Patents
Patents for H04B 5 - Near-field transmission systems, e.g. inductive loop type (17,859)
09/2008
09/10/2008CN201114027Y Double channel radio frequency transmitting/receiving device for dedicated short distance communication
09/10/2008CN201114026Y Double frequency microwave emission source for small-sized vehicular equipment
09/10/2008CN201114025Y Blue tooth cluster multimedia transferring apparatus
09/10/2008CN201114018Y Blue tooth vehicle mounted handfree device
09/10/2008CN201114014Y Interphone
09/10/2008CN201114001Y Wireless small-sized loudspeaker for special defence personnel communicating with outside
09/10/2008CN201114000Y Vehicle mounted communications system
09/10/2008CN201113998Y Blue tooth mobile phones talker mounted on rear mirror of vehicle
09/10/2008CN201113996Y Radio microphone system
09/10/2008CN201111915Y Bluetooth vehicle-mounted MP3 player
09/10/2008CN101263664A Method and apparatus for augmenting bluetooth-type capabilities of a wireless terminal
09/10/2008CN101263661A Communication system, communication apparatus, communication method, and program
09/10/2008CN101262396A Automatic power on and power off device for wireless network access device with RJ45 interface
09/10/2008CN101262254A Managing low-power wireless mediums in multiradio access devices
09/10/2008CN101261671A A pet recognition and management reading/writing device
09/10/2008CN101261261A Water environment monitoring system based on ZigBee wireless technology
09/10/2008CN101260755A Unlocking system and method
09/10/2008CN100418104C Surface acoustic wave converter and identification system using the same
09/09/2008US7424265 Rectifier circuit and radio communication device
09/09/2008US7423517 Transponder with a controllable power-on-reset circuit
09/07/2008CA2623621A1 Secure method for loading service access data in an nfc chipset
09/04/2008WO2008105477A1 Portable electronic device and magnetic antenna circuit
09/04/2008WO2008105184A1 Memory medium, communication system and control device
09/04/2008WO2008084351A3 Method of transmitting data, electronic device and transponder
09/04/2008WO2007079501A8 Contactless data communications coupler
09/04/2008US20080214108 Contactless Communications Method Based On Asynchronous Modulations And Demodulations
09/03/2008CN201111328Y Separate type wireless earphone of mobile telephone
09/03/2008CN201111015Y Computer cabinet with wireless information transmission function
09/03/2008CN101258515A Data transfer system, data acquisition device, data acquisition method, data accumulation device, data transmission method, and program for the same
09/03/2008CN101257328A Sensor and electric product and communication apparatus using the same
09/03/2008CN101257327A Multi-radio management through quality level control
09/03/2008CN101257326A Method and system for matching pair of wireless transmitting kit and wireless receiving kit
09/03/2008CN101257322A Method and system for processing signal received by communication medium
09/03/2008CN101256695A Method for automatically charging of near-field communication terminal
09/03/2008CN101256694A Method for automatically charging for electronic purse of near-field communication terminal
09/03/2008CN101256638A Electronic device with communication capability
09/03/2008CN100417040C Data demdulating method and demodlator circuit for synchronous electromagnetic induction communication
09/03/2008CN100416586C Auto-tuning scanning proximity reader
09/02/2008US7421249 Read-write processing apparatus and method for RFID tag
09/02/2008US7421245 Field-shaping shielding for radio frequency identification (RFID) system
08/2008
08/28/2008WO2008103014A1 Wireless communication device for communication between multi-tags and readers and method thereof
08/28/2008WO2008102814A1 Semiconductor device performing signal transmission by using inductor coupling
08/28/2008US20080207123 Configurable means to provide wireless module customization
08/28/2008DE102007008469A1 Measurement/report values transmitting device for use in e.g. electricity meter, has secondary antenna that is not connected with primary antenna, fixed outside housing, and coupled to primary antenna by near field coupling
08/27/2008EP1961153A1 Method, device, and system for network-based remote control over contactless secure storages
08/27/2008EP1961129A2 Clock-free activation circuit
08/27/2008EP1604509A4 Load variation tolerant radio frequency (rf) amplifier
08/27/2008CN101252753A Double-card double-standby double-blue-tooth mobile phone
08/27/2008CN101252724A Wireless communication method for replacing wireless device to perform wireless communication after receiving confirmation from user and image device thereof
08/27/2008CN101252722A Mobile communication guide system and guide method
08/27/2008CN101252552A Embedded type household network gateway supporting wireless audio and video transmissions
08/27/2008CN101252377A Earphone equipment and method for communication terminal to realize voice intercommunication traffic using the same
08/27/2008CN101252376A System and method for connecting blue tooth equipment and mobile communication terminal thereof
08/27/2008CN100414913C Serial data bus, motion system and method for the event-driven transmission of messages
08/27/2008CN100414849C Short-range radio terminal adapted for data streaming and real time services
08/26/2008US7418237 Electric circuit and transmission method for telemetric transmission
08/21/2008WO2008099955A1 Base body, and system for confirming base body existing position and frequency response characteristic
08/21/2008WO2008099067A1 Method for characterizing the radio link of rfid tags
08/21/2008WO2008059460A3 Near field communication (nfc) activation
08/21/2008US20080200119 Power reception control device, power transmission control device, non-contact power transmission system, power reception device, power transmission device, and electronic instrument
08/21/2008US20080198903 Frequency switcher, RFID system and distance measuring apparatus incorporating the Frequency switcher
08/21/2008US20080197973 Load Modulation in an Electromagnetic Transponder
08/21/2008DE19833244B4 Systeme zur elektrischen Isolierung von Patienten Systems for electrical insulation of patients
08/21/2008CA2676911A1 Inductive power and data transmission system based on class d and amplitude shift keying
08/20/2008EP1959580A1 Signal extraction circuit
08/20/2008EP1959579A1 Electronic tag, and electronic tag system
08/20/2008EP1959578A2 Frequency switcher, RFID system and distance measuring apparatus incorporating the frequency switcher
08/20/2008EP1958470A1 Passive nfc activation of short distance wireless communication
08/20/2008EP1958343A1 Rfid tag apparatus and authentication method thereof
08/20/2008EP1958172A2 Multiple radio frequency network node rfid tag
08/20/2008EP1256093B1 An identification device for providing information regarding a container
08/20/2008CN101247610A Method, equipment and system for managing multi-short distance wireless technical communication
08/20/2008CN101247602A Method, system and mobile communication terminal for controlling Bluetooth equipment selection network
08/20/2008CN101247579A Method for locking mobile communication terminal through Bluetooth earphone
08/20/2008CN101247425A Network telephone wireless controller
08/20/2008CN101247296A Beacon equipment and beacon status indication method and system
08/20/2008CN101247241A Dynamic data searching system used for communication system
08/20/2008CN101247145A Digital signal converter
08/20/2008CN101247144A Bluetooth device and its band width management method
08/20/2008CN101246417A Method and system for non-intermittence software switch of audio data flow input/output
08/20/2008CN101246209A Split type vehicle mounted GPS
08/14/2008WO2008097509A1 Item level inventory with a radio frequency identification (rfid) system
08/14/2008WO2008096983A1 Voice telecommunication call bell system
08/14/2008WO2008096676A1 Communication system
08/14/2008WO2008096059A1 Radiofrequency local communication interface between a mobile phone and a contactless reader
08/14/2008WO2006020084A3 Parametric audio system for operation in a saturated air medium
08/14/2008US20080194200 Wireless Communicators
08/14/2008DE102007007674A1 Data detecting, maintaining and/or controlling arrangement for bulk goods at conveyor belt, has pipe-slot-antennas used as radio identification antenna and arranged in beam of portal or frame, where portal is input portal
08/14/2008CA2675377A1 Item level inventory with a radio frequency identification (rfid) system
08/13/2008CN101242446A A wireless earphone phone
08/13/2008CN101242202A Organizational person management, advertisement information distribution and collection system for Bluetooth communication
08/13/2008CA2620506A1 System and method for providing improved detection of user inaction
08/12/2008CA2290410C Eas tag deactivation device with biplanar deactivation
08/07/2008US20080188178 Method for Ensuring a Secure Nfc Functionality of a Wireless Mobile Communication Device and Wireless Mobile Communication Device Having a Secure Nfc Functionality
08/07/2008DE10353373B4 Transponder Transponder
08/06/2008EP1953862A1 Coil antenna and portable electronic apparatus
08/06/2008CN201097463Y Removable real time satellite receiver combining Bluetooth mobile phone
08/06/2008CN101238478A Data communication system, device for executing ic card function, control method for the device, and information processing terminal
08/06/2008CN101237651A A separated mobile terminal
08/06/2008CN101237257A Method and system for improving client server transmission over fading channel