Title:
CONTACTLESS COMMUNICATION DEVICE
Document Type and Number:
Japanese Patent JP2009211696
Kind Code:
A
Abstract:
To provide a device comprising a first inductive antenna 14 and a plurality of chips 16, 20, 22, each comprising an integrated circuit and a second inductive antenna used to power and communicate with the integrated circuit.
One chip 16 out of the plurality of chips 16, 20, 22 is connectable to the first inductive antenna 14. In addition, the device includes a third inductive antenna 28 inductively coupled to each of the second antennas of the plurality of chips.
Inventors:
SAVRY OLIVIER
Application Number:
JP2009044170A
Publication Date:
September 17, 2009
Filing Date:
February 26, 2009
Export Citation:
Assignee:
COMMISSARIAT ENERGIE ATOMIQUE
International Classes:
G06K19/07; G06K19/077; H04B1/59; H04B5/02
Domestic Patent References:
| JP2002024778A | 2002-01-25 | |||
| JP2008500602A | 2008-01-10 | |||
| JP2003331238A | 2003-11-21 | |||
| JP2006259956A | 2006-09-28 | |||
| JP2007234001A | 2007-09-13 |
Foreign References:
| US6774865B1 | 2004-08-10 |
Attorney, Agent or Firm:
Masatake Shiga
Takashi Watanabe
Yasuhiko Murayama
Shinya Mitsuhiro
Takashi Watanabe
Yasuhiko Murayama
Shinya Mitsuhiro