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:
Sep. 05, 2006
Filed:
Nov. 05, 2001
Applicant:
Sheng-gen Pan, Kamp-Lintfort, DE;
Inventor:
Sheng-Gen Pan, Kamp-Lintfort, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A PIFA antenna device is provided which includes an HF input/output and two antenna surfaces respectively having a contact with the ground of a mobile communication terminal. The first antenna surface is configured for two independent frequencies and the second antenna surface is configured for a third independent frequency. Only the first antenna surface is connected to the HF input/output and the second antenna surface is arranged in a contactless manner with respect to the first antenna surface, whereby an electromagnetic coupling occurs between both antenna surfaces.