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)
04/2006
04/26/2006EP1046241B1 A method using codebook indexing to achieve high bit densities in a ds-cdma-ss communication system
04/26/2006EP1044400B1 Internet-based service for updating a programmable control device
04/26/2006EP0966797B8 Highly bandwidth-efficient communications
04/26/2006EP0746912B1 Signalling techniques and device for high speed data transmission over voiceband channels
04/26/2006CN2776001Y Anti-radiation anti-interference device for cell phone earphone
04/26/2006CN2775977Y Smart cell phone base station signal amplifying device
04/26/2006CN2775940Y Mobile communication terminal capable of detecting ultraviolet index
04/26/2006CN2775939Y Frequency selector for direct sending station of mobile communication
04/26/2006CN1765108A Method and system for requesting photographs
04/26/2006CN1765093A Transmission schemes for multi-antenna communication systems utilizing multi-carrier modulation
04/26/2006CN1765074A Apparatus and method for OFDM reception
04/26/2006CN1765066A Electronic device with antenna for wireless communication
04/26/2006CN1765065A Information processing device and communication apparatus with antenna switching function and antenna switching control device, antenna switching control program and computer read recording medium wit
04/26/2006CN1765060A Isolation trap circuit, antenna switch module and transmission circuit
04/26/2006CN1765059A 媒体播放器系统 Media player system
04/26/2006CN1765058A AM receiver and demodulator
04/26/2006CN1765057A Device, controller, method and aignal for remote control
04/26/2006CN1765029A High frequency switch module and method for controlling the same
04/26/2006CN1764312A Signal processing method in mobile terminal random access process
04/26/2006CN1764210A Mobile communication terminal with impact preventing device
04/26/2006CN1764209A Mobile communication terminal with panel protection material
04/26/2006CN1764208A Extended memory mounting structure for portable terminal with built-in cell
04/26/2006CN1764153A Method for realizing data message transmission based on RTP
04/26/2006CN1764095A Structure of downlink channel in multi carrier/ds-cdma mobile comunication system
04/26/2006CN1764090A System and device for modulating UWB pulse sequences
04/26/2006CN1764084A Mobile terminal device and antenna switch
04/26/2006CN1764080A Device and method for realizing ASC
04/26/2006CN1764079A Method and system for realizing low end access level router backup
04/26/2006CN1764078A Mobile communication terminal with GPS power supply management function
04/26/2006CN1764077A Wireless communication terminal
04/26/2006CN1764076A Apparatus and method for selecting an antenna in a digital broadcast receiving terminal
04/26/2006CN1764075A Mobile communication device capable of receiving analogy television signal
04/26/2006CN1764074A Digital multimedia broadcast signal receiver
04/26/2006CN1763883A Electronic installation and its gemel device with connector function
04/26/2006CN1254164C Portable machine hinge
04/26/2006CN1254144C Network-evaluated handover assisted by both mobile and base-stations
04/26/2006CN1254139C Wireless communication terminal
04/26/2006CN1254136C Set-up method for auto-time of asynchronous mobile communication terminal
04/26/2006CN1254132C CDMA-BLAST space-time code transmitting and receiving method based on scrambling code
04/26/2006CN1254120C Method for optimizing performance of transmitter of mobile radio system
04/26/2006CN1254093C RF system integrated with RF switch and RF modulation
04/26/2006CN1254066C Keypad assembly of mobile phone
04/26/2006CN1254038C Diversity code division multiplexing receiving equipment with only one code division multiplexing receiving part
04/26/2006CN1254035C Light wavelength channel protecting method and apparatus for compact WDM system
04/26/2006CN1254034C CDMA system multi-path searth interpolation method
04/26/2006CN1254033C Multi-path searching method and apparatus
04/26/2006CN1254032C Automatic frequency controller and method thereof
04/26/2006CN1254029C Relay device and receiving device for corss frequency-division multiplex transmitting signal
04/26/2006CN1254021C Tracking method for a multi-path resolved signal and a Rake receiver
04/26/2006CN1254020C Method and apparatus for distributing processing load for decoding paging messages in radio communication system
04/25/2006US7036045 Method and system for isolating exception related errors in Java JVM
04/25/2006US7036031 Electronic device and its power control method
04/25/2006US7035894 Method for retransmitting data efficiently in mobile communication system
04/25/2006US7035677 System and method for reducing power consumption in a wireless communications network
04/25/2006US7035676 Power saving in mobile stations
04/25/2006US7035675 Method for storing and reproducing ring tone melodies of mobile phones and system thereof
04/25/2006US7035674 Methods and systems for enabling address book selection and communication with a wireless device
04/25/2006US7035671 Method and apparatus for intelligent noise reduction in a distributed communication system
04/25/2006US7035670 Cellular phone system and mobile communication terminals and base station controlling apparatus in the system and method changing over to different frequency in the system
04/25/2006US7035668 Telephone system enabling operation of a telephone set by way of a portable terminal
04/25/2006US7035666 Combination cellular telephone, sound storage device, and email communication device
04/25/2006US7035665 Portable terminal device and wireless communication terminal device
04/25/2006US7035664 Method of operation for a mobile communication terminal capable of providing a high-speed data rate service
04/25/2006US7035646 Cordless cellular system
04/25/2006US7035632 Path loss data normalization for growth management of a cellular system
04/25/2006US7035617 High power block upconverter
04/25/2006US7035616 Two-stage variable-gain mixer employing shunt feedback
04/25/2006US7035615 Mixer circuit having improved even order noise, DC offset, and linearity characteristic
04/25/2006US7035614 System and method for discovering frequency related spurs in a multi-conversion tuner
04/25/2006US7035613 L1/L2 GPS receiver
04/25/2006US7035612 Antenna diversity communications device
04/25/2006US7035611 Apparatus and method for front-end circuitry in radio-frequency apparatus
04/25/2006US7035610 AGC circuit of receiver using several local oscillation frequencies
04/25/2006US7035608 Methods and apparatus for tuning in an inductive system
04/25/2006US7035607 Systems and methods for providing an adjustable reference signal to RF circuitry
04/25/2006US7035606 Data communication apparatus
04/25/2006US7035605 Method and device for automatic control of the frequency of a local oscillator in a DS-CDMA type receiver
04/25/2006US7035604 Communications signal amplifiers having independent power control and amplitude modulation
04/25/2006US7035603 Wireless transmitter
04/25/2006US7035602 High-frequency composite switch component
04/25/2006US7035601 Data transmission method, base station and transmitter for compensating for non-linearities in a transmission chain
04/25/2006US7035600 Digitally adaptive modulated transmitter
04/25/2006US7035599 Biased phase sweep transmit diversity
04/25/2006US7035598 Modular computer system
04/25/2006US7035597 Universal communication device
04/25/2006US7035596 Multi-mode cellular phone terminal
04/25/2006US7035595 Configurable wireless interface
04/25/2006US7035592 Radio device and method of calibration of antenna directivity
04/25/2006US7035590 Mobile communication terminal, interference cancellation system, interference cancellation method, and base station
04/25/2006US7035589 Method and system for tracking and mitigating DC offset in the presence of carrier frequency offsets
04/25/2006US7035584 Antenna phase modulator
04/25/2006US7035554 Image forming device and remote monitoring system for the same
04/25/2006US7035427 Method and system for managing, accessing and paying for the use of copyrighted electronic media
04/25/2006US7035402 Portable communication unit
04/25/2006US7035395 Digital communication system
04/25/2006US7035362 Method for clock-pulse selection in a baseband combiner and related baseband combiner
04/25/2006US7035361 Adaptive noise filtering and equalization for optimal high speed multilevel signal decoding
04/25/2006US7035360 Device and method for reducing the amplitude of signals
04/25/2006US7035359 Methods and apparatus for demodulation of a signal in a signal slot subject to a discontinuous interference signal
04/25/2006US7035349 Signal compensation circuit and demodulating circuit with high-speed and low-speed feedback loops