Title:
MULTI-FREQUENCY SHARED ANTENNA
Document Type and Number:
Japanese Patent JP2007214929
Kind Code:
A
Abstract:
To attain a dual frequency shared antenna by single power supply and single layer structure.
The multi-frequency shared antenna has: a dielectric substrate 10; a ground pattern 20 on the rear surface of the dielectric substrate 10; a circular pattern 30 and a ring pattern 40 on the surface of the dielectric substrate 10, the circular pattern 30 is provided with a supply point 31 and a stub 32, the circular pattern 30 is connected with the ring pattern 40 by a supply line 41 and the ring pattern 40 is provided with a perturbation element 42.
COPYRIGHT: (C)2007,JPO&INPIT
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Inventors:
KUMAGAI SHOICHI
KAZAMA YASUHIRO
SHIOKAWA TAKAYASU
KAZAMA YASUHIRO
SHIOKAWA TAKAYASU
Application Number:
JP2006033180A
Publication Date:
August 23, 2007
Filing Date:
February 10, 2006
Export Citation:
Assignee:
JAPAN RADIO CO LTD
SHIOKAWA TAKAYASU
SHIOKAWA TAKAYASU
International Classes:
H01Q13/08; H01Q5/10
Domestic Patent References:
| JP2004007559A | 2004-01-08 | |||
| JPH07183721A | 1995-07-21 | |||
| JPH04212505A | 1992-08-04 |
Attorney, Agent or Firm:
Tsuneaki Nagao
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