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. 05, 2008
Filed:
Jan. 31, 2005
Applicants:
Hiroshi Shinoda, Kokubunji, JP;
Hiroshi Kondoh, Fuchu, JP;
Shiho Izumi, Hitachi, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01S 13/93 (2006.01); H01Q 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An automotive radar having a high level of azimuth accuracy and a broad detectable range by virtue of preventing leaks of unnecessary waves to receiving antennas is to be provided. A transmitting array antennaand receiving array antennasare arranged on an antenna plate (grounding conductor plate)which serves to ground the antennas, and radio wave absorbersare arranged on two sides of the edgesof the antenna plate. The radio wave absorbersmay be configured of, for instance, a sponge material containing radio wave absorbing grains.