The University of Electro-communications

Sachiko Muromura

Sachiko Kodama

Osamu Izuta

Hideki Koike

Implementation including an outputter () following a control to output a signal, a microphone () for acquisition of sound from inside a ball (), a determiner () working in accordance with a level of sound acquired through the microphone () to determine a state of the ball (), and a control processor () working in accordance with a result of determination at the determiner () to generate a signal to output through the outputter ().

Ball and entertainment system

Implementation including an outputter following a control to output a signal, a microphone for acquisition of sound from inside a ball, a determiner working in accordance with a level of sound acquired through the microphone to determine a state of the ball, and a control processor working in accordance with a result of determination at the determiner to generate a signal to output through the outputter.

Growing community of inventors

Chofu, Japan

Sachiko Kodama