| Patents for H04B 1 - Details of transmission systems, not covered by a single one of groups; Details of transmission systems not characterised by the medium used for transmission (188,568) |
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| 01/21/1999 | WO1999003096A1 Information decoder and decoding method, information encoder and encoding method, and distribution medium |
| 01/21/1999 | WO1999003091A1 Methods and apparatus for measuring signal level and delay at multiple sensors |
| 01/21/1999 | WO1999003083A1 Caption type language learning system using caption type learning terminal and communication network |
| 01/21/1999 | WO1998048521A3 Terminal unit for digital mobile radiotelephone communication and method for evaluating data received in a terminal unit of this type |
| 01/21/1999 | WO1998047238A3 Method and system for avoiding communication failure in cdma systems |
| 01/21/1999 | WO1998035495A3 Multichannel television sound stereo and surround sound encoder |
| 01/21/1999 | DE19730130A1 Verfahren zum Codieren eines Audiosignals A method of encoding an audio signal |
| 01/21/1999 | DE19730129A1 Verfahren zum Signalisieren einer Rauschsubstitution beim Codieren eines Audiosignals A method for signaling a noise substitution when coding an audio signal |
| 01/21/1999 | CA2296006A1 Audio encoder |
| 01/21/1999 | CA2295564A1 Wake-up circuit for an electronic apparatus |
| 01/20/1999 | EP0892573A2 Communication method and communication system |
| 01/20/1999 | EP0892507A1 Portable terminal equipment |
| 01/20/1999 | EP0892503A2 CDMA radio communication apparatus |
| 01/20/1999 | EP0892502A2 Electromagnetic shielding in electronic device |
| 01/20/1999 | EP0892459A1 Double resonance antenna structure for several frequency ranges |
| 01/20/1999 | EP0892341A1 Data transmission system |
| 01/20/1999 | EP0892277A2 Global navigation satellite system receiver with blanked-PRN code correlation |
| 01/20/1999 | EP0891659A1 Single two-way radio having multiple subchannels |
| 01/20/1999 | EP0891657A1 System, arrangement and method relating to protection in a communications system and a telecommunications system with a protection arrangement |
| 01/20/1999 | EP0891653A1 Tuning system for achieving quick acquisition times for a digital satellite receiver |
| 01/20/1999 | EP0891642A1 Antenna assembly for radiotelephonic device |
| 01/20/1999 | EP0827643B1 Bidirectional transmission line driver/receiver |
| 01/20/1999 | CN1205816A Coexisting communication systems |
| 01/20/1999 | CN1205585A Spread-spectrum signal receiving method and spread-spectrum signal receiving apparatus |
| 01/20/1999 | CN1205579A 无线通信装置 The wireless communication device |
| 01/20/1999 | CN1041784C Audio level equalization of television sound, broad cast FM and national weather service FM radio signals |
| 01/19/1999 | US5862493 External power source to main battery power sources switch |
| 01/19/1999 | US5862468 Device for moving and detaching a panel |
| 01/19/1999 | US5862465 Hysteresis-free anti-saturation circuit |
| 01/19/1999 | US5862463 Shortwave broadcast converter |
| 01/19/1999 | US5862460 Power control circuit for a radio frequency transmitter |
| 01/19/1999 | US5862458 Impedance matching circuit in transmitter circuit and control method thereof |
| 01/19/1999 | US5862457 Multichannel predistortion linearizer |
| 01/19/1999 | US5862455 Fading simulator |
| 01/19/1999 | US5862260 Methods for surveying dissemination of proprietary empirical data |
| 01/19/1999 | US5862235 Multiple broadcast channel transmitter arrangment |
| 01/19/1999 | US5862186 RF simplex spread spectrum receiver and method |
| 01/19/1999 | US5862181 Transmitting receiving apparatus |
| 01/19/1999 | US5862173 Re-orthogonalization of wideband CDMA signals |
| 01/19/1999 | US5862172 Spread spectrum communication system and its transmitter and receiver |
| 01/19/1999 | US5862171 Radio frequency communication network having adaptive communication parameters |
| 01/19/1999 | US5862142 Frequency hopping wireless communication system and communication equipment |
| 01/19/1999 | US5862139 Code-division-multiple-access (CDMA) receiver and method with DC component removal |
| 01/19/1999 | US5862133 For communicating data |
| 01/19/1999 | US5862124 Method for interference cancellation in a cellular CDMA network |
| 01/19/1999 | US5861851 Mobile-phone antenna device directly insertion connectable to an external antenna |
| 01/19/1999 | US5861844 Method and apparatus for providing redundant coverage within a cellular communication system |
| 01/19/1999 | US5861819 Radio receiver with switched A-D converter |
| 01/19/1999 | CA2236066A1 Cdma communication system and apparatus |
| 01/19/1999 | CA2176408C Battery pack for portable transceiver |
| 01/19/1999 | CA2130018C Two-way catv system and remote control system |
| 01/19/1999 | CA2037288C Power source control system for automobile telephone |
| 01/18/1999 | CA2243160A1 Electronic device |
| 01/17/1999 | CA2209036A1 Wireless headphones with portable fm transmitter |
| 01/14/1999 | WO1999002002A1 Plug-in telecommunication card |
| 01/14/1999 | WO1999001994A2 A subscriber unit and method for use in a wireless communication system |
| 01/14/1999 | WO1999001957A1 Satellite broadcasting system |
| 01/14/1999 | WO1999001949A1 Power control apparatus, and an associated method, for tdma transmitter |
| 01/14/1999 | WO1999001948A2 Method and device for signal coding |
| 01/14/1999 | WO1999001946A1 Reception method and receiver |
| 01/14/1999 | WO1999001945A1 Signal detection method in a digital cellular receiver |
| 01/14/1999 | WO1999001933A2 Multiple mode direct conversion receiver |
| 01/14/1999 | WO1999001931A1 Impedance matching circuit for power amplifier |
| 01/14/1999 | WO1999001907A1 Protection from electrosmog |
| 01/14/1999 | WO1999001865A1 Digital cellular phone with voice recognition function and method for controlling the same |
| 01/14/1999 | WO1998042092A3 Improved channel spacing for distortion reduction |
| 01/14/1999 | WO1998039858A3 A multi-user communication system architecture with distributed transmitters |
| 01/14/1999 | WO1998037590A3 Polarization diverse antenna for portable communication devices |
| 01/14/1999 | WO1998035516A3 Removable data store |
| 01/14/1999 | WO1998033284A3 Audio compression |
| 01/14/1999 | DE19729655A1 Stand-by control arrangement for radio telephone |
| 01/14/1999 | DE19729645A1 Distress call system for personal use |
| 01/14/1999 | DE19727967A1 Schutz vor Elektrosmog Protection against electromagnetic |
| 01/14/1999 | CA2295727A1 Digital cellular phone with voice recognition function and method for controlling the same |
| 01/13/1999 | EP0891112A1 Auxiliary module for a portable telephone and a set consisting of said module and said telephone |
| 01/13/1999 | EP0891065A1 Portable terminal equipment |
| 01/13/1999 | EP0891050A1 Portable terminal equipment |
| 01/13/1999 | EP0891047A2 Wireless communication device |
| 01/13/1999 | EP0891046A2 A receiving apparatus with intermittent receiving |
| 01/13/1999 | EP0890231A1 Block spectrum receiver for a broadband communications system |
| 01/13/1999 | EP0890225A1 Method of generating a carrier wave of common channels, and a radio system |
| 01/13/1999 | EP0890224A1 Channel hopping in a radio communications system |
| 01/13/1999 | EP0890223A2 Method for allocating rake branches and rake receiver |
| 01/13/1999 | EP0890156A1 Hand-held remote controller with trigger selection button |
| 01/13/1999 | EP0890086A1 Digital interconnects of a pc with consumer electronics devices |
| 01/13/1999 | EP0611488B1 Dual polarisation waveguide probe system |
| 01/13/1999 | EP0552316B1 Circuit for reducing intermodulation on the use of semiconductor lasers for optical information transmission |
| 01/13/1999 | CN1205143A Two-phase/four-phase modulated comb-shaped spread spectrum communication system |
| 01/13/1999 | CN1205142A Transmitting and receiving method and radio system |
| 01/13/1999 | CN1205132A Decoder for trellis encoded signal mixed with NTSC co-channel interference and white noise |
| 01/13/1999 | CN1204922A Co-channel interference canceler and control method therefor |
| 01/13/1999 | CN1204916A Telephone apparatus with audio recording function and audio recording method of telephone apparatus |
| 01/13/1999 | CN1204911A User interface of digital TV. system |
| 01/13/1999 | CN1204904A Antenna malfunction detecting system |
| 01/13/1999 | CN1204902A Transmitter/receiver having antenna failure detection system |
| 01/13/1999 | CN1204901A Rceiving apparatus with intermittent receiving |
| 01/13/1999 | CN1204900A Method of controlling received signal level |
| 01/13/1999 | CN1204899A Cradle device having rotating hinge in pager |
| 01/13/1999 | CN1204898A Apparatus with reduced A/D dynamic range requirement in compensating feedback system |
| 01/13/1999 | CN1204897A Transmitting system and method |