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)
09/2005
09/07/2005CN1665245A The mobile telephone automatic opening and closing device
09/07/2005CN1665244A A semi-automatic sliding mobile communication terminal
09/07/2005CN1665242A Mobile phone capable of input of phone number without manipulating buttons and method of inputting phone number to the same
09/07/2005CN1665178A Digital audio/multimedia broadcasting receiver
09/07/2005CN1665174A Apparatus for providing node protection in optical network and implementing method thereof
09/07/2005CN1665171A A base station, a mobile station, a radio communications system, and a radio transmission method
09/07/2005CN1665166A Adaptive modulation scheme and data rate control method
09/07/2005CN1665163A Spread-spectrum changeable base station
09/07/2005CN1665154A An embedded system in-band reset method and apparatus thereof
09/07/2005CN1665153A Application-specific integrated circuits checking apparatus and method based on peripherial element expansion interface card
09/07/2005CN1665152A Method for controlling RF switch inversion according to SCDMA downstream synchronization code word
09/07/2005CN1665151A Method for controlling RF switch inversion according to SCDMA signal strength
09/07/2005CN1665150A Method and apparatus for frequency correction
09/07/2005CN1665149A Rechargeable double-purpose transceiver for sound information application
09/07/2005CN1665148A 数字广播接收及播放装置 Digital broadcast reception and playback device
09/07/2005CN1665147A FM wireless transmission outdoor sound equipment system
09/07/2005CN1665146A Multi-signal constant envelope synthesizing method and equipment thereof
09/07/2005CN1665132A Sending/receiving filter and manufacturing method thereof
09/07/2005CN1664769A Display method of the chinese mobile communication terminal simple english pop-up type word compiling window
09/07/2005CN1664759A Method for inputting emoticons on a mobile terminal
09/07/2005CN1664731A Method for convert circuit to electricity saving mode and circuit laying method thereof
09/07/2005CN1664724A Standard time signal receiving time device and decoding method of time code signal
09/07/2005CN1664638A Camera lens assembly and portable terminal having the same
09/07/2005CN1218608C Method and apparatus for measuring timing of signals received from multiple base stations in a CDMA communication system
09/07/2005CN1218607C Efficient detection of general paging messages in environment of poor signal-to-noise ratio
09/07/2005CN1218599C Folding communication terminal having two displays
09/07/2005CN1218596C Energy saving circuit for controlling mobile communication terminal display by working status
09/07/2005CN1218594C Feedback modulating circuit
09/07/2005CN1218545C Frequency correction in pilot symbol assisted demodulator
09/07/2005CN1218526C A scrambler for generating scrambling sequence and scrambling method thereof
09/07/2005CN1218525C Method and system for elimination interference in multi-cell CDMA system
09/07/2005CN1218524C Spread spectrum communicating method
09/07/2005CN1218521C Channel time sequence distributing method suitable for high-speed data transmission of time division duplex system
09/07/2005CN1218518C Transmission gap interference measurement
09/07/2005CN1218513C Method for synchronizing received CDMA signal
09/07/2005CN1218511C Temperature transmission control of wireless data modem
09/07/2005CN1218508C Secondary station and method of operating station
09/07/2005CN1218504C Method for generating a cyclic sequence of frequencies
09/07/2005CN1218503C Method of splitting signal and signal processing circuit and apparatus utilizing same
09/07/2005CN1218502C CDMA receiver and receiving method thereof
09/07/2005CN1218500C Double frequency band transceiver and its control method
09/07/2005CN1218499C Multi-mode radiotelephone including glue circuits and related methods and circuits
09/07/2005CN1218498C Multi-band transceiver utilizing direct conversion receiver and direct conversion receiver
09/07/2005CN1218497C Elastic surface wave apparatus and communicating device
09/07/2005CN1218496C A novel low-cost/low-power analog transceiver architecture
09/07/2005CN1218495C Radio signal receiving system
09/07/2005CN1218494C Radio receiver
09/07/2005CN1218481C High-frequency input stage
09/07/2005CN1218477C Parallel amplifier architecture using digital phase control techniques
09/07/2005CN1218475C Adaptive linearization of power amplifiers
09/07/2005CN1218474C Power modulation systems and methods that separately amplify low and high frequency portions of an amplitude waveform
09/07/2005CN1218431C Communication equipment, vehicular radio, base station and power controlling method
09/07/2005CN1218402C Compound semiconductor switch circuit apparatus
09/07/2005CN1218192C Encapsulated antenna in passive transponders
09/06/2005US6941493 Memory subsystem including an error detection mechanism for address and control signals
09/06/2005US6941491 Method of debugging using a USB connecting system
09/06/2005US6941396 Storage controller redundancy using bi-directional reflective memory channel
09/06/2005US6941153 Radio communication apparatus having more channel capacity and less feedback information, and method therefor
09/06/2005US6941122 Circuit for compensating temperature of automatic gain control circuit
09/06/2005US6941121 Method for calibrating a DC offset cancellation level for direct conversion receivers
09/06/2005US6941120 Apparatus and method for automatically programming frequency scanning radio receivers
09/06/2005US6941119 Redundancy scheme for the radio frequency front end of a broadband wireless hub
09/06/2005US6941118 Negative feedback amplifier and method of controlling loop gain thereof
09/06/2005US6941117 Portable radio having pivotable antenna
09/06/2005US6941114 USB-based wireless transmitting/receiving system
09/06/2005US6941113 Transceiver capable of adaptively selecting a modulation method based on the transmission power and channel condition
09/06/2005US6941112 Gain control amplification circuit and terminal equipment having the same
09/06/2005US6941110 Mitigating interference with frequency hopping signals by deriving future hop frequencies
09/06/2005US6941106 Structure for reducing intermodulation interference in satellite signal transmission
09/06/2005US6940987 Techniques for improving audio clarity and intelligibility at reduced bit rates over a digital network
09/06/2005US6940982 Adaptive noise cancellation (ANC) for DVD systems
09/06/2005US6940936 Alternate timing signal for a vestigial sideband modulator
09/06/2005US6940935 System and method for aligning data between local and remote sources thereof
09/06/2005US6940930 Automatic burst mode I/Q gain and I/Q phase calibration using packet based-fixed correction coefficients
09/06/2005US6940909 Video decoding during I-frame decode at resolution change
09/06/2005US6940906 Moving picture encoding apparatus
09/06/2005US6940895 Receiver for wireless telecommunication stations and method
09/06/2005US6940894 Power estimation using weighted sum of pilot and non-pilot symbols
09/06/2005US6940893 High-speed indoor wireless chirp spread spectrum data link
09/06/2005US6940892 Spread spectrum transmission apparatus, spread spectrum reception apparatus, and spread spectrum communication system
09/06/2005US6940875 Continuously adjusted-bandwidth discrete-time phase-locked loop
09/06/2005US6940868 Digital serial communications hub
09/06/2005US6940843 Selecting an access point according to a measure of received signal quality
09/06/2005US6940842 System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system
09/06/2005US6940841 Packet-switched spread-spectrum system
09/06/2005US6940840 Apparatus for adaptive reverse power control for spread-spectrum communications
09/06/2005US6940839 Downlink power control method and CDMA communication system incorporating the control method
09/06/2005US6940837 Spread spectrum demodulator
09/06/2005US6940827 Communication system using OFDM for one direction and DSSS for another direction
09/06/2005US6940823 Wide band radio transmission method
09/06/2005US6940563 Language switching method and digital broadcast receiver using the method
09/06/2005US6940510 System and method for displaying font in a wireless telephone
09/06/2005US6940467 Circuit arrangement and method for deriving electrical power from an electromagnetic field
09/06/2005US6940466 Enhanced magnetic field communication system
09/06/2005US6940462 Broadband dipole antenna to be worn by a user and associated methods
09/06/2005US6940460 Apparatus and method for enhancing low-frequency operation of mobile communication antennas
09/06/2005US6940428 Apparatus and method for decoding
09/06/2005US6940406 Gate entry system using short range radio communications with user terminal devices
09/06/2005US6940358 Method and apparatus for tuning RF integrated LC filters
09/06/2005US6940349 Transmitter including a composite amplifier