Sony Corporation

Shinsuke Kanayama

Hiroshi Katsuno

Koji Nageno

Shuichi Ota

Sunao Kushiro

Koichi Numata

Izumi Kariya

Takashi Bunya

Kenichi Oide

Kazuyoshi Murata

Hideki Yoneoka

Chinngiap Heng

Pingwee Chia

There is provided a headphone device including: an external magnet type magnet unit that is disposed outside a voice coil, and vibrates the voice coil; and a diaphragm that is vibrated by vibration of the voice coil, and formed of a material in which a dome section having an outward concave shape on an inner circumference of the voice coil is continuous with an edge section outside the voice coil.

Headphone device

A thermal dye sublimation printer to which an ink ribbon cassette having a function of transmitting and receiving data via wireless communication with a printer main body is attached, is disclosed. The thermal dye sublimation printer includes: communication means that transmits and receives data via wireless communication with an ink ribbon cassette; and control means that acquires management information of the ink ribbon cassette stored in the ink ribbon cassette side via the communication means and controls printing processing based on the acquired management information.

Thermal dye sublimation printer and ink ribbon cassette therefor

Growing community of inventors

Tanjung Tokong, Malaysia

Shinsuke Kanayama