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)
10/2005
10/05/2005CN1679349A Low-cost high-power digital cordless telephone architecture
10/05/2005CN1679292A Transmission device
10/05/2005CN1679288A Training using overhead data in a wireless communications network
10/05/2005CN1679259A Stereo demodulator circuit
10/05/2005CN1679255A Queue length-based data transmission for wireless communication
10/05/2005CN1679252A Transmission signal formation method, communication method, and transmission signal data structure
10/05/2005CN1679251A Transmitted-signal producing method, communicating method, and data structure of transmitted signal
10/05/2005CN1679250A Power amplifier bypass in a half-duplex IC
10/05/2005CN1679249A Transceiver apparatus for use in a multi-frequency communication system, base station of a multi-frequency communication system, method for use of the transceiver apparatus, method of transceiving mul
10/05/2005CN1679248A System and method for rapid text entry in telephone
10/05/2005CN1679246A Method and system for selecting provisioning information for mobile communication device from non-volatile memory
10/05/2005CN1679245A Method and system for reducing the effect of signal-interference in null areas caused by one or more antennas
10/05/2005CN1679244A An RF front end with reduced carrier leakage
10/05/2005CN1679240A Oscillator circuit
10/05/2005CN1679233A Device comprising two mutually adapted impedances for the purpose of power transmission
10/05/2005CN1679231A Receiver and its adjustment system and method
10/05/2005CN1679062A Personal programmable universal remote control
10/05/2005CN1679044A Method of inventorying transponders by means of a communication station
10/05/2005CN1678973A Flexible method and apparatus for performing digital modulation and demodulation
10/05/2005CN1678182A Hinge part structure of portable terminal
10/05/2005CN1678181A Hinge device of swing-type portable terminal
10/05/2005CN1678126A Method for using base station power measurements to detect position of mobile stations
10/05/2005CN1678106A Power supply device of hand-set
10/05/2005CN1678103A Clock impulse device of mobile communication terminal controller
10/05/2005CN1678102A Mobile communication terminal with built-in traffic card
10/05/2005CN1678099A Telephone number information generation and storage method of mobile communication terminal
10/05/2005CN1678098A Cell electricity quantity displaying method of mobile communication terminal
10/05/2005CN1678088A Communication apparatus with switching function
10/05/2005CN1678012A Image sensor
10/05/2005CN1677991A Telephone number book searching and displaying method of mobile communication terminal
10/05/2005CN1677990A Method for searching telephone connection through telephone number order
10/05/2005CN1677989A Function calling apparatus and computer program for executing a function calling process
10/05/2005CN1677988A Manu specification providing method of mobile communication terminal
10/05/2005CN1677987A Portable terminal earphone microphone holding signal detection device and method
10/05/2005CN1677986A Alarming generation device and method for portable terminal based on local time
10/05/2005CN1677985A On-off device of portable terminal
10/05/2005CN1677973A Data transmission method and apparatus in RFID and remote sensor systems
10/05/2005CN1677966A Carrier detecting method and carrier detecting circuit
10/05/2005CN1677912A Wide-band CDMA up stream scrambling-code distribution method
10/05/2005CN1677896A Radio communication device and system and communication timed regulating unit
10/05/2005CN1677894A Array antenna radio communication apparatus
10/05/2005CN1677893A Portable radio apparatus
10/05/2005CN1677892A Space hour encoding method based on rotary planisphere
10/05/2005CN1677887A N+1 duplicates data real-time synchronising method
10/05/2005CN1677886A Synchronization acquisition circuit and receiving apparatus using the same
10/05/2005CN1677885A Diversity receiving method in spread spectrum communication system based on linear frequency regulation series
10/05/2005CN1677884A Multi-path tracing method for WCDMA upstream special link-circuit
10/05/2005CN1677883A Mobile wireless communication terminal and method of matching antenna in the same
10/05/2005CN1677882A Message machine of receiving-transmitting time-division duplex wireless communication system
10/05/2005CN1677881A Device and method for coupling a battery to a mobile terminal
10/05/2005CN1677880A Making friend, alarming and monitoring function of hand set
10/05/2005CN1677879A Center-free intercom
10/05/2005CN1677878A 接收机 Receiver
10/05/2005CN1677877A Assembly structure of time-domain synchronous orthogonal frequency-division multiplex receiver
10/05/2005CN1677876A Method for removing phase noise for time domain synchronous or thogonal frequency-division multiplex receiver and system and thereof
10/05/2005CN1677875A Wireless transmission change-over system
10/05/2005CN1677854A Timing adjustment method and digital filter and receiver using the method
10/05/2005CN1677850A Automatic gain control device, automatic gain control method, radio communication terminal, system and method
10/05/2005CN1677848A Radio frequency circuit device and mobile communication terminal using the same
10/05/2005CN1677843A Programmable if frequency filter for enabling a compromise between DC offset rejection and phase frequency interference rejection
10/05/2005CN1677751A Socket connection part of mobile communication terminal
10/05/2005CN1677707A Cell structure of portable terminal
10/05/2005CN1677377A Data transfer circuit
10/05/2005CN1677215A Automatic camera lens module retracting/extending apparatus for mobile communication terminals
10/05/2005CN1677150A External optical lens group and mobile communication terminal fitted with same
10/05/2005CN1676374A On-board audio-visual system
10/05/2005CN1222190C Method of voice compressing in mobile terminal
10/05/2005CN1222188C Apparatus and method for displaying sketch in mobile communication terminal equiped with camera
10/05/2005CN1222184C Transmission power controlling method and mobile station thereof
10/05/2005CN1222154C Apparatus for synchronizing compressed vision signal receiving system
10/05/2005CN1222148C Portable telephone set
10/05/2005CN1222142C Method and system for spread-spectrum digital communication by golay complementary sequence modulation
10/05/2005CN1222131C Code division multiple address mobile communication system and its sync-signal transmission method
10/05/2005CN1222128C Method for processing audio data in source code and transmitter and receiver for executing same
10/05/2005CN1222127C Apparatus and method for suppressing frequency interference
10/05/2005CN1222117C Power control method in radio system and radio system
10/05/2005CN1222115C Method for code tracing Ruike receiver and said Ruike receiver
10/05/2005CN1222113C Emergency communication equipment and communication method with emergency corresponding center
10/05/2005CN1222111C Two-way radio commuincation system and method
10/05/2005CN1221941C ADPCM speech coding system with phase-smearing and phase-desmearing filters
10/05/2005CN1221905C Personal digital assistant system possessing function of receiving FM broadcast
10/05/2005CN1221722C Hinge for portable machine and portable machine therewith
10/04/2005US6952643 Road traffic information output apparatus
10/04/2005US6952599 Folding portable radio device
10/04/2005US6952594 Dual-mode RF communication device
10/04/2005US6952593 Multi-band tranceivers with reduced frequency sources for digital transmissions
10/04/2005US6952589 Method, system and apparatus for improving reception in multiple access communication systems
10/04/2005US6952573 Wireless receiver with stacked, single chip architecture
10/04/2005US6952572 Image rejection mixer with switchable high or low side injection
10/04/2005US6952571 Digital signal processor update of single channel strength signal
10/04/2005US6952570 Wireless communication receiver that determines frequency offset
10/04/2005US6952567 Envelope error extraction in IF/RF feedback loops
10/04/2005US6952566 Transmission circuit and unnecessary radiant wave suppression method
10/04/2005US6952565 Communication terminal, automobile communication terminal, and automobile
10/04/2005US6952562 Method for filtering a mobile radiotelephone signal and corresponding mobile radiotelephone receiver
10/04/2005US6952561 Enhanced metric for bit detection on fading channels with unknown statistics
10/04/2005US6952560 Tuned antenna resonant circuit of a passive transponder
10/04/2005US6952460 Efficient space-time adaptive processing (STAP) filter for global positioning system (GPS) receivers
10/04/2005US6952440 Signal detector employing a Doppler phase correction system
10/04/2005US6952439 System for, and method of, transmitting data from a transmitter to a receiver and recovering the data at the receiver
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