Patent Number: 7,102,575

Title: PIFA antenna apparatus for mobile communications terminals

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.

Inventors: Pan; Sheng-Gen (Kamp-Lintfort, DE)

Assignee: Siemens Aktiengesellschaft

International Classification: H01Q 1/24 (20060101)

Expiration Date: 9/05/02018