Pioneer Corporation

Kosuke Ajima

Yoshiaki Moriyama

Toshio Suzuki

In an electronic apparatus control system provided with: a plurality of electronic apparatuses connected to a network covering a predetermined area; and a controller for controlling these electronic apparatuses, the controller () is provided with: a generating device for generating a group key peculiar to the network () in order to encrypt the information flowing through the network (); and a wireless unit () for transmitting the generated group key to a plurality of the electronic apparatuses. The electronic apparatus is provided with: a memory device for storing the group key transmitted; an encrypting device for encrypting the information flowing through the network () using the group key; and a decoding device for decoding the encrypted information using the group key. Owing to this construction, it is possible to present a copy protection improved in the maintainability and reduced in the cost, for protecting copyright effectively even in a case that information is flown out of the network ().

Growing community of inventors

Saitama, Japan

Kosuke Ajima