| Patents for H04B 5 - Near-field transmission systems, e.g. inductive loop type (17,859) |
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| 04/19/2001 | WO2001027869A1 Communication device |
| 04/18/2001 | EP1068541A4 Magnetic digital signal coupler |
| 04/17/2001 | US6219530 Transponder communication station provided with a transmission coil configuration with three transmission coils |
| 04/12/2001 | WO2001025056A1 Wireless data and energy transmission device |
| 04/12/2001 | DE10049516A1 Communications procedure for wireless near field communication between a vehicle and a fixed station to enable data to be transferred between car and station at a faster speed |
| 04/11/2001 | EP1091312A1 Contactless passive card |
| 04/11/2001 | EP1090370A1 Method for the communication between non-contact data carriers and terminals |
| 04/10/2001 | US6215980 Apparatus and method for saving battery power of a paging receiver |
| 04/10/2001 | US6215979 Apparatus and method for generating alert in radio paging receiver |
| 04/10/2001 | US6215437 Procedure for reading the data stored in a transponder and a transponder system for the execution of the procedure |
| 04/10/2001 | US6213402 Data carrier for contactless reception of data and energy, and a method of operating such a data carrier |
| 04/04/2001 | EP0929948B1 Wireless energy and data transfer for a modular peripheral system |
| 03/28/2001 | EP1087333A2 Contactless ic card for preventing incorrect data recovery in demodulation of an amplitude-modulated carrier wave |
| 03/28/2001 | EP0925548B1 Data transfer method for a radio frequency identification system |
| 03/28/2001 | CN1289188A Non-contact type IC card preventing data from error restoring while AM wave-carrier demodulation |
| 03/27/2001 | US6208740 Stereophonic magnetic induction sound system |
| 03/22/2001 | CA2319993A1 Transponder intended for several different applications |
| 03/21/2001 | EP1085712A2 Device for transferring digital data between a rotating part and a fixed part of a machine, particularly for hosiery knitting machines and the like |
| 03/21/2001 | EP1084423A1 Radio frequency identification tag device with sensor input |
| 03/21/2001 | CN1288553A RF identification process and apparatus |
| 03/20/2001 | WO2001022419A1 Mobile karaoke system, method for ensuring electromagnetic compatibility of said karaoke system, mobile wireless transmitter for said system, method for preventing the use of unauthorized cartridges and restraining unauthorized access to said system |
| 03/20/2001 | US6204750 Interrogator for electronic identification system |
| 03/15/2001 | WO2001019141A1 Method and apparatus for magnetic induction heating using radio frequency identification of object to be heated |
| 03/14/2001 | CN2423569Y Remote controller for taxi car counter whole-car checking device |
| 03/07/2001 | EP1080475A1 Inductive textile and use of such a textile in inductive devices |
| 02/27/2001 | US6193164 IC card and IC card system |
| 02/22/2001 | WO2001013345A1 Electronic article security system employing variable time shifts |
| 02/22/2001 | DE19938460A1 Device for inductive transmission of energy and data between modules using inductive couplers with separating wall made of non-magnetic material |
| 02/21/2001 | EP1076876A1 Device for the contactless transmission of data |
| 02/15/2001 | WO2001011540A1 Communication device and transponder |
| 02/13/2001 | US6188140 Immobilizer system-mounting vehicle and member used for the immobilizer system |
| 02/07/2001 | EP1073544A1 Method for transmitting data between a small electrical device and a supplementary electrical device which can be connected thereto, and devices configured accordingly |
| 02/06/2001 | US6184841 Antenna array in an RFID system |
| 01/31/2001 | EP1073142A2 Radio apparatus for transmitting and receiving data for a roadside communication system |
| 01/31/2001 | CN1282434A System and method for electronic inventory |
| 01/31/2001 | CN1282153A Waveguide for emitting radio-frequency energy passed through radio-frequency shield |
| 01/31/2001 | CN1282054A Wayside radio equipment |
| 01/30/2001 | US6181299 Power and communication system for electronic display tags |
| 01/30/2001 | US6181259 Vehicle-mounted device with sleep function for use in road-to-vehicle communication system |
| 01/25/2001 | WO2001006806A1 Keyless entry system |
| 01/25/2001 | WO2001006674A1 A system and method for transmitting messages between transceivers using electromagnetically coupled signals |
| 01/25/2001 | WO2001005467A1 A medical system having improved telemetry |
| 01/25/2001 | CA2378046A1 A system and method for transmitting messages between transceivers using electromagnetically coupled signals |
| 01/24/2001 | EP1071039A1 Electromagnetic transponder system designed for short-range transmission |
| 01/24/2001 | EP1071038A1 Electromagnetic transponder system designed for long-range transmission |
| 01/23/2001 | US6177861 System for short range wireless data communication to inexpensive endpoints |
| 01/17/2001 | EP1068652A1 Device for controlling the impedance returned on an electronic label antenna |
| 01/17/2001 | EP1068541A1 Magnetic digital signal coupler |
| 01/14/2001 | EP1071154A2 Waveguide for transmitting RF energy through an RF barrier |
| 01/10/2001 | EP1066588A2 Transponder communication station provided with a transmission coil configuration with two transmission coils |
| 01/10/2001 | EP1066584A1 Device for generating a rotating magnetic field in space for powering contactless electronic labels |
| 01/09/2001 | US6172608 Enhanced range transponder system |
| 01/04/2001 | WO2001001516A1 Electromagnetic field in a communications system for wireless networks |
| 01/04/2001 | WO2000043804A3 Radio frequency identification device |
| 01/04/2001 | DE19930358A1 Schaltungsanordnung zur Signalkopplung zwischen Schaltungsteilen mit voneinander getrennten Versorgungsleitungen Circuitry for signal coupling between circuit elements with separate supply lines |
| 01/04/2001 | DE19928216A1 Telemetry coil system for receiving data signals, especially from cardiological implants, has windings at distance apart in reception direction, of different dia., with matching winding numbers |
| 01/03/2001 | EP1065105A1 Circuit for coupling signals between circuit parts having separated power lines |
| 01/03/2001 | CN1278497A Radio paging safeguard alarm system against approaching train |
| 01/02/2001 | US6169493 Shelf talker management system and method |
| 12/27/2000 | EP1062622A1 System and method for producing particular functions in contactless labels |
| 12/27/2000 | EP1062621A1 Method, system and device for transferring, by electromagnetic linkage, data between readers and nomadic objects |
| 12/26/2000 | US6167094 Data transmission circuit having a station and a response circuit |
| 12/26/2000 | US6164551 Radio frequency identification transponder having non-encapsulated IC chip |
| 12/21/2000 | WO2000043944A8 Method of interrogating a radio frequency identification device |
| 12/21/2000 | DE10017374A1 Magnetic coupling device using multi-layer magnetic field sensor |
| 12/20/2000 | EP1061663A1 Identification method for overlapped tags |
| 12/20/2000 | EP0917763A4 Selective call radio with contraposed touchpad |
| 12/20/2000 | EP0809906A4 Very low power cordless headset system |
| 12/20/2000 | CN1277695A System for the transmission of data from a data carrier to a station by means of at least one other auxiliary carrier signal |
| 12/20/2000 | CN1277497A Data demdulating method and demodlator circuit for synchronous electromagnetic induction communication |
| 12/13/2000 | EP1058907A1 Transponder communication station provided with a transmission coil configuration with three transmission coils |
| 11/30/2000 | WO2000072461A1 Identification system for monitoring the presence/absence of members of a defined set |
| 11/30/2000 | WO2000072401A1 Electrical signal coupling device |
| 11/30/2000 | WO2000072387A1 Magnetic coupling device and use thereof |
| 11/30/2000 | WO2000072255A1 Identification tag |
| 11/30/2000 | DE19924830A1 Electronic tire pressure, temperature and wear monitoring system has a transponder component group and radial coil molded into the tire wall and transmits signals to a vehicle mounted transceiver |
| 11/30/2000 | CA2371590A1 Identification tag |
| 11/30/2000 | CA2371343A1 Identification system for monitoring the presence/absence of members of a defined set |
| 11/30/2000 | CA2338626A1 Electrical signal coupling device |
| 11/29/2000 | EP1055191A1 A high gain input stage for a radio frequency identification (rfid) transponder and method therefor |
| 11/28/2000 | US6154005 Inductive charger coupling for electric vehicles |
| 11/28/2000 | US6152373 Detector of radio frequency signals for contactless chip cards |
| 11/23/2000 | WO2000044091A3 Antenna system for radio frequency identification |
| 11/23/2000 | DE19924603A1 Transponder data communications method, transferring data through wall, involves connecting transponder to sensor(s) via measurement data acquisition unit, inductively coupling to external transmitter |
| 11/22/2000 | EP1053375A1 A radio frequency identification (rfid) security device |
| 11/22/2000 | CN2407513Y Bidirectional wireless security transaction device |
| 11/21/2000 | US6150948 Low-power radio frequency identification reader |
| 11/21/2000 | CA2168525C Plate antenna method using integral noise mitigation for railway cab signal |
| 11/16/2000 | WO2000013429A3 Radio paging system and pager terminal using a plurality of subscriber numbers |
| 11/09/2000 | WO2000067363A1 A constant-frequency machine with a varying/variable speed |
| 11/09/2000 | WO2000067355A1 Power converter with rotating/stationary communication/processing means |
| 11/09/2000 | CA2367389A1 A constant-frequency machine with a varying/variable speed |
| 11/09/2000 | CA2367386A1 Power converter with rotating/stationary communication/processing means |
| 11/08/2000 | EP1050094A1 Supply of power to primary conductors |
| 11/08/2000 | EP0885502A4 Authentication system and method for a remote keyless entry system |
| 11/02/2000 | WO2000065551A1 Low-power radio frequency identification reader |
| 11/02/2000 | EP1049268A2 Inductive coupling interface for electronic device |
| 10/26/2000 | DE19917872A1 Apparatus for modulating physical or chemical parameters by means of a rotation-free vector potential comprises a toroidal coil or very long solenoid coil operating above the boiling point of liquid helium |
| 10/25/2000 | EP1045947A1 Electronic communications system |
| 10/24/2000 | US6137447 Antenna for reader/writer |