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Patent Searching and Data


Title:
ANTENNA
Document Type and Number:
WIPO Patent Application WO/2002/071539
Kind Code:
A1
Abstract:
A high performance, mechanically-driven reflector antenna in which small size, low attitude and wide angle scanning can be realized. The antenna comprises a main reflector (1), a sub-reflector (2), a primary radiator (3), a first circular waveguide (4) connected with the primary radiator and having a plurality of bends, a first circular waveguide rotary joint (5) connected with the first circular waveguide, a second circular waveguide (7) connected with the first circular waveguide rotary joint and having a plurality of bends, and a second circular waveguide rotary joint (8) connected with the second circular waveguide and having the direction of rotational axis different by about 90° from the first circular waveguide rotary joint.

Inventors:
YONEDA NAOFUMI (JP)
MIYAZAKI MORIYASU (JP)
NAITOH IZURU (JP)
INASAWA YOSHIO (JP)
MAKINO SHIGERU (JP)
URASAKI SHUJI (JP)
KONISHI YOSHIHIKO (JP)
Application Number:
PCT/JP2001/006237
Publication Date:
September 12, 2002
Filing Date:
July 18, 2001
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
YONEDA NAOFUMI (JP)
MIYAZAKI MORIYASU (JP)
NAITOH IZURU (JP)
INASAWA YOSHIO (JP)
MAKINO SHIGERU (JP)
URASAKI SHUJI (JP)
KONISHI YOSHIHIKO (JP)
International Classes:
H01Q3/08; H01Q3/20; H01Q19/19; (IPC1-7): H01Q3/20
Foreign References:
JPS6030613U1985-03-01
JPH01227502A1989-09-11
JPH11289208A1999-10-19
JPH1117402A1999-01-22
JPH02134716U1990-11-08
JPH11186827A1999-07-09
Other References:
See also references of EP 1291965A4
Attorney, Agent or Firm:
Soga, Michiteru (Kokusai Building 1-1 Marunouchi 3-chome Chiyoda-ku, Tokyo, JP)
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