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
10/13/2004CN1536237A Opening-closing device and electronic machine using the same
10/13/2004CN1171489C Method for measuring signal to interference plus noise ratio
10/13/2004CN1171471C Communication terminal device and radio receiving method
10/13/2004CN1171447C Television receiver and tuning control method
10/13/2004CN1171445C A method and device for on-screen displaying program information and means comprising code for performing such method
10/13/2004CN1171421C Direct-convertion receiver
10/13/2004CN1171410C Multiuser reveiver
10/13/2004CN1171397C Method for generating complex quasi-ortrhogonal code and apparatus and method for spreading channel
10/13/2004CN1171395C Radio device and method of calibration of antenna directivity
10/13/2004CN1171355C Antenna device and redio equipment containing said antenna
10/13/2004CN1171352C Radio Transmitter and transmission directivity adjusting method
10/13/2004CN1171001C Hinged device
10/12/2004US6804796 Method and test tool for verifying the functionality of a software based unit
10/12/2004US6804542 Sleep modes in peer-to-peer communications
10/12/2004US6804541 PC card integrated radio communication apparatus
10/12/2004US6804511 Radio controlling apparatus
10/12/2004US6804504 Audio processing system
10/12/2004US6804503 Communication device with a self-calibrating sleep timer
10/12/2004US6804501 Receiver having gain control and narrowband interference detection
10/12/2004US6804500 High frequency circuit using high output amplifier cell block and low output amplifier cell block
10/12/2004US6804499 Power-mixer architecture for a transmitter
10/12/2004US6804497 Partitioned radio-frequency apparatus and associated methods
10/12/2004US6804496 Communicating in the presence of periodic microwave noise
10/12/2004US6804494 System and method for the detection and compensation of radio signal time of arrival errors
10/12/2004US6804379 Digital watermarks and postage
10/12/2004US6804378 Methods and products employing biometrics and steganography
10/12/2004US6804359 Signal processor for reducing undesirable signal content
10/12/2004US6804349 Hybrid transceiver circuit
10/12/2004US6804315 Method for establishing a communication link
10/12/2004US6804314 Synchronism judgment apparatus and communication system
10/12/2004US6804310 Decision feedback loop apparatus and method for channel estimation and de-rotation using burst pilot bits
10/12/2004US6804308 Receiver including frequency down-converter and analog-to-digital converter for a wireless telecommunication system
10/12/2004US6804294 Method and apparatus for video frame selection for improved coding quality at low bit-rates
10/12/2004US6804291 Device and method of digital gain programming using sigma-delta modulator
10/12/2004US6804290 Method of acquiring signal code phases and geographic positioning receiver
10/12/2004US6804289 Wireless communication system and method of controlling same
10/12/2004US6804264 Pilot signals for synchronization and/or channel estimation
10/12/2004US6804223 Reverse link pilot integrated with block codes
10/12/2004US6804220 Method and apparatus for generating control information for packet data
10/12/2004US6804219 Data transmitting method in a CDMA system
10/12/2004US6804218 Method and apparatus for improved detection of rate errors in variable rate receivers
10/12/2004US6804217 CDMA mobile station apparatus
10/12/2004US6804215 CDMA receiver
10/12/2004US6804206 Radio communication system
10/12/2004US6804192 OFDM/DMT digital communications system including partial sequence symbol processing
10/12/2004US6803867 DC compensation circuit for direct conversion receiver
10/12/2004US6803855 Method for reducing average current consumption in duty-cycled RF systems
10/12/2004US6803810 Semiconductor device and portable terminal equipment
10/12/2004US6803496 Method for maintaining or improving skin health
10/12/2004CA2279710C Method and device for demodulating receive signal including pilot signal
10/07/2004WO2004086808A2 Portable audio system
10/07/2004WO2004086792A1 Synchronization and channel estimation with sub-nyquist sampling in ultra-wideband communication systems
10/07/2004WO2004086780A1 Method for initial uplink synchronization in tdd system
10/07/2004WO2004086737A1 Portable radio communication apparatus
10/07/2004WO2004086706A1 Apparatus and method for estimating a plurality of channels
10/07/2004WO2004086705A1 Method and apparatus for processing multiple common frequency signals through a single cable using circulators
10/07/2004WO2004086682A1 Radio communication system
10/07/2004WO2004086676A1 System and method for mobile transactions using the bearer independent protocol
10/07/2004WO2004086662A1 Method and apparatus for improving the performance of pilot symbol assisted receivers in the presence of narrowband interference
10/07/2004WO2004086657A2 Multi-mode receiver with time-shared processing
10/07/2004WO2004086654A1 Apparatus for processing digital if signals capable of detecting jamming signals
10/07/2004WO2004086653A1 Random access control method, base station, and terminal device
10/07/2004WO2004086645A1 Path detection device and path detection method
10/07/2004WO2004086644A1 Spread code generation method, spread code generation device, and communication method
10/07/2004WO2004086643A1 Method for duplexing a clock board
10/07/2004WO2004086642A1 Apparatus for selecting cdma reverse link signal
10/07/2004WO2004086641A1 Antenna circuit
10/07/2004WO2004086639A1 Device, controller, method and signal for remote control
10/07/2004WO2004086637A2 Direct-conversion receiver system and method with quadrature balancing and dc offset removal
10/07/2004WO2004086619A2 Compensating for differences in signal paths in an electronic module
10/07/2004WO2004086558A1 Antenna coupler and mount for mobile radio terminals
10/07/2004WO2004086078A1 A device and method for determining an epoch using a de-spread spread-spectrum signal
10/07/2004WO2004086077A1 Method and apparatus for performing signal correlation
10/07/2004WO2004068732A3 Wrist-worn communications apparatus with perpendicularly oriented microphone and loudspeaker
10/07/2004WO2004068731A3 Mixed technology mems/sige bicmos digitizing analog front end with direct rf sampling
10/07/2004WO2004042956A3 Processing diversity signals using a delay
10/07/2004WO2004038977A3 Method and apparatus for block-based chip timing estimation in a code division multiple access communication system
10/07/2004WO2003103156A3 A radio frequency circuit
10/07/2004US20040199871 Mobile communication terminal and method for displaying an HTML document thereon
10/07/2004US20040199834 Transceiver circuit, transceiving method, and transceiver apparatus
10/07/2004US20040199808 State recovery and failover of intelligent network adapters
10/07/2004US20040199684 Method and system for an adaptive multimode media queue
10/07/2004US20040199675 Multi-function interface module
10/07/2004US20040199379 Method for employing interference canceling with predetection combiners
10/07/2004US20040198475 Portable terminal capable of guiding user to invoke a function and method thereof
10/07/2004US20040198472 Disposable device with removable radio module
10/07/2004US20040198470 Multi-purpose dongle for wireless headset
10/07/2004US20040198469 Radio network system
10/07/2004US20040198466 Telematics device and method of operation
10/07/2004US20040198465 Portable communication device having adjustable amplification and method therefor
10/07/2004US20040198460 Portable communication terminal device
10/07/2004US20040198451 Tower top antenna structure with fiber optic communications link
10/07/2004US20040198446 Mass storage for wireless communication
10/07/2004US20040198445 Communication device controller
10/07/2004US20040198444 Mobile phone IC card holder
10/07/2004US20040198442 Multiple functions transmitting apparatus for mobile phone
10/07/2004US20040198440 Communication system receiver and method for concurrent receiving of multiple channels
10/07/2004US20040198436 Personal portable integrator for music player and mobile phone
10/07/2004US20040198433 Camera lens assembly and portable wireless terminal comprising the same
10/07/2004US20040198425 Establishing half-duplex audio link as battery saving means