Apparatus and method for varying the coupling of a radio frequen

Apparatus and methods relating to electrically conductive...

Apparatus for acquiring a signal from an intermediate point...

Apparatus for microwave directional coupling between a waveguide

Apparatus for parallel combining an odd number of semiconductor

Apparatus for reversing direction of signal flow in a...

Apparatus for separating electrical signals of different frequen

Apparatus to couple laser radiation and microwave energy using a

Apparatus, system and method capable of radio frequency...

Apparatus, system, and method for high frequency signal...

Arrangement and method for combining electric signals

Arrangement for separating transmission and reception

Arrangement relating to antenna communication

Arrangement with two piezoelectric layers, and method of...

Asymmetrically coupled TE.sub.21 coupler

Attenuator having phase between input and output signals indepen