| Patents for H04J 1 - Frequency-division multiplex systems (15,293) |
|---|
| 08/06/1997 | EP0787384A1 De/multiplexer of frequency bands |
| 07/30/1997 | CN1155966A Interconnected passive optical networks |
| 07/23/1997 | EP0785675A2 Digital signal receiver |
| 07/17/1997 | CA2195161A1 Digital signal receiver |
| 07/16/1997 | EP0783812A2 Method and apparatus for transmultiplexer a multi-channel information signal |
| 07/16/1997 | EP0783804A1 Multiple band radio |
| 07/15/1997 | US5649297 Transmitting digital data using multiple subcarriers |
| 07/15/1997 | US5648985 Universal radio architecture for low-tier personal communication system |
| 07/08/1997 | US5646940 System for simultaneous analog and digital communications over an analog channel |
| 07/08/1997 | CA2095316C Reduction of interchannel harmonic distortions in an analog and digital signal multiplex |
| 07/02/1997 | EP0782289A1 Wavelength multiplexing optical transmission device |
| 06/26/1997 | WO1997023070A1 Method and apparatus for integrating video, voice and computer data traffic in a single, conferencing system using existing telephone and catv connections |
| 06/25/1997 | EP0781006A2 Ring network with wavelength division multiplexing |
| 06/25/1997 | CN1152981A Wideband FFT channelizer |
| 06/19/1997 | WO1997022189A1 Satellite direct radio broadcast system |
| 06/18/1997 | CN1152382A Method and system for management of frequency spectrum among multiple applciations on shared medium |
| 06/17/1997 | US5640385 Method and apparatus for simultaneous wideband and narrowband wireless communication |
| 06/11/1997 | EP0425606B1 Mixed modulation level communication system |
| 06/10/1997 | US5638401 Method and apparatus for generating plural quadrature modulated carriers |
| 06/05/1997 | DE19649683A1 High frequency component for mobile phone |
| 05/29/1997 | WO1997019532A1 Method for avoiding interference in a cable telephony system |
| 05/28/1997 | EP0775409A2 Nonlinear digital communications system |
| 05/27/1997 | US5633815 Formatter |
| 05/27/1997 | US5633741 Multichannel optical fiber communications |
| 05/21/1997 | EP0774181A1 Wideband fft channelizer |
| 05/20/1997 | US5631898 For transmitting signals to a remote unit |
| 05/15/1997 | WO1997015121A3 Method of terrestrially transmitting digital signals |
| 05/15/1997 | WO1997011539A3 Method for the common transmission of digital and analogue modulated radio broadcasting and/ or television broadcasting signals |
| 05/13/1997 | US5629957 Method and apparatus for simultaneously displaying distribution patterns of equalized output signals from multiple channels |
| 05/09/1997 | WO1997006618A3 Method and apparatus for transmultiplexer a multi-channel information signal |
| 05/07/1997 | EP0771496A1 Frame synchronization in multicarrier transmission systems |
| 05/07/1997 | CN1149364A Parameter sampling apparatus |
| 05/06/1997 | US5627863 Frame synchronization in multicarrier transmission systems |
| 04/29/1997 | US5625871 Cellular communications system with multicarrier signal processing |
| 04/29/1997 | US5625650 For detecting subcarriers of an input signal |
| 04/29/1997 | US5625643 Modulator and demodulator apparatus |
| 04/24/1997 | WO1997015121A2 Method of terrestrially transmitting digital signals |
| 04/24/1997 | DE19616829C1 Radio transfer system for digital signals between several subscriber terminals and base station |
| 04/23/1997 | EP0769226A1 Method and system for management of frequency spectrum among multiple applications on a shared medium |
| 04/22/1997 | US5623422 Method for prioritizing channels in a communication system |
| 04/17/1997 | DE19538302A1 Verfahren zur terrestrichen Übertragung digitaler Signale Method for transmitting digital signals terre painted |
| 04/16/1997 | EP0768752A1 Low distortion power sharing amplifier network |
| 04/10/1997 | WO1997013350A1 Multicarrier modulation |
| 04/09/1997 | EP0766889A2 An optical receiver, a tuner, and an optical network |
| 04/08/1997 | US5619503 Cellular/satellite communications system with improved frequency re-use |
| 04/02/1997 | EP0766419A2 Dynamically reconfigurable frequency division multiplexer and modulator |
| 04/02/1997 | EP0766409A2 Multiband downconverter for digital receivers |
| 04/01/1997 | US5617344 Digital filter |
| 03/27/1997 | WO1997011539A2 Method for the common transmission of digital and analogue modulated radio broadcasting and/ or television broadcasting signals |
| 03/26/1997 | EP0765059A2 Method for transmitting an orthogonal frequency division multiplex (OFDM) signal and transmitter/receiver therefor |
| 03/26/1997 | EP0765055A2 High-speed data communications network system and method |
| 03/26/1997 | CN1146105A Communication system with repeatedly allocated channel ID numbers |
| 03/19/1997 | EP0763291A1 Frequency agile broadband communications system |
| 03/18/1997 | US5613210 Telecommunication network for transmitting information to a plurality of stations over a single channel |
| 03/13/1997 | WO1997009838A1 Method and apparatus for frequency planning in a multi-system cellular communications network |
| 03/12/1997 | EP0762773A2 Hierarchial video encoder and decoder |
| 03/12/1997 | EP0762766A2 Network apparatus and method for providing two-way broadband communications |
| 03/12/1997 | EP0762661A2 Channelized multi-carrier signal processor |
| 03/12/1997 | EP0762579A1 Multi-frequency optical signal source having reduced distortion and crosstalk |
| 03/12/1997 | EP0761042A1 Method and apparatus for mitigating interference in a communication system |
| 03/11/1997 | US5610946 Radio communication apparatus |
| 03/11/1997 | US5610908 Digital signal transmission system using frequency division multiplex |
| 03/04/1997 | US5608727 Method and system for management of frequency spectrum among multiple applications on a shared medium |
| 03/04/1997 | US5608724 Electronic circuit |
| 02/27/1997 | WO1997007606A1 Dynamic allocation of bandwidth for transmission of audio signals and a video signal |
| 02/26/1997 | CN2248428Y Analog carrier communication machine using shared path with external signalling |
| 02/25/1997 | US5606575 FFT-based channelizer and combiner employing residue-adder-implemented phase advance |
| 02/20/1997 | WO1997006618A2 Method and apparatus for transmultiplexer a multi-channel information signal |
| 02/20/1997 | CA2201376A1 Method and apparatus for transmultiplexing a multi-channel information signal |
| 02/18/1997 | US5604768 Frequency synchronized bidirectional radio system |
| 02/18/1997 | US5604747 Modular contiguous output multiplexer |
| 02/18/1997 | US5604746 Digital data receiver |
| 02/11/1997 | US5603110 Process and arrangement for compensating adjacent-channel interference in a double-sideband amplitude modulation system |
| 02/11/1997 | US5602847 Segregated spectrum RF downconverter for digitization systems |
| 02/11/1997 | US5602663 Information processing apparatus for multiplex transmission of signal for arbitration and signal for data transfer |
| 02/06/1997 | WO1997004572A1 Pulse shaping for multicarrier modulation |
| 02/05/1997 | CN1142152A Programmable concentrator carrier telephone system |
| 01/29/1997 | EP0756432A2 Arrangement for selecting radio channel for direct-mode transmission system between mobiles |
| 01/29/1997 | EP0756393A1 Method and means for transmission of multimedia services on a broadband private network |
| 01/28/1997 | CA2182223A1 Channel selection device for a multiple access direct transmission system used by mobile stations |
| 01/23/1997 | WO1997002673A1 Group modulator for a broadband communications system |
| 01/22/1997 | CN1141104A Method and apparatus for simultaneous wideband and narrowband wireless communication |
| 01/22/1997 | CN1141102A Method and apparatus for mitigating interference in a communication system |
| 01/22/1997 | CN1140954A Wired television system and wired television central apparatus and terminal apparatus |
| 01/22/1997 | CN1140940A Transmitter/receiver apparatus |
| 01/14/1997 | US5594941 A cellular/satellite communications system with generation of a plurality of sets of intersecting antenna beams |
| 01/14/1997 | US5594726 Frequency agile broadband communications system |
| 01/08/1997 | CN1140000A Data transmission method, transmitter and receiver |
| 01/03/1997 | WO1996034459A3 An optical receiver, a tuner, and an optical network |
| 01/02/1997 | EP0751654A2 Frame synchronisation, particularly for MCM |
| 12/27/1996 | EP0750424A2 A CATV communication system and a CATV center equipment and CATV terminal units |
| 12/25/1996 | CN1138926A Device and method for multiplexing signal |
| 12/24/1996 | US5587939 Half-band filter for a cellular group demultiplexer |
| 12/19/1996 | WO1996041452A1 Reverse path allocation and contention resolution scheme for a broadband communications system |
| 12/18/1996 | CN1138395A Communication system resource allocation method |
| 12/11/1996 | EP0746937A1 Interactive multimedia communication system |
| 12/10/1996 | US5583887 Transmission signal processing apparatus |
| 12/04/1996 | EP0746120A1 Communication system with repeatedly allocated channel ID numbers |
| 12/04/1996 | EP0745291A1 Data transmission method, transmitter, and receiver |
| 12/03/1996 | US5581578 Digital communication system and a receiver for use in such a system |