Patents
Patents for H04B 5 - Near-field transmission systems, e.g. inductive loop type (17,859)
03/2005
03/24/2005US20050063488 Inductive data and power link suitable for integration
03/24/2005US20050061183 Printing plate material, printing plate material roll, printing plate manufacturing process, and printing process
03/23/2005EP1517176A2 Printing plate material, printing plate material roll, printing plate manufacturing process, and printing process
03/23/2005EP1516438A1 Device for the wideband electrical connection of two units which can be displaced in relation to each other
03/23/2005EP1516389A1 Low frequency radio transmission device for motor vehicle passive entry system
03/23/2005EP1516282A1 Data carrier comprising means for influencing the slope course of the signal edges in an amplitude-modulated signal
03/23/2005EP1285417A4 Radio frequency detection and identification system
03/23/2005CN1599278A Method for continuous relay signal transmission using blue tooth
03/23/2005CN1598861A Article management apparatus and information processing methods
03/23/2005CN1598692A Printing plate material, printing plate material roll, printing plate manufacturing process, and printing process, and printing plate material manufacturing process
03/23/2005CN1194513C Audio data wireless transmission module based on blue teeth technique
03/22/2005US6871044 Exciter system and method for communications within an enclosed space
03/22/2005US6870460 Input impedance arrangement for RF transponder
03/22/2005US6869019 Communication device
03/17/2005WO2004109852B1 Antenna module and mobile communication terminal having the same
03/17/2005US20050058107 Method and system for repeat request in hybrid ultra wideband-bluetooth radio
03/17/2005US20050057341 Deep sleep in an RFID tag
03/16/2005EP1515473A2 Method and system for repeat request in hybrid ultra Wideband - bluetooth radio
03/16/2005EP1514233A1 Data carrier for storing information represented by an information voltage
03/16/2005EP1514232A1 Data carrier comprising evaluation means for evaluating information represented by an information voltage
03/16/2005EP1514222A1 Control and/or monitoring device using an electronic label, a reader and a state encoder
03/16/2005CN2685922Y Special colourful panel module for gate intercom
03/16/2005CN1596416A Reader/writer device and automatic ticket checker for checking ticket by reader/writer
03/16/2005CN1596415A Electronic device with communication capability
03/16/2005CN1596414A Antenna device and communication device using antenna device
03/16/2005CN1595875A Device and program product for the same
03/16/2005CN1595460A A system and method for finishing bank transactions via local area wireless network
03/16/2005CN1593332A Blue tooth system for monitoring body temperature
03/16/2005CN1193322C Electronic article security system employing variable time shifts
03/15/2005US6868040 Wireless power and communications cross-bar switch
03/15/2005US6867696 Wireless transmission of signals and statuses from mobile devices to stationary or mobile devices
03/10/2005US20050054406 Game machine and information communication system using data carrier
03/10/2005US20050053017 Device and program product for the same
03/10/2005US20050052282 Radio frequency identification device
03/09/2005EP1512239A1 Exciter-excitation system and methods for communications
03/09/2005EP1512118A1 Passive data carrier with signal evaluation means for evaluating information of a self-clocking signal
03/09/2005EP1511684A2 State remote reading device, and uses thereof
03/09/2005CN1592448A System and method for showing documents by mobile phone
03/09/2005CN1592446A On-vehicle telephone device for automatically identifying and wireless connecting to mobile phone
03/09/2005CN1592185A Terminal to terminal encryption method of cell phone voice and data
03/09/2005CN1592141A Terminal to terminal encryption method of cell phone voice and data
03/09/2005CN1592139A Method and system for data transmission
03/09/2005CN1591970A Information treater
03/09/2005CN1591472A Method for managing documents in digital apparatus
03/09/2005CN1591327A Method for remote-controlling computer based on mobile communication apparatus with blue tooth communication function
03/09/2005CN1591286A Method and system for managing device energy consumption
03/09/2005CN1591173A Cell phone digital camera
03/03/2005WO2005020460A1 Device and method for the transmission of energy and/or data between a source and a receiver that is movable relative thereto
03/03/2005WO2005020455A1 Communication system inquiry device
03/03/2005WO2005020449A2 Proximity detecting apparatus
03/03/2005US20050049760 Power management
03/02/2005EP1509986A2 Rectifier utilizing a grounded antenna
03/02/2005EP1509282A1 Low power signal transmission
03/02/2005EP1407561B1 Device for the inductive transmission of electrical power
03/02/2005EP1348260B1 Method and apparatus for transmitting a signal through a power magnetic structure
03/02/2005CN1589454A Data carrier for transmitting data with different transmission parameters
03/02/2005CN1588980A Image scanner
03/02/2005CN1588329A Local radio double machine/multiple machine communication method and device
03/02/2005CN1191701C Non-contact signal analyzer
03/01/2005US6862441 Transmitter filter arrangement for multiband mobile phone
02/2005
02/24/2005WO2005017821A1 Reader/writer and mobile communication device
02/24/2005US20050040997 Electronic device with communication capability
02/24/2005US20050040974 Method, system, and apparatus for remote data calibration of a RFID tag population
02/24/2005DE10334765A1 Kommunikationsvorrichtung zum Aufbau einer Datenverbindung zwischen intelligenten Geräten A communication apparatus for establishing a data connection between intelligent devices
02/23/2005EP1508871A2 Data communication device
02/23/2005EP1508204A1 Device for data and/or energy transmission between a seat and a chassis
02/23/2005CN2681186Y 蓝牙gprs通用串行总线闪存盘 Bluetooth gprs universal serial bus flash drives
02/23/2005CN1585959A Data carrier for transmitting data with different repetition frequencies
02/23/2005CN1190911C Long-distance blue-teeth data transmitting method
02/17/2005WO2005015766A1 Unidirectional power and bi-directional data transfer over a single inductive coupling
02/17/2005WO2003086807A8 Device for supplying energy and for guiding a mobile object inductively
02/17/2005US20050037783 Cordless telephone system
02/17/2005US20050037707 Wireless communication devices configurable via passive tags
02/16/2005EP1506517A1 Direct contactless communication between transponders
02/16/2005EP1506462A1 A method and a device for protection of personnel
02/16/2005CN2679953Y Noise isolating transceiving earphone
02/16/2005CN1582455A Data carrier having power dependent data processing modes
02/16/2005CN1582044A Short-distance wireless setting system and method for setting automatic transfer function for mobile phone
02/16/2005CN1581720A Wireless communication system with bluetooth module built in safety cap
02/15/2005US6856788 Wireless IC interconnection method and system
02/10/2005WO2005013506A1 Communication device for establishing a data connection between intelligent appliances
02/10/2005WO2005013501A1 Non-contact information medium and communication system using the non-contact information medium
02/10/2005US20050032474 Resonant frequency user proximity detection
02/10/2005US20050031476 Single-step or muti-step piston compressor
02/10/2005US20050029351 Noncontact IC card reader/writer
02/10/2005DE10338311B3 Transponder for cheque card reader or trackside transponder for communication with passing train with receiver for transponder data telegram incorporating power module for inductive energy supply of signal source
02/10/2005DE10331316A1 Ferritsystem Ferrite
02/09/2005EP1505535A1 Radio frequency identification device and reader therefor
02/09/2005EP1503918A1 Device for supplying energy and for guiding a mobile object inductively
02/09/2005EP1157364A4 Rf identification process and apparatus
02/09/2005CN1576883A Electromagnetic tracking system and method using a single-coil transmitter
02/08/2005US6851481 Electro-hydraulically pressurized downhole valve actuator and method of use
02/03/2005DE10331059A1 Transceiver und Verfahren zum Betreiben des Transceivers Transceiver and method of operating the transceiver
02/03/2005DE10329846A1 System und Verfahren zur Kommunikationsüberwachung System and method for communication monitoring
02/03/2005DE10329347A1 Verfahren zum drahtlosen Datenaustausch zwischen Schaltungseinheiten innerhalb eines Gehäuses und Schaltungsanordnung zur Durchführung des Verfahrens Method for wireless data exchange between circuit units within a housing and circuit arrangement for performing the method
02/02/2005EP1502230A1 Method of inventorizing a plurality of data carriers
02/02/2005EP1195011A4 Component field antenna for induction borehole logging
02/02/2005CN1574674A Wireless communication apparatus, communication control program, and communication control method
02/02/2005CN1572885A 通信系统 Communication System
01/2005
01/27/2005WO2005008267A1 Antenna for detecting magnetic field, and gate for detecting detection tag employing the antenna