| Patents for H04B 5 - Near-field transmission systems, e.g. inductive loop type (17,859) |
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| 03/06/2002 | EP1184807A1 IC card and method for manufacture |
| 03/06/2002 | CN2481066Y Radio queued pager |
| 03/06/2002 | CN1339138A Surface acoustic wave converter and identification system using the same |
| 02/28/2002 | WO2002017223A1 Identification transponder |
| 02/28/2002 | WO2001086853A3 System for communication on a computer unit |
| 02/28/2002 | US20020025781 Information distribution system using local radio network |
| 02/28/2002 | US20020024475 Non-contact type IC card, antenna and antenna frame for IC card |
| 02/28/2002 | US20020023964 Non-contact type IC card and method for manufacturing such card |
| 02/27/2002 | CN1337789A Radio ads system for the commercialist's ads emitter |
| 02/27/2002 | CN1080075C Method and apparatus for receiving selected paging signals |
| 02/26/2002 | US6351630 Wireless communication system, radio frequency communications system, wireless communications method, radio frequency communications method, and backscatter radio frequency communications system |
| 02/26/2002 | US6351626 System for noncontacting of electrical energy or electrical signals |
| 02/21/2002 | WO2002015116A1 Antenna generating an electromagnetic field for transponder |
| 02/21/2002 | WO2002015112A2 Rfid passive repeater system and apparatus |
| 02/21/2002 | US20020022454 Contactless integrated circuit with reduced power consumption |
| 02/21/2002 | US20020022451 Local area network computer system utilizing radiating transmission line |
| 02/21/2002 | US20020021208 RFID passive repeater system and apparatus |
| 02/21/2002 | US20020021207 Evaluation of the number of electromagnetic transponders in the field of a reader |
| 02/21/2002 | CA2419116A1 Rfid passive repeater system and apparatus |
| 02/20/2002 | CN1337007A Article identification tag, and method for the detection thereof |
| 02/14/2002 | WO2002013124A1 Detection of an electric signature of an electromagnetic transponder |
| 02/14/2002 | WO2001058252A3 Implantable inductively programmed temperature sensing transponder |
| 02/14/2002 | WO2000005824A3 Device for transmitting signals in a vehicle |
| 02/14/2002 | US20020018001 Non-contact communication apparatus and control method for non-contact communication apparatus |
| 02/14/2002 | US20020017980 Antenna device of interrogator |
| 02/14/2002 | US20020017979 Method of the transmission of data |
| 02/14/2002 | EP1145460A3 Device for transmitting signals in a vehicle |
| 02/14/2002 | DE10037854A1 Transponder antenna arrangement has two flat transponder antenna coils on a first and second sub areas of coil surface with opposite winding direction viewed with coil surface in plane |
| 02/13/2002 | EP0925665B1 Method of cryptological authentification in a scanning identification system |
| 02/13/2002 | EP0623261B1 Radio coverage in closed environments |
| 02/12/2002 | US6346884 Apparatus for identifying an article |
| 02/12/2002 | US6345520 Device for transferring digital data between a rotating part and a fixed part of a machine, particularly for hosiery knitting machines and the like |
| 02/07/2002 | WO2002010674A1 Short-distance locating system |
| 02/07/2002 | US20020016153 Authenticating method for short-distance radio devices and a short-distance radio device |
| 02/06/2002 | EP1178697A2 Authenticating method for short-distance radio devices and a short-distance radio device |
| 02/06/2002 | EP1177520A2 Data carrier having a controllable carrier-signal receiving-means configuration |
| 02/06/2002 | CN1334998A Contactless electronic communication device with optional auxiliary power source |
| 02/06/2002 | CN1334649A Intelligent shoes for heal-and-toe walking race and method for detecting rule breaking in heel-and-toe walking race |
| 02/05/2002 | US6344803 Roadside radio apparatus |
| 01/31/2002 | WO2002009028A1 Low-power passive transponder |
| 01/31/2002 | WO2002009022A1 Multiple tag interrogation system |
| 01/31/2002 | WO2002009021A1 High sensitivity reader for passive transponders |
| 01/31/2002 | US20020013914 Frequency sensor for each interface of a data carrier |
| 01/31/2002 | US20020011932 Object identification system with adaptive transceivers and methods of operation |
| 01/31/2002 | DE10104019C1 Motor cycle protective suit with airbag(s) has connection arrangement to trigger device on motor cycle formed by coil(s) for acquiring energy and data transmission radio terminal(s) |
| 01/31/2002 | DE10033040A1 Electric current and electronic signal supply device in e.g. radio of vehicle, has connection leads in instrument panel and electronic device, for transmission of current and signal via coil excitation and magnetic effects |
| 01/30/2002 | EP1175718A1 Power converter with rotating/stationary communication/processing means |
| 01/30/2002 | EP0950288B1 Wireless communication system including a plurality of selectable antennas and wireless communications methods |
| 01/24/2002 | WO2002007173A1 Electromagnetically coupled device |
| 01/24/2002 | WO2002007081A1 Rfid tag installing structure, rfid tag installing method, and rfid tag communication method |
| 01/24/2002 | US20020008632 Method and apparatus for magnetic induction heating using radio frequency identification of object to be heated |
| 01/23/2002 | EP1127469A4 Rfid tag having parallel resonant circuit for magnetically decoupling tag from its environment |
| 01/23/2002 | CN2473811Y Radio communication terminal capable of internet access and auxiliary communication terminal |
| 01/23/2002 | CN1332560A Full duplex cordless earphone for mobile phone |
| 01/23/2002 | CN1078430C Method of recovering erased calling message in radio pager |
| 01/22/2002 | US6340932 Carrier with antenna for radio frequency identification |
| 01/17/2002 | DE10031005A1 Selbstdiagnostizierendes Übertragungssstem-Intelligenter Schleifring Selbstdiagnostizierendes Übertragungssstem-Intelligent slip ring |
| 01/16/2002 | EP1171843A1 Desk comprising an integrated reading device |
| 01/10/2002 | WO2002003403A2 Self-diagnosing transmission system |
| 01/03/2002 | WO2001065062A3 Use of downhole high pressure gas in a gas-lift well |
| 01/03/2002 | US20020000316 Method and apparatus for the optimal predistortion of an electromagnetic signal in a downhole communication system |
| 01/02/2002 | CN2469623Y Audio wireless transmitting device used for installation in bathroom or toilet |
| 01/02/2002 | CN2469622Y Audio wireless transmitting device used in battroom or toilet |
| 01/02/2002 | CN1077384C Paging receiver with performed sentence displaying function |
| 01/02/2002 | CN1077050C Semiconductor device and method for manufacturing the same |
| 01/01/2002 | US6335685 Apparatus and method for locating containers and contents of containers using radio frequency tags |
| 01/01/2002 | CA2164683C Completely redundant communication system utilizing radiating transmission line |
| 12/27/2001 | WO2001059700A3 An identification device for providing information regarding a container |
| 12/27/2001 | WO2001034049A3 Surgical communication and power system |
| 12/20/2001 | WO2001065479A3 Data carrier having means for synchronization with a received data stream |
| 12/20/2001 | US20010052547 Data carrier having a communication resonant circuit and having means for changing the resonant frequency of this resonant circuit in either sense |
| 12/19/2001 | EP1163734A1 Circuit for transmitting/receiving data by inductive coupling |
| 12/19/2001 | EP1163632A1 Surface acoustic wave converter and identification system using the same |
| 12/19/2001 | EP0706732B1 Short range inductively coupled communication system employing time variant modulation |
| 12/19/2001 | CN1327310A Access of plantable medical equipment by broadcast hearving communications |
| 12/19/2001 | CN1327309A Program variable broadcast hearing communications capable of planting in medical equipment |
| 12/19/2001 | CN1327308A Fog-proof electronic sound communication device |
| 12/19/2001 | CN1076548C 寻呼机 Pager |
| 12/19/2001 | CN1076292C Track-guided transport system with power and data transmission |
| 12/13/2001 | WO2001095432A1 Electromagnetic induction coupling apparatus |
| 12/13/2001 | WO2001095242A2 Remote communication system |
| 12/12/2001 | EP1038257B1 System for the transmission of data from a data carrier to a station by means of at least one other auxiliary carrier signal |
| 12/12/2001 | CN2465404Y Radio electronic food ordering device |
| 12/11/2001 | US6329808 Method and system for the detection, by inductive coupling, of a load modulation signal |
| 12/11/2001 | CA2339830C Mobile karaoke system, method used provide electromagnetic compatibility for mobile karaoke system, mobile wireless transmitting device for it, cartridge for it, method used to prevent usage of unauthorized cartridge in it and method to prevent unauthorized accessed to the data stored in it |
| 12/06/2001 | WO2001054048A3 Data carrier having a controllable carrier-signal receiving-means configuration |
| 12/06/2001 | WO2001041316A3 System for transmitting electric signals between moving parts with a reduced number of paths |
| 12/06/2001 | DE10025561A1 Energieautarker Hochfrequenzsender Energy-autonomous radiofrequency transmitter |
| 12/05/2001 | EP1160915A2 Antenna device of interrogator |
| 12/04/2001 | US6326884 Method of transmitting data between a small electric appliance and a supplementary electric appliance connectible therewith, as well as appliances suitably configured for this purpose |
| 11/29/2001 | WO2001091315A2 Energy self-sufficient high frequency transmitter |
| 11/29/2001 | DE10023592A1 Inductive transformer for transmission of data and/or energy e.g. for automobile steering wheel, uses measurement of magnetic field for determining relative spacing of transformer cores |
| 11/28/2001 | EP1157364A2 Rf identification process and apparatus |
| 11/28/2001 | CN2462621Y Concealed electronic cipher remote controller |
| 11/28/2001 | CN2462620Y 计量遥控器 Metering remote control |
| 11/28/2001 | CN1324545A Frid tag having parallet resonant circuit for magnetically decoupling tag from its environment |
| 11/28/2001 | CN1324468A Contactless integrated circuit with reduced power consumption |
| 11/28/2001 | CN1324150A Classifying reception and treatment method and equipment for radio broadcast transmitted digital data |
| 11/28/2001 | CN1324012A Non-contact type transmitter |
| 11/27/2001 | US6323728 Data carrier for the contactless reception of amplitude-modulated signals |