| Patents for H04B 5 - Near-field transmission systems, e.g. inductive loop type (17,859) |
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| 08/11/1999 | CN1225549A Radio paging receiver and method for receiving non-normalized radio paging signal |
| 08/10/1999 | CA2095216C Receiver with automatic frequency control |
| 08/04/1999 | EP0932944A1 Data-transmission circuit with a station and a response circuit |
| 08/04/1999 | CN1044545C Selective call signaling system with combined wide area paging and high data rate transmissions via radio telephone transceivers |
| 07/29/1999 | WO1999038273A2 Vector measuring aerial arrays for magnetic induction communication systems |
| 07/29/1999 | WO1999038272A2 Short range magnetic inductive communication |
| 07/29/1999 | DE19802773A1 Measured value transmission system for rotating vehicle wheel for e.g. tire pressure monitoring |
| 07/27/1999 | US5929760 RFID conveyor antenna |
| 07/22/1999 | WO1999037039A2 A multi-frequency voltage regulating circuit incorporating a magnetic field sensor and programmable magnetic field detection |
| 07/22/1999 | WO1999036878A1 Improved method for collision management in a non-contact data exchange system |
| 07/22/1999 | WO1999036877A1 Improved method for collision management in a non-contact data exchange system |
| 07/22/1999 | WO1999036798A2 Rf identification process and apparatus |
| 07/21/1999 | EP0929948A1 Wireless energy and data transfer for a modular peripheral system |
| 07/21/1999 | EP0929947A2 Communications system |
| 07/21/1999 | CN1223532A Method for managing messages in radio paging receiver |
| 07/20/1999 | CA2246978A1 End-slotted flexible metal hose |
| 07/15/1999 | WO1999025070A3 Multi-frequency remote location, communication, command and control system and method |
| 07/15/1999 | DE19801124A1 system for transferring data between a moving object with a key module and a fixed object with a door module |
| 07/06/1999 | US5920801 Communications system and corresponding equipment for a subscriber installation |
| 07/06/1999 | US5920271 Radio pager for displaying text message in different fonts and method thereof |
| 06/30/1999 | EP0926855A1 Transponder for "half-duplex" communication |
| 06/30/1999 | EP0926022A1 Immobilizer system-mounting vehicle and member used for the immobilizer system |
| 06/30/1999 | EP0925665A2 Method of cryptological authentification in a scanning identification system |
| 06/30/1999 | EP0925551A1 Method for tuning an oscillating receiver circuit of a transponder built into a rfid system |
| 06/30/1999 | EP0925548A1 Data transfer method for a scanning identification system |
| 06/29/1999 | US5917429 For use with a patient operated medication package |
| 06/29/1999 | US5917412 For use in deactivating electronic article surveillance tags |
| 06/24/1999 | WO1999031684A1 Apparatus and method for delivering power to a contactless portable data source |
| 06/23/1999 | EP0924635A2 Electronic indentification system including a reader and a plurality of transponders |
| 06/23/1999 | EP0862524B1 Non-contacting device for the transmission of signals between vehicle parts which moves linearly with respect to each other |
| 06/22/1999 | US5914986 Receiving circuit |
| 06/22/1999 | US5914701 Wireless communication system |
| 06/17/1999 | WO1999030402A1 Supply of power to primary conductors |
| 06/17/1999 | WO1999029542A2 Transmitter unit for an anti-theft system in a motor vehicle |
| 06/17/1999 | DE19754649A1 Sendeeinheit, insbesondere für ein Diebstahlschutzsystem eines Kraftfahrzeugs Transmission unit, particularly for a theft protection system of a motor vehicle |
| 06/16/1999 | EP0923212A2 Bus coupler |
| 06/15/1999 | US5912925 Diversity circuit for magnetic communication system |
| 06/10/1999 | WO1999028992A1 Radiating cable |
| 06/10/1999 | DE19752149A1 Antenna arrangement for keyless operation of automobile |
| 06/09/1999 | EP0920746A2 Time-multiplexed short-range magnetic communications |
| 06/03/1999 | WO1999026462A2 System and method for electronic inventory |
| 06/02/1999 | EP0920141A2 A magnetic vector potential based communications system |
| 06/02/1999 | EP0919038A1 Contactless communication system by induction process between a terminal and different types of portable objects |
| 05/27/1999 | WO1998052172A3 Plug-and-socket connection for power and data transmission |
| 05/26/1999 | EP0917763A1 Selective call radio with contraposed touchpad |
| 05/25/1999 | US5907795 Battery saving radio paging signal transmitting and receiving system |
| 05/20/1999 | WO1999025070A2 Multi-frequency remote location, communication, command and control system and method |
| 05/19/1999 | EP0917109A2 Electronic toll collection system and method featuring antenna arrangement |
| 05/18/1999 | US5905372 In a terminal device |
| 05/07/1999 | CA2220480A1 Multi-frequency remote communications system |
| 05/06/1999 | WO1999022333A1 System for communication without contact by induction between a terminal and a portable object |
| 05/06/1999 | EP0913956A1 Leaky feeder radiocommunication system |
| 05/06/1999 | EP0913711A1 Identification element and method for its manufacture |
| 05/06/1999 | DE19753619A1 Identification tag with radio frequency identification transponder |
| 05/04/1999 | US5901360 Automatic adjustment delay technique for simulcast of paging system |
| 04/29/1999 | WO1999021332A1 Magnetically coupled signal isolator using a faraday shielded mr or gmr receiving element |
| 04/29/1999 | WO1999021144A1 Rfid conveyor antenna |
| 04/28/1999 | EP0910905A1 Device for transmitting and receiving digital data by electromagnetic induction and inductive coupling |
| 04/27/1999 | US5898579 Non-contact power distribution system |
| 04/21/1999 | EP0910034A2 Modulation method for the data transmission from a transponder to a writer/reader |
| 04/21/1999 | EP0671084A4 Selective call signaling system and method with combined wide area paging and high data rate transmissions via radio telephone transceivers. |
| 04/21/1999 | CN2315727Y 恋人感应器 Lovers Sensor |
| 04/15/1999 | DE19744751A1 Adaptive regulation of the range of an inductively coupled remote control system, e.g. a motor vehicle opening and starting system |
| 04/14/1999 | EP0908354A2 Wireless transmission device |
| 04/14/1999 | CN1214136A Data exchange system by contactless communication between terminal and remote powered portable objects |
| 04/14/1999 | CN1214135A Data exchange system by contactless communication between terminal and remote powered portable objects |
| 04/14/1999 | CN1213941A Method for selecting functions in radio paging receiver |
| 04/14/1999 | CN1213939A Method for displaying message in radio paging receiver |
| 04/14/1999 | CN1213938A Method for automatically changing service area of wide area pager in second generation digital cordless telephone |
| 04/13/1999 | CA2149880C Selective call signaling system and method with combined wide area paging and high data rate transmissions via radio telephone transceivers |
| 04/08/1999 | WO1999017401A1 Coaxial radiating cable |
| 04/07/1999 | EP0907260A2 Device for receiving and transmitting high frequency signals |
| 04/07/1999 | EP0906604A1 Antena multiplexer with isolation of switching elements |
| 04/06/1999 | US5892457 Audio paging apparatus and method for cordless paging receiver |
| 04/06/1999 | US5892411 Data transmission device |
| 04/06/1999 | US5892300 System for contactless power and data transmission |
| 04/06/1999 | CA1340489C Actuator and communication systems |
| 04/01/1999 | WO1999016287A1 Method or wireless transmission of audio signals, audio equipment and audio playback device |
| 04/01/1999 | WO1999016015A2 Contactless proximity automated data collection system and method |
| 04/01/1999 | WO1998053343A9 Tagging system using motion detector |
| 04/01/1999 | DE19741595A1 Verfahren zur drahtlosen Übertragung von Audiosignalen, Audiogerät und Tonwiedergabevorrichtung Method for wireless transmission of audio signals, audio and sound reproducing device |
| 03/31/1999 | EP0904638A1 System and method for providing useful information for a moving object |
| 03/30/1999 | US5889273 Wireless communication data storing medium for receiving a plurality of carriers of proximate frequencies and a transmission/receiving method |
| 03/30/1999 | CA2128596C Arrangement for simultaneously interrogating a plurality of portable radio frequency communication devices |
| 03/24/1999 | EP0903689A1 Demodulator for contactless chip card |
| 03/24/1999 | EP0903688A1 Detector of radio frequency signals for contactless IC card |
| 03/24/1999 | EP0903456A1 Receiver for an automotive remote keyless entry system |
| 03/24/1999 | CN2311805Y Vibrating and calling sound generator for mobile phone/wireless pager |
| 03/18/1999 | DE19740732A1 Signal and energy transmission apparatus for electrical apparatus mounted to vehicle seat |
| 03/17/1999 | EP0901670A1 Data exchange system by contactless communication between a terminal and remote powered portable objects |
| 03/10/1999 | EP0706732A4 Short range inductively coupled communication system employing time variant modulation |
| 03/10/1999 | CN1210432A Apparatus and method for generating alert in radio paging receiver |
| 03/04/1999 | WO1998053343A3 Tagging system using motion detector |
| 03/03/1999 | EP0898762A1 Data exchanging system with communication with or without contact between a terminal and portable objects |
| 03/03/1999 | EP0847341B1 Audio device for vehicles, especially motor vehicles |
| 02/24/1999 | EP0557297B1 Method and apparatus for modulating and detecting a subcarrier signal for an inductively coupled transponder |
| 02/24/1999 | CN1209025A Network of providing high-speed paging service and method for controlling the same |
| 02/23/1999 | US5874829 Supply voltage processing circuit and a data carrier with a supply voltage processing unit |
| 02/23/1999 | US5874724 Light selectable radio frequency identification tag and method therefor |
| 02/10/1999 | CN1207611A Clock input circuit |