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)
03/2004
03/23/2004US6711380 Method and apparatus for reducing interference effects caused by microwave sources
03/23/2004US6711258 Apparatus and method for controlling a volume in a digital telephone
03/23/2004US6711219 Interference cancellation in a signal
03/23/2004US6711216 Method and apparatus for an ultra-wideband radio utilizing MEMS filtering
03/23/2004US6711208 Estimation of traffic-to-pilot ratios
03/23/2004US6711207 System and method for reduced power consumption in digital subscriber line modems
03/23/2004US6711205 Tone detector for use in a modem
03/23/2004US6711145 Spread spectrum base station notch filtering transmitted signals
03/23/2004US6710891 Sheet media system having radio-frequency identification transponder
03/23/2004US6710816 Digital broadcast receiver and method for receiving and outputting digital broadcasts
03/23/2004US6710745 High-frequency communication apparatus and method of manufacturing the same
03/23/2004US6710651 Systems and methods for controlling output power in a communication device
03/23/2004CA2410389C Advanced set top terminal for cable television delivery systems
03/23/2004CA2317621C A transmitter architecture employing space time spreading and orthogonal transmit diversity techniques
03/23/2004CA2245194C Spread spectrum signal generating device and method in transmitter of mobile communications system
03/18/2004WO2004023781A2 Partial band reconstruction of frequency channelized filters
03/18/2004WO2004023704A2 Extended algorithm data estimator
03/18/2004WO2004023696A2 Scaling using gain factors for use in data detection for wireless code division multiple access communication systems
03/18/2004WO2004023671A1 A wireless system
03/18/2004WO2004023670A1 A 2v spdt switch for high power rf wireless applications
03/18/2004WO2004023669A1 Circuit arrangement comprising a high-frequency mixer and a receiver device provided with the circuit arrangement
03/18/2004WO2004023667A1 Direct-conversion transceiver enabling digital calibration
03/18/2004WO2004023666A1 Method and system for reducing the effect of signal-interference in null-areas caused by one or more antennas
03/18/2004WO2004023652A1 Device comprising two mutually adapted impedances for the purpose of power transmission
03/18/2004WO2004023649A1 Electronic component for amplifying high frequency power and radio communication system
03/18/2004WO2004023642A1 Receiver and its adjustment system and method
03/18/2004WO2004023637A1 A power supply
03/18/2004WO2004023378A2 An rfid tag and communication protocol for long range tag communications and power efficiency
03/18/2004WO2004023278A2 Method and system for providing self-calibration for adaptively adjusting a power supply voltage in a digital processing system
03/18/2004WO2004008791A3 Transmission of an emergency call message to an emergency call recipient
03/18/2004WO2003105383A8 A method and apparatus of spread space-time block coding
03/18/2004WO2003096580A3 Synchronization for extending battery life
03/18/2004WO2003021972A3 Multi-user detection
03/18/2004WO2003021453A3 Generic serial port architecture and system
03/18/2004WO2002100005A3 A method of cellular communication
03/18/2004US20040055011 Apparatus and method for displaying a television video signal and data in a mobile terminal according to a mode thereof
03/18/2004US20040055009 Digital broadcast receiving apparatus
03/18/2004US20040054946 System and method for assessing compatibility risk
03/18/2004US20040054763 Method for minimizing connection time for data synchronization
03/18/2004US20040054652 Data filtering for adapting data delivery to diverse client devices
03/18/2004US20040054650 File downloading apparatus and method for mobile communication system
03/18/2004US20040053631 Electronic systems
03/18/2004US20040053621 Radio communication system, radio communication apparatus, radio communication method, and computer program
03/18/2004US20040053612 Method and apparatus for optimizing search rate and finger assignment rate
03/18/2004US20040053597 Method for managing processing resources in a mobile radiocommunication system
03/18/2004US20040053595 High frequency semiconductor integrated circuit and radio communication system
03/18/2004US20040053592 Assessment of delay estimation quality using interference estimates
03/18/2004US20040053591 Calibration of a phase locked loop
03/18/2004US20040053589 Antenna assembly with a capability to remember the frequency of remote signals and to search for and memorize wireless frequency bands
03/18/2004US20040053586 Combined discrete automatic gain control (AGC) and DC estimation
03/18/2004US20040053584 Recharging method and apparatus
03/18/2004US20040053582 Portable radio device having antenna switching function
03/18/2004US20040053580 Transmitting device
03/18/2004US20040053576 Device for optimising a transmitter in accordance with transmission conditions, and reference receiver and transmitter for use in said device
03/18/2004US20040053520 Electronic device
03/18/2004US20040053034 Method for shielding at least the upper part of a radiocommunication module, and corresponding radiocommunication module
03/18/2004US20040052384 Noise suppression
03/18/2004US20040052382 Automatic switching bi-directional vehicle-used speaker
03/18/2004US20040052372 Software radio system and method
03/18/2004US20040052344 Method and apparatus for coupling a voiceband modem circuit to a common phoneline connector
03/18/2004US20040052315 Multi strata system
03/18/2004US20040052314 Crest factor reduction processor for wireless communications
03/18/2004US20040052312 Multi-mode envelope restoration architecture for RF transmitters
03/18/2004US20040052306 Channel estimation in a spread spectrum receiver
03/18/2004US20040052305 Construction of an interference matrix for a coded signal processing engine
03/18/2004US20040052304 Robust delay estimation architecture
03/18/2004US20040052303 Method and device for detection of data transmitted by spectrum spreading
03/18/2004US20040052302 PN generators for spread spectrum communications systems
03/18/2004US20040052301 Method for using encoded spreading codes to achieve high bit densities in a direct-sequence spread spectrum communication system
03/18/2004US20040052272 Method facilitating inter-mode handoff
03/18/2004US20040052271 Mode switching in transceiver of a mobile terminal
03/18/2004US20040052236 Apparatus and method for joint detection receiving irrespective of orthogonal code length in mobile communication system
03/18/2004US20040052229 System for efficient recovery of Node-B buffered data following MAC layer reset
03/18/2004US20040052214 System for routing data via the best communications link based on data size, type and urgency and priority
03/18/2004US20040051816 Broadcasting receiver and channel searching method in broadcasting receiver
03/18/2004US20040051674 Communication terminal with antenna
03/18/2004US20040051671 Electronic device with automatic antenna
03/18/2004US20040051627 Modulator for electromagnetic signals transmitted by a contactless transmission/reception system
03/18/2004US20040051583 Transmitter including a composite amplifier
03/18/2004US20040051122 Semiconductor integrated circuit device
03/18/2004US20040051095 Communication semiconductor integrated circuit and radio communication system
03/18/2004DE20317855U1 Multiplayer reads music from digital source connected to input port and converts to radio transmission for reception by radio receiver
03/18/2004DE19919368B4 Mobilfunk-Endgerät und Verfahren zu dessen Betrieb Mobile terminal and method for operating the
03/18/2004DE10340587A1 System und Verfahren zum Verarbeiten von Information und Daten in Mobiltelefonen System and method for processing information and data in mobile telephones
03/18/2004DE10337089A1 Sammlung interner Informationen eines Mobilkommunikationsendgeräts durch ein externes Modul Collection of internal information of a mobile communication terminal by an external module
03/18/2004DE10252090A1 Device and process for the parallel reception of radio signals of differing standards has receiver which can also act as a digital filter
03/18/2004DE10248756A1 Radio communications device for mobile telephones has a reduced specific absorption rate with a printed circuit board linked to an antenna to emit/receive electromagnetic radio radiation fields
03/18/2004DE10241660A1 Method for temperature control in communications terminal e.g. in mobile RF network systems, has temperature measured within communications terminal for pre-determined time intervals
03/18/2004DE10241580A1 Headband for fixing radiotelephone on user's head, includes adapter for mechanically matching between holder and telephone for differently shaped telephones
03/18/2004DE10239303A1 Energieautark modulierter Backscatter-Transponder Energy self-sufficient modulated backscatter transponder
03/18/2004DE10135199B4 Breites Tastenfeld und Montagestruktur für breites Tastenfeld für die Verhinderung von elektrostatischen Endladungen Wide keypad and mounting structure for wide keypad for preventing electrostatic Endladungen
03/18/2004DE10101911B4 Signalverarbeitung eines amplituden- und/oder phasenmodulierten Hochfrequenzsignals Signal processing of an amplitude and / or phase-modulated high-frequency signal
03/18/2004CA2498020A1 Extended algorithm data estimator
03/18/2004CA2497692A1 Method and system for reducing the effect of signal-interference in null-areas caused by one or more antennas
03/18/2004CA2492677A1 Scaling using gain factors for use in data detection for wireless code division multiple access communication systems
03/17/2004EP1398963A2 Broadcast receiving apparatus and broadcast receiving method
03/17/2004EP1398930A1 Radio-frequency-signal-receiver and method of manufacturing the same
03/17/2004EP1398889A1 Frequency error detector and combiner in receiving end of mobile communication system
03/17/2004EP1398888A1 Adaptive array antenna reception apparatus and method
03/17/2004EP1398887A1 Dual band diversity receiver