Title:
Non-contact communication apparatus
Document Type and Number:
Japanese Patent JP5928768
Kind Code:
B2
Abstract:
Provided is a non-contact communication device including an antenna configured to transmit data through non-contact communication after load-modulation of an RF signal from a reader/writer (R/W), wherein the antenna includes: a standard coil having an aperture with a predetermined size; and a small coil having an aperture with a size smaller than a size of the standard coil, wherein the standard coil and the small coil are connected in series or in parallel, and the small coil is arranged such that the aperture of the small coil overlaps a winding part of a coil that is an antenna of the R/W when the non-contact communication device is caused to face the R/W by matching a predetermined position of the non-contact communication device with a reference position of the R/W determined in advance as a position with which the predetermined position of the non-contact communication device is to be matched.
Inventors:
Yukio Saito
Osamu Ishii
Osamu Ishii
Application Number:
JP2011174983A
Publication Date:
June 01, 2016
Filing Date:
August 10, 2011
Export Citation:
Assignee:
ソニー株式会社
International Classes:
G06K19/077; H04B1/59; H04B5/02
Domestic Patent References:
| JP2001028037A | ||||
| JP2001005926A | ||||
| JP2009147423A | ||||
| JP2005110131A | ||||
| JP2009094564A | ||||
| JP2007172191A |
Attorney, Agent or Firm:
Takashi Nishikawa
Yoshio Inamoto
Yoshio Inamoto