Patents
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)
08/2002
08/01/2002US20020101540 Channel selection device for use in digital/analog broadcasting receiver and digital/analog broadcasting receiver equipped with the same
08/01/2002US20020101459 System and method for ensuring integrity of data-driven user interface of a wireless mobile station
08/01/2002US20020101357 System for transmitting control commands to electronic devices
08/01/2002US20020101306 Tuning circuit
08/01/2002US20020101298 Transmission/reception unit with improved antenna gain
08/01/2002US20020101291 Tuner
08/01/2002US20020101220 Charging device with stress stored by charging that is initiated by externally applied force, and that being eventually released by heat due to charging saturation
08/01/2002US20020101117 Vehicle-mounted electronic apparatus
08/01/2002US20020100807 Electronic apparatus having antenna elements for use in wireless communication
08/01/2002DE10164665A1 Rahmenstruktur mit Diversity Frame structure with Diversity
08/01/2002DE10128236A1 Verfahren zur Kompensation einer stufenförmigen DC-Störung in einem digitalen Basisbandsignal eines Homodyn-Funkempfängers Method for compensating a step-shaped DC disturbance in a digital baseband signal of a homodyne radio receiver
08/01/2002DE10101911A1 Signalverarbeitung eines amplituden- und/oder phasenmodulierten Hochfrequenzsignals Signal processing of an amplitude and / or phase-modulated high-frequency signal
08/01/2002CA2436077A1 Simplified block linear equalizer with block space time transmit diversity
07/2002
07/31/2002EP1227682A1 Television apparatus for storage broadcasting, information display, distributing device, and information distributing method
07/31/2002EP1227681A2 Receiving device and transmission device
07/31/2002EP1227608A2 Method for switching a broadcast receiver to a different broadcast transmission with the same audio content
07/31/2002EP1227601A1 Downlink scheduling using parallel code trees
07/31/2002EP1227600A2 Method and system for setting a transmission power limit based on mobile station shape
07/31/2002EP1227598A2 Mobile radio communication apparatus capable to a plurality of radio communication systems
07/31/2002EP1227597A2 Noise cancelling method and apparatus
07/31/2002EP1227586A2 Portable radio terminal and AFC control method
07/31/2002EP1227585A2 Tuner control apparatus having tune-by-label capability
07/31/2002EP1227577A1 Method and apparatus for compensation of cross modulation effects
07/31/2002EP1227540A1 Partial ground connection of a metal housing for realising certain electrical lenghts for the ground connection of a chip antenna
07/31/2002EP1227434A1 Communication device
07/31/2002EP1226744A2 A shielding device for a hand-held radiophone
07/31/2002EP1226728A1 Method for use of a multi-card cellular telephone
07/31/2002EP1226727A2 Non-bandlimiting antenna sharing method and apparatus for base stations
07/31/2002EP1226666A2 Method for synchronising an uplink signal transmission in a radio communication system
07/31/2002EP1226665A1 Syncronized pilot reference transmission for a wireless communication system
07/31/2002EP1226659A2 Method of carrying out an uplink synchronization of the signal transmission in a radio communication system
07/31/2002EP1226658A1 Interference cancellation system in a cdma receiver and method for cancelling interference
07/31/2002EP1226656A1 Multi-mode communications system with efficient oscillator synchronization
07/31/2002EP1226655A2 Arrangement for multichannel signal transmission between mobile units
07/31/2002EP1226653A1 Method for generating characters and/or symbols and the information and communication service method thereby
07/31/2002EP1226652A1 Ultra wide band base band receiver
07/31/2002EP1226578A1 Techniques for improving audio clarity and intelligibility at reduced bit rates over a digital network
07/31/2002EP1046241A4 A method using codebook indexing to achieve high bit densities in a ds-cdma-ss communication system
07/31/2002EP1040593B1 Method and apparatus for frequency acquisition and tracking for ds-ss cdma receivers
07/31/2002EP0883907B1 Folded bow-tie antenna
07/31/2002CN2503688Y Protection conver on TV remote controller for avoiding damage when drop
07/31/2002CN2503672Y KU frequency-channel satellite receiving tuner
07/31/2002CN2503671Y Push-type channel selection radio
07/31/2002CN1361984A Method and apparatus for providing dual automatic gain control delay settings in a television receiver
07/31/2002CN1361956A Time and frequency diversity in FH/TDD systems
07/31/2002CN1361955A Method and device for generating a channel and subscriber-coded message signal
07/31/2002CN1361948A Method for adjusting transmission power in a radio system and corresponidng radio system
07/31/2002CN1361947A Method and device for synchronising mobile telephone receivers in a mobile telephone system
07/31/2002CN1361945A Reception method and receiver for mobile radiotelephone applications
07/31/2002CN1361943A Tuning system for achieving rapid signal acquisition for a digital satellite receiver
07/31/2002CN1361938A Power modulation systems and methods that separately amplify low and high frequency portions of an amplitude waveform
07/31/2002CN1361906A Overmolded electronics
07/31/2002CN1361888A Method and apparatus for generating a control signal bitstream
07/31/2002CN1361646A Method for providing function of specific data notice in telephone
07/31/2002CN1361644A PLL circuit and radio communication terminal machine
07/31/2002CN1361616A Intelligent portable communication equipment according to user's time schedule and its operating method
07/31/2002CN1361597A Network communication equipment with automatic power failure trip function and its trip method
07/31/2002CN1088547C Method for determining a phase error in radio-frequency signal, and a receiver
07/30/2002US6427134 Voice activity detector for calculating spectral irregularity measure on the basis of spectral difference measurements
07/30/2002US6427072 Reserve power system for any battery operated device
07/30/2002US6427070 Heavy-duty audio equipment
07/30/2002US6427068 Simplified high frequency tuner and tuning method
07/30/2002US6427047 Apparatus and method for protecting the unauthorized duplication of a signal
07/30/2002US6426983 Method and apparatus of using a bank of filters for excision of narrow band interference signal from CDMA signal
07/30/2002US6426982 Low complexity multiple bits matched filter
07/30/2002US6426973 Differential minimum mean squared error communication signal compensation method
07/30/2002US6426971 System and method for accurately predicting signal to interference and noise ratio to improve communications system performance
07/30/2002US6426970 Bi-directional signal coupler method and apparatus
07/30/2002US6426949 Signal reception apparatus for DS-CDMA communication system
07/30/2002US6426934 One-bit data reproducing system having controllable low pass filter characteristics
07/30/2002US6426922 Information reproducing system including a master and a slave system
07/30/2002US6426820 Remote control incorporating self-test capability
07/30/2002US6426780 DTV receiver with low-band final I-F signal filtered for suppressing co-channel interfering NTSC audio carrier
07/30/2002US6426729 Conductive transmission line waveguide converter, microwave reception converter and satellite broadcast reception antenna
07/30/2002US6426692 Data transfer method for a scanning identification system
07/30/2002US6426682 Transceiver unit for a first and second transmitting/receiving frequency
07/30/2002CA2282376C System and method for locating individuals and equipment, airline reservation system, communication system
07/30/2002CA2272219C Oscillator and communications device
07/30/2002CA2269407C Array antenna radio communication apparatus
07/30/2002CA2254396C Asymmetrical encoding/decoding method and apparatus for communication networks
07/30/2002CA2052007C Radio telephone using received signal strength in controlling transmission power
07/25/2002WO2002058381A1 Reception system for multiple-tuner television enabling to automatically connect each tuner to at least an antenna, whatever the number of antennae it comprises
07/25/2002WO2002058331A2 Connectionless broadcast signalling
07/25/2002WO2002058313A1 Receiver for receiving data frames containing information and signaling data
07/25/2002WO2002058310A2 Fast initialization using seamless rate adaptation
07/25/2002WO2002058290A1 System and method for reducing multipath distortion in wireless distance measurement systems
07/25/2002WO2002058282A1 Radio communication system comprising an internal and an external antenna part connected via a digital signal transmitting cable
07/25/2002WO2002058270A2 Tdd fdd air interface
07/25/2002WO2002058268A1 System and method of restoring cable service
07/25/2002WO2002058267A2 Distance measurement using half-duplex rf techniques
07/25/2002WO2002058266A2 Method and apparatus for efficient use of communication resources in a communication system
07/25/2002WO2002058265A1 Path search method and path search device, and mobile terminal
07/25/2002WO2002058264A1 Method and device for synchronising a cdma signal to a pilot sequence
07/25/2002WO2002058258A1 Battery pin of an interface connector for a cellular phone
07/25/2002WO2002058250A2 Carrier phase recovery system for adaptive burst modems and link hopping radio networks
07/25/2002WO2002058239A2 Electric circuit module, circuit module arrangement and use of said circuit module and of said circuit module arrangement
07/25/2002WO2002041508A3 Method and apparatus for synchronizing a ds-cdma receiver
07/25/2002WO2002039641A3 Portable transceiver
07/25/2002WO2002019564A3 Method and apparatus for plurality signal generation
07/25/2002WO2002011300A3 Multipath parameter estimation in spread-spectrum communications systems