Dual-band quadrifilar helix antenna

Dual-frequency antenna

Dual-frequency circularly polarized spiral antenna for satellite

Dual-frequency helix antenna

Dual-resonance antenna

Eccentric spiral antenna

Eccentric spiral antenna and method for making same

Elastic strain energy deployable helical antenna

Electrical connector for spiral antenna and resistive/capacitive

Electromagnetic antenna

Electronically tuned helix radiator choke

End-fed spiral antenna, and arrays thereof

Enhanced bandwidth helical antenna

Enhanced implantable helical antenna system and method

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...