| 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) |
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| 09/03/1997 | CN1158547A Radio base station |
| 09/02/1997 | US5663736 Multi-throw electronic switch for a fiber optical cable network |
| 08/27/1997 | EP0792031A2 Receiving antenna scanning system in the VHF region for cars with controllable switching unit |
| 08/27/1997 | EP0792028A2 Solid-state antenna switch and field-effect transistor |
| 08/27/1997 | CN1158187A Phased array spread spectrum system and method |
| 08/26/1997 | US5661594 Controllable optical periodic surface filters |
| 08/26/1997 | US5661489 Enhanced electronically steerable beam-forming system |
| 08/26/1997 | US5661488 Antenna drive apparatus equipped with a stepping motor |
| 08/20/1997 | EP0790711A1 Spread spectrum radio transmission digital mobile communication device |
| 08/20/1997 | EP0789938A1 An antenna control system |
| 08/19/1997 | US5659888 Radio telecommunication apparatus |
| 08/19/1997 | US5659572 Phased array spread spectrum system and method |
| 08/19/1997 | CA2085330C Method and arrangement of pointing an antenna beam to a stationary satellite |
| 08/13/1997 | CN2259690Y External antenna device for calling device |
| 08/12/1997 | US5657026 Beacon signal receiving system |
| 08/12/1997 | US5657024 Radar module and radar system |
| 08/12/1997 | US5657023 Self-phase up of array antennas with non-uniform element mutual coupling and arbitrary lattice orientation |
| 08/12/1997 | CA1339283C Self monitoring/calibrating phased array radar and an interchangeable, adjustable transmit/receive sub-assembly |
| 08/07/1997 | WO1997028615A1 Method and apparatus for cellular radiotelephone base stations using selected multiple diversity reception |
| 08/07/1997 | WO1997028576A1 A method and arrangement relating to a telecommunication system |
| 08/07/1997 | CA2242056A1 Method and apparatus for cellular radiotelephone base stations using selected multiple diversity reception |
| 08/06/1997 | EP0788284A1 Scanning antenna for a communications system |
| 08/06/1997 | EP0787371A1 Printed antenna |
| 08/06/1997 | EP0678220B1 Multisatellite television antenna mount |
| 08/05/1997 | US5654766 Television tuning systems and methods employing use of ghost cancellation and antenna directionality control to produce a ghost-free television signal |
| 07/31/1997 | WO1997027644A1 Dynamic plasma driven antenna |
| 07/31/1997 | WO1997027643A1 Apparatus and method for adaptive beamforming in an antenna array |
| 07/30/1997 | EP0786826A2 Intermodulation scattering communications apparatus |
| 07/29/1997 | US5652596 Scanned antenna system and method |
| 07/29/1997 | US5652591 Wideband and wide angle sidelobe cancellation technique |
| 07/23/1997 | EP0784877A1 Quadrifilar helix antenna and feed network |
| 07/23/1997 | EP0784876A1 180o POWER DIVIDER FOR A HELIX ANTENNA |
| 07/23/1997 | EP0568691B1 Monolithic integrated optical time delay network for antenna beam steering |
| 07/22/1997 | US5650787 Scanning antenna with solid rotating anisotropic core |
| 07/22/1997 | US5650786 Compensation device for aiming errors caused by the malfunctioning of electronic scanning antenna phase-shifters or by the malfunctioning of coefficients of antennas with beam-shaping by computation |
| 07/16/1997 | CN1154579A Antenna apparatus, method of manufacturing same and method of designing same |
| 07/15/1997 | US5649306 Portable radio housing incorporating diversity antenna structure |
| 07/15/1997 | US5649287 Orthogonalizing methods for antenna pattern nullfilling |
| 07/15/1997 | US5648968 Narrow beam antenna systems with angular diversity |
| 07/15/1997 | US5648784 procedure for controlling a scanning antenna |
| 07/15/1997 | US5648767 Transponder detection system and method |
| 07/10/1997 | WO1997024626A2 Itinerary monitoring system |
| 07/09/1997 | EP0637405B1 Device for generating optical signals |
| 07/08/1997 | US5646638 Portable digital satellite system |
| 07/08/1997 | US5646632 Method and apparatus for a portable communication device to identify its own location |
| 07/08/1997 | US5646631 Peak power reduction in power sharing amplifier networks |
| 07/03/1997 | WO1997023923A1 Low-cost communication phased-array antenna |
| 07/01/1997 | US5644316 Active phased array adjustment using transmit amplitude adjustment range measurements |
| 06/26/1997 | WO1997023017A1 Antenna assembly and associated method for radio communication device |
| 06/25/1997 | CN1152958A Arrangement for detecting objects in a region to be monitored |
| 06/24/1997 | US5642353 Spatial division multiple access wireless communication systems |
| 06/19/1997 | WO1997022158A1 Voltage controlled ferroelectric lens phased array |
| 06/18/1997 | EP0779006A2 Television tuning systems and methods to produce a ghost-free television signal |
| 06/18/1997 | EP0779001A1 Reception method and base station receiver |
| 06/18/1997 | CN1152196A Parabolic antenna |
| 06/17/1997 | US5640001 Hand-held instant bar code reader having automatic focus control for operation over a range of distances |
| 06/17/1997 | CA2110712C Telecommunications system using directional antennas |
| 06/12/1997 | WO1997021284A1 Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array |
| 06/12/1997 | DE19650544A1 Flat antenna and phase comparison mono pulsed radar system |
| 06/12/1997 | CA2239513A1 Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array |
| 06/11/1997 | EP0700585A4 Antennas for use in portable communications devices |
| 06/10/1997 | CA2071269C Antenna with offset arrays and dual axis rotation |
| 06/04/1997 | EP0777400A2 Personal beam cellular communication system |
| 06/04/1997 | EP0776550A1 A receiver with an antenna array |
| 06/04/1997 | CN1151228A Adaptive sectorization in a spread spectrum communication system |
| 06/03/1997 | US5635941 Method and apparatus for feeding over-modulated message signals to antennas of an antenna array |
| 06/03/1997 | US5635939 Device and method of using an auxiliary antenna outfitted with an adaptive space filter for anti-jamming a major associated antenna |
| 05/28/1997 | EP0776062A1 Display for adjusting direction of satellite signal receiving antenna |
| 05/28/1997 | EP0775391A1 Spectrally efficient and high capacity acknowledgment radio paging system |
| 05/28/1997 | EP0632900A4 Method and means for determining directional characteristics of large sensor or radiator arrays. |
| 05/27/1997 | US5634199 Method of subspace beamforming using adaptive transmitting antennas with feedback |
| 05/27/1997 | US5633889 Phased array spread spectrum system and method |
| 05/27/1997 | US5633647 Base support for movable antenna |
| 05/27/1997 | CA2043135C Plural frequency matrix multiplexer |
| 05/21/1997 | CN1150499A Antenna array calibration |
| 05/21/1997 | CN1150498A Microstrip antenna array |
| 05/15/1997 | WO1997017770A1 Apparatus and method for signal transmission and reception using an adaptive antenna |
| 05/15/1997 | CA2236917A1 Apparatus and method for signal transmission and reception using an adaptive antenna |
| 05/14/1997 | EP0773598A2 Aperture antenna |
| 05/14/1997 | EP0772786A1 Radar system including stabilization calibration arrangement |
| 05/14/1997 | CN1149946A Diversity combining for antennas |
| 05/13/1997 | US5630223 Adaptive method and apparatus for eliminating interference between radio transceivers |
| 05/13/1997 | US5629709 Tracking control device of antenna loaded on movable body and tracking control method of the antenna |
| 05/09/1997 | WO1997016865A1 Transponder employing microstrip double patch antenna |
| 05/07/1997 | EP0772291A2 Method and system for increasing the power efficiency of a balanced amplifier/antenna combination |
| 05/07/1997 | EP0771430A1 Arrangement for detecting objects in a region to be monitored |
| 05/07/1997 | CN1149209A Antenna against harmful electromagnetic radiation |
| 05/06/1997 | US5627672 Controllable optical periodic surface filters as a Q-switch in a resonant cavity |
| 05/06/1997 | US5627553 Folded lens antenna |
| 05/02/1997 | EP0687388B1 Drive arrangement for mechanically-steered antennas |
| 05/01/1997 | CA2186278A1 Method and system for increasing the power efficiency of a balanced amplifier/antenna combination |
| 04/30/1997 | CN1148907A 天线系统 Antenna System |
| 04/29/1997 | US5625880 Spectrally efficient and high capacity acknowledgement radio paging system |
| 04/24/1997 | WO1997015092A1 Method and system for communicating electromagnetic signals |
| 04/23/1997 | CN1148444A Radio transmission system and a radio apparatus for use in such system |
| 04/22/1997 | US5623360 Time delay beam formation |
| 04/22/1997 | US5623270 Phased array antenna |
| 04/22/1997 | US5623269 Mobile communication satellite payload |
| 04/22/1997 | CA2076897C Broadband conformal inclined slotline antenna array |
| 04/17/1997 | WO1997014192A1 Very small aperture terminal and antenna for use therein |