Patent · US Active

Card device

US9319883B2 · kind B2 · utility

0Cited by
0References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 13, 2015
Grant dateApr 19, 2016
Priority date
Expiry dateAug 13, 2035

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W12/06
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A card devices includes an authentication unit, a wireless communication unit, and a control unit. The authentication unit performs and authentication process with an external device via wired communication. The wireless communication unit performs wireless communication with the external device. The control unit controls the wireless communication unit to reduce radio waves radiated from the wireless communication unit when the control unit detects that the authentication process is being performed.

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