Patent Number: 7,085,382

Title: Communication device, communication device set, authentication method and method of wireless-connecting terminals

Abstract: A communication device which can be freely inserted into and extracted from a slot of a terminal device has its part exposed from the terminal device when inserted into the slot applied a color according to a kind of the communication device and includes a radio unit adapted to a predetermined mobile communication service, applied a color according to a kind of the mobile communication service and storing information necessary for the connection to a specific provider.

Inventors: Terao; Masayuki (Tokyo, JP), Sakai; Akira (Tokyo, JP), Takizawa; Masakatsu (Tokyo, JP), Yamaguchi; Shuuji (Tokyo, JP)

Assignee: NEC Corporation

International Classification: H04K 1/00 (20060101)

Expiration Date: 8/01/02018