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)
05/2003
05/14/2003CN1108737C Electromagnetic shield for radio telephone
05/14/2003CN1108721C Mobile radio communication apparatus
05/14/2003CN1108709C Radio pager
05/14/2003CN1108689C Portable radio receiving and/or transmitting device comprising inductive capacitive antenna
05/14/2003CN1108684C System for processing broadcast signals
05/14/2003CN1108675C Demodulating method and apparatus, receiving method and apparatus and communication apparatus
05/14/2003CN1108674C Receiving apparatus, receiving method, and terminal unit for use with radio system
05/14/2003CN1108667C Arrangement and method relating to handling of redundant signals and telecommunications system comprising the arrangement
05/14/2003CN1108666C Transponder for transmitting processed data to base station over large distance and at high data transfer rate
05/14/2003CN1108659C Device for controlling conversion gain of down converter
05/14/2003CN1108643C Small antenna for portable radio equipment
05/14/2003CN1108550C Portable information processing system and method utilizing wireless selective call receiver
05/14/2003CA2411742A1 Multi-valued fsk communication method and multi-valued fsk communication apparatus
05/13/2003US6564180 Data processing apparatus and data processing method
05/13/2003US6564075 Wrist mobile information device
05/13/2003US6564073 Portable communication device and a method for determining the power consumption thereof
05/13/2003US6564071 Transmission of data over a radio frequency channel
05/13/2003US6564069 Mobile communication apparatus
05/13/2003US6564046 Method of maintaining mobile terminal synchronization during idle communication periods
05/13/2003US6564040 Communication device and communication method
05/13/2003US6564039 Frequency generation circuit and method of operating a tranceiver
05/13/2003US6564038 Method and apparatus for suppressing interference using active shielding techniques
05/13/2003US6563931 Auditory prosthesis for adaptively filtering selected auditory component by user activation and method for doing same
05/13/2003US6563891 Automatic gain control for slotted mode operation
05/13/2003US6563886 Bit timing synchronization device and a method for the same
05/13/2003US6563883 Transmitter
05/13/2003US6563882 Write/read device for communication with transponders, having first coding means and second coding means
05/13/2003US6563880 Method and system for simultaneously broadcasting and receiving digital and analog signals
05/13/2003US6563861 Doppler spread estimation system
05/13/2003US6563860 Base station having a set of phased array antennas
05/13/2003US6563859 Receiver and receiving method in multi-carrier spread-spectrum communications
05/13/2003US6563858 Method of performing antenna diversity in spread spectrum in wireless local area network
05/13/2003US6563857 Low cost DSSS communication system
05/13/2003US6563812 Method and apparatus for detecting multiple signals in a CDMA network
05/13/2003US6563458 GPS reception system
05/13/2003US6563430 Remote control device with location dependent interface
05/13/2003US6563425 RFID passive repeater system and apparatus
05/13/2003US6563421 Security system with remote indication
05/13/2003US6563396 Composite high frequency component and mobile communication apparatus incorporating the same
05/13/2003US6563373 Filter circuit utilizing a plurality of sampling and holding circuits
05/13/2003US6563042 Radiating enclosure
05/13/2003CA2322941C Adaptive cancellation of fixed interferers
05/13/2003CA2267676C Method for wireless communication transfer with an implanted medical device
05/08/2003WO2003039189A1 Transmitter/receiver worn on strap of mask or cap
05/08/2003WO2003039140A1 Television signal receiving system
05/08/2003WO2003039139A1 Device for receiving video signals and a method of controlling one such device
05/08/2003WO2003039136A1 Re-trasmitter and digital broadcast receiving system
05/08/2003WO2003039050A1 Transmission apparatus, transmission method, transmission control program, medium containing transmission control program, reception apparatus, reception method, reception control program, and medium containing reception control program
05/08/2003WO2003039049A1 Direct conversion receiver
05/08/2003WO2003039045A2 Method and apparatus for providing multiple spread spectrum clock generator circuits with overlapping output frequencies
05/08/2003WO2003039032A1 System and method for mitigating fading of a signal at a radio receiver
05/08/2003WO2003039021A1 Parameter estimator configured to distinguish between peaks and sidelobes of correlation function
05/08/2003WO2003039020A1 Parameter estimator for a cdma receiver with a search window of variable size and/or placement
05/08/2003WO2003039019A1 Flexible rake receiver architecture
05/08/2003WO2003039016A1 Electromagnetic shield for a wireless communications device
05/08/2003WO2003039014A1 Garment with an electronic circuit
05/08/2003WO2003039012A1 Adaptive channel filter for a mobile radio receiver, and method for adaptive channel filtering
05/08/2003WO2003039010A1 Transmission apparatus and automatic gain control method thereof
05/08/2003WO2003038999A1 Tuneable filter
05/08/2003WO2003038765A1 Self-power generation type transmitter
05/08/2003WO2003038463A2 Method and apparatus for spread spectrum signal acquisition
05/08/2003WO2003025853A3 Method and apparatus for implementing precision time delays
05/08/2003WO2003019844A3 Implementing a physical layer automatic repeat request for a subscriber unit
05/08/2003WO2002095437A3 Efficient use of detectors with long dead times
05/08/2003WO2002076110A3 Method and apparatus for combined receive and transmit subsystems in cellular communication systems
05/08/2003WO2002031992A3 Signal strength compensation for mobile radio channels that considerably vary with time
05/08/2003US20030088870 Apparatus and method of providing channel map in a digital TV
05/08/2003US20030088814 Method and apparatus for logging file system operations
05/08/2003US20030088812 Ruggedized block device driver
05/08/2003US20030088804 Ruggedized block device driver
05/08/2003US20030087682 Power-saving mode for portable communication devices
05/08/2003US20030087681 Method of and arrangement for minimizing power consumption and data latency of an electro-optical reader in a wireless network
05/08/2003US20030087680 Method of operation for a mobile communication terminal capable of providing a high-speed data rate service
05/08/2003US20030087679 Mobile telephone
05/08/2003US20030087677 Self-powered wireless communication device and method of use
05/08/2003US20030087676 Speakerphone Accessory
05/08/2003US20030087674 Apparatus and method using smart antenna in FDD wireless communication system
05/08/2003US20030087670 Diode discovery power level detection
05/08/2003US20030087668 Method for managing schedule in mobile communication terminal
05/08/2003US20030087667 Wireless microphone system, voice receiving apparatus, and wireless microphone
05/08/2003US20030087660 Power estimation using weighted sum of pilot and non-pilot symbols
05/08/2003US20030087657 Slew rate limited signal strength prediction
05/08/2003US20030087626 RF power amplifier circuit
05/08/2003US20030087625 Direct-conversion receiver for a communication system using a modulation with non-constant envelope
05/08/2003US20030087624 Receiver
05/08/2003US20030087623 Mixer circuit having a preamplifier
05/08/2003US20030087622 Method and apparatus for mitigating adjacent channel interference in a wireless communication system
05/08/2003US20030087620 Frequency tracking using pilot and non-pilot symbols
05/08/2003US20030087619 Frequency conversion circuit having a low phase noise
05/08/2003US20030087618 Digital FM stereo decoder and method of operation
05/08/2003US20030087617 Radio frequency control for communication systems
05/08/2003US20030087613 Wireless communication system with variable intermediate frequency transmitter
05/08/2003US20030087612 Radio terminal device
05/08/2003US20030087611 Portable phone with changeable housing and method of assembling the same
05/08/2003US20030087609 Mobile phone with a hidden input device
05/08/2003US20030087608 Multiple purpose antenna system
05/08/2003US20030086585 Embedding auxiliary signal with multiple components into media signals
05/08/2003US20030086515 Channel adaptive equalization precoding system and method
05/08/2003US20030086514 Dynamic digital communication system control
05/08/2003US20030086513 Agc circuit