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:
Feb. 03, 2004
Filed:
Dec. 21, 2001
Hsien Chu Lin, Tu-Chen, TW;
Chieh-Chao Yu, Tu-Chen, TW;
Yung-Chien Chung, Tu-Chen, TW;
Lung-Sheng Tai, Tu-Chen, TW;
Hon Hai Precision Inc. Co., Ltd., Taipei Hsien, TW;
Abstract
A dual band antenna ( ) includes a printed wiring board (PWB) ( ). The PWB has an antenna trace ( ) and a grounding plate ( ) respectively disposed on opposite surfaces ( ) of the PWB. The antenna trace includes a radiating arm ( ) and a matching means ( ). The radiating arm includes a meandering segment ( ) and a linking segment ( ). The linking segment links two points of the meandering segment, thereby forming a closed loop. Because of the closed loop, the radiating arm has two transmission paths, one longer path, which does not include the linking segment, and one shorter path, which does include the linking segment. The dual band antenna, therefore, is capable of operating at two different frequency bands because of the two paths of the radiating arm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile