Patents
Sitemap › H01 - Basic electric elements › H01Q - Aerials › H01Q 11 - Electrically-long aerials having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
Patents for H01Q 11 - Electrically-long aerials having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements (4,834)
02/1999
02/09/1999CA2175095C Quadruple-delta antenna structure
02/07/1999CA2244723A1 Multi-band antenna suitable for use in a mobile radio device
02/04/1999WO1998050982A3 Method and apparatus for allowing permanent or semi-permanent connection to a data network using an isdn connection
02/03/1999EP0895299A1 Portable radio device
01/1999
01/27/1999EP0893841A1 Helical coil, method of producing same and helical antenna using same
01/27/1999CN1206508A Composite antenna
01/27/1999CN1206230A Wide bandwidth antenna arrays
01/26/1999CA2160801C Msat mast antenna with reduced frequency scanning
01/26/1999CA2147007C An antenna device for portable equipment
01/21/1999WO1999003169A1 A retractable antenna
01/19/1999US5861859 Antenna assembly and portable radio apparatus
01/14/1999WO1999001908A1 Stub loaded helix antenna
01/12/1999US5859621 Antenna
01/12/1999US5859617 Extendable rod antenna and helical antenna with frequency adjusting conductor
01/07/1999EP0889541A1 Helix antenna with variable length
01/07/1999EP0888648A1 Helical antenna with built-in duplexing means, and manufacturing methods therefor
01/07/1999EP0888647A1 Helix antenna with a built-in broadband power supply, and manufacturing methods therefor
12/1998
12/30/1998WO1998044589A3 Dual-band helical antenna
12/30/1998EP0886888A1 Antenna element, conically helical, for polarization purity within a broad frequency range
12/29/1998US5854608 Helical antenna having a solid dielectric core
12/23/1998CN1202745A Helical antenna
12/16/1998EP0884798A2 Wide bandwidth antenna arrays
12/16/1998CN1202024A Loop antenna apparatus
12/10/1998WO1998056072A1 Molded antenna
12/10/1998DE19724125A1 Helical spring winding arrangement onto a rod, especially a radio antenna rod
12/02/1998EP0793865B1 Electrical conducting shell structure for coaxial collinear array antenna
12/02/1998CN2299399Y 标准发射天线 Standard transmitting antenna
12/02/1998CN2299398Y 标准接收天线 Standard receiver antenna
12/01/1998CA2179331C Expanded quadruple-delta antenna structure
12/01/1998CA2172742C Double-delta log-periodic antenna
11/1998
11/26/1998WO1998053524A1 Highly isolated multiple frequency band antenna
11/26/1998WO1998053523A1 Radiotelephones with switching antenna matching system
11/25/1998EP0879486A1 Thin antennas
11/24/1998US5841407 For coupling to a wave launching structure
11/17/1998US5838285 Wide beamwidth antenna system and method for making the same
11/17/1998US5838283 Loop antenna for radiating circularly polarized waves
11/12/1998WO1998050982A2 Method and apparatus for allowing permanent or semi-permanent connection to a data network using an isdn connection
11/11/1998EP0877442A2 Helical antenna
11/11/1998EP0876688A1 ANTENNA FOR FREQUENCIES IN EXCESS OF 200 MHz
11/11/1998CN2297019Y Super-wideband soft logarithmic periodic antenna
11/10/1998US5835065 Variable length whip with helix antenna system
11/05/1998WO1998049749A1 Pre-tuned hybrid logarithmic yagi antenna system
11/05/1998WO1998049740A1 Radiotelephones with integrated matching antenna systems
11/03/1998US5831582 Multiple beam antenna system for simultaneously receiving multiple satellite signals
10/1998
10/28/1998CN1197310A Method and apparatus for detecting RFID tag signal
10/27/1998US5828348 Dual-band octafilar helix antenna
10/27/1998CA2098898C Eas system with alternating on/off transmitter operation and loop antenna
10/20/1998US5825334 Flexible antenna and method of manufacturing same
10/14/1998EP0870344A1 Contrawound toroidal helical antenna
10/14/1998CN1195905A Multi-band antenna structure
10/14/1998CN1195900A Multibeam antenna
10/14/1998CN1040270C Antenna apparatus
10/08/1998WO1998044590A1 An antenna and a feed network for an antenna
10/08/1998WO1998044589A2 Dual-band helical antenna
10/08/1998CA2284673A1 An antenna and a feed network for an antenna
10/06/1998US5818398 Surface mounting type antenna system
10/01/1998WO1998043313A1 Communication antenna and equipment
10/01/1998WO1998030038A3 Retractable radiotelephone antennas and associated radiotelephone communication methods
09/1998
09/24/1998WO1998042042A1 Antenna for orbiting satellite
09/24/1998CA2284872A1 Antenna for orbiting satellite
09/23/1998CN2292333Y V-U television receiving antenna
09/23/1998CN1193844A High frequency variable gain amplifier device and wireless communications terminal
09/23/1998CN1193826A Small helical antenna with non-directional radiation pattern
09/22/1998US5812093 Antenna assembly for a wireless-communication device
09/22/1998CA2127079C Antenna apparatus having individual transmitting and receiving antenna elements for different frequencies
09/22/1998CA2124459C Compact broadband microstrip antenna
09/17/1998WO1998040930A1 Reactively coupled elements in circuits on flexible substrates
09/16/1998EP0865100A2 A small helical antenna with non-directional radiation pattern
09/16/1998EP0777920B1 Nonsquinting end-fed quadrifilar helical antenna
09/15/1998US5808587 Wireless access control system using a proximity member and antenna equipment therefor
09/15/1998US5808585 Method of configuring multiple-arm antenna element in a radome
09/11/1998WO1998039816A1 Antenna element
09/09/1998EP0791233A4 Transmit and receive loop antenna
09/09/1998EP0687389B1 Short conical antenna
09/09/1998CN1192596A Shared antenna and portable radio device using the same
09/08/1998US5805114 Expanded quadruple-delta antenna structure
08/1998
08/26/1998EP0859673A1 Clad shape memory alloy composite structure and method
08/25/1998US5798737 Chip antenna
08/20/1998WO1998036469A1 Antenna device for automotive vehicle
08/19/1998CN1191042A Contrawound antenna
08/18/1998CA2139198C Broad conical-mode helical antenna
08/12/1998CN1190496A Toroidal antenna
08/11/1998US5793338 Quadrifilar helix antenna and feed network
08/05/1998EP0856906A2 Antenna and fabrication method
08/04/1998US5790082 Double-delta log-periodic antenna
08/04/1998US5790080 Meander line loaded antenna
07/1998
07/30/1998WO1998033231A1 Antenna for radio transmitter and receiver
07/22/1998EP0854535A2 Antenna apparatus
07/22/1998CN1188566A Helical antenna and process for producing the same
07/21/1998US5784034 Antenna apparatus
07/16/1998WO1998031069A1 Helical antenna element
07/16/1998WO1998031067A1 Dual band antenna
07/16/1998DE19700356A1 Radio communications device
07/14/1998US5781162 Phased array with integrated bandpass filter superstructure
07/09/1998WO1998030038A2 Retractable radiotelephone antennas and associated radiotelephone communication methods
07/07/1998US5777587 Surface-mounted antenna
07/02/1998WO1998028817A1 Dual frequency band quadrifilar helix antenna systems and methods
07/02/1998WO1998028816A1 Quadrifilar helix antenna systems and methods for broadband operation in separate transmit and receive frequency bands
07/02/1998WO1998028815A1 L-band quadrifilar helix antenna
07/02/1998WO1998028814A1 Antenna system for dual mode satellite/cellular portable phone
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