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)
01/2000
01/13/2000DE19829500A1 Verfahren zur Verbesserung des Nutzsignals in einer Funkempfangseinheit A method for improving the wanted signal in a radio receiving unit
01/13/2000DE19828193A1 Schutzetui für Mobiltelefone Protective case for mobile phones
01/13/2000CA2336858A1 Improved power supply assembly for hand-held communications device
01/12/2000EP0971558A2 Device for reproducing audio signals
01/12/2000EP0971520A1 Housing and battery magazine for a portable electronic apparatus
01/12/2000EP0971486A1 Mobile radio terminal comprising at least two antennas with polarization diversity for the reception of signals
01/12/2000EP0971485A1 Multiuser detection in CDMA using a correlation matrix
01/12/2000EP0971484A1 Balancing receiver for a cellular radio communications system
01/12/2000EP0971436A2 Antenna device and transmitting/receiving apparatus
01/12/2000EP0970868A1 Method and system for controlling train by radio
01/12/2000EP0970574A1 Receiving circuit for transmission systems with copper cables
01/12/2000EP0970573A2 Method and apparatus for reducing spread-spectrum noise
01/12/2000EP0970571A1 Communication station with multiple antennas
01/12/2000EP0970570A2 Combined interference cancellation and maximum likelihood decoding of space-time block codes
01/12/2000EP0970569A2 Self-synchronizing equalization techniques and systems
01/12/2000EP0970523A1 Radio architecture
01/12/2000EP0970442A1 Device for influencing the operating status of an electronic appliance
01/12/2000EP0969986A1 Integrated circuit card type car audio system and operating method
01/12/2000EP0910928B1 Coding and decoding of audio signals by using intensity stereo and prediction processes
01/12/2000EP0689742B1 Radio receiver for information dissemination using a subcarrier
01/12/2000EP0626114B1 Radio device
01/12/2000EP0602213B1 Multiple cavity tuning of a transmitter output in a communication system
01/12/2000CN2358651Y Automobile audio-frequency equipment for cellular telephone
01/12/2000CN2358640Y Built-in memory frequency point self-selective station FM horn
01/12/2000CN1241344A Method and device for reducing electricity consumption in mobile multimode telecommunication terminals
01/12/2000CN1241341A Extending battery life in electronic apparatus
01/12/2000CN1241332A Self configuring multi-mode communications terminal
01/12/2000CN1241327A Transponder for transmitting processed data to base station over large distance and at high data transfer rate
01/12/2000CN1241326A Digital communication device and mixer
01/12/2000CN1241325A Multichannel radio device, radio communication system, and fractional division frequency synthesizer
01/12/2000CN1241315A Modulation compensated clamp circuit
01/12/2000CN1241083A Mobile telephone casing
01/12/2000CN1241082A Carrier for radiotelephone
01/12/2000CN1241081A Short-range interrogation communication system capable of sending inhibit command
01/12/2000CN1241070A Multiuser interference canceler for DS-CDMA system
01/12/2000CN1241069A Reception apparatus
01/12/2000CN1048375C TV Receiver having FM trap for television tuner
01/12/2000CN1048368C Anti-lose alarm device for mobile telephone
01/12/2000CN1048367C Residential facility control system
01/11/2000US6014705 Modular portable data processing terminal having a higher layer and lower layer partitioned communication protocol stack for use in a radio frequency communications network
01/11/2000US6014571 Multiband mobile unit communication apparatus
01/11/2000US6014554 Method and apparatus for tuning analog filters
01/11/2000US6014553 Automatic gain control circuit for satellite communication transmitters
01/11/2000US6014551 Arrangement for transmitting and receiving radio frequency signal at two frequency bands
01/11/2000US6014546 Method and system providing RF distribution for fixed wireless local loop service
01/11/2000US6014412 Digital radio frequency interference canceller
01/11/2000US6014408 PN code generating circuit and terminal unit
01/11/2000US6014407 Method and system for simultaneously broadcasting and receiving digital and analog signals
01/11/2000US6014405 Spread spectrum multipath receiver without a tracking loop
01/11/2000US6014404 Procedure for the independent reduction of acquisition thresholds and tracking of spread spectrum codes received in orbit
01/11/2000US6014373 Spread spectrum CDMA subtractive interference canceler system
01/11/2000US6014178 Receiver having analog and digital video modes and receiving method thereof
01/11/2000US6014092 Key mover
01/11/2000US6014056 Power amplifier circuit with low degradation in the event of breakdowns
01/11/2000CA2234855C Highly stable frequency synthesizer loop with feedforward
01/11/2000CA2164031C Transponder detection system for vehicles in toll collection lanes
01/11/2000CA2162417C Data rate detector for terminal station receiver
01/11/2000CA2136408C Phased array spread spectrum system and method
01/11/2000CA2116477C A power saving paging receiver
01/10/2000CA2242787A1 Protective hood for lnb of parabolic antenna reception system
01/06/2000WO2000001141A1 Terminal powered on for epg download
01/06/2000WO2000001094A1 Data transmission in a tdma system
01/06/2000WO2000001093A1 Radio communication device and transmitting power control method
01/06/2000WO2000001088A1 Adaptive transmitter/receiver
01/06/2000WO2000001082A1 Method and apparatus in a wireless communication system for dynamically formatting application data to be transmitted
01/06/2000WO2000001079A1 Direct conversion time division duplex radio, direct sequence spread spectrum cordless telephone
01/06/2000WO2000001077A1 Entertainment micro system
01/06/2000WO1999057676A8 System for encoded rf and encoded magnetic field communication and method therefor
01/06/2000WO1999049582A3 Receiver with a clock signal generator
01/06/2000WO1999049581A3 Am quality detector
01/06/2000CA2335936A1 Terminal powered on for epg download
01/06/2000CA2333609A1 Adaptive transmitter/receiver
01/06/2000CA2266149A1 An analog radio system with acoustic transmission properties
01/05/2000EP0969666A2 Broadcasting apparatus and terminal apparatus for digital broadcasting service
01/05/2000EP0969642A1 Telephone set equipped with autodialling device
01/05/2000EP0969609A2 Data transmission method and radio system
01/05/2000EP0969604A2 Signal to interference ratio estimation
01/05/2000EP0969603A2 Method and apparatus for receiving spread spectrum signal
01/05/2000EP0969602A1 Dual band transceiver
01/05/2000EP0969601A2 Method for improving the wanted signal in a radio receiving unit
01/05/2000EP0969592A1 Signal receiver and method thereof, transceiver, and network system
01/05/2000EP0968618A2 Communications terminal and method for data transmission between a communications network and a communications terminal
01/05/2000EP0968611A1 Data processing system
01/05/2000EP0968610A1 Transmission and reception of television programmes and other data
01/05/2000EP0968609A1 Signal generation and broadcasting
01/05/2000EP0968608A1 Broadcast and reception system, and receiver/decoder and remote controller therefor
01/05/2000EP0968607A1 Smartcard for use with a receiver of encrypted broadcast signals, and receiver
01/05/2000EP0968602A1 Extracting data sections from a transmitted data stream
01/05/2000EP0968582A2 A code synchronization unit and method
01/05/2000EP0968580A2 Spread spectrum phase modulation for suppression of electromagnetic interference in parallel data channels
01/05/2000EP0968574A2 A method for combining signals, and a receiver
01/05/2000EP0968571A2 Method and arrangement for forming an address
01/05/2000EP0968570A1 A multi-carrier radio system and radio transceiver implementation
01/05/2000EP0968569A1 Power interface circuit for a tdma transmitter
01/05/2000EP0968497A1 Variable length audio coding using a plurality of subband bit allocation patterns
01/05/2000EP0968469A1 Computer memory organization
01/05/2000EP0968468A1 Computer memory organization
01/05/2000EP0968465A1 Television or radio control system development
01/05/2000DE19928982A1 Synchronizing local split code for signal test apparatus in code division multiple access system
01/05/2000DE19927243A1 Receiver for reception of multiplexed radio wave