| 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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| 03/25/1998 | CN1037878C Remote controlling device |
| 03/24/1998 | US5732391 Method and apparatus of reducing processing steps in an audio compression system using psychoacoustic parameters |
| 03/24/1998 | US5732361 Adapter for mobile phone |
| 03/24/1998 | US5732356 Method and an arrangement for sound reconstruction during erasures |
| 03/24/1998 | US5732343 Microwave harmonic mixer circuit of super conducting quantum interference device |
| 03/24/1998 | US5732342 Optimal radio frequency receiver |
| 03/24/1998 | US5732341 Method and apparatus for increasing receiver immunity to interference |
| 03/24/1998 | US5732340 For instantaneous muting during reception of a broadcast |
| 03/24/1998 | US5732339 Frequency offset correction |
| 03/24/1998 | US5732337 Reconfigurable mixer-filter-decimator |
| 03/24/1998 | US5732336 Receiver |
| 03/24/1998 | US5732335 Externally controlled output power by means of antenna keying |
| 03/24/1998 | US5732334 Radio transmitter and method of controlling transmission by radio transmitter |
| 03/24/1998 | US5732333 Linear transmitter using predistortion |
| 03/24/1998 | US5732330 Dual band transceiver |
| 03/24/1998 | US5732329 Radio transmitter/receiver |
| 03/24/1998 | US5732328 Method for power control in wireless networks for communicating multiple information classes |
| 03/24/1998 | US5732325 Waste energy control and management in power amplifiers |
| 03/24/1998 | US5732189 Audio signal coding with a signal adaptive filterbank |
| 03/24/1998 | US5732144 Remote microphone display select system and method of using same |
| 03/24/1998 | US5732143 Noise cancellation apparatus |
| 03/24/1998 | US5732112 Channel training of multi-channel receiver system |
| 03/24/1998 | US5732110 Receiver having an adjustable symbol slice demodulator |
| 03/24/1998 | US5731964 Electromagnetic-wave shielding device |
| 03/24/1998 | US5731963 Housing for a radio device having a thin electrically conductive film applied to an exterior surface thereof |
| 03/24/1998 | US5731767 Information encoding method and apparatus, information decoding method and apparatus, information recording medium, and information transmission method |
| 03/24/1998 | US5731764 Power control system for connecting and verifying slave connections |
| 03/24/1998 | US5731754 Transponder and sensor apparatus for sensing and transmitting vehicle tire parameter data |
| 03/24/1998 | US5731691 Power supply circuitry for a transponder and operable with infinitesimal power from receiving antenna |
| 03/19/1998 | WO1998011689A2 Method of cryptological authentification in a scanning identification system |
| 03/19/1998 | WO1998011676A2 Coherent demodulation with decision-directed channel estimation for digital communication |
| 03/19/1998 | WO1998011675A2 Receiving method and receiver |
| 03/19/1998 | WO1998011674A1 Method and apparatus for suppressing transmitter overtones and receiver blocking signals in a radio transceiver |
| 03/19/1998 | WO1998011672A1 Simplified high frequency tuner and tuning method |
| 03/19/1998 | WO1998011553A1 Ram storage assembly |
| 03/19/1998 | WO1998011505A1 Method for tuning an oscillating receiver circuit of a transponder built into a rfid system |
| 03/19/1998 | WO1998011496A1 Data transfer method for a scanning identification system |
| 03/19/1998 | WO1998011451A1 Receiver with improved multipath signal rejection |
| 03/19/1998 | WO1998005136A3 Radio receiver with a memory for transmission frequencies and codes associated to said frequencies |
| 03/19/1998 | WO1998002969A3 Method and apparatus for improving effective signal to noise ratios in hearing aids |
| 03/19/1998 | WO1998001957A3 Transmission system and receiver with improved detection, and improved detection method |
| 03/19/1998 | DE19638027A1 Protective helmet with loudspeaker remote from ear e.g. for cyclist or skater |
| 03/18/1998 | EP0829977A2 RDS-TMC radio receiver for processing specific regional and transregional road region notations |
| 03/18/1998 | EP0829973A2 Apparatus for frequency diversity in mobile television reception |
| 03/18/1998 | EP0829971A2 Circuit for transmit-receive switching |
| 03/18/1998 | EP0829970A2 Dual mode transceiver for TDMA and FDD modes |
| 03/18/1998 | EP0829969A2 Holder for handheld transceiver |
| 03/18/1998 | EP0829967A2 A TDMA mobile communication device for reducing a power consumption |
| 03/18/1998 | EP0829956A2 Electronic device having an AGC loop |
| 03/18/1998 | EP0829954A1 Amplifier system |
| 03/18/1998 | EP0829878A2 Device for reducing electromagnetic interference in recording and/or reproducing apparatus with radio receiving function |
| 03/18/1998 | EP0829174A1 Reconfigurable subscriber terminal for a wireless telecommunications system |
| 03/18/1998 | EP0829155A1 Doubly orthogonal code and frequency division multiple access communication system |
| 03/18/1998 | EP0829154A1 A method for identifying data transmission rate, and a receiver |
| 03/18/1998 | EP0829150A1 Cdma transmission employing clipping function |
| 03/18/1998 | EP0829149A1 Using orthogonal waveforms to enable multiple transmitters to share a single cdm channel |
| 03/18/1998 | EP0829148A2 A system for transferring data in re-assignable groups, a transmitter and a receiver for use in such a system, and a method for transferring, transmitting and receiving such data, and a signal comprising such data |
| 03/18/1998 | EP0829146A1 Frequency tracking for communication signals using m-ary orthogonal walsh modulation |
| 03/18/1998 | EP0829145A1 Data broadcasting system using the human ear properties |
| 03/18/1998 | EP0829138A1 Multiple transmission channel group transmitter |
| 03/18/1998 | EP0829134A1 Selective call receivers with stepwise variable gain control with hysteresis |
| 03/18/1998 | EP0829133A1 Agc circuit arrangement for a tuner |
| 03/18/1998 | EP0829107A1 Antenna coupler for a portable radiotelephone |
| 03/18/1998 | EP0829020A2 Narrow field electromagnetic sensor system and method |
| 03/18/1998 | EP0679300A4 A wireless packet data communications modem and method of use therein. |
| 03/18/1998 | CN2276688Y Microcomputer receiver for public information |
| 03/18/1998 | CN1176721A A method for identifying data transmission rate, and a receiver |
| 03/18/1998 | CN1176718A Voice compression in a paging network system |
| 03/18/1998 | CN1176715A Dual-mode FM/CDMA communication system |
| 03/18/1998 | CN1176569A Portable wireless telephone |
| 03/18/1998 | CN1176547A Spread spectrum communication system |
| 03/18/1998 | CN1176545A Delayed detection MRC diversity circuit |
| 03/18/1998 | CN1176543A CDMA communication system |
| 03/18/1998 | CN1176542A Spread spectrum receiving apparatus |
| 03/18/1998 | CN1176540A Wireless telecommunication equipment |
| 03/18/1998 | CN1176539A Self-testing transceiver |
| 03/18/1998 | CN1176538A Monolithic, low-noise, synchronous direct detection receiver for passive microwave/millimeter-wave radiometric imaging systems |
| 03/18/1998 | CN1176537A Long-wave signal and medium-wave signal receiver circuit |
| 03/18/1998 | CN1176535A Portable radio unit with screen |
| 03/18/1998 | CN1176527A Receiving mixer circuit for mobile radio transceiver designed to operate with multiple modulation modes and multiple frequency bands |
| 03/17/1998 | US5729829 Interference mitigation method and apparatus for multiple collocated transceivers |
| 03/17/1998 | US5729828 Frequency processing circuit with lower sideband suppression and emphasis |
| 03/17/1998 | US5729680 Ad hoc initialization for wireless local area network |
| 03/17/1998 | US5729607 Non-linear digital communications system |
| 03/17/1998 | US5729591 Credit card operated cellular phone |
| 03/17/1998 | US5729589 Apparatus and method for incoming call detection and alarm circuitry for cellular telephones |
| 03/17/1998 | US5729576 Interference canceling receiver |
| 03/17/1998 | US5729572 Transmitting and receiving signal switching circuit for wireless communication terminal |
| 03/17/1998 | US5729571 Non-coherent digital receiver of a spread spectrum communication system |
| 03/17/1998 | US5729570 Orthogonal code division multiple access communication system having multicarrier modulation |
| 03/17/1998 | US5729556 Data processing system |
| 03/17/1998 | US5729538 Dual mode satellite/cellular terminal |
| 03/17/1998 | US5729388 System employing dissipative pseudorandum dynamics for communications and measurement |
| 03/17/1998 | US5729372 Optical transmission method and apparatus and optical amplification method and apparatus for optical communication system |
| 03/17/1998 | US5727290 Ergonomic attachment device for a portable electronic apparatus |
| 03/13/1998 | CA2212950A1 Power control circuit for a radio frequency transmitter |
| 03/12/1998 | WO1998010612A1 Interface system for providing hands-free operation of a radiotelephone and communication to accessories in a mobile office environment |
| 03/12/1998 | WO1998010610A1 Mobile station operations management based on battery capacity |
| 03/12/1998 | WO1998010609A1 Methods and apparatus for generating timing signals in a radiocommunication unit |
| 03/12/1998 | WO1998010543A2 Method and arrangement for forming calibration signal |