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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01/12/1999 | US5860023 Device for getting sophisticated data and voice information from audience |
01/12/1999 | US5859878 Common receive module for a programmable digital radio |
01/12/1999 | US5859875 Transmitter, receiver, communication system, and communication method employing spread spectrum communication technique |
01/12/1999 | US5859870 Time diversity transmission-reception system |
01/12/1999 | US5859869 Low cost binary phase shift keying modulation transmitter system |
01/12/1999 | US5859674 Tuning circuit for a receiver, particularly a television receiver |
01/12/1999 | US5859664 Method and apparatus for line or frame-synchronous frequency hopping of video transmissions |
01/12/1999 | US5859607 Receiver with digital processing of a phase-splitted input signal |
01/12/1999 | US5859570 Frequency synthesizer using divided and frequency converted DDS signal as reference for PLL |
01/12/1999 | US5859522 Electronic device |
01/12/1999 | US5858570 Communication apparatus, electronic apparatus, and battery management method |
01/12/1999 | US5857600 Portable case |
01/12/1999 | CA2109810C Power control circuitry for achieving wide dynamic range in a transmitter |
01/12/1999 | CA2083635C Digital signal hardware protection switching |
01/12/1999 | CA2077440C Apparatus and method of automatic gain control in a receiver |
01/07/1999 | WO1999000997A1 Power supply switching in a radio communication device |
01/07/1999 | WO1999000967A1 Method of synchronization |
01/07/1999 | WO1999000912A1 Mobile station synchronization within a spread spectrum communications system |
01/07/1999 | WO1999000910A1 Communication device |
01/07/1999 | WO1999000909A1 Power delivery system and method of controlling the power delivery system for use in a radio frequency system |
01/07/1999 | WO1999000908A1 Opposite polarization interference cancellation in satellite communication |
01/07/1999 | WO1999000907A1 Transmission of fm video signals over various lines |
01/07/1999 | WO1999000902A1 Communication device a frequency compensating synthesizer and method of providing same |
01/07/1999 | WO1999000872A1 Digital interference suppression system for radio frequency interference cancellation |
01/07/1999 | WO1998047243A3 Circuitry and method for demodulating code division multiple access (cdma) signals |
01/07/1999 | WO1998044654A3 Power control of rf signals with booster module |
01/07/1999 | EP0889604A2 Interference mitigation for user terminal in satellite telecommunication system |
01/07/1999 | EP0889601A2 Radio communication system having regular channels and protection channel selectively used for high-priority signal and low-priority signal |
01/07/1999 | EP0889600A2 Synchronization in spread spectrum communication |
01/07/1999 | EP0889583A1 Reception device for microwave signals |
01/07/1999 | EP0889582A1 Apparatus with reduced a/d dynamic range requirement in a compensating feedback system |
01/07/1999 | EP0888681A1 Balanced transversal i,q filters for quadrature modulators |
01/07/1999 | EP0885490A3 Automatic channel switching for jamming avoidance in burst-mode packet data wireless communication networks |
01/07/1999 | EP0782797B1 Method and apparatus for temperature compensation in a time division multiplex receiver |
01/07/1999 | EP0683938A4 Method and apparatus of frequency generation for use with digital cordless telephones. |
01/07/1999 | DE19728061A1 Verfahren und System zur Steuerung der Nutzung von Satelliten-Übertragungskapazität in terrestrischen Netzen A method and system for controlling the use of satellite transmission capacity in terrestrial networks |
01/07/1999 | DE19727938A1 Verfahren und Vorrichtung zum Codieren von Signalen Method and apparatus for encoding signals |
01/07/1999 | DE19727674A1 Sound system switching device, esp. for car stereo equipment |
01/06/1999 | CN2303406Y Satellite receiving device for satellite TV set |
01/06/1999 | CN2303405Y Multi-function transmission device |
01/06/1999 | CN1204225A Mobile information apparatus and control method therefor |
01/06/1999 | CN1204222A Soft swap handoff method in CDMA cellular system |
01/06/1999 | CN1204193A Method for transmitting two parallel channels using code division and apparatus realising the method |
01/06/1999 | CN1204188A Device and method for linearizing transmitter in digital communication system |
01/06/1999 | CN1204187A 无线电接收系统 Radio receiving system |
01/06/1999 | CN1204186A Receiver with suppressed intermodulation distortion and method for operating the same |
01/06/1999 | CN1041585C Portable telephone set |
01/05/1999 | US5857157 Portable communication terminal apparatus |
01/05/1999 | US5857151 Radio unit for a telephone set with automatic adjustment of operating parameters based on a connected power module |
01/05/1999 | US5857150 RF receiver range extender |
01/05/1999 | US5857149 Multibroadcast receiver for extracting desired broadcast information based on an identification code |
01/05/1999 | US5857148 Portable electronic device and method for coupling power thereto |
01/05/1999 | US5857146 Circuit and method for controlling a timing of intermittent reception in radio equipment |
01/05/1999 | US5857115 Method for controlling power to individual audio-video units making up an audio-video system |
01/05/1999 | US5857004 Digital data receiver |
01/05/1999 | US5857000 Time domain aliasing cancellation apparatus and signal processing method thereof |
01/05/1999 | US5856999 Apparatus and method for data transmission on bonded data channels of a communications network utilizing a single serial communications controller |
01/05/1999 | US5856998 Method and apparatus for correlating a continuous phase modulated spread spectrum signal |
01/05/1999 | US5856997 Spread spectrum receiving apparatus |
01/05/1999 | US5856971 Code division multiple access system providing variable data rate access to a user |
01/05/1999 | US5856808 Antenna assembly |
01/05/1999 | US5856806 Radio device |
01/05/1999 | US5856804 Method and intelligent digital beam forming system with improved signal quality communications |
01/05/1999 | US5856788 Method and apparatus for radiofrequency identification tags |
01/05/1999 | US5856766 Communication device with a frequency compensating synthesizer and method of providing same |
01/05/1999 | CA2181050C Method, device, and radio for compensating for modulator frequency drift while allowing for data transmission |
01/05/1999 | CA2156967C A radio communication device incorporating a flippable antenna structuree |
01/05/1999 | CA2132765C Radio communications system with fault tolerant frequency hopping synchronization |
01/05/1999 | CA2075756C Frequency converter circuit |
12/30/1998 | WO1998059472A2 Filter method and apparatus for combined multiple frequency signals |
12/30/1998 | WO1998059458A1 Chaotic digital code-division multiple access (cdma) communication systems |
12/30/1998 | WO1998059448A2 Prioritized pilot searching in a code-division multiple access communication system |
12/30/1998 | WO1998059446A1 Receiving a spread spectrum signal |
12/30/1998 | WO1998059445A1 Bandpass processing of a spread spectrum signal |
12/30/1998 | WO1998059444A1 Bandpass correlation of a spread spectrum signal |
12/30/1998 | WO1998059439A1 Method and device for effective data radiotransmission |
12/30/1998 | WO1998059438A1 Method and mobile radiotelephone for digital data radiotransmission |
12/30/1998 | WO1998059437A1 RADIO INTERFACE FOR A SMALL WIRELESS INSTALLATION IN THE 2.4 GHz ISM BAND |
12/30/1998 | WO1998059436A1 Method and device for radiotransmission |
12/30/1998 | WO1998059433A2 Method and apparatus for downlink power control in macro diversity radio systems |
12/30/1998 | WO1998059429A1 Acquiring a spread spectrum signal |
12/30/1998 | WO1998059428A1 Wireless communications system for transmitting and receiving data with increased data rates and robustness |
12/30/1998 | WO1998059427A1 Processing a spread spectrum signal in a frequency adjustable system |
12/30/1998 | WO1998059425A1 Built-in mobile telephone device for motor vehicles |
12/30/1998 | WO1998059417A1 Gain control |
12/30/1998 | WO1998059414A1 A method and apparatus for eliminating audio clicks in a radio receiver |
12/30/1998 | WO1998059257A1 Highly parallel gps correlator system and method |
12/30/1998 | WO1998044670A3 A code synchronization unit and method |
12/30/1998 | WO1998043367A3 Spread spectrum communication using circular waveform shift-keying |
12/30/1998 | EP0887987A2 Telephone transmitting/receiving unit and mobile communication terminal |
12/30/1998 | EP0887984A2 A two-piece radiotelephone |
12/30/1998 | EP0887946A2 Synchronous capture circuit for code division multiple access communication |
12/30/1998 | EP0887945A2 Filter switching system and method |
12/30/1998 | EP0887944A2 Digital processing radio receiver |
12/30/1998 | EP0887943A1 Telephone device comprising a base staition and at least one handset, and method to initiate sleep periods in the handset |
12/30/1998 | EP0887939A2 Method of sampling, downconverting, and digitizing a bandpass signal using a digital predictive coder |
12/30/1998 | EP0887925A2 Gain compensating apparatus for use with amplifying portion in code division multiple access communication system |
12/30/1998 | EP0887888A1 Device having retractable contacts |
12/30/1998 | EP0886966A1 Transmission of data items |
12/30/1998 | EP0886922A1 Selective filtering for co-channel interference reduction |