Sony Corporation

Hideaki Kushida

Takashi Yamazaki

Satoshi Nagasawa

Akihiro Ogata

Satoshi Kawabe

Hidekazu Ebihara

Takeshi Niikura

Shinnosuke Oguma

Hiroshi Saito

There is provided a light-emitting device including a wireless communication unit that performs wireless communication with another device, a light-emitting unit that emits light, and a control unit that performs control by switching between a mode in which the light emission of the light-emitting unit is controlled in accordance with a timing at which a signal is received by the wireless communication unit and a mode in which the light emission of the light-emitting unit is controlled in accordance with an internal timer based on a light emission timing included in a signal received from the other device by the wireless communication unit.

Light-emitting device, method of controlling light-emitting device, and program

Distortion caused in the voltage of an audio signal due to a back electromotive force generated due to loads in a speaker is detected, the detected distorted voltage is eliminated from the voltage of the audio signal, and the audio signal without the distorted voltage is amplified and given to the speaker.

Device and method for driving speaker

Growing community of inventors

Saitama, Japan

Hideaki Kushida