F-inverted compact antenna for wireless sensor networks and...

Feed network

Feed network for quadrifilar helix antenna

Feed system for a circularly polarized tetra-coil antenna

Flat dual frequency band antennas for wireless communicators

Flex (or printed) circuit axial coils for a downhole logging...

Flex antenna structure and method for collar-mounted remote anim

Flexible feed line for an antenna system

Flexible printed circuit board antenna

Flexible substrate wide band, multi-frequency antenna system

FM chip antenna

Folded antenna

Folded broadband antenna with a symmetrical pattern

Folded helix antenna design

Folded RF marker for electronic article surveillance systems

Folded spiral antenna for a portable radio transceiver and metho

Frequency agile triangular antenna

Full wave communication antenna