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.
Patent No.:
Date of Patent:
Aug. 30, 2011
Filed:
Apr. 12, 2009
Hiroshi Shinoda, Kodaira, JP;
Mitsutoshi Morinaga, Tokyo, JP;
Hiroshi Shinoda, Kodaira, JP;
Mitsutoshi Morinaga, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
In a conventional automotive radar, a return occurs in a phase difference characteristic necessary for a super-resolution method, resulting in an increase of a detection error, or an extremely narrowed azimuth detection range. A transmitting array antenna, and receiving array antennas are composed of antenna elements respectively, and aligned in a horizontal direction. The weighting of receiving sensitivities of the antenna elements of the receiving array antennais A, A, A, and A, which are monotonically decreased from an inner side toward an outer side as represented by A≧A≧A≧A. On the other hand, the receiving array antennais symmetrical with the receiving array antenna with respect to the receiving array antenna