| Patents for H04B 5 - Near-field transmission systems, e.g. inductive loop type (17,859) |
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| 01/27/2005 | US20050021525 Data carrier having power dependent data processing modes |
| 01/27/2005 | US20050020224 Passive device for increasing the transmission effectiveness of radio-frequency systems |
| 01/27/2005 | DE202004016751U1 Transpondersystem Transponder system |
| 01/26/2005 | EP1500160A1 Waveguide communication system |
| 01/26/2005 | EP1336158B1 Contactless data carrier |
| 01/26/2005 | EP1138098A4 Multiple loop antenna |
| 01/26/2005 | EP1045947B1 Electronic communications system |
| 01/26/2005 | CN1571285A Noise cancellation method for wireless signal receiving device |
| 01/26/2005 | CN1570696A Refractive display device |
| 01/26/2005 | CN1186957C Hand held equipment cell with blue-tooth module |
| 01/26/2005 | CN1186918C Method for transfering incoming call for blue tooth mobile phone |
| 01/26/2005 | CN1186724C Method of making bluetooth USB adaptor having man-machine interaction function |
| 01/25/2005 | US6847283 Inductive translator composed of two spools with respective cores |
| 01/25/2005 | US6847256 Electromagnetic transponder reader |
| 01/20/2005 | US20050012612 Event driven information system |
| 01/20/2005 | US20050012393 Transceiver and method for operating the transceiver |
| 01/19/2005 | EP1499034A2 Circuit and method for phase modulation of transponders based on backscattering |
| 01/19/2005 | EP1497927A1 Wireless communication rf circuit and communication apparatus including the same |
| 01/19/2005 | CN1568474A RFID time tracking |
| 01/19/2005 | CN1568068A A method for implementing call forwarding of blue tooth handset by using dynamic extension number |
| 01/19/2005 | CN1567969A Blue tooth telephone pedestal |
| 01/19/2005 | CN1567960A An equipment for implementing automatic call forwarding of blue tooth handset and method thereof |
| 01/19/2005 | CN1567951A A multifunctional wireless communication device |
| 01/19/2005 | CN1567740A Line loss automatic compensation system and method for active indoor distributed system |
| 01/18/2005 | US6845242 Cordless telephone system |
| 01/13/2005 | WO2005004413A1 Communication monitoring system and method |
| 01/13/2005 | WO2004109429A3 A method and apparatus for distributing information |
| 01/13/2005 | WO2004015885A9 Wireless power supply system for small devices |
| 01/13/2005 | US20050009583 Directional wireless communication systems |
| 01/13/2005 | US20050005673 Ferrite system |
| 01/12/2005 | EP1495456A1 Method and apparatus for sensing and transmitting a body characteristic of a host |
| 01/12/2005 | EP1449113A4 Dual antenna coil transponder system |
| 01/12/2005 | EP1204954A4 Electronic article security system employing variable time shifts |
| 01/12/2005 | CN2670905Y On-line automatic workpiece measuring apparatus |
| 01/12/2005 | CN1564477A Radio peripheral and related radio system able to warn radio communication state |
| 01/12/2005 | CN1564476A Appliance of integrating blueteeth earphone and blueteeth adaptor |
| 01/12/2005 | CN1564262A Blue-teeth GPRS general serial bus USB |
| 01/12/2005 | CN1184746C Method and device for changing charaacte attribute of electronic file |
| 01/11/2005 | US6842493 Procedure for increasing the manipulation security for a bi-directional contactless data transmission |
| 01/11/2005 | US6840448 Portable information processing apparatus |
| 01/11/2005 | US6840317 Wireless downwhole measurement and control for optimizing gas lift well and field performance |
| 01/06/2005 | WO2005002081A1 Data communication device |
| 01/06/2005 | WO2005002080A1 System and method for receiving data for training a trainable transmitter |
| 01/06/2005 | US20050003811 System and method of wirelessly triggering portable devices |
| 01/06/2005 | US20050003757 Electromagnetic tracking system and method using a single-coil transmitter |
| 01/06/2005 | US20050001026 Reader/writer device and automatic ticket checker for checking ticket by reader/writer |
| 01/05/2005 | EP1494162A2 Noncontact IC card reader/writer |
| 01/05/2005 | EP1494161A2 Noncontact IC card reader/writer integrated with antenna |
| 01/05/2005 | EP1493384A1 Electromagnetic tracking system and method using a single-coil transmitter |
| 01/05/2005 | DE102004011677A1 Induktionsschleifendetektor mit automatischer Frequenzänderung Inductive loop detector with automatic frequency change |
| 01/05/2005 | CN2669537Y Wireless telephone based on bluetooth technology |
| 01/05/2005 | CN2669488Y Apparatus for encrypting voice and data based on bluetooth GSM mobile station |
| 01/05/2005 | CN1561011A Method and system for completing blue-tooth on-line match program by wire interface |
| 01/05/2005 | CN1183481C Contactless proximity automated data collection system and method |
| 12/30/2004 | US20040266486 Noncontact IC card reader/writer integrated with antenna |
| 12/30/2004 | US20040266382 Method for wireless data interchange between circuit units within a package, and circuit arrangement for performing the method |
| 12/30/2004 | US20040266334 Electromagnetic field communications system for wireless networks |
| 12/30/2004 | US20040263350 Permanent downhole, wireless, two-way telemetry backbone using redundant repeaters |
| 12/29/2004 | EP1490925A1 Microstrip antenna for an identification appliance |
| 12/29/2004 | EP1490852A1 Integrated circuit with enhanced coupling |
| 12/29/2004 | CN2667803Y Bluetooth radio telephone base station |
| 12/29/2004 | CN1182660C Intelligent shoes for heal-and-toe walking race and method for detecting rule breaking in heel-and-toe walking race |
| 12/28/2004 | US6836253 Transmitting and/or receiving unit for incorporation into an elastic structure |
| 12/28/2004 | US6836208 Contactless data transmission system and method for contactless data transmission |
| 12/28/2004 | US6835131 Game apparatus for supplying power to playing elements |
| 12/23/2004 | WO2004112275A1 An electronic billing system using blinking signal of display panel of mobile communication terminal and a method thereof |
| 12/23/2004 | US20040258032 Wireless communication apparatus, communication control program, and communication control method |
| 12/23/2004 | US20040257733 Data carrier with an active processing circuit and a passive signal processing circuit |
| 12/23/2004 | US20040257295 External antenna |
| 12/23/2004 | US20040257220 Circuit arrangement and method for phase modulation in a backscattering transponder |
| 12/23/2004 | US20040256468 Antenna device and communication device using antenna device |
| 12/23/2004 | DE10325396A1 Circuit arrangement for phase modulation for backscatter-based transponder has control unit that can selectively connect voltage sources to varactor connection(s) depending on desired phase angle |
| 12/22/2004 | EP1489733A2 Rectifier circuit for transponder |
| 12/22/2004 | EP1488542A1 Proximity triggered job scheduling system and method |
| 12/22/2004 | EP1488375A1 Portable device comprising a communication station configuration and a data carrier configuration |
| 12/22/2004 | CN2666038Y Carry-on memory device with wireless blue tooth module |
| 12/22/2004 | CN1557106A 无线通信系统 The wireless communication system |
| 12/22/2004 | CN1556591A Scheme of handset and user transmission signal through electromagnetic wave |
| 12/16/2004 | WO2004110029A2 Transmitter filter arrangement for multiband mobile phone |
| 12/16/2004 | WO2004109852A1 Antenna module and mobile communication terminal having the same |
| 12/16/2004 | WO2004109429A2 A method and apparatus for distributing information |
| 12/16/2004 | US20040252847 Sound system with passive speaker and proximity antenna |
| 12/16/2004 | US20040251302 Contactless data communication system, position information management system, contactless identification tag, data communication system, contactless indentification tag control program, and data communication system control program |
| 12/16/2004 | DE10322888A1 Intergrierter Schaltkreis mit Transponder Integrated circuit with transponder |
| 12/16/2004 | DE10244115B4 Vorrichtung zur Datenübertragung, insbesondere im Schienenverkehr Apparatus for data transmission, especially in rail |
| 12/15/2004 | EP1485860A1 Communication station for communication with transponders and further communication stations with the aid of different transmission parameters |
| 12/15/2004 | EP1415264B1 Non-contact smart card interrogator, wherein across a transmission line from an antenna to a receiver the signal modulation varies between amplitude modulation and phase modulation |
| 12/15/2004 | CN2664295Y High-frequency signal inducting luminous antenna |
| 12/15/2004 | CN1180373C Data carrier having means for synchronization with received stream |
| 12/14/2004 | US6831603 Motion tracking system and method |
| 12/14/2004 | US6831562 Object identification system with adaptive transceivers and methods of operation |
| 12/14/2004 | US6831378 Semiconductor integrated circuit device and contactless electronic device |
| 12/09/2004 | US20040248614 Transmitter filter arrangement for multiband mobile phone |
| 12/09/2004 | US20040248544 Portable receiver with two antennae |
| 12/09/2004 | US20040247139 Audio/video remote control with built-in earphone system |
| 12/09/2004 | US20040247138 Audio/video remote control with built-in earphone system |
| 12/09/2004 | US20040245858 Rectifier utilizing a grounded antenna |
| 12/09/2004 | US20040245348 Contactless IC media and system applying the same |
| 12/09/2004 | US20040245344 Integrated circuit for a transponder |
| 12/09/2004 | DE10349800A1 Bluetooth headset for e.g. cellular phone, has controller setting vibration mode to headset if boom is closed to main body, and performing incoming call indication operation at predetermined incoming call indication mode |