H04B 5 - Near-field transmission systems, e.g. inductive loop type

Patents for H04B 5 - Near-field transmission systems, e.g. inductive loop type (17,859)
12/2002
12/11/2002	CN1096160C Linear coverage area antenna system for CDMA communication system
12/05/2002	WO2002075938A3 Techniques for inductive communication systems
12/05/2002	US20020183003 Wireless IC interconnection method and system
12/05/2002	US20020182912 Data carrier comprising an integrated circuit with an integrated main capacitor and integrated additional capacitors
12/04/2002	EP1261933A1 System for wireless, bi-directional transfer of electric signals
12/04/2002	CN1383525A Frequency sensor for each interface of data carrier
12/04/2002	CN1383524A Data carrier having means for changing resonant frequency of its resonant circuit
12/04/2002	CN1383278A System and method for implementing monitor function by blue tooth technique
12/04/2002	CN1383270A Method and device for changing characte attribute of electronic file
12/03/2002	US6488212 System for identifying and locating relative positions of objects
11/2002
11/28/2002	WO2002095226A1 Single-step or multi-step piston compressor
11/28/2002	US20020177409 Communication device with a coil configuration for the communication with stationary data carriers
11/27/2002	EP1259710A1 Oilwell casing electrical power pick-off points
11/27/2002	EP1259708A2 Wireless power and communications cross-bar switch
11/27/2002	EP1259707A1 Wireless downhole well interval inflow and injection control
11/27/2002	EP1259706A2 Use of downhole high pressure gas in a gas-lift well
11/27/2002	EP1259705A1 Electro-hydraulically pressurized downhole valve actuator
11/27/2002	EP1259702A1 Power generation using batteries with reconfigurable discharge
11/27/2002	EP1259701A1 Controlled downhole chemical injection
11/27/2002	EP1259700A1 Tracer injection in a production well
11/27/2002	CN1095292C Wide-zone beeping business treatment method for wireless beeping system
11/26/2002	US6487100 Semiconductor integrated circuit device and contactless electronic device
11/21/2002	US20020171549 Reflection multiplier radio wave marker, marker sensor, marker system and traffic system
11/20/2002	EP1258850A2 Reflection multiplier radio wave marker system and traffic system
11/20/2002	EP1099204B1 Access system for vehicles
11/19/2002	US6483818 Simultaneous paging signal sending system, sending method used therefor, and recording medium on which control program therefor is recorded
11/14/2002	WO2002091616A2 Electromagnetically coupled interconnect system architecture
11/14/2002	WO2002091615A1 Communication device with a coil configuration for the communication with stationary data carriers
11/14/2002	WO2002091614A1 Wireless induction system
11/14/2002	WO2002091603A1 A wireless hand-free unit and the method of communication via the hand-free unit
11/14/2002	WO2002091290A1 Communication between a transponder and an interrogator
11/14/2002	WO2002091284A1 Transponder system with a communication station comprising station identification signal generating means
11/14/2002	US20020168940 Predictive fair polling mechanism in a wireless access scheme
11/14/2002	US20020167405 Radio frequency identification architecture
11/14/2002	CA2445908A1 Communication between a transponder and an interrogator
11/13/2002	EP1256093A2 An identification device for providing information regarding a container
11/13/2002	CN1379566A Conflictless access method suitable for shared medium group net and its apparatus
11/13/2002	CN1379343A Entrance guard method and system using blue tooth technique in wireless authentication and data transmitting/receiving
11/13/2002	CN1094149C 焦炉炉号自动识别装置 Coke oven No. automatic identification devices
11/12/2002	US6480101 Contactless proximity automated data collection system and method
11/12/2002	US6480099 Modulation method for data transmission from a transponder to a read-write device
11/12/2002	US6478584 Electrical signal coupling device
11/07/2002	WO2002089391A1 Masterless slave/master role switch in a bluetooth piconet
11/07/2002	WO2002089354A1 Device for signal transmission between two contact-free relatively moving objects
11/07/2002	WO2002089053A1 Data carrier comprising an integrated circuit with an integrated main capacitor and integrated additional capacitors
11/07/2002	US20020163424 Transponder system with a communication station comprising station identification signal generating means
11/06/2002	CN1378346A Portable information equipment, control method for portable information equipment, record medium and control program
11/06/2002	CN1093998C Method for controlling radio signal power according to variation of frequency and temp. in paging signal-emission machine
11/05/2002	US6476719 Ultra-sensitive magnetic field receiver capable of operating in high noise environments
11/05/2002	US6476520 Plug connection
11/05/2002	US6474341 Surgical communication and power system
10/2002
10/31/2002	WO2002086969A2 Non-optical signal isolator
10/31/2002	US20020160769 Apparatus, and associated method, for reporting a measurement summary in a radio communication system
10/31/2002	US20020160722 Wireless communication over a transducer device
10/31/2002	US20020159401 Masterless slave / master role switch in a bluetooth piconet
10/31/2002	US20020158760 Short range wireless communication using on-board apparatus
10/30/2002	EP1252717A2 System for transmitting electric signals between moving parts with a reduced number of paths
10/30/2002	EP1252416A1 Choke inductor for wireless communication and control in a well
10/24/2002	WO2002084584A1 System and method for controlling remote devices
10/23/2002	EP1251457A2 Portable information unit and a control method for the portable information unit together with a recording medium and a control program
10/23/2002	EP1250514A1 Downhole wireless two-way telemetry system
10/23/2002	EP1250513A1 System and method for fluid flow optimization in a gas-lift oil well
10/23/2002	EP0964803B1 Transmitter unit for an anti-theft system in a motor vehicle
10/23/2002	EP0954756B1 Radioelectric transponder equipped with frequency detuning antenna and circuit
10/23/2002	CN1093355C Method for interfacing local station with control station by modem
10/17/2002	WO2002082739A1 Master communication apparatus used in radio lan system, and control method and control program of master communication apparatus
10/17/2002	WO2002082736A1 Slave communication apparatus used in radio lan system, control method of slave communication apparatus, and control program
10/17/2002	WO2002082732A1 Radio lan system and radio lan system controlling method and control program
10/17/2002	WO2002082634A2 Demodulator for amplitude shift key (ask)-modulated signals
10/17/2002	US20020152044 Method, system, and apparatus for remote timing calibration of a RFID tag population
10/17/2002	US20020150156 Control system methods and apparatus for inductive communication across an isolation barrier
10/17/2002	US20020149483 Method, System, and apparatus for communicating with a RFID tag population
10/17/2002	US20020149482 Identification tag utilizing charge pumps for voltage supply generation and data recovery
10/17/2002	US20020149481 Method, system, and apparatus for binary traversal of a tag population
10/17/2002	US20020149480 Method, system, and apparatus for remote data calibration of a RFID tag population
10/17/2002	US20020149468 System and method for controlling remote devices
10/17/2002	US20020149416 Efficient charge pump apparatus
10/16/2002	EP1250026A1 Short range data transfer for communication devices
10/15/2002	US6466771 Wireless communication system, radio frequency communications system, wireless communications method, radio frequency communications method, and backscatter radio frequency communications system
10/10/2002	US20020145505 Gate entry system using short range radio communications with user terminal devices
10/09/2002	EP1247346A1 Processing device for the contactless communication with a data carrier which is detachably connected to the processing device
10/08/2002	US6462647 Rechargeable active transponder
10/03/2002	US20020142716 Exciter system and excitation methods for communications within and very near to vehicles
10/03/2002	US20020140419 Short-distance positioning system
10/02/2002	EP1245086A1 Transmitter and receiver coil
10/02/2002	CN1372675A Data carrier having means for synchronization with received stream
10/01/2002	US6459882 Inductive communication system and method
10/01/2002	CA2267437C System for short range wireless data communication to inexpensive endpoints
09/2002
09/26/2002	WO2002075939A2 Wireless communication over a transducer device
09/26/2002	WO2002075938A2 Techniques for inductive communication systems
09/26/2002	WO2002075684A1 Rfid tracking method and system
09/26/2002	US20020135479 Ultra-sensitive magnetic field receiver capable of operating in high noise environments
09/26/2002	US20020135236 Non-optical signal isolator
09/26/2002	CA2452282A1 Rfid tracking method and system
09/25/2002	EP1171843B1 Desk comprising an integrated reading device
09/25/2002	EP0870369A4 Enhanced concert audio process utilizing a synchronized headgear system
09/24/2002	US6456668 QPSK modulated backscatter system
09/24/2002	US6456228 Encapsulated antenna in passive transponders
09/19/2002	WO2002073511A1 Method of communicating between a communication station and at least one data carrier
09/19/2002	US20020132585 Techniques for inductive communication systems

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