Title:
SPIRAL ANTENNA
Document Type and Number:
Japanese Patent JP2002094322
Kind Code:
A
Abstract:
To solve the problem of the conventional spiral antenna that has had a narrower beam width, because the conventional spiral antenna employs a cavity whose bottom face has a planar structure.
The spiral antenna of this invention adopts a cavity bottom face having ruggedness.
Inventors:
SATO AKIOMI
ISHII TAKASHI
ISHII TAKASHI
Application Number:
JP2000283279A
Publication Date:
March 29, 2002
Filing Date:
September 19, 2000
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H01Q1/38; H01Q11/04; (IPC1-7): H01Q11/04; H01Q1/38
Attorney, Agent or Firm:
Kaneo Miyata (1 person outside)