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.:

US 7268731 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 11, 2007

Filed:

Jul. 20, 2004
Applicants:

Bing Chiang, Melbourne, FL (US);

Michael J. Lynch, Merritt Island, FL (US);

Douglas H. Wood, Palm Bay, FL (US);

Inventors:

Bing Chiang, Melbourne, FL (US);

Michael J. Lynch, Merritt Island, FL (US);

Douglas H. Wood, Palm Bay, FL (US);

Assignee:

IPR Licensing, Inc., Wilmington, DE (US);

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

A folded monopole antenna that supports lower and upper frequency bands may be used in CDMA, WLAN, or other wireless communications systems. The folded monopole antenna may be located in a handset next to a vertical ground plane. The folded monopole antenna may be folded at least twice and connected to the ground plane through a reactance. The dimensions of different sections of the folded monopole antenna define lower and upper frequency band characteristics, and an offset location of an input feed affects the bandwidth of the frequency bands. The reactance between the antenna and ground plane can be selected to fine tune the frequency bands. Various input feeds, including a co-planar waveguide, may be employed. Dynamically adjustable reactances may be used in the input feed and ground line for adapting the antenna to various environments.


Find Patent Forward Citations

Chiang, Bing. (2007). Multi-band antenna for wireless applications (U.S. Patent No. 7268731). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7268731

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…