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)
08/1998
08/26/1998CN1191458A Phase correction method and apparatus for spectrum spread wireless communication receiver
08/26/1998CN1191432A Symbolic division multiple communication apparatus
08/26/1998CN1191431A Symbolic division multiple communication apparatus
08/26/1998CN1191430A Transmitter/receiver for use in multichannel time division duplexing system
08/26/1998CN1191425A Receipt circuit for TDMA radio apparatus
08/26/1998CN1191424A Remote control signal receiver and method, and remote control system
08/26/1998CN1191423A Method and apparatus for transmitting radio frequency signals
08/26/1998CN1191422A Dual band transmitter
08/26/1998CN1191406A Portable electronic device and battery pack saving power consumption
08/26/1998CN1191304A Device and method for monitoring system environment of outdoor base station
08/26/1998CA2230156A1 Information encoding method and apparatus, information decoding method and apparatus and information recording medium
08/25/1998US5799256 Battery saving method and communication device using prediction of user location, movement and actions
08/25/1998US5799246 Radio with synthesizer and VCO
08/25/1998US5799201 Signal processor
08/25/1998US5799133 Training process
08/25/1998US5799038 Method for measuring modulation parameters of digital quadrature-modulated signal
08/25/1998US5799035 Digital circuit for differential receiver for direct sequence spread spectrum signals
08/25/1998US5799034 Frequency acquisition method for direct sequence spread spectrum systems
08/25/1998US5799033 Method of error protected transmission, method of error protected reception of data and transmission system for transmission of data
08/25/1998US5799013 Method of processing a sequential signal
08/25/1998US5799011 CDMA power control channel estimation using dynamic coefficient scaling
08/25/1998US5799010 Code division multiple access (CDMA) communication system
08/25/1998US5799005 System and method for determining received pilot power and path loss in a CDMA communication system
08/25/1998US5799004 Method for eliminating multiple-access interference and a mobile station
08/25/1998US5799000 Highly bandwidth-efficient communications method
08/25/1998US5798984 Timepiece including a receiving and/or transmitting antenna for radio broadcast signals
08/25/1998US5798785 Terminal for suggesting programs offered on a television program delivery system
08/25/1998US5798711 High throughput embedded code hopping system with bypass mode
08/25/1998US5798705 Communication system capable of easily reforming to have communication units
08/25/1998US5798674 Band Limited AM modulator using linear power amplification
08/25/1998US5798665 Bias controller for decreasing bias current supplied to amplifier without sacrifice if distortion
08/25/1998CA2124887C Automatic gain control apparatus
08/20/1998WO1998036577A1 Predictive coding method and decoding method for dynamic image
08/20/1998WO1998036506A1 Code division multiple access signal transmitter, cdma network base station and terminal comprising such a transmitter
08/20/1998WO1998036505A1 Method of reducing interference, and radio system
08/20/1998WO1998036504A1 Combined radio telephone handset
08/20/1998WO1998036503A1 Radio transmitting apparatus for mobile radiotelephone service with information concerning the operating of the hf-amplification circuit
08/20/1998WO1998036502A1 Mobile radio transmitter with normal and talk-around frequency bands
08/20/1998WO1998036501A2 Paging transmitter
08/20/1998WO1998036469A1 Antenna device for automotive vehicle
08/20/1998WO1998036395A2 Device and method for producing coded high-frequency signals
08/20/1998WO1998035781A1 Working machine and its communication method
08/20/1998WO1998035544A2 System and method for harmonic interference avoidance in carrier recovery for digital demodulation
08/20/1998WO1998027667A3 Automatic channel switching for jamming avoidance in burst-mode packet data wireless communication networks
08/20/1998WO1998025353A3 Arrangement in a communication system
08/20/1998WO1998021842A3 Despreading of direct sequence spread spectrum communications signals
08/20/1998WO1998015075A3 Telematic device for a motor vehicle with car radio, position fixing system and radio telephone
08/20/1998DE19806097A1 Voltage controlled oscillator for transmitting high frequency signals
08/20/1998DE19752765A1 Interference equalising circuit for radio receiver
08/20/1998DE19748913A1 Local multipoint distribution service (LMDS) transceiver
08/20/1998CA2280142A1 Device and method for producing coded high-frequency signals
08/20/1998CA2279850A1 System and method for harmonic interference avoidance in carrier recovery for digital demodulation
08/19/1998EP0859485A2 Code division multiplex communication system
08/19/1998EP0859472A1 Code division multiple access transmitter
08/19/1998EP0859471A2 Code division multiplex communication system
08/19/1998EP0859466A1 Digital AFC circuit having a rounding circuit
08/19/1998EP0859464A2 Mobile station having dual band RF detector and gain control
08/19/1998EP0859463A2 Time division multiple access system radio equipment and synthesizer output level adjusting circuit
08/19/1998EP0859306A2 Electronic equipment control apparatus, electronic equipment control method and electronic equipment
08/19/1998EP0858695A1 Apparatus and method for digital data transmission
08/19/1998EP0858694A1 Compact microwave terrestrial radio utilizing monolithic microwave integrated circuits
08/19/1998CN2288553Y Automatic transmitting-receiving sound monitor
08/19/1998CN1191045A Control message transmission in telecommunications system
08/19/1998CN1190858A Clock with antenna for receiving and/or transmitting radio broadcasting signal
08/19/1998CN1190856A Information input device, cursor moving device and portable telephone
08/19/1998CN1190827A 接收电路 Receiving circuit
08/18/1998US5797091 Personal communication system and method of use
08/18/1998US5797090 Radio receiving apparatus having current consumption reducing function
08/18/1998US5797088 Vehicular audio system incorporating detachable cellular telephone
08/18/1998US5797087 Method and apparatus for performing a preset listening operation for a radio broadcast
08/18/1998US5797085 Wireless communication system for reliable communication between a group of apparatuses
08/18/1998US5797084 Radio communication equipment
08/18/1998US5796959 Noise shaping technique for spread spectrum communications
08/18/1998US5796822 Portable electronic device having a rotatable earpiece
08/18/1998US5796788 Method and apparatus for interference decorrelation in time and space
08/18/1998US5796785 Digital audio broadcast receiver having circuitry for retrieving embedded data and for supplying the retrieved data to peripheral devices
08/18/1998US5796777 Apparatus and method for digitizing and detecting a received radio frequency signal
08/18/1998US5796776 Code sequence generator in a CDMA modem
08/18/1998US5796775 Path-diversity CDMA reception by detecting lower-peak correlation sequence following removal of higher-peak sequences
08/18/1998US5796774 Spread spectrum communication apparatus with conversion of input patterns to uniform spectral patterns
08/18/1998US5796773 Compensating for multipath errors, ionospheric time delay and noise errors in differential satellite positioning systems
08/18/1998US5796772 Multi-band, multi-mode spread-spectrum communication system
08/18/1998US5796757 Methods and apparatus for performing rate determination with a variable rate viterbi decoder
08/18/1998US5796717 System for switching from working units to stand-by units
08/18/1998US5796695 Information transmission method and apparatus and information receiving method and apparatus
08/18/1998US5796352 Audio video equipment system with bus line and method of establishing a connection setting for the audio video equipment system
08/18/1998US5796309 Temperature compensated wide dynamic range power detection circuitry for portable RF transmission terminals
08/18/1998CA2154584C An amplifier for use in a radiotelephone
08/18/1998CA2152607C Electronic device coupling apparatus
08/18/1998CA2146773C Charge regulator for electronic device and associated method
08/18/1998CA2141272C Signal reception system comprising an adaptive filter
08/18/1998CA2137460C Method and apparatus for power estimation in an orthogonal coded communication system
08/18/1998CA2077343C Method and apparatus for providing high data rate traffic channels in a spread spectrum communication system
08/18/1998CA2077104C Reception of tdma digital data signal with compensation for channel variations
08/18/1998CA2013734C Multi-mode electronic article surveillance system
08/13/1998WO1998035516A2 Removable data store
08/13/1998WO1998035510A2 Remote wireless unit having reduced power operating mode
08/13/1998WO1998035495A2 Multichannel television sound stereo and surround sound encoder
08/13/1998WO1998035473A2 Remote wireless unit having reduced power operating mode
08/13/1998WO1998035457A1 Delay compensation