Patents
Sitemap › H01 - Basic electric elements › H01Q - Aerials › H01Q 9 - Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
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)
07/1999
07/14/1999CN1223018A 天线系统 Antenna System
07/13/1999US5923303 For supporting personal communication systems
07/13/1999US5923302 Full coverage antenna array including side looking and end-free antenna arrays having comparable gain
07/13/1999US5923301 Installed on a ceiling surface or a side wall surface
07/13/1999US5923298 Multiband reception antenna for terrestrial digital audio broadcast bands
07/13/1999US5923296 Dual polarized microstrip patch antenna array for PCS base stations
07/08/1999WO1999034479A1 Dual frequency, low profile antenna for low earth orbit satellite communications
07/08/1999WO1999034477A1 Low cost high performance portable phased array antenna system for satellite communication
07/07/1999EP0927437A1 Mobile radiotelephony planar antenna
07/07/1999EP0927435A1 Antenna system for an rf data communications device
07/07/1999CN1222258A Meander antenna device
07/01/1999WO1999033147A1 Broadband antenna
07/01/1999WO1999033145A1 Compact wide-band antenna feeder device
07/01/1999WO1999033144A1 Antenna
07/01/1999WO1999033143A1 Multiple parasitic coupling from inner patch antenna elements to outer patch antenna elements
07/01/1999WO1999033142A1 Antenna shielding for radio telephones with retractable antenna
07/01/1999DE19758218A1 Dual band hybrid radiator for mobile radio, esp. mobile navigation using GPS signals
07/01/1999DE19758217A1 Dual hybrid antenna for mobile radio, esp. mobile navigation. Applications using GPS signals
07/01/1999DE19758216A1 Planar dual tape rotary radiator for mobile radio applications
07/01/1999CA2316288A1 Multiple parasitic coupling from inner patch antenna elements to outer patch antenna elements
06/1999
06/29/1999US5918183 Concealed mobile communications system
06/29/1999US5918163 Computer system
06/29/1999US5917458 Frequency selective surface integrated antenna system
06/29/1999US5917457 U-dipole radiating elements and antennas
06/29/1999US5917456 Stripline antenna
06/29/1999US5917450 Antenna device having two resonance frequencies
06/24/1999WO1999031757A1 Dual band antenna
06/24/1999WO1999031755A2 Method and arrangement relating to antennas
06/23/1999EP0924797A1 Multifrequency microstrip antenna and apparatus using the same
06/23/1999EP0924796A2 Micro-strip antenna
06/23/1999EP0924795A1 Surface mount antenna and communication apparatus including the same
06/22/1999US5914697 Method of fabricating radio device helical antennas
06/22/1999US5914696 Unbalanced antenna system
06/22/1999US5914695 Omnidirectional dipole antenna
06/22/1999US5914690 Antenna for wireless communications devices
06/22/1999US5914689 Antenna for a portable, wireless communication device
06/22/1999CA2225677A1 Multiple parasitic coupling to an outer antenna patch element from inner path elements
06/17/1999WO1999030417A1 Automatic gain-controlled vhf/uhf antenna tuning apparatus
06/17/1999WO1999030385A1 Vhf/uhf self-tuning planar antenna system
06/17/1999DE19857819A1 Antenna for use in communication systems
06/17/1999DE19829502A1 Antenna for use in mobile telephone
06/16/1999EP0923158A2 Antenna
06/16/1999EP0923157A1 Antenna realised according to microstrip technique and device incorporating this antenna
06/16/1999EP0923156A1 Shorted microstrip antenna and apparatus using the same
06/16/1999EP0923153A1 Chip-antenna
06/16/1999EP0923152A1 Portable radiotelephone with fixed rod antenna 0
06/15/1999US5912648 Compact patch antenna
06/15/1999US5912647 Antenna unit
06/11/1999CA2254266A1 Microribbon multifrequency antenna and device including the said antenna
06/11/1999CA2254263A1 Microribbon short-circuit antenna and device including the said antenna
06/11/1999CA2254255A1 Microribbon antenna and device including the said antenna
06/10/1999WO1999028990A1 Multifrequency inverted f-type antenna
06/10/1999WO1999028989A1 Combination antenna device
06/03/1999WO1999027609A1 Single-frequency antenna arrangement
06/03/1999WO1999027608A1 Cylindrical conformable antenna on a planar substrate
06/03/1999WO1999027607A2 Antenna structure
06/03/1999WO1999027606A2 Microstrip arrangement
06/02/1999EP0920075A1 Wide-angle circular polarization antenna
06/02/1999EP0920074A1 Circular polarized planar printed antenna concept with shaped radiation pattern
06/02/1999EP0919070A1 Highly isolated multiple frequency band antenna
06/02/1999DE19749750A1 Self-supporting tubular mast antenna for navigation system transmitter
06/02/1999CN1218583A Flat antenna
06/01/1999US5909198 Chip antenna
06/01/1999US5909195 Antennas employing U-dipole elements
05/1999
05/26/1999EP0918308A2 Article sorting system
05/25/1999US5907306 Retractable radiotelephone antennas and associated radiotelephone communication methods
05/25/1999US5907305 Dual polarized, heat spreading rectenna
05/25/1999CA2011298C Dual polarization dipole array antenna
05/20/1999WO1999025044A1 Microstrip patch antenna with fractal structure
05/20/1999WO1999025043A1 A portable electronic communication device with dual-band antenna system
05/20/1999WO1999025042A1 A portable electronic communication device with multi-band antenna system
05/19/1999CN1217091A Dual band antenna
05/18/1999US5905467 Antenna diversity in wireless communication terminals
05/18/1999US5905465 Antenna system
05/14/1999WO1999023720A1 Switched gain antenna for enhanced system performance
05/12/1999EP0914237A1 An antenna dielectric
05/11/1999US5903821 Portable telephone with microstrip antennas
05/11/1999US5903240 Surface mounting antenna and communication apparatus using the same antenna
05/11/1999US5903239 Micro-patch antenna connected to circuits chips
05/06/1999WO1999022420A1 Multiple band, multiple branch antenna for mobile phone
05/05/1999CN2317549Y Environmental protection mobile communication phone aerial
05/05/1999CN1215969A Antenna device and portable radio using the same
05/05/1999CN1215934A Antenna assembly comprising whip antenna and helical antenna contained in antenna top rotatably mounted on top end of whip antenna
05/04/1999US5900845 Antenna device
05/04/1999US5900844 Wide bandwidth antenna arrays
05/04/1999CA2186808C Surface mounting and communication apparatus using the same antenna
04/1999
04/29/1999WO1999021247A1 Directional antenna assembly for vehicular use
04/29/1999WO1999021245A1 Compact antenna structures including baluns
04/28/1999EP0911906A2 Transparent planar antenna structure
04/28/1999EP0723468A4 Gamma matched, helical dipole microwave antenna with tubular-shaped capacitor
04/27/1999US5898411 Single-element, multi-frequency, dipole antenna
04/27/1999US5898410 Pre-tuned hybrid logarithmic yagi antenna system
04/27/1999US5898406 Antenna mounted diplexer
04/27/1999US5898405 Omnidirectional antenna formed one or two antenna elements symmetrically to a ground conductor
04/27/1999US5898404 Non-coplanar resonant element printed circuit board antenna
04/27/1999CA2160285C Antenna with means for blocking currents in ground plan
04/27/1999CA2156353C Two position fold-over dipole antenna
04/22/1999WO1999019937A1 Parallel fed collinear antenna array
04/21/1999CN1214804A Self-tuning material and method of manufacturing the same
04/20/1999US5896183 TV or radio broadcast transmission line amplifier with switch bypass controlled at the receiver side
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