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)
02/2004
02/17/2004CA2318799C Dual band antenna for radio terminal
02/17/2004CA2236548C Antenna system
02/12/2004WO2004013935A1 Directional dual frequency antenna arrangement
02/12/2004WO2004013932A1 Broadband antenna and processes for manufacturing such an antenna
02/12/2004US20040029618 Portable radio apparatus antenna
02/12/2004US20040027308 Low profile, dual polarized/pattern antenna
02/12/2004US20040027304 High gain antenna for wireless applications
02/12/2004US20040027298 Antenna device and communication equipment using the device
02/12/2004US20040027295 Antenna for a communication terminal
02/12/2004US20040027294 Method for increasing effective height of a compact antenna assembly, method for ensuring directional effect of the compact antenna assembly and compact antenna assemblies for carrying out said methods
02/12/2004US20040027292 Patch antenna for operating in at least two frequency ranges
02/12/2004US20040027291 Planar antenna and array antenna
02/12/2004US20040027290 Microwave antenna with patch mounting device
02/12/2004US20040027288 Antenna device
02/12/2004US20040027287 Multi-resonance antenna
02/12/2004US20040027286 Multi frequency magnetic dipole antenna structures and methods of reusing the volume of an antenna
02/12/2004US20040027285 Multi-patch antenna which can transmit radio signals with two frequencies
02/12/2004DE20316584U1 Reduced-size, full-wave quad antenna, includes additional wire and capacitor connected across its geometric center, and is fed by quarter wave coaxial transformer
02/12/2004DE10231961B3 Niedrig bauende Dual- oder Multibandantenne, insbesondere für Kraftfahrzeuge Low headroom dual or multi-band antenna, especially for motor vehicles
02/11/2004EP1388910A2 Portable radio communication apparatus provided with boom portion with through hole
02/11/2004CN2603532Y Duoble polarization antenna combined oscillator
02/11/2004CN1474996A Contactless data carrier
02/11/2004CN1474477A Round polarized wave receiving antenna
02/11/2004CN1138313C Folded bow-tie antenna
02/10/2004US6690924 Circular polarization antenna for wireless communications
02/10/2004US6690331 Beamforming quad meanderline loaded antenna
02/10/2004US6690251 Tunable ferro-electric filter
02/10/2004US6690176 Low-loss tunable ferro-electric device and method of characterization
02/05/2004WO2003098734A3 Antenna for array applications
02/05/2004WO2003098733A3 Dielectric antenna array feed mechanism
02/05/2004US20040021613 Dipole feed arrangement for corner feflector antenna
02/05/2004US20040021610 Vehicle antenna system
02/05/2004US20040021608 Built-in antenna apparatus
02/05/2004US20040021606 Small plane antenna and composite antenna using the same
02/05/2004DE10331281A1 Multi-band antenna for mobile radio telephone has 2 radiator arms for 2 different resonance frequencies
02/04/2004EP1387435A1 Antenna device
02/04/2004EP1387433A1 Broad-band antenna for mobile communication
02/04/2004EP1386374A1 Built-in patch antenna
02/04/2004CN1473377A Wideband phased array antenna and associated methods
02/04/2004CN1473376A Antenna arrangement
02/04/2004CN1473375A Portable radio-use antenna
02/04/2004CN1473374A Minimum frequency shift telescoping antenna
02/04/2004CN1473373A Antenna device, wireless communication terminal, external antenna and hand-strap
02/04/2004CN1472844A Built-in closed antenna and portable terminal therewith
02/04/2004CN1472843A Monopolar antenna device, communication system and mobile communication system
02/04/2004CN1472092A Interactive power-supply network trackless electric car
02/04/2004CN1137530C Method of mass producing printed circuit antennas
02/03/2004US6687487 Repeater for transmission system for controlling and determining the status of electrical devices from remote locations
02/03/2004US6686892 Switchable length whip antenna
02/03/2004US6686888 Vehicle antenna
02/03/2004US6686886 Integrated antenna for laptop applications
02/03/2004US6686884 Microchip dual band antenna
02/03/2004US6686406 Comprising ba, nd, ti, bi, zn, sr, nb, and rare earth elements (except nd) as constituent elements; mixture of ceramic powder and an organic polymer resin such as polyphenylene sulfide
01/2004
01/29/2004WO2004010535A1 Undersampled microstrip array using multilevel and space-filling shaped elements
01/29/2004WO2004010532A1 Antenna with one or more holes
01/29/2004WO2004010531A1 Notched-fed antenna
01/29/2004WO2004010530A1 Portable wireless machine
01/29/2004WO2004010529A1 Integrated loop antenna for vehicular applications
01/29/2004WO2004010528A2 Dual feed multi-band planar antenna
01/29/2004WO2004010527A2 Wideband dipole array antenna element
01/29/2004WO2003079488B1 Dual-element microstrip patch antenna for mitigating radio frequency interference
01/29/2004US20040017329 Folded dual-band antenna apparatus
01/29/2004US20040017325 Multi-band antenna apparatus
01/29/2004US20040017323 Multi-band sleeve dipole antenna
01/29/2004US20040017320 Wireless-LAN diversity antenna less susceptible to multipath influence
01/29/2004US20040017319 Integrated antenna for portable computer
01/29/2004US20040017315 Dual-band antenna apparatus
01/29/2004US20040017314 Dual band directional antenna
01/28/2004EP1385231A1 An antenna array
01/28/2004EP1384312A1 Tunable voltage controlled oscillator
01/28/2004EP1384286A1 Inverted-f ferroelectric antenna
01/28/2004EP1384285A1 Ferroelectric antenna and method for tuning same
01/28/2004CN1471789A Communications terminal
01/28/2004CN1471746A Radio antenna in the form of a transmitting antenna or a receiving antenna, and radio mobile system
01/27/2004US6684085 Mobile telephone and antenna therefor
01/27/2004US6683579 Antenna for submarine towed buoy
01/27/2004US6683578 Built-in antenna of portable radio apparatus
01/27/2004US6683576 Circuit board and SMD antenna
01/27/2004US6683575 Antenna apparatus
01/27/2004US6683574 Twin monopole antenna
01/27/2004US6683573 Multi band chip antenna with dual feeding ports, and mobile communication apparatus using the same
01/27/2004US6683572 Chip antenna device and method
01/27/2004US6683571 Multiband microwave antenna
01/27/2004US6683570 Compact multi-band antenna
01/27/2004US6683567 Single receiver wireless tracking system
01/22/2004WO2004008574A1 Antenna device
01/22/2004WO2004008573A1 Low-height dual or multi-band antenna, in particular for motor vehicles
01/22/2004US20040012537 Multi-meandered antennas with multiple bands and single input
01/22/2004US20040012534 Microstrip antenna
01/22/2004US20040012530 Ultra-wide band meanderline fed monopole antenna
01/22/2004US20040012529 Protable radio terminal testing apparatus using single self-complementary antenna
01/22/2004US20040012528 Multi-band antenna
01/22/2004US20040012527 Circularly-polarized-wave patch antenna which can be used in a wide frequency band
01/22/2004DE20317409U1 Dual-band linear antenna e.g. for wireless communication, has length of metal plates corresponding to half wave-length of LF electric wave
01/22/2004DE10231080A1 Mikrowellenantenne Microwave antenna
01/21/2004EP1383251A1 Wireless-LAN Diversity Antenna
01/21/2004EP1383200A1 Circularly polarized wave patch antenna
01/21/2004EP1383199A1 Antenna apparatus and portable apparatus using the same
01/21/2004EP1383198A1 Surface-mounted antenna and portable wireless device incorporating the same
01/21/2004EP1382083A1 Tunable multiplexer