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)
01/2005
01/22/2005CA2435830A1 Ultra wideband antenna
01/20/2005WO2005006493A1 Communication device and an antenna therefor
01/20/2005WO2005006490A1 Internal triple-band antenna
01/20/2005WO2005006488A1 Planar antenna
01/20/2005WO2005006486A1 Apparatus for reducing ground effects in a folder-type communications handset device
01/20/2005WO2005006485A2 Coaxial inductor and dipole eh antenna
01/20/2005WO2005006357A1 Inductive-system
01/20/2005WO2004093243A3 Self-compensating antennas for substrates having differing dielectric constant values
01/20/2005WO2004093242A3 Rfid tag using a surface insensitive antenna structure
01/20/2005WO2002007252A8 Phased array antenna having patch antenna elements with enhanced parasitic antenna element performance at millimeter wavelength radio frequency signals
01/20/2005US20050012675 Antenna and apparatus comprising this antenna
01/20/2005US20050012669 Mobile radio terminal containing two antenna elements
01/20/2005US20050012668 Multi-frequency antenna
01/20/2005DE10328361A1 PIFA-Antennenanordnung für mehrere Mobilfunk-Frequenzbänder PIFA antenna array for multiple cellular frequency bands
01/19/2005EP1498985A1 Antenna device and method for manufacturing the same
01/19/2005EP1498984A1 Double resonance antenna structure for several frequency ranges
01/19/2005EP1498982A1 A dielectric substrate single layer planar dipole antenna
01/19/2005EP1498981A1 Mobile radio terminal containing two antenna elements
01/19/2005CN2672889Y Multiple frequency band antenna
01/19/2005CN1568561A Coating applied antenna and method of making same
01/19/2005CN1185762C Multiband antenna for communication terminal
01/19/2005CN1185761C Broadband miniaturized slow-wave antenna
01/19/2005CN1185759C Antenna device and piece of telecommunication equipment including such device
01/18/2005US6845253 Electromagnetic antenna apparatus
01/18/2005US6844853 Dual band antenna for wireless communication
01/18/2005US6844852 Microelectromechanical systems actuator based reconfigurable printed antenna
01/18/2005US6844851 Planar antenna having linear and circular polarization
01/18/2005US6844849 Circular superdirective receive antenna arrays
01/13/2005WO2005004283A1 Triple band gps trap-loaded inverted l antenna array
01/13/2005WO2005004282A1 Antenna element and mobile telephone device
01/13/2005WO2005004279A1 An apparatus for radio reception
01/13/2005WO2005004277A1 Method and apparatus for reducing sar exposure in a communications handset device
01/13/2005WO2005004044A1 Antenna circuit and noncontact ic card
01/13/2005WO2004068631A3 A single-feed, multi-band, virtual two-antenna assembly
01/13/2005WO2004038853A3 Independently tubable multifand meanderline loaded antenna
01/13/2005US20050009589 Dedicated short-range communication apparatus for motor vehicle
01/13/2005US20050009472 Electronically tunable quad-band antennas for handset applications
01/13/2005US20050007296 Antenna coil and rfid-use tag using it, transponder-use antenna
01/13/2005US20050007291 System and method for impedance matching an antenna to sub-bands in a communication band
01/13/2005US20050007290 Low cost omni-directional antenna manufactured from conductive loaded resin-based materials
01/13/2005US20050007283 Apparatus for reducing ground effects in a folder-type communications handset device
01/13/2005US20050007282 Antenna
01/13/2005US20050007280 Antenna module for a portable electronic apparatus
01/13/2005US20050007279 Dual band antenna
01/13/2005US20050007276 Circular superdirective receive antenna arrays
01/13/2005US20050006484 IC card with radio interface function, antenna module and data processing apparatus using the IC card
01/13/2005US20050006126 Low cost shielded cable manufactured from conductive loaded resin-based materials
01/13/2005DE3250133B4 Electromagnetic radiation sensor for e.g. mm waveband at 30 to 300 GHz - has dielectric support body with metal antenna in close proximity so that resonance is dependent on dielectric properties of body
01/13/2005CA2522611A1 Triple band gps trap-loaded inverted l antenna array
01/12/2005EP1496569A1 Dualband base station antenna using ring antenna elements
01/12/2005EP1496566A1 Cellular phone and antenna built therein
01/12/2005EP1496563A2 Circuit board bonded to ground, "T" branching circuit, waveguide-microstrip transition
01/12/2005EP1496528A2 Differential capacitor, differential antenna element, and differential resonator
01/12/2005EP1232537B1 Antenna system
01/12/2005EP1151496A4 Compact wideband antenna
01/12/2005CN2671143Y Antenna and radio frequency module
01/12/2005CN1564374A Piezoelectric phonon electromagnetic coupled crystal antenna device
01/12/2005CN1184838C Laminated resonant structure antenna and multi-frequency radio communication apparats. contg. same
01/12/2005CN1184720C Socket antenna and electronic equipment using the same antenna
01/12/2005CN1184719C Antenna device for a radio communications device
01/11/2005US6842158 Wideband low profile spiral-shaped transmission line antenna
01/11/2005US6842155 Low-cost coaxial cable fed inverted-L antenna
01/11/2005US6842149 Combined mechanical package shield antenna
01/11/2005US6842144 High gain integrated antenna and devices therefrom
01/11/2005US6842143 Multiple band antenna
01/11/2005US6842142 Antenna and communication equipment incorporating the antenna
01/11/2005US6842141 Fourpoint antenna
01/11/2005US6842140 High efficiency slot fed microstrip patch antenna
01/11/2005CA2358816C Above deck unit for automatic identification system
01/11/2005CA2324383C Dual-mode satellite and terrestrial antenna
01/06/2005WO2005001990A1 Compact pifa antenna for automated manufacturing
01/06/2005WO2005001989A2 System and method for providing a distributed loaded monopole antenna
01/06/2005US20050003874 Mobile communication unit and antenna unit
01/06/2005US20050002149 Differential capacitor, differential antenna element, and differential resonator
01/06/2005US20050001783 Broad band antenna
01/06/2005US20050001780 Low cost electromagnetic energy absorbers manufactured from conductive loaded resin-based materials
01/06/2005US20050001777 Dual band single feed dipole antenna and method of making the same
01/06/2005US20050001772 Heat shrinking polyester film roll
01/06/2005US20050001771 Antenna device, wireless communication terminal, external antenna and hand-strap
01/06/2005US20050001770 Antenna, antenna module and radio communication apparatus provided with the same
01/06/2005US20050001769 Multiple-element antenna with floating antenna element
01/06/2005US20050001768 Surface mount antenna, and an antenna element mounting method
01/06/2005US20050001766 Built-in antenna configuration
01/06/2005US20050001632 Intergrated semiconductor component for high-frequency measurement and use thereof
01/05/2005EP1494315A1 Antenna structure and communication apparatus
01/05/2005EP1493206A1 Dual band antenna
01/05/2005EP1493204A1 Multi-band planar antenna
01/05/2005DE102004027264A1 Rod antenna structure for different mobile radiotelephone gigahertz frequencies separated by breaks in frequency has two radiators for low and high operating frequencies
01/05/2005CN2669385Y Wide-frequency directional ceiling antenna
01/05/2005CN1561562A 场探头 Field probe
01/04/2005US6839577 Electronic device having a multi-state antenna ground structure
01/04/2005US6839040 Antenna for a communication terminal
01/04/2005US6839038 Dual-band directional/omnidirectional antenna
01/04/2005US6839032 Protable radio terminal testing apparatus using single self-complementary antenna
01/04/2005US6839029 Method of mechanically tuning antennas for low-cost volume production
01/04/2005US6839028 Microstrip antenna employing width discontinuities
12/2004
12/30/2004US20040266481 RF ID tag reader utilizing a scanning antenna system and method
12/30/2004US20040263422 Active dielectric resonator antenna
12/30/2004US20040263421 Antenna system and RF signal interference abatement method
12/30/2004US20040263416 Self-contained radio apparatus for transmission of data