Title:
READER WRITER ANTENNA
Document Type and Number:
Japanese Patent JP2015103898
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a reader writer antenna for communicating with an RFID tag, which generates no non-sensible zone or is capable of easily coping with a non-sensible zone area.SOLUTION: The reader writer antenna is provided with a reflector plate facing a plurality of dipole antennas which are coaxially provided in parallel with the center axis inside a tube-type radome. In the reader writer antenna, a full width half maximum is 60° and a plurality of radomes are provided at an interval of 1/2λ of a wavelength λ of an electromagnetic wave.
Inventors:
ASAKA KIYOSHIGE
Application Number:
JP2013241714A
Publication Date:
June 04, 2015
Filing Date:
November 22, 2013
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD
International Classes:
H01Q21/08; G06K17/00; H01Q1/42; H01Q3/30; H01Q9/18; H01Q15/14