the echo signal reflected by a bird is clearly distinguished from the other objects, thereby locating the bird and detecting a fish school under the bird.

Growing community of inventors

Kawanishi, Japan

Yoshihisa Fukuda