Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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
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)
10/2003
10/08/2003EP1350372A2 Calibrating the local oscillation frequency of a cdma receiver
10/08/2003EP1350359A2 Method and system of networking in uncoordinated frequency hopping piconets
10/08/2003EP1350347A1 Method and optical coder for coding a signal in an optical fibre network
10/08/2003EP1350346A2 Pre-testing and certification of multiple access codes
10/08/2003EP1350341A2 Peak power and envelope magnitude regulators and cdma transmitters featuring such regulators
10/08/2003EP1350337A2 Time-tracking for clustered demodulation elements in a spread spectrum system
10/08/2003EP1350336A2 Assigning clusters of demodulation elements in a spread spectrum system
10/08/2003EP1350335A1 A method of quadrature spreading
10/08/2003EP1350333A2 Local oscillator leakage control in direct conversion processes
10/08/2003EP1350332A2 Direct conversion digital domain control
10/08/2003EP1350331A2 Digital interface in radio-frequency apparatus and associated methods
10/08/2003EP1350330A1 Transmitting device
10/08/2003EP1350317A2 Apparatus and method for optimizing the level of rf signals based upon the information stored on a memory
10/08/2003EP1350310A2 Reduced soft output information packet selection
10/08/2003EP1350284A1 Vehicle rearview mirror assembly incorporating a communication system
10/08/2003EP1230738B1 Complex filtering/agc radio receiver architecture for low-if or zero-if
10/08/2003EP1212844B1 Detection method and device
10/08/2003EP1198878B1 Variable oscillator and filter circuit
10/08/2003EP1161807B1 Data transmission device and method
10/08/2003EP1151555B1 Method and apparatus for controlling transmission power in a potentially transmission gated or energy capped communication system
10/08/2003EP1147621B1 Communication station with automatic cable loss compensation
10/08/2003EP0981810B1 Reader for rfid system
10/08/2003CN2579091Y Customer device for data test by utilizing array processing
10/08/2003CN2579087Y Super small radio electronic toner
10/08/2003CN2579086Y Frequency modulator of low-voltage radio
10/08/2003CN2579085Y Universal remote controlled interface
10/08/2003CN2579084Y Wireless duplex communication transitting and receiving circuits
10/08/2003CN1448014A Method, transmitter and receiver for spread-spectrum digital communication by golay complementary sequence modulation
10/08/2003CN1448011A System and method for peak power reduction in multiple carrier communications systems
10/08/2003CN1448010A Method for allowing multi-user orthogonal and non-orthogonal interoperability of code channels
10/08/2003CN1448006A Appts. and method for improved chopping mixer
10/08/2003CN1447950A Antenna Generating electromagnetic field for transponder
10/08/2003CN1447615A Mobile radio communicator
10/08/2003CN1447605A System and method for distributing multiple harrow-finger tracing units in harrow shaped receiver
10/08/2003CN1447550A Circuit and method of preventing signal qualities from reduced in CDMA system
10/08/2003CN1447547A System and method for adjusting picked parameters of harrow shaped receiver
10/08/2003CN1447546A Multi-user detection device based on prior information in base station and its detection method
10/08/2003CN1447531A CDM receiver and RAKE synthesizer
10/08/2003CN1447529A Transition frequcny set with new architecture of pecker in wireless networl
10/08/2003CN1124066C Method for pre-processing wireless measured data in cellular mobil communication system
10/08/2003CN1124038C Television receiver with linking system for additional data
10/08/2003CN1124011C Radio appts.
10/08/2003CN1123999C CDMA communication method and group spreading modulator
10/08/2003CN1123997C Equalizing method for OFDM receiver and equalizer
10/08/2003CN1123990C Method and device for determination of frequency offsets in communication systems
10/08/2003CN1123987C Mobile station receiving method and mobile station receiver
10/08/2003CN1123986C Radio frequence circuit for identifying mark
10/08/2003CN1123985C Transmitter of multiple frequency radio communication system
10/08/2003CN1123984C Method of removing adjacent-jamming of amplitude modulation and circuit thereof
10/08/2003CN1123983C Radio devices including power amplifier control circuits with hardware lockouts
10/08/2003CN1123953C Modulation compensated clamp circuit
10/08/2003CN1123464C 车载电子设备 Automotive electronic equipment
10/07/2003US6631279 Pneumatic cell phone speaker assembly
10/07/2003US6631276 Base unit of radio terminal
10/07/2003US6631268 Data transmission method and radio system
10/07/2003US6631265 Apparatus and methods for tuning bandpass filters
10/07/2003US6631256 Simplified high frequency tuner and tuning method
10/07/2003US6631255 Multi-carrier receiver for a wireless telecommunication system
10/07/2003US6631196 Method and device for using an ultrasonic carrier to provide wide audio bandwidth transduction
10/07/2003US6631173 Method and arrangement for calculating correlation
10/07/2003US6631170 Radio frequency receiver
10/07/2003US6631166 Method and apparatus for signal generation and detection using unstable periodic chaotic orbits
10/07/2003US6631159 Transceiver with disconnect detector
10/07/2003US6631158 Method for updating linear feedback shift register of code generator
10/07/2003US6631157 Multi-clock matched filter for receiving signals with multipath
10/07/2003US6631111 Recording and reproducing apparatus provided with teletext recording capability
10/07/2003US6630908 Radio communications module having a test terminal to which a test probe can be connected, and electronic apparatus comprising a radio communications module
10/07/2003US6630897 Method and apparatus for signal detection in ultra wide-band communications
10/07/2003US6630874 Phase shifter and communication device using the same
10/07/2003US6630792 High frequency power source, plasma processing apparatus, inspection method for plasma processing apparatus, and plasma processing method
10/07/2003CA2222649C Antenna coupler for a portable radiotelephone
10/02/2003WO2003081916A1 A high frequency tuner
10/02/2003WO2003081906A1 Signal receiver for reveiveg simultaneously a plurality of broadcast signals
10/02/2003WO2003081869A1 Adaptive rfi canceller for dsl
10/02/2003WO2003081830A2 Xdsl multi-hybrid modem with power spectral density shaping
10/02/2003WO2003081823A1 Cdma system with frequency domain equalization
10/02/2003WO2003081817A1 METHOD AND APPARATUS PROVIDING MULTIPLE TEMPORARY BLOCK FLOW (TBF) MAPPING TO UPPER LAYER WHEN OPERATING IN GSM/EDGE RADIO ACCESS NETWORK (GERAN) A/Gb MODE
10/02/2003WO2003081810A1 Indoor cdma mobile communication system for simultaneously supplying a traffic signal, control signal and gps signal using a lan cable and control method thereof
10/02/2003WO2003081800A1 Combination of a frequency hopping method and ofdm
10/02/2003WO2003081799A1 Variable communication system
10/02/2003WO2003081798A1 Method for treating a signal in the presence of interference
10/02/2003WO2003081797A1 A coding method to create general spread spectrum sequence with zero correlation window
10/02/2003WO2003081796A1 Radiofrequency duplexing system and broadcasting or communication systems using said system
10/02/2003WO2003081795A2 Passive intermodulation interference control circuits
10/02/2003WO2003081794A1 Noise removing circuit and signal processing circuit
10/02/2003WO2003081793A1 System and method for eliminating signal zero crossings in single and multiple channel communication systems
10/02/2003WO2003081792A1 Method and apparatus using base band transformation to improve transmitter performance
10/02/2003WO2003081791A1 Transmission power control apparatus and method thereof
10/02/2003WO2003081768A2 Improving the efficiency of power amplifiers in devices using transmit beamforming
10/02/2003WO2003081767A1 Circuit arrangement for shifting the phase of an input signal and circuit arrangement for suppressing the mirror frequency
10/02/2003WO2003081713A1 High frequency module and antenna device
10/02/2003WO2003081516A1 Identification system for verifying an authorisation for access to an object, or use of an object, in particular a motor vehicle
10/02/2003WO2003081275A1 Transmit receive switch with high power protection
10/02/2003WO2003079759A2 T-spaced equalization for 1xev systems
10/02/2003WO2003069790A3 Cdma receiver with controllable functions
10/02/2003WO2002095960A3 Method and apparatus for transmitting control messages in a wireless communication system.
10/02/2003WO2002041551A3 Method and apparatus for non-linear code-division multiple access technology
10/02/2003WO2002025846A3 Calibration of a transmit branch and/or a receive branch of a quadrature transmitter and/or transceiver
10/02/2003US20030188229 System and method for managing data logging memory in a storage area network
10/02/2003US20030188216 Controlling the state of duplexing of coupling facility structures
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