Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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)
10/2000
10/19/2000WO2000043805A3 System for radio frequency identification
10/19/2000WO2000043803A3 Method of detecting a radio frequency identification device
10/18/2000EP1045526A1 Method of identifying overlapping tags
10/18/2000EP1045336A1 Close-coupled method of operation of an electromagnetic transpondersystem
10/18/2000CN1270685A Contactless proximity automated data collection system and method
10/17/2000US6134420 Vector measuring aerial arrays for magnetic induction communication systems
10/12/2000WO2000060525A1 Desk comprising an integrated reading device
10/11/2000EP1043843A1 Portable signal receiver with several antennas
10/11/2000EP1043678A1 Duplex transmission in an electromagnetic transponder system
10/11/2000EP1043677A1 Reader for electromagnetic transponders which functions with very short distance coupling
10/10/2000US6130623 Encryption for modulated backscatter systems
10/05/2000WO2000059128A1 Circuit for transmitting/receiving data by inductive coupling
10/05/2000WO2000058752A1 Radio frequency identification tag device with sensor input
10/03/2000US6127989 Monolithic integrated circuit and antenna coil structure comprising a peripheral protective ring
10/03/2000US6126077 Data processing apparatus and method and data transmitting/receiving apparatus and method
09/2000
09/27/2000EP1038257A1 System for the transmission of data from a data carrier to a station by means of at least one other auxiliary carrier signal
09/27/2000EP0748491B1 Electronic identification system
09/26/2000US6125263 Radio paging receiver and method for receiving non-standard radio paging signal
09/21/2000WO2000055806A1 Surface acoustic wave converter and identification system using the same
09/21/2000WO2000041039A3 Transponder communication station provided with a transmission coil configuration with two transmission coils
09/21/2000DE19911369A1 Oberflächen-Wellen-Wandler-Einrichtung sowie Identifikationssystem hiermit Surface acoustic wave device and system identification hereby
09/21/2000DE19911033A1 Device for retrieving or transferring data with groups of objects is fitted with items equipped with an electronic data carrier and a movable aerial or arrangement of multiple aerials in line or array.
09/21/2000DE19910875A1 System zur berührungslosen, seriellen Übertragung von Daten aus insbesondere schnell bewegten, mobilen Datenträgern, und bevorzugte Verwendungen des Systems System for contactless, serial transmission of data from particular fast moving, mobile media, and preferred uses of the system
09/19/2000CA2176984C Capacitive interface for coupling between a music chip and audio player
09/14/2000WO2000054210A1 System for contactless serial transmission of data from rapid moving mobile data carriers and preferred uses of said system
09/13/2000EP1035512A2 Vehicle-mounted device with sleep function for use in road-to-vehicle communication system
09/13/2000EP1035418A1 Encapsulated antenna in passive transponders
09/13/2000EP0795165B1 Non-contacting type radio frequency recognizing credit card system
09/12/2000US6118882 Communication method
09/12/2000US6118320 Clock input circuit
09/12/2000US6118070 Insulated conductor pair and a guide cable using the same
09/05/2000US6115592 Filter device and dual-band radio system in which the filter device is used
09/05/2000US6115587 Radio signal power control method according to variation of frequency and temperature in paging transmitter
08/2000
08/30/2000EP1031120A2 System and method for electronic inventory
08/30/2000EP1031107A1 Method for evaluating an input data signal and circuit system for carrying out said method
08/30/2000EP0806099B1 Communication method
08/17/2000WO2000048019A1 Encapsulated antenna in passive transponders
08/15/2000US6104913 Personal area network for personal telephone services
08/09/2000EP1026627A1 Contactless data communication system and method
08/09/2000EP1025681A1 Magnetically coupled signal isolator using a faraday shielded mr or gmr receiving element
08/09/2000EP1025620A1 Coaxial radiating cable
08/09/2000EP1025553A1 Rfid conveyor antenna
08/09/2000EP1025531A1 System for communication without contact by induction between a terminal and a portable object
08/09/2000CN1262760A Radio frequency identification tag system using tags arranged for coupling to ground
08/08/2000US6101384 Method for automatically changing service area of wide area pager in second generation digital cordless telephone
08/03/2000WO2000045330A1 Contactless data transmission system and method for contactlessly transmitting data
08/02/2000EP1023691A2 Contactless proximity automated data collection system and method
08/01/2000US6097292 Contactless proximity automated data collection system and method
08/01/2000US6095415 Ignition switch key cylinder
07/2000
07/27/2000WO2000044091A2 Antenna system for radio frequency identification
07/27/2000WO2000044064A1 Carrier with antenna for radio frequency identification
07/27/2000WO2000043944A2 Method of interrogating a radio frequency identification device
07/27/2000WO2000043805A2 System for radio frequency identification
07/27/2000WO2000043804A2 Radio frequency identification device
07/27/2000WO2000043803A2 Method of detecting a radio frequency identification device
07/27/2000CA2296976A1 Coil device
07/26/2000EP0906604A4 Antena multiplexer with isolation of switching elements
07/26/2000CN1261453A Deactivation device with blplanar deactivation
07/26/2000CN1261225A Near range communication vehicle carrier
07/20/2000WO2000042585A1 Auto-tuning scanning proximity reader
07/20/2000WO2000042450A1 An article identification tag, and a method for the detection thereof
07/18/2000US6091779 Process for the wireless transmitting of energy and data
07/18/2000US6089512 Track-guided transport system with power and data transmission
07/13/2000WO2000041334A1 Wireless electrostatic charging and communicating system
07/13/2000WO2000041333A1 Active electrostatic transceiver and communicating system
07/13/2000WO2000041125A1 Transponder communication station provided with a transmission coil configuration with three transmission coils
07/13/2000WO2000041039A2 Transponder communication station provided with a transmission coil configuration with two transmission coils
07/11/2000US6088580 Battery operated, portable transmitter having coil surrounding tubular, ferromagnetic housing
07/11/2000CA2105781C Contactless communication system
07/05/2000EP1016316A1 Method or wireless transmission of audio signals, audio equipment and audio playback device
07/05/2000EP1016165A1 Radiating cable
07/04/2000US6084529 Device and method of processing a radio paging message in a portable terminal
06/2000
06/29/2000WO2000038107A1 A high gain input stage for a radio frequency identification (rfid) transponder and method therefor
06/28/2000EP1014596A1 Low frequency communication device using magnetic coupling
06/28/2000EP1014479A1 Antenna arrangement for the keyless use of a vehicle
06/28/2000EP1014300A1 Capacitive modulation in a electromagnetic transponder
06/28/2000EP1013517A2 System and method for the transmission of data in a security device for a vehicle
06/28/2000EP1012998A2 Data communication apparatus
06/28/2000EP1012899A1 Device for contactless transmission of electrical signals and/or energy
06/28/2000CN2385477Y All-digitizing high voltage transmission line digital carrier device
06/27/2000US6081728 Strip-type radiating cable for a radio communication system
06/27/2000US6079622 Non-contact information storage medium and data transmission method for the medium
06/15/2000WO2000035114A1 Contactless electronic communication device with optional auxiliary power source
06/15/2000WO2000034605A1 A radio frequency identification (rfid) security device
06/14/2000CN1256819A Antenna-gain diversity
06/14/2000CN1256559A Antenna device and card storage medium
06/14/2000CN1256546A Power supply device and portable electronic machine worked by using the same thereof
06/07/2000CN1255994A Enhanced identification system
06/07/2000CN1255993A Improved method for collision management in non-contact data exchange system
06/06/2000US6073019 Radio telephone call handover
06/06/2000US6072383 RFID tag having parallel resonant circuit for magnetically decoupling tag from its environment
06/02/2000WO2000031891A1 A method for use in a teleloop system, a teleloop system and an amplifier for a teleloop system
06/02/2000WO2000031676A1 Games apparatus
06/02/2000CA2392690A1 Games apparatus
05/2000
05/31/2000CN1053071C Trainline system using electromagnetic communication link
05/30/2000US6070054 Communication system and method using two-way paging to provide call control
05/24/2000EP1003092A1 Installation for remote control of price displays in a shop
05/23/2000CA2190672C Communication system and method using two-way paging to provide call control
05/18/2000WO2000028676A1 Method of identifying overlapping tags
05/18/2000WO2000028674A1 Identification method for overlapped tags
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