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)
07/2003
07/24/2003WO2003010553A3 First-arriving-pulse detection apparatus and associated methods
07/24/2003WO2003009608A3 Method for synchronising radio terminals in a radio communication system
07/24/2003WO2003007513A3 Apparatus and methods for detecting the usage of a cellular phone by an operator of a vehicle
07/24/2003WO2002098028A3 Method and arrangement for digital transmission using am emitters
07/24/2003WO2002054606A3 Zero intermediate frequency receiver using packet acquisition and channel tracking
07/24/2003WO2002027925A3 Apparatus and method for optimizing the level of rf signals
07/24/2003US20030139879 GPS receiver and method for processing GPS signals
07/24/2003US20030139207 Wireless communication device and method of switching power supply
07/24/2003US20030139206 Portable telephone and method of displaying data thereof
07/24/2003US20030139204 Apparatus and method for monitoring an earmicrophone state in a communication terminal
07/24/2003US20030139195 Method and apparatus for broadcasting with spatially diverse signals
07/24/2003US20030139169 Combination insulated container and entertainment center
07/24/2003US20030139168 Methods and systems for down-converting electromagnetic signals, and applications thereof
07/24/2003US20030139167 System and method for I-Q mismatch compensation in a low IF or zero IF receiver
07/24/2003US20030139166 Direct conversion receiver architecture
07/24/2003US20030139165 Adaptive threshold algorithm for real-time wavelet de-noising applications
07/24/2003US20030139162 Method and apparatus for generating a self-correcting local oscillation
07/24/2003US20030139161 Direct conversion of low power high linearity receiver
07/24/2003US20030139159 Protective circuit and radio frequency device using the same
07/24/2003US20030139158 High frequency regenerative direct detector
07/24/2003US20030139157 AGC circuit of an FM receiver that reduces interference while maintaining high reception sensitivity
07/24/2003US20030139156 Power switching unit of a portable telephone capable of monitoring and controlling a battery supply voltage thereof
07/24/2003US20030139155 Self-power generation type transmitter
07/24/2003US20030139154 Radio terminal and fault detection method
07/24/2003US20030139151 Method and system for communication backward compatibility
07/24/2003US20030139149 Joint apparatus for personal digital assistant (PDA) and multimedia module
07/24/2003US20030139147 Radio frequency integrated circuit
07/24/2003US20030139138 Apparatus and method for automatically switching communication/communication supression mode of wireless communication terminal
07/24/2003US20030139136 System and method for optimizing bluetooth transmissions to overcome signal interference
07/24/2003US20030138181 Optical duobinary single sideband modulator
07/24/2003US20030138066 Encoder and method for efficient synchronisation channel encoding in UTRA TDD mode
07/24/2003US20030138065 Power and confidence ordered low complexity soft turbomud with voting system
07/24/2003US20030138057 Encoder and decoder
07/24/2003US20030138041 Difference messaging protocol that uses prior state information
07/24/2003US20030138035 Voting system for improving the performance of single-user decoders within an iterative multi-user detection system
07/24/2003US20030138034 Direct conversion RF transceiver with automatic frequency control
07/24/2003US20030138032 Direct conversion RF transceiver for wireless communications
07/24/2003US20030138031 Spread spectrum transmitter and spread spectrum receiver
07/24/2003US20030138030 Configurable terminal engine
07/24/2003US20030138029 Intergrated, High-performance, low-cost spread spectrum data access system and method
07/24/2003US20030137996 Acquisition of a gated pilot signal
07/24/2003US20030137972 Method and device for synchronizing data transfer devices
07/24/2003US20030137969 Time synchronisation for mobile systems
07/24/2003US20030137964 Satellite broadcasting system
07/24/2003US20030137963 Satellite broadcasting system
07/24/2003US20030137958 Spread spectrum communication device and spread spectrum communication method
07/24/2003US20030137957 Radio transmitting and receiving device and radio communication system
07/24/2003US20030137956 Method and system for multiple-shift code acquisition of optical orthogonal codes in optical CDMA systems
07/24/2003US20030137949 Method and an electronic circuit for clipping of signals
07/24/2003US20030137608 Tuner integrated circuit and television tuner using the same circuit
07/24/2003US20030137468 Antenna unit using helical hinge spring
07/24/2003US20030137446 Transponder, including transponder system
07/24/2003US20030137403 Methods and apparatuses for identification
07/24/2003US20030137370 Dielectric resonator, inductor, capacitor, dielectric filter, oscillator, and communication device
07/24/2003US20030137364 Antenna duplexer
07/24/2003US20030137348 Predistortion-based amplifier, transmitter and envelope detector
07/24/2003US20030137347 High frequency power amplifier and wireless communication module
07/24/2003US20030137346 Transmitter including a composite amplifier
07/24/2003US20030137338 Electronic apparatus
07/24/2003US20030136967 High-isolation semiconductor device
07/24/2003CA2473233A1 Apparatus and method for determining combiner weights and log-likelihood ratios for symbols transmitted in a wireless communication system
07/24/2003CA2471402A1 Wireless intercom system
07/23/2003EP1330136A1 Method of cell initial search in cdma digital mobile telecommunication system
07/23/2003EP1330093A2 Multiresolution transmission
07/23/2003EP1330092A2 Multiresolution transmission
07/23/2003EP1330090A2 Multiresolution transmission with multicarrier modulation
07/23/2003EP1330089A2 Multiresoltion transmission and error correction coding with multicarrier signals
07/23/2003EP1330088A2 Multiresolution transmission
07/23/2003EP1330063A1 Signal multiplexer
07/23/2003EP1330059A1 Radio communication apparatus, transmitter apparatus and receiver apparatus
07/23/2003EP1330045A1 Transmitter and receiver of spectrum spread communication system, and modulation and demodulation methods thereof
07/23/2003EP1330044A2 A direct conversion RF transceiver with automatic frequency control
07/23/2003EP1330043A2 A direct conversion RF transceiver with automatic transmit power control
07/23/2003EP1330042A1 Five-port topology for direct down-conversion
07/23/2003EP1330041A1 A method and an apparatus for improving the carriers' output power of a broadband multi-carrier base-station
07/23/2003EP1330030A1 Integrated tuner circuit
07/23/2003EP1330024A2 AGC circuit for an FM receiver
07/23/2003EP1330023A2 Direct conversion receiver architecture
07/23/2003EP1330021A2 Switchable power amplifier
07/23/2003EP1329981A2 Antenna unit using helical hinge spring
07/23/2003EP1329085A1 Communications terminal
07/23/2003EP1329084A2 User interface for a portable communication device
07/23/2003EP1329036A2 Method and apparatus for power control in a wireless communication system
07/23/2003EP1329035A1 Communication system
07/23/2003EP1329033A1 Diversity Receiver for Radio Communications
07/23/2003EP1329032A2 Multi-user detector for direct sequence - code division multiple access (ds/cdma) channels
07/23/2003EP1329031A1 Multi-user detection in a cdma communication system
07/23/2003EP1329030A1 Multiband terminal
07/23/2003EP1329029A2 Zero if transceiver
07/23/2003EP1329028A1 Subharmonic mixer circuit and method
07/23/2003EP1329027A2 Filter for electromagnetically transmitted signals
07/23/2003EP1329018A1 Reducing the dc offset of a homodyne receiver
07/23/2003EP1328999A1 A portable communication apparatus having a display and an antenna with a plane radiating member
07/23/2003EP1328923A1 Perceptually improved encoding of acoustic signals
07/23/2003EP1299960A4 A reverse synchronization method in a wireless system
07/23/2003EP1219039B1 Device and method for processing a digital data signal in a cdma radio transmitter
07/23/2003EP1173931A4 Cell search appratus and method in cdma mobile communication system
07/23/2003EP1048122B1 Interchangeable shield for a radio communication device
07/23/2003EP0986882B1 Time variable adaptation method and data receiver
07/23/2003EP0860071A4 System and method for multiplexing a spread spectrum communication system
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