US Patent 7619578 Wideband slot antenna

Patent 7619578 was granted and assigned to Panasonic on November, 2009 by the United States Patent and Trademark Office.

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Patent Inventor Names

Hiroshi Kanno0

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Patent abstract

A wideband slot antenna according to the present invention is a ¼ effective wavelength slot antenna in which a ground conductor 103 having a finite area is allowed to function as a dipole at lower frequencies. An inductive region 123 is provided within an feed line 113 in a region intersecting a slot 111, and an antenna feed point 117 for connection to an external unbalanced feed circuit is provided at a position which satisfies high impedance conditions for an unbalanced ground conductor current.

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=07619578

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