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)
06/1998
06/24/1998EP0849886A2 Multistage interference canceller for a code division multiple access communications system
06/24/1998EP0849885A1 Reconfigurable remote controller for controlling access functions in an audio-video receiver
06/24/1998EP0849884A1 Remote control signal receivers and methods and remote control systems
06/24/1998EP0849823A1 Glass antenna system with an impedance matching network
06/24/1998EP0849660A1 Portable electronic apparatus with a device for detecting a variation in the supply voltage
06/24/1998EP0848887A1 Communication receiver for controlling a receive operation in response to a control value
06/24/1998EP0848877A1 Process for transferring digital data via interference-affected radio channels and device for receiving digital data transmitted via interference-affected radio channels
06/24/1998EP0848870A1 Equalizer with extended channel estimation for a receiver in a digital transmission system
06/24/1998EP0848869A2 Transmission system and receiver with improved detection, and improved detection method
06/24/1998EP0848847A1 Displaying data transmitted by radio
06/24/1998CN2285032Y Wireless automatic station (dock) name reporting device
06/24/1998CN1185880A Method and apparatus for determining coding rate in a wireless communication system
06/24/1998CN1185876A Paging service using broad casting
06/24/1998CN1185873A Frequency tracking for communication signals using M-ary orthogonal walsh modulation
06/24/1998CN1185869A Circuit arrangement with afilter quadripole
06/24/1998CN1185707A Expanded spectrum receiver for communication system
06/24/1998CN1185703A Multi-model self-adaption telephone set
06/24/1998CN1185702A Time-division-locking indicating order circuit of power control and business channel decoding and method thereof
06/24/1998CN1185697A Performance information broadcasting system, broadcasting device and receiving terminal device
06/24/1998CN1185691A Code multi-way multiplex transmission device
06/24/1998CN1185689A Code multi-way multiplex radio device
06/24/1998CN1185687A Radio receiving system providing improved transmission quality
06/23/1998USRE35829 Binary phase shift keying modulation system and/or frequency multiplier
06/23/1998US5771471 Charge regulator for a radio telephone
06/23/1998US5771470 Control of a power amplifier stage of a portable transceiver
06/23/1998US5771469 Portable telephone
06/23/1998US5771468 Multi-purpose base station
06/23/1998US5771466 Portable radio transceiver having rotary antenna
06/23/1998US5771464 Radio communication apparatus for use in dual-mode radio communication system and having gain variable control means dependent on the set mode
06/23/1998US5771448 Battery pack having personality data stored therein
06/23/1998US5771445 Portable radio receiver with built-in antenna
06/23/1998US5771444 Efficient transmitter
06/23/1998US5771442 Dual mode transmitter
06/23/1998US5771441 Small, battery operated RF transmitter for portable audio devices for use with headphones with RF receiver
06/23/1998US5771293 Switching arrangement for mobile radio receivers
06/23/1998US5771288 Multiple access coding for radio communications
06/23/1998US5771277 Modem for connection to a telephone line
06/23/1998US5771263 Communication system control method and communication system using the method
06/23/1998US5771226 Data rate detector for terminal station receiver
06/23/1998US5771225 System for processing signals in parallel
06/23/1998US5771023 Broad band helical antenna
06/23/1998US5771018 Hand-held navigation radio with CDI for VOR and localizer
06/23/1998US5770970 Transmitter of wireless system and high frequency power amplifier used therein
06/23/1998US5769785 Signal processing apparatus and method
06/23/1998CA2225086A1 Mobile communications handsets
06/23/1998CA2104215C Radio receiver for forming a baseband signal of time-varying frequencies
06/18/1998WO1998026614A2 Base station for a radio telecommunications system
06/18/1998WO1998026610A2 Hybrid instruction set for versatile digital signal processing system
06/18/1998WO1998026609A2 Versatile digital signal processing system
06/18/1998WO1998026562A1 Casing for a cordless telephone, and assembly of a casing with a cordless telephone
06/18/1998WO1998026544A1 Method and apparatus for digital symbol detection using transmission medium response estimates
06/18/1998WO1998026542A2 Network for transmitting data packets and method for operating the network
06/18/1998WO1998026526A1 Method and apparatus for dynamic channel configuration
06/18/1998WO1998026525A1 Portable radio telephone equipment and control thereof
06/18/1998WO1998026518A1 A circuit and method for controlling the power used by a portable radiotelephone
06/18/1998WO1998026516A1 Method for operating a network of secondary users
06/18/1998WO1998026515A1 Method for transmission of data packets
06/18/1998WO1998026514A1 Modular assembly for centrally locating cellular telephone accessory connections
06/18/1998WO1998026513A1 Mobile telephone
06/18/1998WO1998026503A1 Efficient parallel-stage power amplifier
06/18/1998WO1998019465A3 Method of combining several signals, and base station
06/18/1998WO1998018210A3 Receiving method and receiver
06/18/1998WO1998009385A3 Spatio-temporal processing for communication
06/18/1998DE19755102A1 Electronic circuit for wireless reception of HF signal
06/18/1998DE19753657A1 Waveform quality measurement of signal converted to digital format
06/18/1998DE19708120C1 Portable communications apparatus with carrier clip
06/18/1998DE19651971A1 Radiation reduction arrangement for mobile telephones
06/18/1998CA2274843A1 Method and apparatus for digital symbol detection using transmission medium response estimates
06/18/1998CA2223942A1 Remote control signal receiver and method, and remote control system
06/18/1998CA2222376A1 Method for inputting parameters into a device with a terminal device adapted for connection to the telephone network, as well as devices therefor
06/17/1998EP0848566A2 GSM transceiver with portable protocol stack
06/17/1998EP0848516A1 A communication system, for instance for biomedical applications
06/17/1998EP0848504A2 Quadrature phase shift keying spread spectrum communication system
06/17/1998EP0848503A2 CDMA chip synchronization circuit
06/17/1998EP0848502A2 System and method for reducing receiver power consumption based on received signal strength
06/17/1998EP0848123A2 A remote keyless entry system
06/17/1998EP0847899A1 A phone holder
06/17/1998EP0847657A1 Method and apparatus for communicating in a wireless communication system
06/17/1998EP0847632A1 Method and system for subtractive multiple access interference cancellation
06/17/1998EP0847631A1 Common receive module for a programmable digital radio
06/17/1998EP0847630A2 Tv/fm receiver for multimedia applications
06/17/1998EP0847629A2 Digitally programmable multifunction radio system architecture
06/17/1998EP0847628A2 Common transmit module for a programmable digital radio
06/17/1998EP0847619A1 Circuit arrangement comprising a cartesian amplifier
06/17/1998EP0847559A1 Methods and systems for designing and making signal-processor circuits with internal companding, and the resulting circuits
06/17/1998EP0847341A1 Audio device for vehicles, especially motor vehicles
06/17/1998EP0771435A4 Method and apparatus for offset frequency estimation for a coherent receiver
06/17/1998EP0516741B1 Hybrid analog/digital signal processing
06/17/1998CN1185259A Adapter module for direct-to-home television broadcast receiving system
06/17/1998CN1185247A Full duplex ultrawide-band communication system and method
06/17/1998CN1185246A Rodio Frequency transceiver system for digital communication
06/17/1998CN1185245A Process and receiver for reconstruction of signals distorted by multi-directional diffusion
06/17/1998CN1185243A Multiple transmission channel group transmitter
06/17/1998CN1185064A Digital matched filter
06/17/1998CN1038804C Electric appliance controller by wireless calling device
06/17/1998CN1038788C Apparatus for accepting and retaining information cards
06/16/1998US5768697 Radio receiver selecting broadcast frequencies based upon stored time data
06/16/1998US5768695 Apparatus and method for providing a flexible ramp up and ramp down of the sections of a radio in a wireless local area network
06/16/1998US5768693 Method and apparatus for controlling frequency of a multi-channel transmitter
06/16/1998US5768692 Transmission and reception matching method for a cordless communication apparatus and apparatus thereof