Patents for H01Q 7 - Loop aerials with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop (7,833) |
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10/07/1999 | WO1999050931A1 A radio apparatus loop antenna |
10/07/1999 | WO1999050930A1 Device for controlling the impedance returned on an electronic label antenna |
10/07/1999 | WO1999050928A2 Communications device |
10/07/1999 | DE19830480C1 Rod antenna for transponder reading device, e.g. for transponder implanted in animal |
10/07/1999 | CA2324896A1 Device for controlling the impedance returned on an electronic label antenna |
10/06/1999 | EP0948083A2 Loop antenna device and its use in a data processing apparatus with a removal data storing medium |
10/06/1999 | CN1230800A Built-in antenna for radio communication terminals |
10/05/1999 | US5963181 Antenna, method of manufacturing antenna, and electronic apparatus equipped with antenna |
10/05/1999 | US5963177 Methods of enhancing electronmagnetic radiation properties of encapsulated circuit, and related devices |
10/05/1999 | US5963173 Antenna and transmitter arrangement for EAS system |
09/30/1999 | WO1999049337A1 An interrogator for interrogating an rfid transponder |
09/30/1999 | DE19812836A1 Inductive miniature component for SMD assembly |
09/30/1999 | DE19811489A1 Portable high frequency transmitter |
09/29/1999 | EP0945917A2 Antenna arrangement and mobile terminal |
09/29/1999 | EP0944886A1 Anti-theft system, in particular for textiles, leather goods for similar |
09/23/1999 | DE19811577A1 Chip card with data processing circuit and transmitter receiver coil |
09/21/1999 | US5955776 Spherical shaped semiconductor integrated circuit |
09/15/1999 | EP0941520A1 Contactless chip card |
09/07/1999 | US5949384 For receiving an electric wave |
09/07/1999 | US5949381 On-vehicle windowpane antenna apparatus |
09/02/1999 | WO1999044177A1 Radio frequency identification tag system using tags arranged for coupling to ground |
08/31/1999 | US5945959 Surface mounting antenna having a dielectric base and a radiating conductor film |
08/31/1999 | US5945958 Loop antenna |
08/31/1999 | US5945725 Spherical shaped integrated circuit utilizing an inductor |
08/26/1999 | WO1999043040A1 Multi-layered shielded substrate antenna |
08/26/1999 | CA2287329A1 Multi-layered shielded substrate antenna |
08/24/1999 | US5943025 Television antennas |
08/24/1999 | US5943022 Portable communication device including loop antenna |
08/17/1999 | US5940043 Unidirectional field antenna for identification system |
08/17/1999 | US5940041 Slot antenna device and wireless apparatus employing the antenna device |
08/17/1999 | US5940003 Magnetic field sensor for a keyless access system for motor vehicles |
08/11/1999 | EP0934610A1 Armoured magnetic field antenna in printed circuit |
08/11/1999 | CN1225527A Antenna device and radio receiver using the same |
08/05/1999 | WO1999014861A3 Antenna system and apparatus for radio-frequency wireless keyboard |
08/05/1999 | DE19803521A1 Flat aerial for satellite controlled radio clock or wrist watch |
08/04/1999 | EP0933833A1 Waveguide radiator |
08/04/1999 | EP0933832A2 Built-in antenna for radio communication terminals |
08/03/1999 | US5933123 Combined satellite and terrestrial antenna |
08/03/1999 | US5933117 Flexible ferrite loaded loop antenna assembly |
08/03/1999 | US5933116 Chip antenna |
07/30/1999 | CA2260394A1 Waveguide antenna |
07/29/1999 | WO1999038273A2 Vector measuring aerial arrays for magnetic induction communication systems |
07/27/1999 | US5930694 Increased gain loop antenna for a radio selective calling receiver |
07/27/1999 | US5929813 Antenna for mobile communications device |
07/27/1999 | US5929760 RFID conveyor antenna |
07/22/1999 | WO1999037034A1 Wristwatch-type communication device and antenna therefor |
07/22/1999 | WO1999036991A1 Method of feeding flat antenna, and flat antenna |
07/20/1999 | US5926144 Wearable electronic device and antenna therefor |
07/20/1999 | US5926093 Drive circuit for reactive loads |
07/14/1999 | EP0929121A1 Antenna for mobile communcations device |
07/14/1999 | EP0929115A1 Antenna for mobile communications device |
07/14/1999 | CN2329089Y Omniderictional full wave band antenna |
07/13/1999 | US5923300 Multi-phase transmitter with single receive antenna for transponder interrogator |
07/13/1999 | US5923298 Multiband reception antenna for terrestrial digital audio broadcast bands |
07/07/1999 | EP0927438A1 Antenna arrangement which can be tuned capacitively |
06/29/1999 | US5918183 Concealed mobile communications system |
06/29/1999 | US5917412 For use in deactivating electronic article surveillance tags |
06/24/1999 | WO1999031759A1 Magnetic beam deflection devices |
06/22/1999 | US5914692 Multiple loop antenna with crossover element having a pair of spaced, parallel conductors for electrically connecting the multiple loops |
06/22/1999 | US5914691 Antenna apparatus having magnetic-current-type and electric-field type antenna |
06/17/1999 | WO1999030384A1 Antenna and transmitter arrangement for eas system |
06/17/1999 | WO1999029525A1 Antenna for radio transponder |
06/17/1999 | WO1999029523A1 Antenna for radio transponder |
06/17/1999 | WO1999029522A1 Pneumatic tyre with an antenna for radio transponder |
06/17/1999 | WO1999029495A1 Tyre provided with a conductive loop and method for implanting said loop under the tyre tread |
06/17/1999 | CA2312153A1 Antenna for radio transponder |
06/16/1999 | EP0923153A1 Chip-antenna |
06/16/1999 | EP0923047A1 Ic module, method of fabricating the same and ic card provided with ic module |
06/10/1999 | DE19752149A1 Antenna arrangement for keyless operation of automobile |
06/02/1999 | EP0919950A1 Module for ic card, ic card, and method for manufacturing module for ic card |
06/02/1999 | EP0756736B1 Method of making a radio-frequency detection label with a minimum number of electronic components |
05/26/1999 | EP0918308A2 Article sorting system |
05/25/1999 | US5906228 Gasoline dispensing system and method with radio frequency customer identification antenna |
05/20/1999 | WO1999025042A1 A portable electronic communication device with multi-band antenna system |
05/20/1999 | WO1999024970A2 Slider and electro-magnetic coil assembly |
05/20/1999 | DE19748327A1 Antennenvorrichtung, insbesondere für ein Diebstahlschutzsystem eines Kraftfahrzeugs An antenna device, especially for a theft protection system of a motor vehicle |
05/19/1999 | EP0917101A1 Antenna coil with reduced electric field |
05/14/1999 | WO1999023716A1 Antenna device especially for a car anti theft system |
05/14/1999 | WO1999004295A3 Transponder arrangement and method for the production thereof |
05/06/1999 | WO1999022333A1 System for communication without contact by induction between a terminal and a portable object |
05/06/1999 | DE19840016A1 Antenna for vehicle e.g. for global positioning system antenna |
04/29/1999 | WO1999021144A1 Rfid conveyor antenna |
04/22/1999 | WO1999019936A1 Electric and magnetic field generator, corresponding field detector, and sample analyser |
04/22/1999 | DE19742380A1 Antenna for radio clocks |
04/22/1999 | CA2306773A1 Electric and magnetic field generator, corresponding field detector, and sample analyser |
04/20/1999 | US5896111 Antenna coil |
04/20/1999 | US5896109 Antenna for radio communication equipment having improved impedance adjustment |
04/14/1999 | CN1214151A Antenna for frequences in excess of 200 MHZ |
04/08/1999 | WO1999017460A1 Receiving antenna device |
04/07/1999 | EP0878058A4 Loop antenna with reduced electrical field sensitivity |
04/06/1999 | US5892489 Chip antenna and method of making same |
04/01/1999 | WO1999016032A1 Deactivateable resonant circuit |
04/01/1999 | WO1999015408A1 Gasoline dispensing system with an identification antenna |
03/31/1999 | CN1212791A Combination satellite and VHF/UHF receiving antenna |
03/31/1999 | CN1212790A Folded bow-tie antenna |
03/31/1999 | CN1212789A Orthogonal switched antenna system |
03/31/1999 | CN1212480A Multiple loop antenna of radio paging receiver |
03/25/1999 | WO1999014861A2 Antenna system and apparatus for radio-frequency wireless keyboard |
03/24/1999 | EP0903805A2 Planar antenna device and a method for providing conductive elements on a substrate |
03/18/1999 | WO1999013528A1 Loop antenna assembly for telecommunications devices |