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)
10/2004
10/14/2004US20040201457 Radio frequency data communications device
10/14/2004US20040201453 Non-contact smart card interrogator, wherein across a transmission line from an antenna to a receiver the signal modulation varies between amplitude modulation and phase modulation
10/14/2004US20040201451 Portable transmitter contained in a hard-to-open case
10/14/2004US20040201423 Handset radiofrequency front end module in fine pitch quad flat no lead (FQFP-N) package
10/14/2004US20040201421 Apparatus, methods and articles of manufacture for power amplifier control in a communication system
10/14/2004US20040201418 Power supply processing for power amplifiers
10/14/2004US20040201415 FM signal receiver and wireless communications device using same
10/14/2004US20040200709 Portable transmitter having tact switches with front film
10/14/2004US20040200038 Rotary type hinge device for portable wireless terminal
10/14/2004DE4220228B4 Schaltungsanordnung zur Unterdrückung schmalbandiger Störsignale Circuit arrangement for suppressing narrowband interference
10/14/2004DE10315717A1 Vorrichtung zum Empfang mehrerer funkübertragener Signale Means for receiving a plurality of radio signals transmitted
10/14/2004DE10315408A1 Empfangseinheit und Verfahren zum Empfangen einer analoger Empfangssignale Receiving unit and method for receiving an analog receive signals
10/14/2004DE10312243A1 Method for determining and display of performances of code channels of CDMA signal for their management, with performances of channels detected and displayed at output
10/14/2004DE10311337B3 Coded pilot signal processing method in mobile radio receiver for mobile telecommunications provides frequency error estimation via frequency error symbol pairs obtained by decoding adjacent symbols
10/14/2004CA2493430A1 Apparatus for decoding an error correction code in a communication system and method thereof
10/13/2004EP1467538A2 Rotary type hinge device for portable wireless terminal
10/13/2004EP1467537A1 Portable communication terminal device
10/13/2004EP1467499A2 Base station, mobile station, communication system, transmission control method, and mobile station control program
10/13/2004EP1467495A1 Hitless protection switching between two redundant paths
10/13/2004EP1467494A2 Television tuner
10/13/2004EP1467493A1 Noise filter circuit
10/13/2004EP1467486A2 Program selection system for a digital television receiver
10/13/2004EP1467482A1 Feedback linearised transmitter circuit
10/13/2004EP1467434A1 Antenna and speaker configuration for a mobile radio device
10/13/2004EP1467433A1 Converter for satellite broadcasting reception
10/13/2004EP1467314A1 RFID tag comprising a battery and an antenna sharing common elements
10/13/2004EP1467221A2 GPS receiver with signal memories and parallel correlators
10/13/2004EP1466489A1 Use controller for a wireless communication device
10/13/2004EP1466488A2 Distributed wireless architecture using microcast
10/13/2004EP1466450A1 System and method for optimizing bluetooth transmissions to overcome signal interference
10/13/2004EP1466447A1 Rescue beacon
10/13/2004EP1466445A2 Coexistence of modulation schemes in a wlan
10/13/2004EP1466432A1 Self-interference removal using converter compensation in a relayed communication system
10/13/2004EP1466428A1 Multiple rf signal switching apparatus
10/13/2004EP1466422A1 Mobile terminal for cell searching via an iterative correlation system
10/13/2004EP1466421A1 Rake receiver with individual finger compensator(s)
10/13/2004EP1466420A1 Improved time tracking loop
10/13/2004EP1466419A1 Cdma system transmission matrix coefficient calculation
10/13/2004EP1466418A1 Transceiver with multi-state direct digital synthesizer driven phase locked loop
10/13/2004EP1466417A2 Wireless intercom system
10/13/2004EP1466416A1 Removable housing cover for a portable radio communication device
10/13/2004EP1466415A1 Wireless receiver without AGC
10/13/2004EP1466414A1 Transceiver set for baby monitor
10/13/2004EP1466413A1 Antenna and ground cooler
10/13/2004EP1466406A2 Direct conversion of low power high linearity receiver
10/13/2004EP1466193A1 A system and method for communicating with electronic labels
10/13/2004EP1436826A4 A high performance integrated circuit regulator with substrate transient suppression
10/13/2004EP1388241A4 Method and apparatus for computing signal correlation
10/13/2004EP1329028A4 Subharmonic mixer circuit and method
10/13/2004EP1307979B1 Cell search method and apparatus in atdma-cdma communication system
10/13/2004EP1252720B9 Architecture of a base station of a radio communications system
10/13/2004EP1210777B1 Transmission using an antenna array in a cdma communication system
10/13/2004EP1188269B1 Apparatus for encoding a transport format combination indicator for a communication system
10/13/2004EP1187358B1 Spread spectrum communication device and spread spectrum communication method
10/13/2004EP1112623B1 Method and device for detecting cdma-coded signals
10/13/2004EP1105977B1 Adaptive receiver for multipath propagation in a cdma communication system
10/13/2004EP1099341B1 Interactive television program guide with remote access
10/13/2004EP0922337B1 Adaptive communication system and method using unequal weighting of interference and noise
10/13/2004EP0910903B1 Acquisition in a gps receiver
10/13/2004EP0872061B1 A data transmission method, and a cellular radio system
10/13/2004EP0842568B1 Adaptive despreader
10/13/2004EP0782791A4 An ultrawide-band communications system and method
10/13/2004CN2648745Y Base station using low power interference signal code power to measure
10/13/2004CN2648744Y Digital signal modulating system
10/13/2004CN2648710Y User equipment for computing CDMA system transmission matrix coefficent
10/13/2004CN2648706Y Mouse imitation shape radio set
10/13/2004CN2648621Y Resonant antenna device for vehicle radio set
10/13/2004CN1537399A Circuit arrangement for switching mobile radio transmitter between two modulation modes
10/13/2004CN1537397A System and method for raising cell phone rebuild program and reprograming safety
10/13/2004CN1537370A 直接变换接收机 Direct conversion receiver
10/13/2004CN1537364A Method and appartus for joint detection of coded signal in CDMA system
10/13/2004CN1537363A Timing discriminator with merge protection
10/13/2004CN1537362A Loop diagnositc mode for ADSL modems
10/13/2004CN1537361A System and method for GPS enabled antenna
10/13/2004CN1537360A Wireless communication device
10/13/2004CN1537344A Communicatonj station comprising configuration loosely coupled antennas
10/13/2004CN1537343A Tuning multiplexer
10/13/2004CN1537276A System and method for field diagnostic wireless communication equipment system software
10/13/2004CN1537272A System and method for executing renewal command on wireless communication device
10/13/2004CN1536956A Rotary hinge equipment for protable wireless terminal
10/13/2004CN1536922A File storage space management method for mobile communication terminal
10/13/2004CN1536921A Anti-damage protection device of mobile communication terminal and its method
10/13/2004CN1536918A Directional sensor interface device of mobile communication terminal and its control method
10/13/2004CN1536917A Handbook displaying method in handset
10/13/2004CN1536912A Method for preventing mobile communication equipment from being remote controlled and become into wiretapper and its device
10/13/2004CN1536866A Stand-by of IP telephone route and recovery method
10/13/2004CN1536863A Method for transferring searched telephone number in session
10/13/2004CN1536861A XDSL test method
10/13/2004CN1536854A Impact absorbing device for portable terminal
10/13/2004CN1536819A Method for implementing dual home in next network
10/13/2004CN1536805A Channel protection method ketween plates in wavelength division multiplexing system
10/13/2004CN1536800A Satellite broadcasting system
10/13/2004CN1536783A Method of effective balancing in electric information system including mobile reveiving transmitting machine
10/13/2004CN1536778A Wireless equipment connection system
10/13/2004CN1536774A RF circuit module and base plate frame containing amplifier
10/13/2004CN1536772A Main and standby boards inverter device and its inversion method
10/13/2004CN1536771A Access control method by using key cell
10/13/2004CN1536770A Direct conversion receiver with DC offset compensation function and its compensation method
10/13/2004CN1536768A Comprossion method of two-byte character data
10/13/2004CN1536370A Device capable of displaying its cell capacity when handset is not opened