Patent · US Active

Communication device, communication method, communication system and service issuing method

US8638943B2 · kind B2 · utility

1Cited by
1References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 29, 2009
Grant dateJan 28, 2014
Priority date
Expiry dateFeb 25, 2030

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W12/08
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A communication device includes an antenna for transmitting and receiving signals with a reader/writer of a service issuing terminal; a recording unit recorded with data, and also recorded with a pattern in which information specifying an authentication key and access attribute indicating whether or not a readout process or a write process on the data is possible using the authentication key are corresponded; and a control unit for, when receiving one or plural information specifying a region of the data from the reader/writer of the service issuing terminal via the antenna, holding the received one or plural information specifying the region of the data.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.