Title:
INFORMATION WRITER/READER AND INFORMATION WRITING/READING SYSTEM USING THE SAME
Document Type and Number:
Japanese Patent JP2004295791
Kind Code:
A
Abstract:
To perform the writing/reading of information even for an information recording medium which does not comprise a coiled antenna.
An information writer/reader is formed with an antenna part 1a for writing and reading information in a non-contact state with respect to a non-contact type information recording medium comprising a coiled antenna and is provided with a coiled antenna part 1b through which current flows by a magnetic field generated by current flowing to the antenna part 1a when current is supplied from an information writing/reading control part 2 to the antenna 1a. Further, land parts 3a and 3b with predetermined areas are formed at both ends of the antenna part 1b.
Inventors:
SAITO MITSUGI
Application Number:
JP2003090364A
Publication Date:
October 21, 2004
Filing Date:
March 28, 2003
Export Citation:
Assignee:
TOPPAN FORMS CO LTD
International Classes:
G06K17/00; H01Q7/00; H04B5/02; G06K19/07; (IPC1-7): G06K17/00; G06K19/07; H01Q7/00; H04B5/02
Attorney, Agent or Firm:
Akio Miyazaki
Nobuyuki Kaneda
Katsuhiro Ito
Ishibashi Masayuki
Nobuyuki Kaneda
Katsuhiro Ito
Ishibashi Masayuki
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