| Patents for H04B 5 - Near-field transmission systems, e.g. inductive loop type (17,859) |
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| 05/18/2000 | DE19920873A1 Safety circuit for equipment moving linearly, includes controller providing signal as function of switching state, with voltage-increasing circuit coupled to conductive loop to supply control unit |
| 05/17/2000 | EP0910905B1 Device for transmitting and receiving digital data by electromagnetic induction and inductive coupling |
| 05/16/2000 | US6064702 Four-stage phase demodulation low frequency wireless mouse device |
| 05/11/2000 | WO2000027137A1 Rfid tag having parallel resonant circuit for magnetically decoupling tag from its environment |
| 05/11/2000 | WO2000026989A1 System for detecting and optionally communicating with transponders such as antitheft transponders and identification transponders |
| 05/10/2000 | EP0999517A1 Rechargable active transponder |
| 05/10/2000 | CN2377771Y 多功能交通安全预警器 Multifunction traffic safety warning device |
| 05/10/2000 | CN1252878A Data carrier for contactless reception of data and energy and method for operating the same |
| 05/09/2000 | US6061030 Aerial arrays for magnetic induction communication systems having limited power supplies |
| 05/04/2000 | WO2000025253A1 Contactless integrated circuit with reduced power consumption |
| 04/27/2000 | WO2000024078A1 Portable power-supply unit and portable electronic appliance in which the power-supply unit is incorporated |
| 04/27/2000 | DE19847135A1 Verfahren zum Lesen der in einem Transponder gespeicherten Daten und Transpondersystem zur Durchführung des Verfahrens A method for reading the stored data in a transponder and transponder system for performing the method |
| 04/26/2000 | EP0995166A1 System for encoded rf and encoded magnetic field communication and method therefor |
| 04/25/2000 | US6054934 Call reception control method in wide area radio pager capable |
| 04/25/2000 | US6054933 Pager with handwritten input transmitted as audible DTMF tones |
| 04/25/2000 | US6054780 Magnetically coupled signal isolator using a Faraday shielded MR or GMR receiving element |
| 04/20/2000 | DE19842738A1 Rail- based transfer system for manufacture/assembly uses contactless inductive energy transfer between track-side energy transmitter to energy receiver on carrier with storage device |
| 04/19/2000 | EP0994364A1 Procedure for reading the data stored in a transponder and a transponder system for the execution of the procedure |
| 04/19/2000 | EP0993652A1 Data carrier having rectifier means and having improved voltage limiting means |
| 04/18/2000 | US6052055 Portable electronic object for remote information exchange |
| 04/18/2000 | CA2185626C Radio frequency identification transponder apparatus and method |
| 04/13/2000 | CA2345745A1 Card for interaction with a computer |
| 04/13/2000 | CA2345736A1 A method to use acoustic signals for computer communications |
| 04/12/2000 | EP0991992A2 Passive data carrier having means for reducing the power consumption |
| 04/11/2000 | US6049292 Method for the transmission of information and base station for receiving of information |
| 04/11/2000 | US6047579 RF tag attached to die assembly for use in press machine |
| 04/11/2000 | CA2008552C Information separation device |
| 04/05/2000 | CN1249634A Method and apparatus for transmitting message to pager using subscriber telephone number |
| 04/04/2000 | US6046623 Signal detecting circuit |
| 03/29/2000 | EP0989762A1 Method and apparatus for sending a message to a pager using a subscriber telephone number |
| 03/29/2000 | EP0857377A4 Embedded data link and protocol |
| 03/29/2000 | CN1248829A Synchronous paging signal transmission system, transmission method and recording medium thereof |
| 03/23/2000 | WO2000016570A1 Electrostatic radio frequency identification system having contactless programmability |
| 03/23/2000 | WO2000015931A1 Electronic communications system |
| 03/23/2000 | WO2000005696A3 Passive access system for vehicles |
| 03/23/2000 | DE19935146A1 Kontaktloses Kommunikationssystem Contactless communication system |
| 03/23/2000 | CA2343365A1 Electrostatic radio frequency identification system having contactless programmability |
| 03/23/2000 | CA2279101A1 Method and apparatus for sending a message to a pager using a subscriber telephone number |
| 03/22/2000 | EP0987647A2 Storage device and method, information processing apparatus and method, and provision medium therefor |
| 03/22/2000 | EP0986798A1 Deactivation device with biplanar deactivation |
| 03/21/2000 | US6041113 Interface method performed by modem between base station and control station |
| 03/15/2000 | EP0986037A1 Theft preventive tag and method for attaching the same |
| 03/15/2000 | EP0985282A2 Antenna-gain diversity |
| 03/15/2000 | EP0985278A2 Multi-frequency voltage regulating circuit incorporating a magnetic field power sensor and programmable magnetic field detection |
| 03/15/2000 | EP0823059B1 Interrogator for electronic identification system |
| 03/15/2000 | CN1247630A Power supply unit and method with non-contact portable data source |
| 03/09/2000 | WO2000013429A2 Radio paging system and pager terminal using a plurality of subscriber numbers |
| 03/09/2000 | WO2000013139A1 Noncontact ic medium and system using the same |
| 03/08/2000 | EP0983639A1 Contactless communication system using an induction method between a terminal and portable objects, comprising terminal functional testing means |
| 03/08/2000 | EP0983578A1 Radio frequency identification tag system using tags arranged for coupling to ground |
| 03/08/2000 | EP0983569A1 Enhanced identification system |
| 03/08/2000 | EP0983524A2 Tagging system using motion detector |
| 02/29/2000 | US6032127 Intelligent shopping cart |
| 02/29/2000 | US6031419 Demodulator for contactless chip card |
| 02/29/2000 | US6029871 Cradle device having rotating hinge in pager |
| 02/24/2000 | WO2000009289A1 Apparatus for detecting operation of machine tool |
| 02/23/2000 | EP0980603A2 Plug-and-socket connection |
| 02/23/2000 | CN1245369A Wireless paging signals transmission technique and application system |
| 02/16/2000 | EP0980007A1 Transmitter battery life indication apparatus and method |
| 02/16/2000 | EP0891597B1 Portable electronic object for remote information exchange |
| 02/10/2000 | DE19832911A1 Vorrichtung zur Signalübertragung in einem Fahrzeug An apparatus for signal transmission in a vehicle |
| 02/10/2000 | DE19832628A1 Long range transponder arrangement e.g. for vehicle identification, using HF pump circuit to transfer operating power from vehicle supply when in transmit mode |
| 02/08/2000 | US6021951 Wireless IC card and IC card reader communication system |
| 02/03/2000 | WO2000005824A2 Device for transmitting signals in a vehicle |
| 02/03/2000 | WO2000005696A2 Passive access system for vehicles |
| 02/03/2000 | WO2000005692A1 Rfid system for detecting low power resonant tags |
| 02/03/2000 | WO2000005673A1 System for the transmission of data from a data carrier to a station by means of at least one other auxiliary carrier signal |
| 02/03/2000 | CA2624853A1 Rfid system for detecting low power resonant tags |
| 02/02/2000 | EP0977448A2 Synchronous multi-site paging system |
| 02/02/2000 | EP0977398A1 Data communication equipment, data communication system, and data communication method |
| 02/02/2000 | EP0976084A1 Improved method for collision management in a non-contact data exchange system |
| 02/02/2000 | CN1243622A Device for contactless information and energy transmission |
| 02/02/2000 | CN1243608A Device for contactless transmission of electrical signals and/or energy |
| 01/19/2000 | EP0973117A2 System for short range wireless data communication to inexpensive endpoints |
| 01/19/2000 | EP0972358A1 Installation for electronic data display |
| 01/19/2000 | CN1242091A Method for communicating with a plurality of contactless data carriers and contactless data carrier for use therein |
| 01/19/2000 | CN1241851A Vibration generator for small-size wireless (radio) device |
| 01/18/2000 | US6016129 Antenna system, in particular an antenna system for traffic communicating systems |
| 01/18/2000 | US6016109 Mobile unit support system |
| 01/13/2000 | DE19830616A1 System for adjusting natural resonance of coil |
| 01/13/2000 | DE19827691C1 Verfahren zur Kommunikation zwischen berührungslos arbeitenden Datenträgern und Endgeräten Method of communication between contactless data carriers and terminals |
| 01/12/2000 | EP0814994B1 Track-guided transport system with power and data transmission |
| 01/06/2000 | WO2000001013A1 Integrated electronic micromodule and method for making same |
| 01/06/2000 | WO1999057676A8 System for encoded rf and encoded magnetic field communication and method therefor |
| 01/05/2000 | EP0969438A2 Reproducing device |
| 01/05/2000 | EP0968506A1 Apparatus and method for delivering power to a contactless portable data source |
| 01/05/2000 | CN1240386A Semiconductor device and method for manufacturing the same |
| 01/05/2000 | CN1240305A Pocket portable radio terminal unit |
| 01/04/2000 | US6011962 Circuit for testing the function of mobile receiving installations |
| 12/29/1999 | WO1999067736A1 Method for evaluating an input data signal and circuit system for carrying out said method |
| 12/29/1999 | WO1999067734A1 Method for the communication between non-contact data carriers and terminals |
| 12/29/1999 | EP0967682A2 Leaky cable feeding system |
| 12/29/1999 | EP0967568A2 Identification element |
| 12/29/1999 | EP0967562A2 Communication method of contactless ID card and integrated circuit used therein |
| 12/29/1999 | EP0966721A1 Improved method for collision management in a non-contact data exchange system |
| 12/29/1999 | CN1239847A Radio-frequency switch with frequency detuned circuit and aerial |
| 12/29/1999 | CA2335527A1 Method for the communication between contactless-type data carriers and terminals |
| 12/28/1999 | US6009311 Method and apparatus for reducing audio interference from cellular telephone transmissions |
| 12/28/1999 | US6008547 Arrangement for contactless transmission of signals between vehicle parts movable linearly with respect to one another |
| 12/22/1999 | EP0966112A1 Method and system for inductive coupling detection of a charge modulation signal |