Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › 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
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)
04/2000
04/25/2000CA2175884C Portable communication device
04/25/2000CA2151284C Adaptive spread spectrum receiver
04/22/2000CA2281027A1 Cdma transmitter and method generating combined high-rate and low-rate cdma signals
04/20/2000WO2000022858A1 Access technique of channel hopping communications system
04/20/2000WO2000022857A1 Telecommunications terminals
04/20/2000WO2000022851A1 Dynamic allocation of carrier frequencies in a wireless broadband base station
04/20/2000WO2000022850A1 Method for dynamic allocation of wireless base station dsp resources
04/20/2000WO2000022849A1 Method for dynamic allocation of wireless base station dsp resources with integrated rate converters
04/20/2000WO2000022846A1 Broadband base station architecture for advanced resource management
04/20/2000WO2000022837A2 A variable sleep mode for mobile stations in a mobile communications network
04/20/2000WO2000022767A1 Transmitter-receiver for data signals, system for transmitting data signals, device for assembly in a transmitter-receiver and synchronization method
04/20/2000WO2000022754A1 Baseband frequency hopping utilizing time division multiplexed mapping between a radio transceiver and digital signal processing resources
04/20/2000WO2000022752A1 Transmission apparatus and method of signal-point generation
04/20/2000WO2000022749A1 Correlator with low complexity and high speed
04/20/2000WO2000022748A1 Offline page monitoring
04/20/2000WO2000022747A1 Combined searching and page monitoring using offline sample storage
04/20/2000WO2000022746A1 A cdma receiver that shares a tracking device among multiple rake branches
04/20/2000WO2000022745A1 Method and apparatus for embedding auxiliary data in primary data signal using frequency and time domain processing
04/20/2000WO2000022744A1 Method and generator for generating orthogonal spreading code in cdma radio system
04/20/2000WO2000022743A1 Method and apparatus for digital signal compression without decoding
04/20/2000WO2000022735A1 Radio receiver
04/20/2000WO2000022711A1 Fault tolerant bus for clustered system
04/20/2000WO2000022451A2 A dual channel microwave transmit/receive module for an active aperture of a radar system
04/20/2000WO2000022345A1 Light assembly removably attachable to radio and battery assembly
04/20/2000WO2000005902A3 Initial acquisition and frame synchronization in spread spectrum communication system
04/20/2000WO2000004670A3 Method for transmitting information via digital transmission signals
04/20/2000DE19948599A1 System for encoding and decoding video data with a method for sending it back operates a selective re-transmission process regarding a local bit error in an already transmitted video data packet using a buffer.
04/20/2000DE19946757A1 Digital subscriber receiving device and method for capturing signals sensitive to amateur radio interference prevents an automatic amplification and an equalizer from being initialized if amateur radio interference is detected.
04/20/2000DE19943306A1 Tariff charging method for mobile telephone with digital music player logs tariff information for each played music title before transmission of recorded tariff to telephone service provider
04/20/2000DE19908908A1 Setting loudness of audio/video systems in vehicle involves reducing loudness or muting when reversing detected by use of reverse gear
04/20/2000DE19844143A1 Programmable HF block for mobile radio device
04/20/2000DE19844142A1 Programmable HF block for mobile radio device
04/20/2000DE19836952A1 Sende- und Empfangsvorrichtung Transmission and reception apparatus
04/20/2000CA2347531A1 Combined searching and page monitoring using offline sample storage
04/20/2000CA2346373A1 Fault tolerant bus for clustered system
04/20/2000CA2346092A1 Method and apparatus for embedding auxiliary data in primary data signal using frequency and time domain processing
04/20/2000CA2345783A1 Access technique of channel hopping communications system
04/20/2000CA2344400A1 A dual channel microwave transmit/receive module for an active aperture of a radar system
04/19/2000EP0994604A2 Method and apparatus for random backoff based access priority
04/19/2000EP0994603A2 Methods and apparatus for random chip delay access priority
04/19/2000EP0994593A1 Method of allocating orthogonal codes in a code division multiple access mobile radio system using codes of variable length
04/19/2000EP0994589A2 Receiver for receiving Digital Audio Broadcast (DAB) programmes
04/19/2000EP0994581A1 Communication method and communication device
04/19/2000EP0994573A2 Method and apparatus for generating multiple matched-filter PN vectors in a CDMA demodulator
04/19/2000EP0994572A2 Multistage matched filter
04/19/2000EP0994571A2 Despreading matched filter in CDMA reception apparatus
04/19/2000EP0994570A1 Spread spectrum channel estimator with inter-path interference cancellation
04/19/2000EP0994569A2 Audio signal processing apparatus
04/19/2000EP0994568A1 Dual band transceiver with two antennas
04/19/2000EP0994567A2 Orthogonally polarized transmission antenna and method of transmission
04/19/2000EP0994464A1 Method and apparatus for generating a wide-band signal from a narrow-band signal and telephone equipment comprising such an apparatus
04/19/2000EP0994364A1 Procedure for reading the data stored in a transponder and a transponder system for the execution of the procedure
04/19/2000EP0993754A1 Device and method for transmitting common channel message in cdma communication system
04/19/2000EP0993748A1 Plug-in telecommunication card
04/19/2000EP0993740A2 A subscriber unit and method for use in a wireless communication system
04/19/2000EP0993728A1 Cellular telephone with voice dialing function
04/19/2000EP0993724A1 Method and apparatus for data transmission within a broad-band communication system
04/19/2000EP0993714A2 Method and system for controlling the use of satellite transmission capacity in terrestrial networks
04/19/2000EP0993706A2 Device and method for a mobile station for receiving signals transmitted from a base station
04/19/2000EP0993705A1 Multiple-rate direct sequence architecture utilizing a fixed chipping rate and variable spreading code lengths
04/19/2000EP0993704A2 Method and device for signal coding
04/19/2000EP0993703A1 Opposite polarization interference cancellation in satellite communication
04/19/2000EP0993702A2 Code division multiple access transmitter and receiver
04/19/2000EP0993673A1 Digital cellular phone with voice recognition function and method for controlling the same
04/19/2000EP0941586B1 Receiving device for a radio communication system for the reception of subscriber signals via an air interface
04/19/2000EP0932939A4 Satellite broadcast system receiver
04/19/2000EP0872020B1 Remote control system
04/19/2000EP0813770B1 Radio frequency signal reception using frequency shifting by discrete-time sub-sampling down-conversion
04/19/2000EP0673581B1 Set top terminal for cable television delivery systems
04/19/2000CN2375037Y Press key for anti-theft walkie-talkie
04/19/2000CN2375036Y Receiver of intelligence type infrared remote control transmitter
04/19/2000CN2375035Y Multifrequency wave suppressor
04/19/2000CN1251228A Method and apparatus for forming address
04/19/2000CN1251015A Method for transmitting continuous slot
04/19/2000CN1251012A Back-returning of push button
04/19/2000CN1251011A Method for transmission short message using mobile telephone set
04/19/2000CN1251009A Mobile telephone
04/19/2000CN1251008A Mobile telephone with radio function
04/19/2000CN1251003A Method for retransmitting video frequency data
04/19/2000CN1250993A Pilot frequency signal transmission technology, and digital communication system using said technology
04/19/2000CN1250985A Radio communication device, and integrated circuit used in such device
04/19/2000CN1250981A Method for distributing orthogonal codes in CDMA mobile radio system
04/19/2000CN1250979A Audio frequency coding or decoding device, optical recording media and audio frequency transmission method
04/19/2000CN1250975A Radio telecommunication device and method for controlling its power transmitting
04/19/2000CN1051666C Method for realizing ambience listening and radio unit therefor
04/19/2000CN1051662C Automatic radio interference and communication device therewith
04/19/2000CN1051624C Device for locating moving body having response unit
04/18/2000US6052713 Technique for transmitting/storing multi sub data
04/18/2000US6052603 System for interfacing a communication device with a radio for hands-free operation
04/18/2000US6052577 Portable telephone use limiting system and portable telephone
04/18/2000US6052576 Radiocommunications equipment with a security calls mode, and extension unit forming part of such equipment
04/18/2000US6052572 Mobile communication apparatus
04/18/2000US6052570 RSSI comparison circuit for a time duplex system
04/18/2000US6052569 Radio receiver having a first tuner circuit for receiving signals in a first and a second frequency range, and a second tuner circuit for receiving signals in the first and a third frequency range
04/18/2000US6052567 Portable radio apparatus with coaxial antenna feeder in microphone arm
04/18/2000US6052566 Combined RSSI/SNR-driven intermodulation-mitigation scheme for CDMA terminals
04/18/2000US6052559 Thermoelectrically cooled low noise amplifier and method
04/18/2000US6052554 Television program delivery system
04/18/2000US6052471 Smart audio receiver that automatically select an input audio source
04/18/2000US6052421 Method for separating a desired signal from an interfering signal
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