Assignee
TULL AVIATION CORP
12 granted patents·507 citations·filing 1974–1977
Top patents by PatentIndex Score
12 records- 0197US4129872AMicrowave radiating element and antenna array including linear phase shift progression angular tiltTULL AVIATION CORP·Filed 1976·Granted Dec 12, 1978·176 cites·23 claims
- 0297US4080600AScanning beam radio navigation method and apparatusTULL AVIATION CORP·Filed 1976·Granted Mar 21, 1978·222 cites·31 claims
- 0372US4006461ASystem for transmitting operating condition data from a passive station to a central stationTULL AVIATION CORP·Filed 1975·Granted Feb 1, 1977·22 cites·13 claims
- 0468US3950705ANoise rejection method and apparatus for digital data systemsTULL AVIATION CORP·Filed 1974·Granted Apr 13, 1976·19 cites·10 claims
- 0565US4129870AApparatus for synthesis of scanning beamTULL AVIATION CORP·Filed 1977·Granted Dec 12, 1978·18 cites·8 claims
- 0663US3931624AAntenna array for aircraft guidance systemTULL AVIATION CORP·Filed 1974·Granted Jan 6, 1976·22 cites·15 claims
- 0754US4050074ABlended step scan beam signal from fixed beam componentsTULL AVIATION CORP·Filed 1976·Granted Sep 20, 1977·12 cites·27 claims
- 0836US3950754AMethod of transmitting glide slope navigation signals for aircraftTULL AVIATION CORP·Filed 1974·Granted Apr 13, 1976·3 cites·10 claims
- 0935US3982249AMicrowave radiation method and apparatus with a combined diffraction edge and radiation screenTULL AVIATION CORP·Filed 1975·Granted Sep 21, 1976·5 cites·15 claims
- 1034US3971026AMultiple beam glide slope radio navigation method with two classes of beamsTULL AVIATION CORP·Filed 1975·Granted Jul 20, 1976·4 cites·16 claims
- 1133US4037173AMultiple carrier modulation synthesisTULL AVIATION CORP·Filed 1976·Granted Jul 19, 1977·3 cites·23 claims
- 1230US4041492ARadio navigation with separate correlated scans to avoid reflection interferenceTULL AVIATION CORP·Filed 1976·Granted Aug 9, 1977·1 cites·15 claims
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