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:
Nov. 29, 2011
Filed:
Apr. 27, 2006
Wasuke Yanagisawa, Tokyo, JP;
Junxiang GE, Tokyo, JP;
Wasuke Yanagisawa, Tokyo, JP;
JunXiang Ge, Tokyo, JP;
Yokowo, Co., Ltd., Tokyo, JP;
Abstract
There is provided a low-cost wide band antenna having an ultra-wide band and high performance. The wide band antenna includes an antenna element to form a shape of a ridge waveguide open cross-section structure together with GND () when it is spread. The antenna element has a ridge element portion () corresponding to the ridge portion of the ridge waveguide and a radiation element portion () corresponding to the wall of the ridge waveguide and extending from the ridge element portion () for electromagnetic wave radiation. Moreover, the antenna element has an opposing auxiliary element () having the same shape and structure as the ridge element portion (). The radiation element portion () has an end arranged on the GND (). The ridge element portion () has a tip end connected to a power supply terminal ().