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)
08/2003
08/27/2003CN1438782A Antenna device of CDMA communication system base station and communication volume optimizing method
08/27/2003CN1438781A Wireless receiver of estimating interference power
08/27/2003CN1438779A Communication control method of mobile communication and moboile communicator
08/27/2003CN1438778A Channel-distribution method in wide-band code-division multiple-address communication system
08/27/2003CN1438769A Special network system and information service based on same and electronic business method
08/27/2003CN1438706A Electrostatic releasing protection circuit
08/27/2003CN1119912C Radio base station device and radio communication method
08/27/2003CN1119906C S/N ratio threshold regulating method and device for controlling power of mobile communication
08/27/2003CN1119883C Device and method for cancelling code interference in CDMA communication system
08/27/2003CN1119882C Receiving method and apparatus in CDMA system
08/27/2003CN1119881C Reverse-spread spectrum device and method for measuring frequency faults
08/27/2003CN1119872C Detecting method and detecting circuit thereof
08/27/2003CN1119871C Cone-shaped battery electrode terminal
08/27/2003CN1119870C Adaptive digital jitter signal control method and MF emitter in the said method
08/27/2003CN1119859C Mixing amplifier
08/27/2003CN1119858C Radio communication apparatus and its transmitted power controlling method
08/27/2003CN1119857C MUltiband high-efficiency linear power amplifier and high-efficiency power amplifier
08/27/2003CN1119856C Stable power amplifier and transceiver terminal with it
08/27/2003CN1119855C Amplifier with adjustable bias current
08/27/2003CN1119823C Multipole multiposition microwave switch with common redundancy
08/27/2003CN1119796C Rate changeable sonic code device
08/27/2003CN1119762C Searching system, searching device and method, and input device and method
08/27/2003CN1119670C Transponder unit and process and device for producing tranponder unit
08/27/2003CN1119095C Hand strap storage structure for portable terminal device
08/26/2003US6611942 Transmitter, receiver, method and system for safe telecommunication of cells
08/26/2003US6611798 Perceptually improved encoding of acoustic signals
08/26/2003US6611696 Method and apparatus for aligning the antennas of a millimeter wave communication link using a narrow band oscillator and a power detector
08/26/2003US6611680 Radio architecture
08/26/2003US6611679 Device and method for controlling a receiving amplifier in a radio terminal
08/26/2003US6611607 Integrating digital watermarks in multimedia content
08/26/2003US6611570 Programmable digital intermediate frequency transceiver
08/26/2003US6611566 Reflection and transmission of quasi orthogonal vectors
08/26/2003US6611565 Broadband transmitter for a signal consisting of a plurality of digitally modulated carriers
08/26/2003US6611564 Method for conserving power in transceivers
08/26/2003US6611556 Identification system for monitoring the presence/absence of members of a defined set
08/26/2003US6611550 Spread spectrum receiver
08/26/2003US6611549 Frequency switching method, voltage controlled oscillator using same and receiver for spread spectrum communication using same
08/26/2003US6611548 Multipath processor
08/26/2003US6611513 CDMA system with iterative demapping of a received signal
08/26/2003US6611512 Apparatus and method for scheduling correlation operations of a DS-CDMA shared correlator
08/26/2003US6611509 CDMA/TDD mobile communication system and method
08/26/2003US6611234 System and method for position determination by impulse radio using round trip time-of-flight
08/26/2003US6611223 Method and apparatus for ultra wide-band communication system using multiple detectors
08/26/2003US6611175 Frequency synthesizer and method of providing a mixing oscillator signal to a mixer
08/26/2003US6609419 Signal transmission in a tire pressure sensing system
08/26/2003CA2270798C A radio communication system, a mobile station apparatus and a base station apparatus
08/21/2003WO2003069886A2 Clock-based time slicing
08/21/2003WO2003069873A2 Audio enhancement communication techniques
08/21/2003WO2003069868A1 Transmission apparatus and transmission method
08/21/2003WO2003069826A2 System and method for efficiently detecting the identification of a received signal
08/21/2003WO2003069815A1 Method and system for transmission of carrier signals between first and second antenna networks
08/21/2003WO2003069807A1 Cqi coding method for hs-dpcch
08/21/2003WO2003069805A1 Base station device and packet transmission method
08/21/2003WO2003069804A1 Power control in spread spectrum communications systems
08/21/2003WO2003069799A2 Method for discriminating between transmitters using channel impulse responses
08/21/2003WO2003069793A1 Receiver for wireless telecommunication stations and method
08/21/2003WO2003069792A1 Radio communication method and system for performing communication among a plurality of radio communication terminals
08/21/2003WO2003069791A1 Receiver and associated printing apparatus
08/21/2003WO2003069790A2 Cdma receiver with controllable functions
08/21/2003WO2003069789A2 Wireless communication system having adaptive threshold for timing deviation measurement and method
08/21/2003WO2003069786A2 Apparatus for multiple band communication
08/21/2003WO2003069550A2 Electromagnetic transponder with a programmable code
08/21/2003WO2003069538A1 Switching device actuated with a transponder
08/21/2003WO2003068509A1 Printer for conveyance with wireless data port
08/21/2003WO2003068011A1 Textile item comprising a receptacle for housing a portable electronic device particularly a textile clothing item
08/21/2003WO2003058987A3 Distributed wireless architecture using microcast
08/21/2003WO2003058466B1 Multimodal communication method and apparatus with multimodal profile
08/21/2003WO2003005593A3 Receiver device comprising an alternating current coupling
08/21/2003WO2002063783A3 Method and apparatus for use of gps and cellular antenna combination
08/21/2003WO2002027926A3 Method for optimizing the level of rf signals by comparing quality of the rf signals under different operation modes
08/21/2003US20030159144 Digital broadcast receiver
08/21/2003US20030159140 Selective encryption to enable multiple decryption keys
08/21/2003US20030159085 Managing processing associated with coupling facility structures
08/21/2003US20030158478 Multiple level transmitter and method of transmitting
08/21/2003US20030158027 Refractive index, excellent water resistance and a stable glassy state; for producing lens
08/21/2003US20030157974 Urgent power-supply arrangement using cascaded wireless mobile devices
08/21/2003US20030157969 Portable telephone, control method thereof, and recording medium therefor
08/21/2003US20030157964 Signal power detection device and frequency analysis apparatus using the same
08/21/2003US20030157958 Personal communication systems
08/21/2003US20030157956 Portable radio
08/21/2003US20030157944 Portable communication apparatus, external apparatus connectable to the portable communication apparatus, and method of controlling the portable communication apparatus
08/21/2003US20030157924 Emergency notification device in radio communication apparatus
08/21/2003US20030157919 Battery Module with Wireless Receiver built in to power Distributed Sound System
08/21/2003US20030157917 Programmable mixer and radio applications thereof
08/21/2003US20030157916 Method of automatic frequency-setting for wireless microphone-receivers
08/21/2003US20030157915 3G radio
08/21/2003US20030157913 CMOS current mode RF detector and method
08/21/2003US20030157912 3G radio
08/21/2003US20030157911 Transmission-reception head
08/21/2003US20030157910 Receiver circuit for mobile radio receivers with automatic gain control
08/21/2003US20030157909 3G radio
08/21/2003US20030157908 Spatial spectral efficiency for wireless rings and network of links in millimerter wave (mmw) communication systems
08/21/2003US20030157907 Method for securing the operation of a receiver, and a radio apparatus
08/21/2003US20030157906 High-frequency signal transmission apparatus and electronic tuner using the same
08/21/2003US20030157905 Transmitter and associated method for reducing the adjacent channel power during wireless communications
08/21/2003US20030157902 Programmable mixer for reducing local oscillator feedthrough and radio applications thereof
08/21/2003US20030157901 3G radio
08/21/2003US20030157897 Radio receiver and receiving method for controlling the beam-width of an antenna
08/21/2003US20030157893 Cooler chest with radio
08/21/2003US20030157892 Receiver for wireless telecommunication stations and method
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