| Patents for H01Q 3 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system (21,949) |
|---|
| 09/05/1978 | US4112430 Beamformer for wideband signals |
| 08/15/1978 | US4107685 Beam forming system |
| 08/15/1978 | CA1036709A1 Antenna system for radiating doppler coded pattern using multiple beam antenna |
| 08/01/1978 | US4104640 Steerable antenna arrangement |
| 08/01/1978 | US4104636 Doppler reference antenna with phased centerline emphasis |
| 07/25/1978 | US4103303 Frequency scanned corner reflector antenna |
| 07/25/1978 | US4103218 Phase-shifting system for electronically scanning antennas |
| 07/18/1978 | US4101902 Electronic scanning antenna |
| 07/18/1978 | US4101852 Microacoustic shear bulk wave device |
| 07/18/1978 | US4101836 Sectored antenna receiving system |
| 07/11/1978 | US4100548 Bifocal pillbox antenna system |
| 07/11/1978 | US4100496 Ghost cancellation device |
| 07/11/1978 | US4100472 Satellite tracking antenna system |
| 07/11/1978 | US4099879 Optical antenna or lens |
| 07/04/1978 | US4099184 Directive antenna with reflectors and directors |
| 06/27/1978 | US4097866 Multilevel sidelobe canceller |
| 06/20/1978 | US4096477 Identification system using coded passive transponders |
| 05/30/1978 | US4092647 Line source antenna for small angle electronic beam scanning |
| 05/23/1978 | US4091387 Beam forming network |
| 05/16/1978 | US4090204 Electronically steered antenna system using a reflective surface formed of piezoelectric transducers |
| 05/16/1978 | US4090199 Radio frequency beam forming network |
| 05/16/1978 | US4090198 Passive reflectance modulator |
| 05/09/1978 | US4088970 Phase shifter and polarization switch |
| 05/02/1978 | US4087821 Polarization controllable lens |
| 04/25/1978 | US4086597 Continuous line scanning technique and means for beam port antennas |
| 04/25/1978 | US4086592 Digital sidelobe canceller |
| 04/18/1978 | US4085404 Phasing optimization at the feed probes of a parallel plate lens antenna |
| 03/28/1978 | US4081803 Multioctave turnstile antenna for direction finding and polarization determination |
| 03/21/1978 | US4080605 Multi-beam radio frequency array antenna |
| 03/21/1978 | US4080579 Stripline four port hybrid junction |
| 03/14/1978 | US4079383 Pointing error compensating device |
| 03/14/1978 | US4079381 Null steering apparatus for a multiple antenna array on an AM receiver |
| 03/14/1978 | US4079380 Null steering apparatus for a multiple antenna array on an FM receiver |
| 03/14/1978 | US4079379 Null steering apparatus for a multiple antenna array |
| 02/28/1978 | US4077000 Directional antenna azimuth control system |
| 02/21/1978 | US4075566 Co-channel interference suppression apparatus |
| 02/14/1978 | US4074268 Electronically scanned antenna |
| 02/14/1978 | US4074266 System for receiving radio waves through single antenna apparatus |
| 02/07/1978 | US4072956 Multifrequency array using common phasors |
| 02/07/1978 | US4072886 Apparatus for remote control of antenna rotators |
| 01/31/1978 | US4071847 Radio navigation antenna system |
| 01/24/1978 | US4070678 Wide angle scanning antenna assembly |
| 01/24/1978 | US4070675 Power rejection apparatus using a null-constrained subarray for MTI radar applications |
| 01/24/1978 | US4070621 Antenna with electro-optical modulator |
| 12/27/1977 | US4065771 Random scanning receiver |
| 12/13/1977 | US4063250 Beam and null switch step steerable antenna system |
| 12/13/1977 | US4063243 Conformal radar antenna |
| 12/06/1977 | US4062018 Scanning antenna with moveable beam waveguide feed and defocusing adjustment |
| 11/29/1977 | US4060850 Beam former using bessel sequences |
| 11/29/1977 | US4060808 Antenna system with automatic depolarization correction |
| 11/29/1977 | US4060792 Hard clipped beam former |
| 10/11/1977 | US4053895 Electronically scanned microstrip antenna array |
| 10/04/1977 | US4052723 Randomly agglomerated subarrays for phased array radars |
| 08/30/1977 | US4045800 Phase steered subarray antenna |
| 08/23/1977 | US4044361 Satellite tracking cassegrainian antenna |
| 08/23/1977 | US4044360 Two-mode RF phase shifter particularly for phase scanner array |
| 08/23/1977 | US4044359 Multiple intermediate frequency side-lobe canceller |
| 08/16/1977 | US4042933 Antenna line scan system for helicopter wire detection |
| 08/16/1977 | US4042931 Tracking system for multiple beam antenna |
| 08/16/1977 | US4042831 Core memory phaser driver |
| 08/09/1977 | US4041501 Limited scan array antenna systems with sharp cutoff of element pattern |
| 08/09/1977 | US4041500 Line scan radar antenna using a single motor |
| 08/09/1977 | US4041496 Automatic direction finding system |
| 08/02/1977 | US4040058 Direction finder |
| 07/12/1977 | US4035807 Integrated microwave phase shifter and radiator module |
| 07/12/1977 | US4035805 Satellite tracking antenna system |
| 07/05/1977 | US4034374 Sequential lobing track-while-scan radar |
| 06/28/1977 | US4032922 Multibeam adaptive array |
| 06/14/1977 | US4030099 Digital antenna control apparatus for a communications terminal |
| 06/07/1977 | US4028710 Apparatus for steering a rectangular array of elements by an angular increment in one of the orthogonal array directions |
| 06/07/1977 | US4028708 Antenna feed for dual beam conical scan tracking radar |
| 06/07/1977 | US4028702 Fiber optic phased array antenna system for RF transmission |
| 06/07/1977 | US4028624 Electronic switching arrangement for a homing and traffic radio system |
| 05/03/1977 | US4021813 Geometrically derived beam circular antenna array |
| 05/03/1977 | US4021805 Sidelobe blanking system |
| 04/26/1977 | US4020491 Combination gyro and pendulum weight passive antenna platform stabilization system |
| 04/19/1977 | US4019184 Direction-finding method and system |
| 04/12/1977 | US4017867 Antenna assembly producing steerable beam and null |
| 04/12/1977 | US4017860 Radio navigation beacon |
| 03/22/1977 | US4014026 Power operated antenna assembly |
| 03/22/1977 | US4014024 Non-rotating antenna |
| 03/22/1977 | US4014023 Beam former utilizing geometric sampling |
| 03/01/1977 | US4010474 Two dimensional array antenna |
| 03/01/1977 | US4010472 Antenna scanning apparatus |
| 03/01/1977 | US4010471 Polarization rotator for phase array antennas |
| 03/01/1977 | US4010469 Interference suppression |
| 01/25/1977 | US4005432 Commutated log periodic antenna array for automatic direction finding |
| 01/25/1977 | US4005361 Performance assurance apparatus for phased antenna array drives |
| 01/04/1977 | US4001837 Dual scan corner reflector antenna |
| 01/04/1977 | US4001835 Scanning antenna with extended off broadside scanning capability |
| 01/04/1977 | US4001830 Radio receiver set with rotatable antenna |
| 01/04/1977 | US4001763 Electronically stabilized beam former system |
| 12/21/1976 | US3999184 Satellite tracking antenna apparatus |
| 12/21/1976 | US3999182 Phased array antenna with coarse/fine electronic scanning for ultra-low beam granularity |
| 12/07/1976 | US3996592 Antenna with rotatable sensitivity pattern |
| 11/30/1976 | US3995271 Adaptive clutter cancellation and interference rejection system for AMTI radar |
| 11/23/1976 | US3993999 Amplitude modulation scanning antenna system |
| 10/26/1976 | US3988737 Pivoted rod television receiving antenna for indoor use |
| 10/26/1976 | US3988736 Steerable feed for toroidal antennas |
| 10/19/1976 | US3987452 Tracking antenna mount with complete hemispherical coverage |