Patent Number: 9,432,802

Title: Communication device and communication system

Abstract: A communication device communicating position information indicative of a position of the communication device with a wireless terminal, includes: a storage section configured to store the position information and a certificate to guarantee correctness of the position information, the certificate being issued upon the position information being authenticated; a sending section configured to send the position information; and a control section configured to control the sending section so that the position information stored in the storage section is sent to the wireless terminal along with the certificate.

Inventors: Matsushita; Yusuke (Kanagawa, JP), Miyawaki; Seiji (Kanagawa, JP), Ohashi; Yasuo (Kanagawa, JP), Fukuda; Michitaka (Kanagawa, JP), Kusakari; Shin (Kanagawa, JP), Miyauchi; Kunihiro (Kanagawa, JP), Kawasaki; Satoshi (Kanagawa, JP), Hiroi; Takaaki (Tokyo, JP), Aoki; Shinji (Kanagawa, JP)

Assignee: Ricoh Company, Ltd.

International Classification: H04W 4/04 (20090101); H04W 12/00 (20090101); H04W 28/02 (20090101); H04W 4/02 (20090101)

Expiration Date: 2020-08-30 0:00:00