The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 11, 2002

Filed:

Jul. 11, 2000
Applicant:
Inventor:

Shigeki Morita, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 3/12 ;
U.S. Cl.
CPC ...
H01Q 3/12 ;
Abstract

A radar antenna with a parabolic reflector having a combined polarization twist reflecting unit and a plane reflector that reflects and transmits radio waves according to their polarized direction and with the plane reflector disposed outside. The plane reflector is integral with the case of the antenna and is disposed at a position that is approximately half of the distance from the parabolic reflector to the focal point of the parabolic reflector. Additionally, a primary radiator is disposed at a center position of the parabolic reflector and at a distance for the plane reflector that is approximately a distance from the plane reflector to the focal point of the plane reflector.


Find Patent Forward Citations

Loading…