| Patents for H04B 5 - Near-field transmission systems, e.g. inductive loop type (17,859) |
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| 03/19/2003 | CN2540708Y Chinese-english computer learning machine with wireless signal propagation device |
| 03/19/2003 | CN2540707Y Structure of wireless network card |
| 03/19/2003 | CN1404596A System for wireless, bi-directional transfer of electric signals |
| 03/19/2003 | CN1404333A LC filter circuit, laminated LC composite parts, multiplexer and radio communication apparatus |
| 03/19/2003 | CN1103517C System and method for providing useful information for moving object |
| 03/18/2003 | US6533178 Device for contactless transmission of data |
| 03/13/2003 | WO2003021839A2 Transmission of measurement data |
| 03/13/2003 | WO2003021548A2 Transmission of measuring data |
| 03/13/2003 | WO2002075939A3 Wireless communication over a transducer device |
| 03/13/2003 | US20030050011 Inductive communication system and method |
| 03/13/2003 | US20030050010 Method and apparatus for providing wireless diagnostics, authentication, and redundancy of wired circuitry |
| 03/13/2003 | US20030050009 Security apparatus and method during BLUETOOTH pairing |
| 03/13/2003 | US20030048697 Power generation using batteries with reconfigurable discharge |
| 03/13/2003 | US20030048653 Semiconductor integrated circuit device and contactless electronic device |
| 03/13/2003 | US20030047308 Wireless downwhole measurement and control for optimizing gas lift well and field performance |
| 03/12/2003 | EP1291806A1 Procedure for reading electronic tags by identification of their code |
| 03/12/2003 | EP1290618A2 Remote communication system |
| 03/06/2003 | US20030043759 LC filter circuit, laminated LC composite component, multiplexer, and radio communication device |
| 03/06/2003 | US20030042571 Chip-scale coils and isolators based thereon |
| 03/05/2003 | EP1289192A1 Master communication apparatus used in radio lan system, and control method and control program of master communication apparatus |
| 03/05/2003 | EP1287507A1 Event driven information system |
| 03/04/2003 | US6529786 Queue management system |
| 02/27/2003 | WO2003017656A1 Wireless mobile device |
| 02/27/2003 | WO2002065380A3 Radio frequency identification architecture |
| 02/27/2003 | US20030040291 Transmitter system for wireless communication with implanted devices |
| 02/26/2003 | EP1286478A1 Tactile Sensor System with Transponder |
| 02/26/2003 | EP1286477A1 Portable receiver with two antennas |
| 02/26/2003 | EP1286179A2 Method of interrogating a radio frequency identification device |
| 02/26/2003 | EP1285417A2 Radio frequency detection and identification system |
| 02/26/2003 | CN1399206A Method of playing radio networking game in hand-held game set via blue-tooth communication technology |
| 02/25/2003 | US6525530 Continuous sine wave driver for an inductive position transducer |
| 02/20/2003 | WO2003015382A1 Mobile phone and hands-free kit with inductive link |
| 02/20/2003 | WO2003015308A1 Portable receiver with two antennae |
| 02/20/2003 | WO2003015020A1 Data carrier having an active signal processing circuit and a passive signal processing circuit |
| 02/20/2003 | WO2003015019A1 Transponder in power down mode during load modulation |
| 02/20/2003 | WO2003015007A1 Non-contact smart card interrogator, wherein across a transmission line from an antenna to a receiver the signal modulation varies between the amplitude modulation and phase modulations |
| 02/19/2003 | EP1284004A1 Inductive translator composed of two spools with respective cores |
| 02/18/2003 | CA2360298C Auto-tuning scanning proximity reader |
| 02/13/2003 | WO2002021424A3 System and method for using radio frequency identification in retail operations |
| 02/13/2003 | US20030030568 Wireless identification systems and protocols |
| 02/13/2003 | US20030030543 Proximity transaction control method |
| 02/12/2003 | EP1282967A1 Device for carrying out wide-band electrical signal transmission with a mobile directional coupler |
| 02/12/2003 | EP1282884A1 Data carrier having means for changing the resonant frequency of its resonant circuit |
| 02/06/2003 | US20030025591 Input impedance arrangement for RF transponder |
| 02/06/2003 | US20030024985 Transponder in power down mode during load modulation |
| 02/06/2003 | US20030024704 Use of downhole high pressure gas in a gas-lift well |
| 02/05/2003 | EP1282272A2 Proximity transaction control method |
| 02/05/2003 | CN2534757Y Power-saving device for mobile telephone and man-machine interface terminal apparatus |
| 02/04/2003 | US6516182 High gain input stage for a radio frequency identification (RFID) transponder and method therefor |
| 02/04/2003 | US6516075 Hearing enhancement system |
| 02/04/2003 | US6516038 Receiving circuit |
| 01/30/2003 | WO2003009501A1 Exciter system and method for communications within an enclosed space |
| 01/30/2003 | WO2003009500A1 Hub and probe system and method |
| 01/30/2003 | US20030019941 Identification element |
| 01/29/2003 | EP1280092A1 Enhanced identification system |
| 01/23/2003 | US20030016182 Array for the transmission of electrical signals between moving units at a reduced number of paths |
| 01/22/2003 | EP1278337A1 Slave communication apparatus used in radio lan system, control method of slave communication apparatus, and control program |
| 01/22/2003 | EP1278335A1 Radio lan system and radio lan system controlling method and control program |
| 01/22/2003 | EP1277170A1 Frequency sensor for each interface of a data carrier |
| 01/22/2003 | EP1276968A1 Logging sondes for use in boreholes |
| 01/22/2003 | EP0671084B1 Selective call signaling system and method with combined wide area paging and high data rate transmissions via radio telephone transceivers |
| 01/22/2003 | CN2532626Y Electronic travel guiding machine |
| 01/22/2003 | CN1393045A Cutoff transmission and/or reception antenna |
| 01/22/2003 | CN1392713A Network connector for realizing multiple electronic equipment wireless internet communication |
| 01/22/2003 | CN1392679A Radio remote control startor for host computer |
| 01/22/2003 | CN1099769C Filter device and dual-band radio system used in said filter device |
| 01/21/2003 | US6510517 Method of cryptological authentification in a scanning identification system |
| 01/16/2003 | WO2003005380A2 Device for the inductive transmission of electrical power |
| 01/16/2003 | WO2001067043A9 Ultra-sensitive magnetic field receiver capable of operating in high noise environments |
| 01/15/2003 | EP1275208A2 Array for contactless transmission of electrical signals or energy |
| 01/15/2003 | EP1275207A1 Device for transferring electrical energy or signals |
| 01/15/2003 | CN1391686A Low-power radio frequency identification reader |
| 01/15/2003 | CN1391380A Gateway of wireless transmission layer |
| 01/15/2003 | CN1391360A Selection method for transmitter of wireless data transmission |
| 01/14/2003 | US6505771 Method, system and device for transferring, by electromagnetic linkage, data between readers and nomadic objects |
| 01/09/2003 | WO2003003788A2 Supplemental audio content system with wireless communication for a cinema and related methods |
| 01/09/2003 | WO2003003680A1 Communication device having a two-mode controlled isolation circuit for power transport and bidirectional communication |
| 01/09/2003 | US20030007176 Image output device, connecting destination selecting method and image output system |
| 01/09/2003 | CA2452292A1 Supplemental audio content system with wireless communication for a cinema and related methods |
| 01/08/2003 | CN1389988A Multiplex commuicator with radio transceivers in several regions and its working method |
| 01/02/2003 | US20030003903 Wireless transmission of signals and statuses from mobile devices to stationary or mobile devices |
| 01/02/2003 | US20030003870 Data carrier designed for contactless communication and having detection means for detecting a temperature prevailing in the data carrier |
| 01/02/2003 | US20030003865 Method and system for interfacing a machine controller and a wireless network |
| 01/02/2003 | US20030003864 Cover for a mobile telephone handset |
| 01/02/2003 | US20030003776 Arrangement for transmitting electrical signals and/or energy between parts that can be rotated in relation to each other |
| 01/02/2003 | US20030002689 Supplemental audio content system with wireless communication for a cinema and related methods |
| 01/02/2003 | EP1271899A1 Cover with induction coil for a mobile telephone handset |
| 01/02/2003 | EP0740894B1 Infrared communication system |
| 01/01/2003 | CN2529464Y Blue tooth net gate base on ICP/IP protocol |
| 01/01/2003 | CN1388689A Comprehensive household radio multimedia access equipment |
| 01/01/2003 | CN1097982C Method and apparatus for selecting functions in radio paging receiver |
| 01/01/2003 | CN1097981C Apparatus for sending alert in radio paging receiver and method thereof |
| 12/27/2002 | WO2002103645A2 Wireless identification system and protocol |
| 12/27/2002 | CA2450727A1 Wireless identification systems and protocol |
| 12/25/2002 | CN1387743A Method and apparats for magnetic induction heating using radio frequency identification of object to be heated |
| 12/25/2002 | CN1387325A 天线装置 The antenna device |
| 12/25/2002 | CN1097359C Telecommunication system and method |
| 12/17/2002 | US6496693 Method and apparatus for transmitting data to a pager in a communications system |
| 12/12/2002 | US20020186106 Electromagnetically coupled interconnect system architecture |
| 12/11/2002 | CN1384616A Long-distance blue-teeth data transmitting method |