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)
09/1999
09/30/1999WO1999037099A3 Systems and methods for wireless communications
09/30/1999DE19813368A1 Message transmission method enables even long lines forming part of the transmitted message to be displayed meaningfully on different display devices with different display capacities
09/30/1999DE19812728A1 Anordnung für einen Antennenschwingkreis für kontaktlose Übertragungssysteme Arrangement for an antenna resonant circuit for contactless transmission systems
09/30/1999DE19812277A1 Mobile telephone with transmit and receiver parts in casing
09/30/1999DE19811775A1 Plug-in card for expanding a personal computer
09/30/1999DE19811489A1 Portable high frequency transmitter
09/30/1999CA2325423A1 Method of communication between a plurality of remote units and a control unit
09/30/1999CA2325421A1 Spread spectrum communication device and spread spectrum communication method
09/30/1999CA2323004A1 Method for digital equalisation, and radio communication receiver implementing said method
09/29/1999EP0946085A1 Electronic apparatus having an environmentally sealed external enclosure
09/29/1999EP0946060A1 Menu-driven television program access system and method
09/29/1999EP0946010A2 Receiver for receiving digital broadcast programmes
09/29/1999EP0945996A1 CDMA receiver with parallel interference suppression and weighting
09/29/1999EP0945995A2 RAKE receiver with adaptive delay profile measurement
09/29/1999EP0945994A2 Adaptive acquisition system for spread spectrum transmissions compensating for frequency offset and noise
09/29/1999EP0945993A2 Period determination of sampled pseudo-random binary sequence signals
09/29/1999EP0945992A1 CDMA array processor
09/29/1999EP0945991A2 Dual band mobile phone handset
09/29/1999EP0945990A1 Multiband receiver for multiband radio signals and multiband mobile telephone comprising a receiver
09/29/1999EP0945978A1 Apparatus for stabilizing transmission output
09/29/1999EP0945917A2 Antenna arrangement and mobile terminal
09/29/1999EP0945911A1 Satellite broadcast receiving converter
09/29/1999EP0945829A2 Arrangement for a resonant circuit coil for contactless communicationsystems
09/29/1999EP0944977A1 Method and apparatus for digital symbol detection using transmission medium response estimates
09/29/1999EP0944973A1 Method for suppressing interference signals during transmission of digital signals
09/29/1999EP0944971A2 Wideband code-division-multiple access system and method
09/29/1999EP0944929A1 Method for a transceiver to select a channel
09/29/1999EP0772920B1 Mobile radio transmitting/receiving device with transmitting power regulation circuit
09/29/1999CN1230310A Receiving method and receiver
09/29/1999CN1230309A Compensation for second order intermodulation in homodyne receiver
09/29/1999CN1230308A Data transmission equipment
09/29/1999CN1230089A Mobile telephone apparatus
09/29/1999CN1230060A Reception method and apparatus in CDMA system
09/29/1999CN1230059A Communication device and method for interference suppression using adaptive equalization in spread spectrum communication system
09/29/1999CN1230058A Method for calculating phase shift coefficients of M sequence
09/29/1999CN1230048A Method and apparatus for controlling and maintaining tower top low noise amplifier
09/29/1999CN1230036A Band elimination dielectric filter, dielectric duplexer and communication device using the same
09/28/1999US5960401 Method for exponent processing in an audio decoding system
09/28/1999US5960400 Signal transfer acceleration system and method for accelerating transfer of an audio signal through a communications channel
09/28/1999US5960390 Coding method for using multi channel audio signals
09/28/1999US5960367 Incoming calling system
09/28/1999US5960366 Wrist-watch wireless telephone
09/28/1999US5960346 Apparatus and method for reducing magnetic fields in radio telephones
09/28/1999US5960335 Digital radio communication apparatus with a RSSI information measuring function
09/28/1999US5960334 Amplifier and portable telephone apparatus using the same
09/28/1999US5960328 FM radio receiver and signal processing device used therein
09/28/1999US5960327 Method for a transceiver to select a channel
09/28/1999US5960325 Method and apparatus for conserving energy in a radio communication system
09/28/1999US5960090 Process and device for wireless transmission
09/28/1999US5960045 Method of digital differential demodulation
09/28/1999US5960037 Encoding of a plurality of information signals
09/28/1999US5960033 Matched filter
09/28/1999US5960032 High speed data transmission using expanded bit durations in multiple parallel coded data streams
09/28/1999US5960031 Ultrawide-band communication system and method
09/28/1999US5960030 Carrier detection unit and carrier detection method
09/28/1999US5960029 Coherent dual-channel QPSK modulator/demodulator for CDMA systems, and modulating/demodulating methods therefor
09/28/1999US5960028 Spread spectrum communication system
09/28/1999US5959751 Universal remote control device
09/28/1999US5959699 Reception mode control in radio receivers for receiving both VSB and QAM digital television signals
09/28/1999US5959583 Antenna adapter
09/28/1999US5959550 Remote meter reading system
09/28/1999US5959539 Apparatus for the remote control of electronic devices with key allocation
09/28/1999US5959497 Process for controlling the power of the transmission amplifier of radio equipment
09/28/1999US5957718 Device for receiving a memory card
09/28/1999US5957357 Flexible receptacle device
09/28/1999CA2181809C Split frequency band signal digitizer and method
09/28/1999CA2181807C Wideband frequency signal digitizer and method
09/28/1999CA2156038C Radio modem
09/28/1999CA2151737C Correlation detector and communication apparatus
09/28/1999CA2143144C Modulated backscatter wireless communication system having an extended range
09/28/1999CA2125101C Radio frequency control system
09/28/1999CA2108233C Method and apparatus for reducing the peak-to-average power in multi-carrier rf communication systems
09/24/1999CA2261554A1 Electronic apparatus having an environmentally sealed external enclosure
09/23/1999WO1999048264A1 Folding communication device
09/23/1999WO1999048259A1 Direct frequency selection and down-conversion for digital receivers
09/23/1999WO1999048221A1 Adaptive reacquisition time in a slotted paging environment
09/23/1999WO1999048220A1 Combiner circuit for dual band voltage controlled oscillators
09/23/1999WO1999048201A2 Tuning with diode detector
09/23/1999WO1999039484A3 Transmission method and radio system
09/23/1999WO1999035706A3 Shaped directional antenna array for improved location information
09/23/1999DE19908594A1 Verfahren und Gerät zur Erhöhung einer Ausgangsimpedanz eines Sendeverstärkers während des Empfangsmodus einer 2-Wege-Nachrichtenübertragungseinheit Method and apparatus for increasing an output impedance of a transmission amplifier during the receive mode of a two-way communication unit
09/23/1999DE19902130A1 Fernsteuervorrichtung eines Staubsaugers Remote control apparatus of a vacuum cleaner
09/23/1999DE19811839A1 Circuit for controlling amplifier output power
09/23/1999DE19810719A1 Method of improving the noise resistance of receivers for satellite navigation, esp. for narrowband noise sources
09/22/1999EP0944273A1 Method of and apparatus for power saving and on board electronic equipment
09/22/1999EP0944221A2 Communication device and method for operating the same
09/22/1999EP0944213A2 Digital broadcast receiver
09/22/1999EP0944201A2 System and method for measuring channel quality in a communication system
09/22/1999EP0944198A2 A method and apparatus for assigning codes
09/22/1999EP0944193A2 Receiver for the reception of digital broadcasts
09/22/1999EP0944182A2 Method and apparatus for adjusting transmission power of a CDMA terminal
09/22/1999EP0944181A2 Radio information communication system using multi-carrier spread spectrum transmission system and signal collision detection method
09/22/1999EP0944180A2 Radio information communication system using multi-carrier spread spectrum transmission system and error correction method
09/22/1999EP0944179A2 Radio information communication system
09/22/1999EP0944178A2 Synchronization detection device and method in DS-CDMA
09/22/1999EP0944176A1 Dual mode communication device and method of operation
09/22/1999EP0944175A1 Filter for mobile telephone apparatus
09/22/1999EP0944172A2 Phase-locked loop for generating an output signal in two or more frequency ranges
09/22/1999EP0944015A2 Interrogator with variable maximum output power
09/22/1999EP0943496A1 Car radio with pivotable front