LandOfFree - US Patents - Listing for Communications: directive radio wave systems and devices (e.g., ,Directive,Beacon or receiver

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

Electronic car locator

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

Electronic direction finder

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

Electronic direction finder

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

Electronic null-seeking goniometer for ADF

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

Emergency beacon

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

Emergency reporting for marine and airborne vessels

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

Emergency transmitter buoy for use on marine vessels

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

Emergency vessel location system

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

Emitter azimuth and elevation direction finding using only linea

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

Emitter location using RF carrier or PRF measurement ratios

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

Enhanced determination of position-dependent signal...

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

Enhanced emitter location using adaptive combination of time...

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

Enhanced location methodology for a location system

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

Estimating an angle-of-arrival of a signal by determining...

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

Far field monitor apparatus

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

Firefighter locator

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

Frequency multiplier circuitry for radio beacons

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

Game alert system

Communications: directive radio wave systems and devices (e.g. – Directive – Beacon or receiver

GPS augmentation using time offset code modulation