| 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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| 08/18/1999 | CN1226127A Small-region searching method and mobile station apparatus |
| 08/18/1999 | CN1226107A Off-channel leakage power monitoring apparatus and method |
| 08/18/1999 | CN1226106A Mobile radio telephone |
| 08/18/1999 | CN1044758C Data receving method of multi-broadcasting receiver |
| 08/17/1999 | WO1999041867A1 Radio communication equipment and communication method |
| 08/17/1999 | US5940771 Network supporting roaming, sleeping terminals |
| 08/17/1999 | US5940770 Portable communication device |
| 08/17/1999 | US5940749 Apparatus for eliminating external interference signals in code division multiple access mobile phone and method therefor |
| 08/17/1999 | US5940748 Method and system for determining the integrity of a received signal |
| 08/17/1999 | US5940747 Apparatus and method of acquiring a carrier signal in a wireless receiver |
| 08/17/1999 | US5940745 Portable transceiver having retractable antenna and matching circuit |
| 08/17/1999 | US5940744 Local frequency correction |
| 08/17/1999 | US5940502 Phone holder |
| 08/17/1999 | US5940458 Method and compensating for time error of time/frequency generator using global positioning system |
| 08/17/1999 | US5940453 For performance improvement of a digital wireless receiver |
| 08/17/1999 | US5940434 Walsh-QPSK chip modulation apparatus for generating signal waveform in a direct sequence spread spectrum communication system |
| 08/17/1999 | US5940433 Acquisition method and system of spreading code |
| 08/17/1999 | US5940432 Spread spectrum radiocommunication device utilizing rake reception scheme |
| 08/17/1999 | US5940431 Access technique of channel hopping communications system |
| 08/17/1999 | US5940429 Cross-term compensation power adjustment of embedded auxiliary data in a primary data signal |
| 08/17/1999 | US5940428 Spread spectrum signal receiving apparatus |
| 08/17/1999 | US5940410 Method of transmitting data reliably over N normal channels, and over at least one back-up channel, and a transmit end station, a receive end station, and a relay station corresponding to the method |
| 08/17/1999 | US5940400 Method, device, wireless transceiver and computer for providing collision detection in wireless carrier sense multiple access systems |
| 08/17/1999 | US5940382 Virtual locating of a fixed subscriber unit to reduce re-acquisition time |
| 08/17/1999 | US5940143 High-definition television signal receiving apparatus and gain control circuit thereof |
| 08/17/1999 | US5940133 Method for playing back data signals in television or sound radio program channels |
| 08/17/1999 | US5940040 System for selecting between a whip antenna and a built-in antenna |
| 08/17/1999 | US5940039 Hand-held communication equipment with a radiation shielding antenna apparatus |
| 08/17/1999 | US5940038 Radio telephone |
| 08/17/1999 | US5940034 Dual RF autotrack control |
| 08/17/1999 | US5940006 Enhanced uplink modulated backscatter system |
| 08/17/1999 | US5939990 Method of indicating operation of backup battery and circuit for sensing the same |
| 08/17/1999 | CA2268975A1 Radio communication apparatus and radio communication method |
| 08/17/1999 | CA2121529C Picture intermediate frequency circuit |
| 08/17/1999 | CA2111807C Data transmitting and receiving apparatus |
| 08/12/1999 | WO1999040769A1 Housing |
| 08/12/1999 | WO1999040698A1 Method and apparatus for joint detection of data in a direct sequence spread spectrum communications system |
| 08/12/1999 | WO1999040689A1 Power control with signal quality estimation for smart antenna array communication systems |
| 08/12/1999 | WO1999040688A1 High-quality audio signals via telephone line |
| 08/12/1999 | WO1999040686A1 A method and circuit arrangement for reducing passband ripple of a bandpass filter |
| 08/12/1999 | WO1999040680A1 Method and apparatus for compensating for delays in modulator loops |
| 08/12/1999 | WO1999040679A1 Apparatus and methods for tuning bandpass filters |
| 08/12/1999 | WO1999040648A1 Downlink broadcasting by sequential transmissions from a communication station having an antenna array |
| 08/12/1999 | WO1999040491A1 Method for activating the functions of an electrical apparatus |
| 08/12/1999 | DE4292273C2 Radiotelephone for use in mobile communication |
| 08/12/1999 | DE19804068A1 Verfahren zur Aktivierung von Funktionen eines elektrischen Geräts Method for activating functions of an electrical appliance |
| 08/12/1999 | DE19803602C1 Mobile radio telephone with transport arrangement |
| 08/12/1999 | DE19801495A1 Radio station for data communications in radio communications system |
| 08/12/1999 | DE19753201C1 Arrangement for distortion correction of signal pairs consisting of in-phase and quadrature signals |
| 08/12/1999 | CA2320215A1 Method and apparatus for compensating for delays in modulator loops |
| 08/12/1999 | CA2304943A1 Housing |
| 08/11/1999 | EP0935393A2 Set top terminal for cable television delivery systems |
| 08/11/1999 | EP0935354A2 Time-division double-way communication system |
| 08/11/1999 | EP0935347A2 RF communications system operable in the presence of a repetitive interference source and related methods |
| 08/11/1999 | EP0934652A2 Reception of modulated carriers having asymmetrical sidebands |
| 08/11/1999 | EP0934637A2 Method of receiving messages, and electrical appliance for implementing the method |
| 08/11/1999 | EP0934633A1 Determination of frequency offsets in communication systems |
| 08/11/1999 | EP0934631A1 Radio receiver |
| 08/11/1999 | EP0934630A1 Homodyne cellular base station |
| 08/11/1999 | EP0934619A1 Charging of secondary cells using transmitted microwave energy |
| 08/11/1999 | EP0934608A1 Antenna system for portable radiotelephone station |
| 08/11/1999 | EP0906666A4 Printed circuit board having integrated broadside microwave coupler |
| 08/11/1999 | EP0901718A4 Method and apparatus for splicing compressed information streams |
| 08/11/1999 | EP0857375B1 Method of and apparatus for coding, manipulating and decoding audio signals |
| 08/11/1999 | EP0673583B1 Advanced set top terminal for cable television delivery systems |
| 08/11/1999 | CN2333123Y Mobile telephone sleeve able to prevent electromagnetic wave radiation |
| 08/11/1999 | CN2333122Y Video segregating unit |
| 08/11/1999 | CN2333015Y Multipurpose solar electronic glasses |
| 08/11/1999 | CN1225781A Improvements in or relating to method apparatus for using duality, and system for communicating digital information |
| 08/11/1999 | CN1225764A Multi-code compressed mode DS-CDMA systems and methods |
| 08/11/1999 | CN1225762A Base station with antenna, including an amplifier, located at distance from the base station |
| 08/11/1999 | CN1225761A Arrangement for reducing intermodulation distortion of radio frequency signals |
| 08/11/1999 | CN1225751A Two-frequency switch, device using two-frequency antenna in common and mobile radio communication equipment |
| 08/11/1999 | CN1225736A 语音活动检测器 Voice activity detector |
| 08/11/1999 | CN1225548A Wireless selective call receiving apparatus which can reduce current consumption and wireless selective call receiving method |
| 08/11/1999 | CN1225531A Coherent detecting method using pilot symbol and tentatively determined data symbol, mobile communication receiver and interference removing apparatus using coherent detecting method |
| 08/11/1999 | CN1044657C Temp. coefficient controlled radio frequency signal detecting circuitry |
| 08/11/1999 | CA2260329A1 Adaptive signal receiver for cdma communication system |
| 08/11/1999 | CA2226376A1 Method and system for restoring a distributed telecommunications network |
| 08/10/1999 | US5937359 Apparatus which includes a removable casing that contains an adapter for reading chip cards of different formats |
| 08/10/1999 | US5937356 Radio selective call receiver capable of adjusting radio signal level |
| 08/10/1999 | US5937341 Simplified high frequency tuner and tuning method |
| 08/10/1999 | US5937340 Integrated oscillator and radio telephone using such an oscillator |
| 08/10/1999 | US5937338 Scanning radio receiver |
| 08/10/1999 | US5937336 Transmission/reception apparatus |
| 08/10/1999 | US5937335 Transmission and reception apparatus having a single phase-locked loop and method thereof |
| 08/10/1999 | US5937029 Data logging system employing M N +1! redundancy |
| 08/10/1999 | US5937017 Complex signal limiting |
| 08/10/1999 | US5937014 To process a signal received in a radiocommunication system |
| 08/10/1999 | US5937003 Adaptive reference pattern for spread spectrum detection claims |
| 08/10/1999 | US5937002 Channel hopping in a radio communication system |
| 08/10/1999 | US5937001 Range safety communication system and method utilizing pseudorandom noise sequences |
| 08/10/1999 | US5937000 Method and apparatus for embedding auxiliary data in a primary data signal |
| 08/10/1999 | US5936999 Receiver and method for generating spreading codes in a receiver |
| 08/10/1999 | US5936998 Spread spectrum modulator |
| 08/10/1999 | US5936997 Spread spectrum communication method |
| 08/10/1999 | US5936979 Used in a radio system |
| 08/10/1999 | US5936961 Signalling packet for communication system with reference modulated in accordance with a time-dependent law |
| 08/10/1999 | US5936841 For use with a pc card |
| 08/10/1999 | US5936587 Small antenna for portable radio equipment |