Title:
ANTENNA AND RADIO DEVICE COMPRISING THE SAME
Document Type and Number:
WIPO Patent Application WO/2001/095433
Kind Code:
A1
Abstract:
An inverted F antenna and a radio device comprising the same. The antenna element comprises a grounding conductor plate and a conductor spaced from the grounding conductor plate, disposed above the grounding conductor plate, and made of a conductor at least part of which is generally spiral. A stab connects one end of the antenna element and the grounding conductor plate. A feeder connects a feeding point on the antenna element at a predetermined distance from the one end to an external circuit. The antenna element is secured to the grounding conductor plate through a holding member of a dielectric material.
Inventors:
OHARA MASAHIRO (JP)
TAKAGI NAOYUKI (JP)
INATSUGU SUSUMU (JP)
TAKAGI NAOYUKI (JP)
INATSUGU SUSUMU (JP)
Application Number:
PCT/JP2001/004867
Publication Date:
December 13, 2001
Filing Date:
June 08, 2001
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
OHARA MASAHIRO (JP)
TAKAGI NAOYUKI (JP)
INATSUGU SUSUMU (JP)
OHARA MASAHIRO (JP)
TAKAGI NAOYUKI (JP)
INATSUGU SUSUMU (JP)
International Classes:
H01Q3/24; H01Q1/24; H01Q1/36; H01Q5/10; H01Q9/04; H01Q9/30; H01Q9/36; H01Q9/42; H01Q21/30; (IPC1-7): H01Q9/04; H01Q1/24; H01Q1/36
Foreign References:
| JPH11154815A | 1999-06-08 | |||
| US5966097A | 1999-10-12 | |||
| JPH01181305A | 1989-07-19 | |||
| JPH08204431A | 1996-08-09 | |||
| EP0987789A1 | 2000-03-22 | |||
| EP0548975A1 | 1993-06-30 | |||
| JPH10229304A | 1998-08-25 | |||
| US5585807A | 1996-12-17 |
Attorney, Agent or Firm:
Iwahashi, Fumio c/o Matsushita Electric Industrial Co. (Ltd. 1006 Oaza Kadoma Kadoma-shi, Osaka, JP)
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