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)
04/2003
04/29/2003US6556845 Base station device and transmission method
04/29/2003US6556843 IC card and communication system using IC card
04/29/2003US6556839 Apparatus for and method of controlling transmission power
04/29/2003US6556836 Point-to-point, millimeter wave, dual band free space gigabit per second communication link
04/29/2003US6556815 Transmitting circuit in which damage to power amplifier due to reflected wave is prevented and transmitter-receiver provided with the transmitting circuit
04/29/2003US6556814 Memory-based amplifier load adjust system
04/29/2003US6556813 Universal transmitter
04/29/2003US6556811 Transceiver unit
04/29/2003US6556634 Maximum likelihood rake receiver for use in a code division, multiple access wireless communication system
04/29/2003US6556631 RDS data demodulator capable of precisely attenuating ARI signal
04/29/2003US6556630 Dual band telemetry system
04/29/2003US6556629 Orthogonal signal transmitter
04/29/2003US6556622 Seamless transition between communication characteristics of communication devices
04/29/2003US6556621 System for fast lock and acquisition of ultra-wideband signals
04/29/2003US6556620 Synchronization acquisition device for both preventing erroneous detection due to noise and reducing required storage capacity
04/29/2003US6556619 Frequency adjusting circuit in code division multiple access communication system
04/29/2003US6556618 Transmitter, receiver and method in a telecommunication system for generating PN sequences for a plurality of user channels
04/29/2003US6556616 Data terminal and coding method for increased packet reliability in a frequency hopping system
04/29/2003US6556615 Wide correlated optimized code multipath reduction
04/29/2003US6556557 Method and system for reducing of peak-to-average power ratio of transmission signals comprising overlapping waveforms
04/29/2003US6556555 Method for calculating the PN generator mask to obtain a desired shift of the PN code
04/29/2003US6556554 Device and method for communicating power control signals in mobile communication system
04/29/2003US6556552 Signal strength measurement method and device
04/29/2003US6556551 Multi-frequency pilot beacon for CDMA systems
04/29/2003US6556545 Frequency generation for CDMA terminal with slotted receive mode
04/29/2003US6556255 Method and apparatus for generating and resetting melody for remote controller function keys
04/29/2003US6556167 Direct acquisition of very large PN sequences in GPS systems
04/29/2003US6556146 Radio-interrogated surface-wave technology sensor
04/29/2003US6556126 Wireless recording medium, gate system & transactions system
04/29/2003US6556107 Dielectric resonator, inductor, capacitor, dielectric filter, oscillator, and communication device
04/29/2003US6556079 Distortion compensating device and method for compensating distortion
04/29/2003US6554239 Cradle for connecting two hand-held devices to form a single unit
04/29/2003CA2410175A1 Audio routing for an automobile
04/29/2003CA2293465C Device and method for reducing the peak-to-average power ratio of a mobile station's transmit power
04/29/2003CA2289645C Channel communication device and method for cdma communication system
04/29/2003CA2270827C Pseudorandom binary sequence block shifter
04/24/2003WO2003034732A1 Interactive protocol for remote management of access control to scrambled data
04/24/2003WO2003034715A2 Monolithic integrated circuit for a television receiver
04/24/2003WO2003034695A1 Textual and telephony dual input device
04/24/2003WO2003034645A1 Multiple-access hybrid ofdm-cdma system with frequency-domain spreading
04/24/2003WO2003034632A2 Method and device for data communication in a multi-user system
04/24/2003WO2003034606A1 METHOD AND ARRANGEMENT FOR ASYNCHRONOUS PROCESSING OF CCTrCH DATA
04/24/2003WO2003034605A1 Ray classification
04/24/2003WO2003034604A1 Finger using chip-rate weighting in smart antenna system, and its application for demodulation apparatus and method
04/24/2003WO2003034603A1 Mobile communication system having multi-band antenna
04/24/2003WO2003034602A1 Direct conversion receiver
04/24/2003WO2003034601A1 Wireless lan
04/24/2003WO2003034599A2 System for improved power savings during full dtx mode of operation in the downlink
04/24/2003WO2003034586A1 Rf power amplifier circuit
04/24/2003WO2003034585A1 Method and arrangement for a power amplifier
04/24/2003WO2003034537A1 Mobile radiotelephone apparatus comprising a correction element reducing specific absorption rate
04/24/2003WO2003034185A2 Method and system for dsl power saving
04/24/2003WO2003034090A2 Variable bandwidth code-tracking loop with improved signal dynamics loop noise and sensitivity
04/24/2003WO2003021972A8 Multi-user detection
04/24/2003WO2003009099A3 Use of orthogonal or near orthogonal codes in reverse link
04/24/2003WO2002103645A3 Wireless identification system and protocol
04/24/2003WO2002039600A3 Communication device with multiple detachable communication modules
04/24/2003WO2002015629A9 Communication system, method thereof, switching center thereof and base station control station thereof
04/24/2003US20030079234 System and a method of producing a picture and/or sound signal on the background of the execution of multimedia content
04/24/2003US20030079048 Basic architecture for software environment of radio terminal and method of handling events in the same
04/24/2003US20030078685 Intellegent transmitter receiver system and its operation method
04/24/2003US20030078076 Portable telephone
04/24/2003US20030078073 Speaker module connectable to an earphone jack of mobile phone and method for using same
04/24/2003US20030078068 Communication apparatus having a retractable antenna and method of operating the communication apparatus
04/24/2003US20030078067 Reverse closed loop power control in control hold state for CDMA communication system
04/24/2003US20030078054 Telephone device
04/24/2003US20030078028 Receiver system
04/24/2003US20030078022 Methods and circuitry for reducing intermodulation in integrated transceivers
04/24/2003US20030078018 Radio frequency tuner front end and tuner
04/24/2003US20030078017 Mixer for dual conversion receiver
04/24/2003US20030078016 Direct synthesis transmitter
04/24/2003US20030078013 Timing and frequency control method and circuit for digital wireless telephone system terminals
04/24/2003US20030078011 Method for integrating a plurality of radio systems in a unified transceiver structure and the device of the same
04/24/2003US20030078009 Stereo radio receiver with noise suppression
04/24/2003US20030078007 Method and apparatus for continuously controlling the dynamic range from an analog-to-digital converter
04/24/2003US20030078006 Remote radio data communication system with data rate switching
04/24/2003US20030077030 Protection in mixed optical wdm systems
04/24/2003US20030076968 Method and system of controlling automotive equipment remotely
04/24/2003US20030076953 Mobile phone securing device
04/24/2003US20030076951 Adapter for portable telephone usable as mobile telephone in vehicle
04/24/2003US20030076908 Signal detection by a receiver in a multiple antenna time-dispersive system
04/24/2003US20030076898 Digital modulation system using extended code set
04/24/2003US20030076896 Method and apparatus for the linearization of a radio frequency high-power amplifier
04/24/2003US20030076895 Method and apparatus for preventing interference
04/24/2003US20030076892 Methods and apparatus for a spread spectrum modulated backscatter electronic shelf label system
04/24/2003US20030076887 Digital TV system with PVR function and method for making stream jump therein
04/24/2003US20030076877 Code division multiple access signal receiving apparatus
04/24/2003US20030076876 Method of performing code synchronization, and receiver
04/24/2003US20030076875 Hardware and software for performing computations in a short-code spread-spectrum communications system
04/24/2003US20030076874 Reverse synchronization method in a wireless system
04/24/2003US20030076873 Interleaver decorrelation in data transmitting and receiving devices
04/24/2003US20030076872 Method and apparatus for enhancing data rates in spread spectrum communication systems
04/24/2003US20030076871 Dual paging channel receiver for a wireless communications system
04/24/2003US20030076870 Transceiver apparatus and method for efficient high-speed data retransmission and decoding in a CDMA mobile communication system
04/24/2003US20030076853 Dual channel remote terminal
04/24/2003US20030076812 Method for optimizing the random access procedures in the cdma cellular networks
04/24/2003US20030076807 Transmission apparatus and base station apparatus using the same
04/24/2003US20030076802 Modularly clustered radiotelephone system
04/24/2003US20030076801 Cell search controller and cell search control method
04/24/2003US20030076800 CDMA receiver, and path selection method
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