Title:
LOOP ANTENNA
Document Type and Number:
WIPO Patent Application WO/2016/147934
Kind Code:
A1
Abstract:
Provided is a loop antenna capable of contributing to service area expansion of a wireless system using a magnetic field. This loop antenna is provided with: a main loop 1, which is an open loop connected to a signal source 5 or a reception circuit; and an amplifying loop 2, which is a closed loop having a same shape as the main loop 1. The main loop 1 and the amplifying loop 2 are disposed on a same surface of a planar board formed of an insulator, a first capacitor is connected to the main loop 1, and a second capacitor is connected to the amplifying loop.
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Inventors:
SASAKI AI-ICHIRO (JP)
MIZOTA TSUTOMU (JP)
MORIMURA HIROKI (JP)
KAGAMI OSAMU (JP)
MIZOTA TSUTOMU (JP)
MORIMURA HIROKI (JP)
KAGAMI OSAMU (JP)
Application Number:
PCT/JP2016/057011
Publication Date:
September 22, 2016
Filing Date:
March 07, 2016
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
H01Q7/00; H01Q5/378
Foreign References:
| JP2013534074A | 2013-08-29 | |||
| JP2011045045A | 2011-03-03 | |||
| JP2005102101A | 2005-04-14 | |||
| JP2011086009A | 2011-04-28 | |||
| JP2005275871A | 2005-10-06 |
Other References:
See also references of EP 3273539A4
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (JP)
Hidekazu Miyoshi (JP)
Hidekazu Miyoshi (JP)
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