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)
06/2000
06/28/2000CN1258138A Radio communication device and transmitting antenna changing method
06/28/2000CN1258137A Demand assignment multiple access technique
06/28/2000CN1258135A 信号接收装置 Signal receiving means
06/28/2000CN1053967C Radio frequency identification tag
06/27/2000US6081735 Signal processing apparatus
06/27/2000US6081733 Communication control apparatus and method
06/27/2000US6081727 Transmission power control system capable of disabling communication of a mobile terminal which carries out an abnormal operation
06/27/2000US6081701 Gain controller
06/27/2000US6081700 Radio having a self-tuning antenna and method thereof
06/27/2000US6081699 FM multiplex broadcasting receiver for receiving RDS and DARC signals
06/27/2000US6081698 Radio apparatus and offset compensating method
06/27/2000US6081697 Multi-carrier radio system and radio transceiver implementation
06/27/2000US6081696 Method and apparatus for controlling frequency of a multi-channel transmitter
06/27/2000US6081695 Holster for a pager or cellular phone
06/27/2000US6081694 Mobile telephone transmitter with internal auxiliary matching circuit
06/27/2000US6081595 Mobile radio terminal adapted to receive a protective cover
06/27/2000US6081566 Method and apparatus for interference rejection with different beams, polarizations, and phase references
06/27/2000US6081564 Apparatus and methods for tracking power level of received signal in code division multiple access communication system
06/27/2000US6081549 Phase correction method and apparatus for spectrum spread wireless communication receiver
06/27/2000US6081548 Spread spectrum radio communication apparatus
06/27/2000US6081547 CDMA communication system
06/27/2000US6081516 Multiuser receiving device for use in a CDMA system
06/27/2000US6081515 Method and arrangement relating to signal transmission
06/27/2000US6081228 Receiver phase-noise mitigation
06/27/2000US6081159 Apparatus for improving linearity of small signal
06/27/2000US6081158 Adaptive pre-distortion apparatus for linearizing an amplifier output within a data transmission system
06/27/2000US6081156 Method and apparatus for amplifying feedforward linear power using pilot tone hopping
06/27/2000US6081096 Apparatus and method for discharging and charging a multiple battery arrangement
06/27/2000US6080509 Thin-profile battery circuits and constructions, button-type battery circuits and constructions, methods of forming thin-profile battery circuits and constructions, and methods of forming button-type battery circuits and constructions
06/27/2000US6079622 Non-contact information storage medium and data transmission method for the medium
06/27/2000CA2211230C A radio having an option board interface and an option board for use therewith
06/27/2000CA2203917C Method and apparatus for suppressing noise in a communication system
06/27/2000CA2198337C Frequency spreading clock modulation
06/27/2000CA2191817C Wireless communication device having a reconfigurable matching circuit
06/27/2000CA2184878C Antenna assembly for a wireless-communication device
06/27/2000CA2184800C Radiotelephone handset having a removable, latching faceplate to accommodate a plurality of distinctive telephone appearances
06/27/2000CA2156639C Method and apparatus for mitigating audio degradation in a communication system
06/27/2000CA2145708C Code division multiple access system providing variable data rate access to a user
06/27/2000CA2115921C Method of encoding and decoding a glassy alloy strip to be used as an identification marker
06/27/2000CA2001349C Spectrum spread communication by csk modulation
06/22/2000WO2000036861A1 A method of reducing the power consumption of portable radio communication systems in standby mode, and a mobile station adapted to reduce the power consumption in standby mode
06/22/2000WO2000036829A1 Method and apparatus for searching channels
06/22/2000WO2000036823A1 Digital television broadcast receiver
06/22/2000WO2000036800A2 Transmitter linearization
06/22/2000WO2000036767A1 Device and method for locating a mobile station in a mobile communication system
06/22/2000WO2000036765A1 A receiver
06/22/2000WO2000036761A2 Random access channel preamble detection
06/22/2000WO2000036760A1 Channel estimation for a cdma system using pre-defined symbols in addition to pilot symbols
06/22/2000WO2000036759A1 An assembly for hands-free function of a telephone
06/22/2000WO2000036758A1 Audio system and audio interface
06/22/2000WO2000036757A2 Apparatus and method for wireless communications
06/22/2000WO2000036742A2 Phase modulating transmitter
06/22/2000WO2000036700A1 Printed multi-band patch antenna
06/22/2000WO2000036431A1 Method and apparatus for acquiring satellite positioning system signals
06/22/2000WO2000019628A9 Integrated orthogonal mode transducer/filter design for microwave frequency-domain
06/22/2000WO2000013333A3 Tracking system and arrangement for implementing said method
06/22/2000CA2618343A1 Method and apparatus for filtering interference and nonlinear distortions
06/21/2000EP1011281A2 Flexible CDMA combiner
06/21/2000EP1011248A2 Method and apparatus for displaying background image in mobile telephone
06/21/2000EP1011234A1 Synchronisation of a RF receiver using chirp signals with a passive correlator
06/21/2000EP1011221A2 An apparatus and method for making transmission characteristics uniform in a wavelength division multiplexing optical communications system
06/21/2000EP1011211A1 Base station apparatus of mobile communication system
06/21/2000EP1011207A2 Transmission power control of baseband signal depending on the number of transmission codes
06/21/2000EP1011206A2 Apparatus, method and system having reduced power consumption in a multi-carrier wireline environment
06/21/2000EP1011205A2 DS-CDMA multi-user interference canceller and CDMA multi-user system using the same
06/21/2000EP1011204A1 Three-port junction receiver
06/21/2000EP1011203A1 Receiver and method of reception
06/21/2000EP1011197A1 Method for generating differential tri-states and differential tri-state circuit
06/21/2000EP1011194A2 High speed differential optoelectronic receiver
06/21/2000EP1011191A1 Process for eliminating a DC component and filter device obtained by this process
06/21/2000EP1011143A1 Semiconductor device with BiCMOS type substrate having noise decoupling
06/21/2000EP1010331A1 Method of and apparatus for transmitting data for interactive tv applications
06/21/2000EP1010320A1 Broadcast receiving system comprising a computer and a decoder
06/21/2000EP1010308A1 A local communication system, method of operation and stations for use therein
06/21/2000EP1010307A1 Digital transmission using subband coding
06/21/2000EP1010301A2 A local commuication system and apparatus for use therein
06/21/2000EP1010269A1 Signalling system
06/21/2000EP1010260A1 Interference rejection combining with frequency correction
06/21/2000EP1010251A4 Temperature compensation circuit for a crystal oscillator
06/21/2000EP1010251A1 Temperature compensation circuit for a crystal oscillator
06/21/2000EP1010243A1 A dual-band, dual-mode power amplifier
06/21/2000EP1010151A1 Radio frequency data communications device
06/21/2000EP1010068A1 Downloading a computer file from a transmitter via a receiver/decoder to a computer
06/21/2000DE19953312A1 Tragbares Funktelefon nach Art einer Uhr A portable radio telephone manner of a clock
06/21/2000DE19856898A1 Anordnung zum Übertragen von Signalen aus einer Einrichtung zum Überwachen des Reifendrucks an Fahrzeugrädern zu einem im Fahrzeug angeordneten Auswertegerät An arrangement for transmitting signals from a device for monitoring the tire pressure of vehicle wheels to an evaluation unit arranged in the vehicle
06/21/2000DE19852571C1 Verfahren zur Datenübertragung in einem Funk-Kommunikationssystem mit CDMA-Teilnehmerseparierung und variablen Spreizfaktoren Method for transmitting data in a radio communication system with CDMA subscriber separation and variable spread factors
06/21/2000DE19839997C1 Elektronische Schaltungsanordnung Electronic circuitry
06/21/2000CN2384386Y Mobile telephone with low electromagnetic radiation harming
06/21/2000CN2384375Y High-speed frequency hopping changer
06/21/2000CN2384374Y Radio with lighting function
06/21/2000CN2384373Y Forced air cooler of low-noise center air supply for transmitter
06/21/2000CN1257630A Broadcast receiving system composed of computer and decoder
06/21/2000CN1257626A Self-synchronizing equalization techniques and systems
06/21/2000CN1257623A Multi-carrier radio system and radio transceiver implementation
06/21/2000CN1257622A Power interface circuit for a TDMA transmitter
06/21/2000CN1257394A Method for reporting alarm of arriving destination at radio terminal
06/21/2000CN1257392A Method for compensating transmission power dispersion in channel of mobiletelephone
06/21/2000CN1257391A Method for indicating background pattern in mobile telephone
06/21/2000CN1257382A Frame formatting for aerial interface
06/21/2000CN1257368A Extended interface unit for communication system