Patent · US Expired

Card device, electronic apparatus, and wireless device

US7123938B2 · kind B2 · utility

6Cited by
9References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 17, 2002
Grant dateOct 17, 2006
Priority date
Expiry dateDec 24, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q1/38
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A card device to be inserted into a slot of an electronic apparatus having an electronic apparatus ground and electrically connected to this electronic apparatus, including a single antenna provided on a carrier, a card ground which is disposed on the carrier and electrically connected to the antenna, and a switch for carrying out, at a high frequency, a connection/disconnection of the card ground to/from the electronic apparatus ground in a condition where this card device is inserted in the slot.

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