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)
07/2003
07/03/2003US20030123485 Method for transmitting packet data in communication system
07/03/2003US20030123480 Digital communication system
07/03/2003US20030123412 Method for balancing the ratio Eb/I in a service multiplexing CDMA system and telecommunication system using this method
07/03/2003US20030123408 CDMA receiving apparatus
07/03/2003US20030123407 Transmission power control method using a pilot symbol pattern
07/03/2003US20030123402 Apparatus and method for multi-path search using dual code generators
07/03/2003US20030123401 Reverse link power controlled repeater
07/03/2003US20030123396 Apparatus and method for reporting quality of downlink channel in W-CDMA communication systems supporting HSDPA
07/03/2003US20030123384 Stacked-carrier discrete multiple tone communication technology and combinations with code nulling, interference cancellation, retrodirective communication and adaptive antenna arrays
07/03/2003US20030123235 Wireless local area network card
07/03/2003US20030122970 Digital broadcasting receiver
07/03/2003US20030122959 Method for digital broadcast interpolation and digital broadcast receiving system
07/03/2003US20030122727 High-frequency communication apparatus and method of manufacturing the same
07/03/2003US20030122722 Flat-plate multiplex antenna and portable terminal
07/03/2003US20030122697 Method and system for a programmable code generator
07/03/2003US20030122685 System and method for locating individuals and equipment, airline reservation system, communication system
07/03/2003US20030122676 Baby monitor and method for monitoring sounds and selectively controlling audio devices
07/03/2003US20030122534 Intermodulation detector for a radio receiver
07/03/2003US20030121985 Transponder, especially for a contactless chip card
07/03/2003US20030121686 Radiating enclosure
07/03/2003US20030121401 Mixer apparatus and music apparatus capable of communicating with the mixer apparatus
07/03/2003DE20306964U1 Screening reflector, especially for mobile telephone, has metalized fiber screen to protect human organs from HF electromagnetic fields
07/03/2003CA2471126A1 Cell search using peak quality factors
07/03/2003CA2471112A1 Filter technique for increasing antenna isolation in portable communication devices
07/02/2003EP1324600A2 Program recording and viewing reservation system and method thereof
07/02/2003EP1324572A1 Mobile communications terminal with rotational LCD device
07/02/2003EP1324570A1 Portable telephone
07/02/2003EP1324507A1 Transmitter apparatus and communication system employing a dummy pulse before the start of communication
07/02/2003EP1324505A1 Spreading code assigning method and base transceiver station
07/02/2003EP1324504A2 Radio receiver and radio receiving method
07/02/2003EP1324503A2 Direct conversion receiver, mobile radio equipment using the same, and RF signal receiving method
07/02/2003EP1324485A2 Frequency downconverter for orthogonally polarised waves
07/02/2003EP1324425A1 Mobile wireless terminal
07/02/2003EP1324422A2 Line coupling structure, mixer, and receiving/transmitting apparatus
07/02/2003EP1324420A1 Dielectric filter, dielectric duplexer and communication apparatus
07/02/2003EP1324275A2 Key opening apparatus
07/02/2003EP1324225A2 Alternate interpretation of markup language documents
07/02/2003EP1324100A1 Portable terminal device having a display unit utilizing a holographic screen
07/02/2003EP1323303A1 Low-power broadcast receiver
07/02/2003EP1323281A1 Apparatus and method for enhancing low-frequency operation of mobile communication antennas
07/02/2003EP1323271A1 System and method for fast code phase and carrier frequency acquisition in gps receiver
07/02/2003EP1323270A1 Adaptive filtering and dc offset removal for communications systems
07/02/2003EP1323256A2 Multi strata system
07/02/2003EP1323248A1 Preamble searching apparatus and method
07/02/2003EP1323243A2 Method and apparatus for call drop prevention in a wireless communication system
07/02/2003EP1323242A2 Searching for signals in a communications system
07/02/2003EP1323241A2 Data buffer structure for physical and transport channels in a cdma system
07/02/2003EP1323240A2 Method and apparatus for subtracting multiple rays of multiple interfering received signals
07/02/2003EP1323239A1 Method and arrangement in a communication system
07/02/2003EP1323236A2 Method and apparatus for automatic frequency control in a cdma receiver
07/02/2003EP1323210A2 Multi-band wireless communication device
07/02/2003EP1322973A2 A method of generating a time shifted signal
07/02/2003EP1240034B1 An rf transponder comprising a programmable trimmer and method of trimming operating characteristics of an rf transponder
07/02/2003EP1218858B1 Method for customising a car radio to individual requirements
07/02/2003EP1147617A4 Multi-clock matched filter for receiving signals with multipath
07/02/2003EP1060454B1 Identification of objects by a reader
07/02/2003EP1055297B1 Device and method for locating a mobile station in a mobile communication system
07/02/2003EP0937312B1 Antenna adapter
07/02/2003EP0812499B1 A method for estimating signal and noise quality, and a receiver
07/02/2003EP0784888B1 Interference cancellation method, and receiver
07/02/2003EP0775392B1 A method for controlling a radio unit
07/02/2003EP0755590B1 Receiver and method for generating spreading codes in a receiver
07/02/2003CN2559169Y Frame for communication product
07/02/2003CN1428065A Improving performance of CDMA system
07/02/2003CN1428064A Method and apparatus for dual mode operation in wireless communication system
07/02/2003CN1428063A Reacquisition and handoff in slotted mode communication system
07/02/2003CN1428037A Removable housing cover for portable radio communication device
07/02/2003CN1428035A Method and system for blind detection of modulation type
07/02/2003CN1428024A Dynamically adjusting integration interval based on signal strength
07/02/2003CN1428021A PN generator for spread spectrum communications systems
07/02/2003CN1427984A Radio frequency detection and identification system
07/02/2003CN1427647A Mobile communication terminal with rotatable liquid crystal display device
07/02/2003CN1427569A Method for generating transmitting signal vector in state of effective transmission channel in wireless communication system
07/02/2003CN1427567A Synchronous realizing method of broad band CDMA system
07/02/2003CN1427565A Transmission control method of high speed data business at down pause interval
07/02/2003CN1427561A VXI module capable of function reconfiguration
07/02/2003CN1427550A Apparatus and method for reducing magnetic field strength of radio telephone
07/02/2003CN1427505A Plane multiple aerial and portable terminal
07/02/2003CN1427448A Semiconductor device, portable remote-terminal unit and intermittently receiving method
07/02/2003CN1426914A On-vehicle hand-free system
07/02/2003CN1113571C Radio phone calculagraph comprising user identity module card
07/02/2003CN1113567C Mobile wireless communication device
07/02/2003CN1113554C Pager capable of automatically switching and setting plurality of transmission speeds
07/02/2003CN1113545C Wireless receiver
07/02/2003CN1113516C Transmission method and radio system
07/02/2003CN1113515C Method and device for modulation and demodulation
07/02/2003CN1113497C Radio communication terminal apparatus
07/02/2003CN1113496C Spectrum spreading communication system using single spreading code
07/02/2003CN1113492C Transmitter-receiver
07/02/2003CN1113487C Forward link transmission mode for CDMA cellular communication system using steerable and distributed antennas
07/02/2003CN1113481C GPS receiver with efficient signal acquisition
07/02/2003CN1113480C Transponder communication device
07/02/2003CN1113479C Dual antenna arrangement for portable transceiver
07/02/2003CN1113478C Integrated receiver
07/02/2003CN1113461C Transmission system using time dependent filter banks
07/02/2003CN1113458C Control of variable gain amplifier with delta-sigma modulator D/A converter
07/02/2003CN1113417C Field-effect transistor and solid-state antenna switch using same
07/02/2003CN1113250C GPS receiver and method for processing GPS signals
07/02/2003CN1113239C Method for optimally controlling fiber processing machines
07/02/2003CA2709394A1 Video scene change detection