Title: Reverse-F-like multi frequency antenna unit and low-coupling multi antenna comprising same
Application Number: 200610117041 Application Date: 2006.10.12
Publication Number: 1937318 Publication Date: 2007.03.28
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H01Q21/28;H01Q1/38;H01Q13/00
Applicant(s) Name: Shanghai Jiaotong Univ. Address:
Inventor(s) Name:
Attorney & Agent: wangti lin zhangzong meng
Abstract:
    Quasi-inverse F type antenna unit in multiple frequencies is composed of radiating element, dielectric plate, ground plate, and feeding port. Being arranged from outer layer to inner layer combined closely, the radiating element, dielectric plate, and ground plate is rolled into cylindrical or helical. The radiating element includes a rectangular metal thin base plate, and sheet metal with 90 degrees bending connected to the thin base plate. There are two rectangular windows opened on center of the rectangular metal thin base plate. Being applicable to mobile terminal for transmitting and receiving electromagnetic wave, and worked at different frequency points, the invention possesses more than 270 degrees beamwidth in horizontal plane. Features are: simple structure, and small volume. The multiple quasi-inverse F type antenna units constitute multiple antennae in low coupling.
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