Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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
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)
04/2003
04/24/2003US20030076798 Systems and techniques for measuring relative power
04/24/2003US20030076790 Transmission device
04/24/2003US20030076747 Time error compensating apparatus and method in a terminal
04/24/2003US20030076662 Transponder and injection-molded part and method for manufacturing same
04/24/2003US20030076533 Communication apparatus, control method of the communication apparatus, facsimile apparatus, communication method, and program
04/24/2003US20030076194 Duplexer with improved transmission/receiving band separation
04/24/2003US20030076187 Dynamics compressor for an analog signal to be compressed
04/24/2003US20030076168 Systems and methods for controlling output power in a communication device
04/24/2003US20030076080 Linear power conversion circuit
04/24/2003US20030075931 Detachably connecting device
04/24/2003US20030074780 Three-dimensional elastomeric connector
04/24/2003DE20302425U1 Cover for mobile telephones, cameras, radios and the like consists of a highly elastic, stretchable thin transparent hose which is closed at one end and is closable watertight at the other end
04/24/2003DE20300028U1 Meter station radio interface unit has transponders for all meters on carriage
04/24/2003DE10136757C1 Operating especially bi-directional radio system involves changing receivers to operating mode if defined synchronizing pulse reception time interval related, data rate or bit coding occurs
04/24/2003CA2463904A1 System for improved power savings during full dtx mode of operation in the downlink
04/24/2003CA2409718A1 Amplitude-modulated signal receiving circuit
04/24/2003CA2409690A1 Radio communication system, and transmitting circuit and receiving circuit thereof
04/23/2003EP1304863A2 Communication apparatus, control method therefor, facsimile apparatus, communication method, and program
04/23/2003EP1304852A1 Communication terminal apparatus
04/23/2003EP1304843A2 Peak suppression method and data transmission apparatus
04/23/2003EP1304824A1 Method for transmitting data by means of chaotic signals
04/23/2003EP1304823A1 Multiplexed signal quality display, method, and program, and recorded medium where the program is recorded
04/23/2003EP1304822A1 Apparatus, method, and program for displaying waveform quality of cdma signal, and recorded medium where the program is recorded
04/23/2003EP1304818A1 Method of signalling the correspondence between CDMA codes and training sequences in TDD mobile radio systems
04/23/2003EP1304815A2 A code division multiple access downlink receiver
04/23/2003EP1304814A2 CDMA receiver, and path selection method
04/23/2003EP1304813A1 Method of converting spread spectrum multiple address code in a code division multiple access system
04/23/2003EP1304805A2 Methods and circuitry for reducing intermodulation in integrated transceivers
04/23/2003EP1304681A2 Speech absence probability estimation and noise removal
04/23/2003EP1304603A2 Time error compensating apparatus and method in a terminal
04/23/2003EP1303960A2 Data transmission using pulse width modulation
04/23/2003EP1303958A2 Data transmission using pulse width modulation
04/23/2003EP1303922A2 Directed maximum ratio combining methods and systems for high data rate traffic
04/23/2003EP1303921A1 Page monitoring method and apparatus
04/23/2003EP1303920A2 Method and apparatus for processing a modulated signal using an equalizer and a rake receiver
04/23/2003EP1303919A2 System and apparatus for a direct conversion receiver and transmitter
04/23/2003EP1303910A2 Agc circuit
04/23/2003EP1303856A1 Method for concealing transmission errors in digital audio data
04/23/2003EP1303766A2 Combined parallel and sequential detection for gps signal acquisition
04/23/2003EP1216501A4 Direct conversion receivers and filters adapted for use therein
04/23/2003EP1142145B1 An antenna switch module
04/23/2003EP1135865B1 Digital receivers and receiving methods that scale for relative strengths of traffic and pilot channels during soft handoff
04/23/2003EP1084538B1 Pilot strength measurement and multipath delay searcher for cdma receiver
04/23/2003EP1071968A4 Method of communication between a plurality of remote units and a control unit
04/23/2003EP1042714B1 Gui of remote control facilitates user-friendly editing of macros
04/23/2003EP1005718A4 System and method for dynamic amplitude adjustment of modulating signal in frequency modulated transceivers
04/23/2003EP0988726A4 Synchronizer and method therefor and communications system incorporating same
04/23/2003EP0872016A4 Direct sequence frequency ambiguity resolving receiver
04/23/2003EP0864186B1 Microwave transceiver/antenna system with adjustable mounting and alignment mechanism
04/23/2003EP0811275B1 A radio having an option board interface
04/23/2003CN2547085Y Power supply controller for mobile telephone
04/23/2003CN2547070Y Communication processing apparatus
04/23/2003CN2547069Y Electromagnetic wave suppressor of signal transmission loop
04/23/2003CN2547068Y Transceiver audio frequency signal distributor
04/23/2003CN2546777Y Kitchen ventilator with baffle device
04/23/2003CN1413395A Method for synchronizing CDMA receiver signal
04/23/2003CN1413393A Methods and apparatus for spreading and despreading information signals in CDMA communications system
04/23/2003CN1413392A Programmable matched filter searcher for multiple pilot searching
04/23/2003CN1413391A Method and apparatus for performing search acquisition in multi-carrier communication system
04/23/2003CN1413390A Method and receiver
04/23/2003CN1413389A Information communication system, noncontactic IC card and IC chip
04/23/2003CN1413388A Programming universal remote control device
04/23/2003CN1413387A Communication terminal having receiver and method for removing known interferers from digitized intermediate frequency signal
04/23/2003CN1413342A Security tag detection and localization system
04/23/2003CN1413323A Method of linking authorized users to plurality of devices
04/23/2003CN1413296A Method for determining distance between two electronic devices
04/23/2003CN1413055A Image-supplying system and protocol for wireless communication message
04/23/2003CN1413054A Time error compensation device and method for terminal
04/23/2003CN1413049A Device and method for preventing liquid crystal display be locked in mobile terminal
04/23/2003CN1413039A Signal path search method and equipment for mobile communication system
04/23/2003CN1413003A Method for searching telephone number
04/23/2003CN1413001A Sliding mechanism
04/23/2003CN1412995A Information management method in data communication equipment
04/23/2003CN1412961A Warning circuit for losing real time detection signal and its implement method
04/23/2003CN1412960A Light receiving and emitting device
04/23/2003CN1412956A Variable gain amplifier and radio communication device
04/23/2003CN1412955A Portable telephone set
04/23/2003CN1412953A Gain control method for short pulse transmission signal receiver and receiver using it
04/23/2003CN1412952A Working method of frequency-modulated broadcasting radio information system controlled alarm device and its equipment
04/23/2003CN1412950A Double moduration type radio transmitter
04/23/2003CN1412949A Input device for hand-held information processing device
04/23/2003CN1412942A Input circuit for tuner and semiconductor device
04/23/2003CN1412857A 化合物半导体装置 The compound semiconductor device
04/23/2003CN1412670A Image coding method and coding device
04/23/2003CN1106783C Receiver in mobile communications system
04/23/2003CN1106744C Access to communications system
04/23/2003CN1106732C Receiving apparatus, method and terminal unit for radio system
04/23/2003CN1106729C Method and apparatus for acquiring low duty-cycle reference signals in mobile communications environment
04/23/2003CN1106723C Method and apparatus for spread-spectrum channel estimation
04/23/2003CN1106722C Frequency division multiplexed transmission of sub-band signal
04/23/2003CN1106721C Flip cover and antenna assembly for portable phone
04/23/2003CN1106720C Dual-mode radio receiver for receiving narrowband and wide band signals
04/23/2003CN1106719C 数据传输系统 The data transmission system
04/23/2003CN1106718C Method of controlling transmission output of radio device
04/23/2003CN1106617C Low power parallel correlator for measuring correlation between digital signal segments
04/22/2003US6553508 Redundant communication fabrics for enhancing fault tolerance in Totem networks
04/22/2003US6553345 Universal remote control allowing natural language modality for television and multimedia searches and requests
04/22/2003US6553239 Low power, short range point-to-multipoint communications system
04/22/2003US6553216 RF tunable filter arrangement with tunable image trap
04/22/2003US6553215 Weather radio control
1 ... 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 ... 1886