Assignee
HAZELTINE CORP
US·137 granted patents·3,775 citations·filing 1971–1996
Top patents by PatentIndex Score
137 records- 0197US5652751AArchitecture for mobile radio networks with dynamically changing topology using virtual subnetsHAZELTINE CORP·Filed 1996·Granted Jul 29, 1997·567 cites·27 claims
- 0291US5684794AValidation of subscriber signals in a cellular radio networkHAZELTINE CORP·Filed 1996·Granted Nov 4, 1997·191 cites·17 claims
- 0391US4771289ABeamforming/null-steering adaptive arrayHAZELTINE CORP·Filed 1987·Granted Sep 13, 1988·92 cites·2 claims
- 0491US4638324AResistive loop angular filterHAZELTINE CORP·Filed 1984·Granted Jan 20, 1987·68 cites·12 claims
- 0588US5111208ACalibration of plural - channel systemHAZELTINE CORP·Filed 1989·Granted May 5, 1992·97 cites·12 claims
- 0687US4894766APower supply frequency converterHAZELTINE CORP·Filed 1988·Granted Jan 16, 1990·149 cites·5 claims
- 0787US4188633APhased array antenna with reduced phase quantization errorsHAZELTINE CORP·Filed 1978·Granted Feb 12, 1980·50 cites·12 claims
- 0886US5684491AHigh gain antenna systems for cellular useHAZELTINE CORP·Filed 1995·Granted Nov 4, 1997·123 cites·36 claims
- 0985US4705967AMultifunction floating FET circuitHAZELTINE CORP·Filed 1985·Granted Nov 10, 1987·31 cites·37 claims
- 1084US4041501ALimited scan array antenna systems with sharp cutoff of element patternHAZELTINE CORP·Filed 1975·Granted Aug 9, 1977·50 cites·38 claims
- 1183US3932818ASpectrum notcherHAZELTINE CORP·Filed 1974·Granted Jan 13, 1976·28 cites·8 claims
- 1282US5402116AAtmospheric pressure calibration systems and methodsHAZELTINE CORP·Filed 1992·Granted Mar 28, 1995·123 cites·34 claims
- 1382US4364050AMicrostrip antennaHAZELTINE CORP·Filed 1981·Granted Dec 14, 1982·37 cites·23 claims
- 1482US4311965AModular amplifier with discrete power reduction switchingHAZELTINE CORP·Filed 1980·Granted Jan 19, 1982·25 cites·6 claims
- 1581US4326275ADirectional transducerHAZELTINE CORP·Filed 1979·Granted Apr 20, 1982·32 cites·10 claims
- 1680US5264862AHigh-isolation collocated antenna systemsHAZELTINE CORP·Filed 1991·Granted Nov 23, 1993·60 cites·8 claims
- 1780US4604591AAutomatically adjustable delay circuit having adjustable diode mesa microstrip delay lineHAZELTINE CORP·Filed 1983·Granted Aug 5, 1986·27 cites·8 claims
- 1880US4390247AContinuously variable delay lineHAZELTINE CORP·Filed 1981·Granted Jun 28, 1983·24 cites·14 claims
- 1979US3987444AInterference rejection system for multi-beam antenna having single control loopHAZELTINE CORP·Filed 1974·Granted Oct 19, 1976·26 cites·5 claims
- 2077US5534882AGPS antenna systemsHAZELTINE CORP·Filed 1994·Granted Jul 9, 1996·50 cites·25 claims
- 2177US4233564AApparatus for changing the scale of a logarithmic signalHAZELTINE CORP·Filed 1978·Granted Nov 11, 1980·24 cites·3 claims
- 2276US4067014ACorrelation receiver for doppler microwave landing systemHAZELTINE CORP·Filed 1976·Granted Jan 3, 1978·28 cites·8 claims
- 2374US4999639ARadome having integral heating and impedance matching elementsHAZELTINE CORP·Filed 1989·Granted Mar 12, 1991·37 cites·23 claims
- 2474US4516126AAdaptive array having an auxiliary channel notched pattern in the steered beam directionHAZELTINE CORP·Filed 1982·Granted May 7, 1985·31 cites·6 claims
- 2574US4499586AMicroprocessor controlled AGCHAZELTINE CORP·Filed 1983·Granted Feb 12, 1985·36 cites·3 claims
- 2673US5742258ALow intermodulation electromagnetic feed cellular antennasHAZELTINE CORP·Filed 1995·Granted Apr 21, 1998·41 cites·20 claims
- 2773US5502447ABeam sharpened pencil beam antenna systemsHAZELTINE CORP·Filed 1993·Granted Mar 26, 1996·56 cites·19 claims
- 2873US4644560AIntranetwork code division multiple access communication systemHAZELTINE CORP·Filed 1985·Granted Feb 17, 1987·47 cites·8 claims
- 2973US4631576ANonuniformity correction system for color CRT displayHAZELTINE CORP·Filed 1984·Granted Dec 23, 1986·27 cites·9 claims
- 3073US4448494AAcousto-optical signal detectorHAZELTINE CORP·Filed 1981·Granted May 15, 1984·26 cites·8 claims
- 3172US4460250AAcousto-optical channelized processorHAZELTINE CORP·Filed 1981·Granted Jul 17, 1984·27 cites·10 claims
- 3272US4443066AAcousto-optical apparatus for shifting a beam of lightHAZELTINE CORP·Filed 1981·Granted Apr 17, 1984·34 cites·8 claims
- 3372US4380716AExternal magnetic field compensator for a CRTHAZELTINE CORP·Filed 1981·Granted Apr 19, 1983·22 cites·21 claims
- 3471US5304998ADual-mode communication antennaHAZELTINE CORP·Filed 1992·Granted Apr 19, 1994·39 cites·20 claims
- 3570US4983981AActive array element amplitude stabilizationHAZELTINE CORP·Filed 1989·Granted Jan 8, 1991·36 cites·19 claims
- 3670US4837580AMicrowave landing system with fail-soft switching of dual transmitters, beam steering and sector antennasHAZELTINE CORP·Filed 1987·Granted Jun 6, 1989·31 cites·37 claims
- 3770US4633265ALow frequency/high frequency omnidirectional antenna formed of plural dipoles extending from a common centerHAZELTINE CORP·Filed 1984·Granted Dec 30, 1986·26 cites·22 claims
- 3869US4709262AColor monitor with improved color accuracy and current sensorHAZELTINE CORP·Filed 1987·Granted Nov 24, 1987·35 cites·19 claims
- 3968US5742593AOn-line distributed TDMA/FDMA/CDMA link assignment in mobile radio networks with flexible directivityHAZELTINE CORP·Filed 1995·Granted Apr 21, 1998·72 cites·17 claims
- 4068US5270723ANear field antenna measurement systems and methodsHAZELTINE CORP·Filed 1992·Granted Dec 14, 1993·27 cites·30 claims
- 4168US4359740APhased array antenna with extinguishable phase shiftersHAZELTINE CORP·Filed 1978·Granted Nov 16, 1982·23 cites·1 claims
- 4268US4158859AAutomatic control of iris and clamping voltage in video signal generatorHAZELTINE CORP·Filed 1977·Granted Jun 19, 1979·17 cites·19 claims
- 4367US5581260AAngular diversity/spaced diversity cellular antennas and methodsHAZELTINE CORP·Filed 1995·Granted Dec 3, 1996·43 cites·11 claims
- 4467US5214436AAircraft antenna with coning and banking correctionHAZELTINE CORP·Filed 1992·Granted May 25, 1993·37 cites·38 claims
- 4566US4739351AVerification of on-line fault monitor performanceHAZELTINE CORP·Filed 1986·Granted Apr 19, 1988·30 cites·7 claims
- 4666US4675686AFlotation bag assemblyHAZELTINE CORP·Filed 1986·Granted Jun 23, 1987·22 cites·17 claims
- 4766US4321605AArray antenna systemHAZELTINE CORP·Filed 1980·Granted Mar 23, 1982·21 cites·10 claims
- 4865US4651155ABeamforming/null-steering adaptive arrayHAZELTINE CORP·Filed 1982·Granted Mar 17, 1987·22 cites·3 claims
- 4965US4535447ARemote monitoring system transmitterHAZELTINE CORP·Filed 1983·Granted Aug 13, 1985·36 cites·5 claims
- 5065US3981014AInterference rejection system for multi-beam antennaHAZELTINE CORP·Filed 1974·Granted Sep 14, 1976·14 cites·5 claims
Showing the top 50 of 137 patent records by PatentIndex Score.
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