Multiple coupled resonant loop antenna

Multiple loop antenna

Multiple loop receiving device in a security system

Narrow-directivity electromagnetic-field antenna probe, and...

Non-contact communication medium

Omni-directional, orthogonally propagating folded loop...

Optimization of a loop antenna geometry embedded in a...

Orthogonal antenna arrangement and method

Orthogonal loop radiofrequency antenna device

Phase compensated field-cancelling nested loop antenna

Plasma production device and method and RF driver circuit

Plasma production device and method and RF driver circuit...

Portable collapsible antenna

Portable, collapsible cubical quad antenna

Radio antenna

Radio card

RFID tag employing hollowed monopole antenna

Rotating field antenna with a magnetically coupled quadrature lo

Sheet antenna apparatus

Short-distance communication antenna and methods of manufacturin