Patents
Patents for H01Q 9 - Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements (23,053)
05/1995
05/02/1995US5412392 Portable radio unit having strip antenna with parallel twin-lead feeder
05/02/1995US5412310 Switchable inductor for strong currents
04/1995
04/27/1995DE4336355A1 Receiving device for the reception of electromagnetic waves at different frequencies
04/25/1995US5410323 Planar antenna
04/25/1995US5410322 Circularly polarized wave microstrip antenna and frequency adjusting method therefor
04/20/1995DE4335650A1 Broadband dipole
04/19/1995EP0649181A1 Antenna for portable radio apparatus, method for manufacturing the same and portable radio apparatus comprising the same
04/19/1995EP0634057A4 Antenna assembly for radio circuit and method therefor.
04/18/1995US5408241 Apparatus and method for tuning embedded antenna
04/18/1995CA2053890C Time domain radio transmission system
04/15/1995CA2118082A1 Portable radio antenna and process for fabricating and portable radio using said antenna
04/13/1995DE4436157A1 Antenne Antenna
04/13/1995DE4421759C1 Doppler direction finder
04/11/1995US5406296 Three-wave antenna for vehicles
04/11/1995US5406295 Window antenna for a motor vehicle body
04/11/1995US5406206 Method of evaluating a geological formation using a logging tool including slot antenna having two nonparallel elements
04/06/1995WO1995009455A1 Multipatch antenna
04/06/1995CA2172834A1 Multipatch antenna
04/05/1995EP0646986A1 Tunable circuit board antenna
04/05/1995EP0646985A1 Tuned stripline antenna with a sail
04/05/1995EP0646983A2 Modulated backscatter microstrip patch antenna
04/04/1995US5404145 Terminating device
03/1995
03/30/1995WO1995008853A1 Antenna arrangement for a wireless communication device
03/29/1995CN1100841A Beam antenna for base station of mobile telephone
03/28/1995US5402136 Combined capacitive loaded monopole and notch array with slits for multiple resonance and impedance matching pins
03/23/1995WO1995007730A1 Gamma matched, helical dipole microwave antenna with tubular-shaped capacitor
03/23/1995CA2169338A1 Gamma matched, helical dipole microwave antenna with tubular-shaped capacitator
03/22/1995EP0644606A1 Portable radio communication device and loaded antenna therefor
03/21/1995US5400041 Radiating element incorporating impedance transformation capabilities
03/21/1995US5400040 Microstrip patch antenna
03/21/1995CA2053643C Double polarization radiating element feeding device
03/16/1995WO1995007557A1 Monopolar wire-plate antenna
03/15/1995CN2192082Y Shortwave unloading broad-band antenna
03/09/1995WO1995006962A1 A folder dipole antenna
03/09/1995DE4329123A1 Microstrip antenna
03/08/1995EP0642189A1 Antenna for portable radio apparatus
03/02/1995WO1995006338A1 Folded monopole antenna for use with portable communications devices
02/1995
02/28/1995US5394164 Human-equivalent antenna for electromagnetic fields
02/28/1995US5394159 Microstrip patch antenna with embedded detector
02/28/1995CA2028753C Circularly polarized broadband microstrip antenna
02/23/1995DE4327955A1 Hand-held radio telephone
02/22/1995CN2190354Y Telescopic antenna
02/21/1995US5392055 Radio antenna
02/21/1995US5392049 Device for positioning a first object relative to a second object
02/16/1995WO1995005011A1 Printed circuit dipole antenna
02/14/1995US5389937 Wedge feed system for wideband operation of microstrip antennas
02/07/1995US5387919 Dipole antenna having co-axial radiators and feed
02/02/1995WO1995003640A1 Aerial arrangement
02/01/1995EP0637094A1 Antenna for mobile communication
02/01/1995EP0637093A1 Antenna
01/1995
01/31/1995US5386215 Highly efficient planar antenna on a periodic dielectric structure
01/31/1995US5386214 Electronic circuit device
01/18/1995EP0634808A1 Raised patch antenna
01/18/1995EP0634057A1 Radio circuit including antenna assembly
01/17/1995CA2021057C Double skirt omnidirectional dipole antenna
01/14/1995CA2126931A1 Raised patch antenna
12/1994
12/28/1994EP0409867B1 Balanced low profile hybrid antenna
12/21/1994EP0630069A1 Antenna apparatus
12/21/1994CN1096615A Antenna sembly for radio corcuit and method therefor
12/08/1994WO1994028594A1 An efficient electrically small loop antenna with a planar base element
12/08/1994WO1994028593A1 Antenna device for portable equipment
12/07/1994EP0627783A1 Radiating multi-layer structure with variable directivity
12/07/1994EP0424509B1 Short-range radar transceiver employing a fet oscillator
12/07/1994CN1096137A Broad-band central feed whip aerial
12/06/1994US5371507 Planar antenna with ring-shaped radiation element of high ring ratio
12/06/1994US5370677 Gamma matched, helical dipole microwave antenna with tubular-shaped capacitor
12/06/1994CA1333417C Transponder antenna
11/1994
11/29/1994US5369782 Radio relay system, including interference signal cancellation
11/22/1994US5367312 Biconical dipole antenna
11/22/1994US5367311 Antenna for broad-band ultrahigh frequency
11/22/1994US5367310 Fiber optic antenna radiation efficiency tuner
11/17/1994DE4315847A1 Connection between a transmitter and/or receiver and an antenna
11/16/1994CN2183033Y Thin sheet aerial
11/15/1994US5365247 Transmitters and receivers with antennas
11/15/1994US5365246 Transmitting and/or receiving arrangement for portable appliances
11/15/1994CA2032650C Multiband antenna
11/15/1994CA2020220C Method and apparatus for tube element bracket
11/09/1994EP0623219A1 Device for wireless transfer of information
11/08/1994US5363108 Time domain radio transmission system
11/08/1994CA2063794C Multi-resonant laminar antenna
11/02/1994CN2181759Y TV antenna
10/1994
10/27/1994WO1994024723A1 A small, double ring microstrip antenna
10/27/1994WO1994024722A1 Small microstrip antenna having a partial short circuit
10/26/1994EP0621653A2 Surface-mountable antenna unit
10/18/1994US5357261 Antenna for matched transmission system
10/18/1994US5357223 Connection device between an antenna and a microelectronic enclosure
10/11/1994US5355143 Enhanced performance aperture-coupled planar antenna array
10/11/1994US5355142 Microstrip antenna structure suitable for use in mobile radio communications and method for making same
10/11/1994US5353493 Method for manufacturing whip antenna
10/05/1994EP0618639A2 Antenna apparatus and antenna system
10/05/1994CN1093203A 天线 Antenna
10/04/1994US5353038 For composite aircraft structures
10/04/1994US5353035 Microstrip radiator for circular polarization free of welds and floating potentials
09/1994
09/29/1994WO1994021001A1 Antenna assembly for radio circuit and method therefor
09/29/1994DE4310070A1 Hyperthermy applicator
09/28/1994EP0617480A1 Radiating structure with variable directivity
09/28/1994EP0616734A1 Aerial arrangement, especially for communications terminals.
09/28/1994EP0484454B1 Transmitting and receiving arrangement for portable appliances
09/27/1994US5351063 Ultra-wideband high power photon triggered frequency independent radiator with equiangular spiral antenna
09/22/1994DE4308604A1 Linear antenna array having an omnidirectional characteristic