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