Passive microwave power distribution systems

Passive microwave velocity sensor

Passive navigation system with frequency coding

Passive radar decoy having a large cross section

Passive radio frequency peak power multiplier

Passive ranging method

Passive ranging of an airborne emitter by a single non-maneuveri

Passive ranging of an airborne emitter by a single sensor

Passive ranging system

Passive ranging system

Passive ranging tail warning device

Passive reflectance modulator

Passive reply device for use in the automatic wireless transmiss

Passive retroreflective doppler shift system

Passive sensing and encoding transponder

Passive synthetic aperture system for locating a source of elect

Passive transponder apparatus for use in an interrogator-respond

Passive transponders using acoustic surface wave devices

Passive wireless transmit and receive terminator

Passive-type range determining system using scanning receiving d