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:
Aug. 18, 2009

Filed:

Mar. 28, 2008
Applicant:

Pi-hsi Cheng, Hsinchu County, TW;

Inventor:

Pi-Hsi Cheng, Hsinchu County, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

A dual-band antenna includes a first radiating unit, a second radiating unit, a micro-line unit and a grounding unit. The first radiating unit has a zigzag portion. The second radiating unit is connected with the first radiating unit and has a gap. The micro-line unit includes a first terminal, a second terminal and a feeding point. The first terminal is respectively connected with the first radiating unit and the second radiating unit. An acute angle is formed between the first radiating unit and the micro-line unit. The grounding unit is connected with the second terminal of the micro-line unit and has a grounding point.


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