Patents for H01Q 23 - Aerials with active circuits or circuit elements integrated within them or attached to them (3,771) |
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11/19/1998 | WO1998052246A1 An integrated antenna phase shifter |
11/18/1998 | EP0878865A1 Improved antenna system and method thereof |
11/11/1998 | EP0877439A2 GPS wave receiving film antenna apparatus |
11/10/1998 | US5835069 Navigation satellite system component |
11/03/1998 | US5832365 Communication system comprising an active-antenna repeater |
10/29/1998 | WO1998048480A1 Antenna system |
10/29/1998 | CA2287357A1 Antenna system |
10/28/1998 | CN1197309A Circular-polarization antenna |
10/27/1998 | US5828339 Integrated directional antenna |
10/21/1998 | EP0872912A2 Circular-polarization antenna |
10/20/1998 | US5825333 Offset multibeam antenna |
10/08/1998 | DE19813767A1 Microwave transceiver module |
10/07/1998 | EP0869579A1 Antenna device |
10/07/1998 | EP0868764A1 Low-cost communication phased-array antenna |
10/06/1998 | US5818386 Design of an electronic beam forming network for phased array applications |
10/01/1998 | WO1998043417A1 Wireless receiving subsystem with antenna and switchable amplifier |
09/23/1998 | EP0866517A2 Antenna-integral high frequency circuit electromagnetically coupling feeder circuit connected to high frequency circuit to microstrip antenna via slot coupling hole |
09/23/1998 | EP0866516A1 Deployed payload for a communications spacecraft |
09/17/1998 | DE19710811A1 Directional radiation apparatus for electromagnetic waves |
09/16/1998 | CN1039860C Balun apparatus and method of designing same |
09/09/1998 | EP0862798A1 Integrated microwave terrestrial radio with dovetail attachment |
09/09/1998 | CN1192826A Integrated directional antenna |
09/03/1998 | WO1998038749A1 Satellite broadcast system receiver |
09/01/1998 | US5801663 Pane antenna having at least one wire-like antenna conductor combined with a set of heating wires |
08/26/1998 | CN1191637A Large phased-array communications satellite |
08/19/1998 | EP0859425A1 On-vehicle radar antenna |
08/13/1998 | WO1998035402A1 Antenna with variable geometry |
08/13/1998 | CA2279987A1 Antenna with variable geometry |
08/12/1998 | EP0858126A2 Monolithic antenna |
08/12/1998 | CN1190339A System for measuring and indicating changes in resistance of living body |
08/11/1998 | US5794138 Satellite broadcast system receiver |
07/23/1998 | WO1998032234A1 Antenna circuit |
07/22/1998 | EP0737371B1 Planar antenna |
07/15/1998 | CN1039174C Plane array antenna for receiving satellite broadcasting |
07/14/1998 | US5781159 Planar antenna with integral impedance matching |
07/14/1998 | US5781155 Navigation wristwear |
07/09/1998 | WO1998029922A1 Method for integrating antennas in a distributed antenna system |
07/09/1998 | WO1998029920A1 Electronics unit for wireless transfer of signals |
07/09/1998 | CA2276404A1 Method for integrating antennas in a distributed antenna system |
07/07/1998 | US5777584 Planar antenna |
07/01/1998 | EP0851531A2 Antenna assembly |
06/24/1998 | EP0849825A2 Antenna arrangement, in particular for motor vehicles |
06/24/1998 | CN1038887C Active transmit phased array antenna |
06/16/1998 | US5768694 Automatic gain control circuit with input and output signal detectors operating in equalized conditions |
06/09/1998 | US5764189 Doppler radar module |
06/04/1998 | DE19649305A1 Hybrid transmission system with fallback for links with high availability requirements |
06/02/1998 | US5760749 Antenna integral-type transmitter/receiver system |
06/02/1998 | US5760703 Remote controlled security switch |
05/26/1998 | US5757074 Accuracy, efficiency |
05/22/1998 | WO1998021833A1 Transmitter unit and base station |
05/19/1998 | US5754138 Method and intelligent digital beam forming system for interference mitigation |
05/12/1998 | US5752172 Distributed transmitter output power control circuit and method for a radio telephone |
04/29/1998 | CN2280356Y Double layer amplifier antenna |
04/28/1998 | US5745077 High efficiency satellite equally loaded transmitting communication system |
04/15/1998 | EP0835456A1 Improvements in or relating to motion detection units |
04/09/1998 | WO1998015030A1 Microstrip antenna with control of the direction of the axis of maximum radiation |
04/07/1998 | US5736963 Feed device for a multisource and multibeam antenna |
04/01/1998 | EP0833403A2 Communication system comprising an active-antenna repeater |
03/31/1998 | CA2133038C Plane array antenna for receiving satellite broadcasting |
03/25/1998 | EP0831553A2 Antenna device |
03/25/1998 | EP0831552A2 Array antenna, antenna device with the array antenna and antenna system employing the antenna device |
03/25/1998 | EP0831551A2 Antenna device |
03/25/1998 | CN2277117Y Antenna steering remote-control device |
03/19/1998 | WO1998011626A1 Antenna system for enhancing the coverage area, range and reliability of wireless base stations |
03/19/1998 | CA2265987A1 Antenna system for enhancing the coverage area, range and reliability of wireless base stations |
03/18/1998 | EP0829923A1 Device with radiating elements |
03/12/1998 | WO1998010487A1 Integrated microwave terrestrial radio with dovetail attachment |
03/12/1998 | WO1998010484A1 On-vehicle radar antenna |
03/12/1998 | DE19636277A1 Electromagnetic field change detector for use by layman |
03/10/1998 | US5726667 Portable communication system |
03/03/1998 | US5724042 Radar module and antenna device |
02/03/1998 | US5714965 Active reception antenna with coplanar feeder |
01/29/1998 | WO1998003938A1 Transponder |
01/28/1998 | EP0821429A2 Vehicle antenna |
01/22/1998 | DE19628802A1 Transponder Transponder |
01/14/1998 | EP0818848A2 Active receiving antenna |
01/07/1998 | EP0815613A1 Dual frequency antenna with integral diplexer |
12/29/1997 | EP0814538A1 Integrated flat antenna and radio frequency unit for point-to-point microwave radio communications |
12/09/1997 | US5697076 Suspended carrier modulation of high-Q transmitters |
12/09/1997 | US5697075 Diversity apparatus for a global positioning system antenna |
12/03/1997 | CN1166694A Solid-state antenna switch and field-effect transistor |
11/26/1997 | CN2268991Y Active antenna for superwide spectrum |
11/13/1997 | WO1997041774A1 A system for measuring and indicating changes in the resistance of a living body |
11/06/1997 | WO1997041642A1 Transmitter combiner arrangement |
11/04/1997 | US5684492 Antenna device having a band pass filter |
10/14/1997 | US5678219 Integrated electronic warfare antenna receiver |
10/08/1997 | EP0800231A2 Planar antenna module |
10/08/1997 | EP0800228A1 Antenna amplifier on a window pane |
10/07/1997 | US5675295 Microwave oscillator, an antenna therefor and methods of manufacture |
10/02/1997 | DE19612876A1 Microwave measuring system for position and coordinate measurements in machine tool |
09/23/1997 | US5671133 Electric power receiving and supplying circuit |
09/16/1997 | US5668563 Integral type flat antenna provided with converter function |
09/04/1997 | WO1997032355A1 Antenna device for vehicles |
09/03/1997 | EP0793293A1 Antenna unit |
08/27/1997 | EP0792028A2 Solid-state antenna switch and field-effect transistor |
08/21/1997 | WO1997002733A3 Microwave/millimeter wave circuit structure with discrete flip-chip mounted elements, and method of fabricating the same |
08/21/1997 | EP0782766A3 Microwave/millimeter wave circuit structure with discrete flip-chip mounted elements, and method of fabricating the same |
08/12/1997 | US5657024 Radar module and radar system |
08/07/1997 | DE19603366A1 High frequency signal transmitting device |
07/09/1997 | EP0782766A2 Microwave/millimeter wave circuit structure with discrete flip-chip mounted elements, and method of fabricating the same |