Compact multiband inverted-F antenna

Details Compact multiband inverted-F antenna Compact multiband inverted-F antenna

2005-09-13

2005-09-13

Wille, Douglas A. (Department: 2814)

Communications: radio wave antennas

Antennas

Microstrip

C455S550100

Reexamination Certificate

active

06943738

ABSTRACT:
A compact multiband Inverted-F antenna (110) that has a compact form factor and is particularly suited for manufacturability and inclusion into small form-factor devices. The Inverted-F Antenna (110) includes a first arm (150) and a substantially parallel second arm (152) connected by a conductive bridge (206). An RF feed that has an RF contact (126) and a ground contact (124) is attached to a middle portion of the second arm (150). The Inverted-F antenna (110) is suitable for mounting on an external face of a non-conductive support (112). The RF feed (150, 152) extends through the non-conductive support to facilitate electrical connection to RF circuits (108). The Inverted-F Antenna (110) has a three band RF characteristic (300), with the upper two bands chosen to form a single, continuous RF band (304).

REFERENCES:
patent: 6670923 (2003-12-01), Kadambi et al.
patent: 2002/0126047 (2002-09-01), Laureanti
patent: 2004/0196190 (2004-10-01), Mendolia et al.
patent: WO2004/010528 (2004-01-01), None
K. Fujimoto et al.,Small Antennas,Research Studies Press, Ltd. Somerset, England. 1987, pp. 116-119.

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