Patents
Patents for H04B 5 - Near-field transmission systems, e.g. inductive loop type (17,859)
10/2009
10/07/2009CN101552708A Method and system for detecting bluetooth signals utilizing a wideband receiver
10/07/2009CN101552626A Electric field communication apparatus, electric field communication system, and method of controlling electric field communication apparatus
10/07/2009CN101552625A Method for operating wireless communication apparatus and apparatus capable of performing wireless communication
10/07/2009CN101552624A Method and apparatus for processing communication signal
10/07/2009CN101552477A Charger
10/07/2009CN100548018C Short distance wireless extension system and its speech receiving method
10/06/2009US7599705 Wireless transmitter and hearing system
10/06/2009US7599661 Method for generating power supply interruption time information in a contactless data carrier
10/06/2009US7599445 Device for transmitting digital signals between mobile units with modification of the spectral characteristics
10/01/2009WO2009119494A1 Rfid tag reader and antenna unit for rfid tag
10/01/2009US20090247100 Dual Threshold Demodulation in an Amplitude Modulation Radio Receiver
10/01/2009US20090247079 Terminal of radio-frequency transmission/reception by inductive coupling
10/01/2009US20090247078 Method and Apparatus for Automatic Application Selection in an Electronic Device Using Multiple Discovery Managers
10/01/2009US20090247077 Method and Apparatus for Automatic Near Field Communication Application Selection in an Electronic Device
10/01/2009DE102009003684A1 Vorrichtungen und Verfahren, die die NFC-Technolgie verwenden, um eine transportable Krankenakte auf Anforderung zu implementieren Devices and methods that use the NFC technology to implement a portable medical record on request
10/01/2009DE102008048818A1 Track-side device for transmitting transmission signal to rail vehicle, has line conductors running in one direction of track, where signal with phase shift is fed into one conductor with respect to feed of signal into another conductor
10/01/2009DE102008000897A1 Kommunikationsverfahren einer elektronischen Gesundheitskarte mit einem Lesegerät Communication method of an electronic health card with a reader
09/2009
09/30/2009EP2106034A2 Galvanically isolated energy and data transfer module
09/30/2009EP1972070B1 Communication system for data interchange between electrical installation engineering appliances
09/30/2009CN201319601Y Mobile communication terminal capable of achieving function of Bluetooth speech transmission
09/30/2009CN201319600Y Multifunctional wireless R-T unit
09/30/2009CN101547245A Method for playing multitrack audio file through a mobile phone
09/30/2009CN101547243A Split type mobile communication terminal
09/30/2009CN101547028A Apparatus for wireless communications and methods for operating the same
09/30/2009CN101547027A Video and audio radio broadcasting device
09/30/2009CN101547026A Mobile terminal and system and method for sharing and downloading data of same
09/30/2009CN101547025A System and method for acquiring and managing data through Bluetooth hotspots
09/30/2009CN101547024A Method and device for acquiring authorized information, method and device for sending authorized information and authorization system
09/30/2009CN101545191A Washing machine with function of Bluetooth communication and communication working method
09/29/2009US7596438 Beacon-based traffic control system
09/29/2009US7596229 Parametric audio system for operation in a saturated air medium
09/29/2009US7595732 Power generating circuit
09/29/2009US7595729 RFID tag and RFID system having the same
09/24/2009US20090238375 Dual streaming with exchange of fec streams by audio sinks
09/24/2009DE102008013664A1 Anordnung und Verfahren zum Betrieb einer SIM-Karte Arrangement and method for operating a SIM card
09/24/2009DE102005027632B4 Mehrkanal-Datenübertragungssystem für Computertomographen Multi-channel data transmission system for computer tomograph
09/23/2009EP2104251A2 Device and method for testing
09/23/2009EP2102994A2 Electrically insulated device for coupling measuring signals, and electrical appliance comprising such a device
09/23/2009EP2102829A2 Communications devices comprising near field rf communicators
09/23/2009EP1282884B1 Data carrier having means for changing the resonant frequency of its resonant circuit
09/23/2009CN101542929A Wireless communication device
09/23/2009CN101540854A Digital television terminal, remote control method and remote controller thereof
09/23/2009CN101540742A Method and apparatus for distributing notification among cooperating devices and device channels
09/23/2009CN100544224C Radio communication apparatus and radio communication method
09/17/2009WO2009113373A1 Semiconductor device
09/17/2009WO2009113343A1 Communication antenna device
09/17/2009US20090233546 Transmission method, interface circuit, semiconductor device, semiconductor package, semiconductor module and memory module
09/17/2009DE102008013580A1 Chip arrangement for multi-layer floor cover for controlling of e.g. suction robots, has reception and transmission unit provided for contactless reception of data and for transmission of data from sensors and chips to evaluation unit
09/16/2009EP2101278A2 Compensation circuit for an RFID reader unit and RFID reader unit
09/16/2009CN101536345A Near field communication (NFC) activation
09/16/2009CN101536344A Antenna for near field and far field radio frequency identification
09/16/2009CN101536008A Near field connection establishment
09/16/2009CN101534487A Calling vibration prompting device for mobile phone on the basis of Bluetooth technology
09/16/2009CN101534338A System and communication terminal for receiving and sending short messages
09/16/2009CN100542182C Load variation tolerant radio frequency (RF) amplifier
09/16/2009CN100541510C Wireless tag system, wireless tag access control device, wireless tag access control method and wireless tag
09/15/2009US7590384 Method for operating a near field communication system
09/15/2009US7590246 Authentication between a cellular phone and an access point of a short-range network
09/15/2009CA2481063C Method and apparatus for sensing and transmitting a body characteristic of a host
09/11/2009WO2009109096A1 Sensor and communication device and electronic product using the sensor
09/10/2009US20090227205 Inductively coupled integrated circuit with multiple access protocol and methods for use therewith
09/10/2009DE102008049371A1 Einrichtung mit einem RFID-Transponder in einem elektrisch leitfähigen Gegenstand und Herstellungsverfahren hierfür Device with an RFID transponder in an electrically conductive object and manufacturing method thereof
09/10/2009DE102008011920A1 Anordnung zum Versorgen zumindest eines Gerätes in einem Schaltschrank, einer Verteilereinheit oder einem Installationsgehäuse mit Hilfsenergie Arrangement for supplying at least one unit in a cabinet, a distribution unit or installation housing with power supply
09/10/2009DE102008011582A1 Datenübertragungseinrichtung und Anlage Data transmission device and system
09/09/2009EP2099139A2 Inductively coupled integrated circuit with near field communication and methods for use therewith
09/09/2009EP2097989A1 Radiofrequency local communication interface between a mobile phone and a contactless reader
09/09/2009EP2030337B1 Communication system and method of operating the same
09/09/2009CN101529732A Communication system and method of operating the same
09/09/2009CN101527744A Singing system with Bluetooth mobile phone
09/09/2009CN101524593A Wireless network interactive doll device
09/09/2009CN100539563C Radio communication system, device and method
09/08/2009US7587462 Method and apparatus for distributing notification among cooperating devices and device channels
09/08/2009US7587227 Directional wireless communication systems
09/03/2009WO2009108015A2 Rfid reader generating switching signal and power saving system including the same
09/03/2009WO2009107565A1 Rfid communication system
09/03/2009WO2009106109A1 Inductive data transfer device and system
09/03/2009WO2009066211A3 Transceiving circuit for contactless communication
09/03/2009US20090221233 Rotating device and robot arm device
09/03/2009US20090221232 Portable Telephone With Unitary Transceiver Having Cellular and RFID Functionality
09/03/2009DE102009007247A1 Transponder for radio frequency identification-system, has deactivator deactivating data communication functionality and CPU-functionality of transponder when derived parameter falls below threshold value
09/03/2009DE102008056929A1 Drahtlose Energie- und Datenübertragung unter Einsatz von Resonatoren Wireless energy and data transmission using resonators
09/02/2009EP1709748A4 Radio frequency identification and communication device
09/02/2009EP1625458A4 A method, system and computer readable medium for providing an output signal having a theme to a device in a short distance wireless network
09/02/2009CN201303327Y Special-purpose short-range communication trackside device
09/02/2009CN101523963A A method, apparatus or computer program for changing from scheduled to unscheduled communication modes
09/02/2009CN101523750A Article with electromagnetically coupled module
09/02/2009CN101521949A 信息处理设备和方法以及程序 The information processing apparatus and method, and program
09/01/2009US7583930 Transmission device, electric field communication transceiver, and electric field communication system
08/2009
08/27/2009WO2009105148A1 Phone number identifiers for iso 11784/85 compatible transponders and associated systems and methods
08/27/2009WO2009082126A3 Mobile terminal and method for providing terminal related information in power-off state
08/27/2009US20090215435 Mobile wireless communication terminals, systems, methods, and computer program products for managing playback of song files
08/27/2009US20090215391 Apparatus and method for compensating inductance in inductive coupling communications
08/27/2009US20090215385 Security for wireless communication
08/27/2009DE102009006872A1 Kontaktloses Chipmodul, kontaktlose Vorrichtung, kontaktloses System und Verfahren zur kontaktlosen Kommunikation Contactless chip module, contactless device, contact system and method for contactless communication
08/27/2009DE102008008089A1 Anordnung und Verfahren zur Detektion eines Transponders Arrangement and method for the detection of a transponder
08/26/2009EP2093893A2 Radio tag communication device, radio tag communication system, and radio tag detection system
08/26/2009EP2093860A1 Radio processing system, radio processing method, and radio electronic device
08/26/2009EP1727235B1 Wireless tag communication apparatus
08/26/2009CN201298861Y Interactive advertisement carrier device and mobile phone information downloading device
08/26/2009CN101517916A Radio frequency identification (RFID) system for item level inventory