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:
Mar. 27, 2012
Filed:
May. 18, 2007
Applicant:
Anders Thornell-pers, Beijing, CN;
Inventor:
Anders Thornell-Pers, Beijing, CN;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/50 (2006.01); H01Q 1/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A quad-band antenna device () for a portable radio communication device comprises two radiating elements () of different lengths and two common conductors () of different lengths. One of the common conductors can be selectively connected in and out with respect to radio frequency signals in order to adjust the total electrical length of the antenna device, thereby making it operable in four different frequency bands.