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)
07/2000
07/04/2000US6084918 Data transmission method and devices
07/04/2000US6084905 Frequency hopped wireless communication system and communication equipment using a preamble field and information transfer field succeeding the preamble field
07/04/2000US6084904 Method and apparatus for adjusting a power control setpoint threshold in a wireless communication system
07/04/2000US6084884 CDMA communication method and group spreading modulator
07/04/2000US6084865 Dual mode satellite/cellular terminal
07/04/2000US6084851 Demodulating method and apparatus, receiving method and apparatus, and communication apparatus
07/04/2000US6084530 Modulated backscatter sensor system
07/04/2000US6084503 Radio-interrogated surface-wave technology sensor
07/04/2000US6083020 Device for connecting a car antenna to a portable telephone
07/04/2000US6082530 Mobile telephone case
07/04/2000CA2220239C Selective filtering for co-channel interference reduction
07/04/2000CA2204306C Mobile communication system
07/04/2000CA2159134C Spread spectrum code pulse position modulated receiver having delay spread compensation
07/04/2000CA2093228C Cdma subtractive demodulation
06/2000
06/29/2000WO2000038475A2 A communication device
06/29/2000WO2000038462A1 Cellular radio communication method, control equipment and mobile stations using said method
06/29/2000WO2000038448A1 Flexible cdma combiner
06/29/2000WO2000038435A2 Communication device
06/29/2000WO2000038429A1 Local video and audio network with optical data line
06/29/2000WO2000038418A1 Method and system for providing a link to programs in a program guide
06/29/2000WO2000038393A2 Modular communication device interface
06/29/2000WO2000038385A1 Quadrature receiver, communication system, signal processor, method of calculating direct current offset, and method of operating a quadrature receiver
06/29/2000WO2000038357A1 Digital broadcasting receiver
06/29/2000WO2000038344A1 Compensation for phase errors caused by clock jitter in a cdma communication system
06/29/2000WO2000038343A1 Automatic frequency control loop multipath combiner for a rake receiver
06/29/2000WO2000038342A2 Receiving method and receiver
06/29/2000WO2000038341A1 An antenna switch module
06/29/2000WO2000038340A1 Apparatus and method for storing and playing back of digital audio data on wireless mobile terminal
06/29/2000WO2000038339A1 Internal circuit for adaptive modeselection of multi-mode rf integrated circuit
06/29/2000WO2000038337A1 An impromptu mode conversion and an information/communication device capable of performing impromptu mode conversion
06/29/2000WO2000038336A1 Receiver and method of receiving
06/29/2000WO2000038335A1 Multifunction fm receiver
06/29/2000WO2000038334A1 Transmission circuit of a radio frequency signal
06/29/2000WO2000038323A1 Frequency synthesizer module for dual band radio
06/29/2000WO2000038313A1 A transceiver
06/29/2000WO2000038180A1 Noise suppression in a mobile communications system
06/29/2000WO2000038107A1 A high gain input stage for a radio frequency identification (rfid) transponder and method therefor
06/29/2000WO2000038039A1 Clustering of task-associated objects for effecting tasks among a system and its environmental devices
06/29/2000WO2000037963A1 Digital correlator
06/29/2000WO2000013428A3 Portable communication equipment with mode conversion property and mode conversion control system
06/29/2000WO2000011877A3 Reverse closed loop power control in control hold state for cdma communication system
06/29/2000WO1999039299A3 Apparatus and method for counting mutual events through interaction between devices of the same kind
06/29/2000DE19960161A1 Detection of speech modulated transmissions, to provide an automatic classification, involves standardizing average energy and forming average phoneme period
06/29/2000DE19959642A1 Compensation of transmission performance deviations of mobile telephone channels, using adjustment channels chosen from those for mobile telephone services
06/29/2000DE19957502A1 Switch arrangement for wireless theft protection system has transmitter and receiver held together by attachment arrangement, each with power supply circuit, power supply on/off switch
06/29/2000DE19904377C1 Offset voltage compensation method for radio reception circuits
06/29/2000DE19858493A1 Lokales Netzwerk Local network
06/29/2000DE19844809C1 Verfahren zum Versorgen eines Gebietes mit Informationen sowie Informationssystem zur Durchführung des Verfahrens A method for providing a region with information, and information system for performing the method
06/29/2000DE19825790C1 Automobile radio with control panel enclosed by flap, has hinge arrangement for flap which is retained by magnet
06/29/2000CA2371806A1 Modular communication device interface
06/28/2000EP1014722A2 Method and apparatus for filtering interference and nonlinear distortions
06/28/2000EP1014599A1 Radio communication device and transmitting power control method
06/28/2000EP1014598A2 Reconfigurable satellite with modifiable antenna coverage and communications backup capabilities
06/28/2000EP1014594A1 Hot stand-by transmitter switching apparatus
06/28/2000EP1014593A2 CDMA Rake receiver operable in a time division fashion
06/28/2000EP1014592A2 Mobile radio terminal and surface acoustic wave antenna duplexer
06/28/2000EP1014591A2 Linearizing circuit for a transmitter
06/28/2000EP1014586A2 Method for balancing a charge pump output current, charge pump structure and wireless communication device
06/28/2000EP1014576A2 Method for driving a receiver stage and respective apparatus
06/28/2000EP1014574A1 Receiver, digital filtering device and method
06/28/2000EP1014570A2 Burst-type transmission output power control apparatus capable of reducing phase errors
06/28/2000EP1014569A1 Catv tuner apparatus
06/28/2000EP1014566A2 Dual mode class D amplifier
06/28/2000EP1014562A1 Demodulator and method for the demodulation of modulated RF signals
06/28/2000EP1014561A2 Intermediate frequency generating circuit
06/28/2000EP1014560A1 Radio apparatus including a frequency synthesizer and method for phase and/or frequency modulation in a frequency synthesizer
06/28/2000EP1014480A2 High sensitivity radio receiver
06/28/2000EP1014300A1 Capacitive modulation in a electromagnetic transponder
06/28/2000EP1014275A1 Pipeline processing for data channels
06/28/2000EP1013113A1 Forward link power control device and methods for a mobile communication system supporting transmission diversity
06/28/2000EP1013020A1 Method and apparatus for providing orthogonal spot beams, sectors, and picocells
06/28/2000EP1013016A1 Method of storing af data for an rds receiver and apparatus thereof
06/28/2000EP1013009A1 Method for generating quasi-orthogonal code and spreader using the same in mobile communication system
06/28/2000EP1012994A1 Cellular communications systems
06/28/2000EP1012993A2 A radio front-end circuit
06/28/2000EP1012992A1 Receiver in an antenna base
06/28/2000EP1012991A1 Receiver apparatus, and associated method, for receiving a receive signal transmitted upon a channel susceptible to interference
06/28/2000EP1012990A1 Systems and methods for transmitting mobile radio signals
06/28/2000EP1012989A1 Frame structure for cellular telephones
06/28/2000EP1012969A1 Wideband channelization with variable sampling frequency
06/28/2000EP1012962A1 Multi-carrier transmitting apparatus and method
06/28/2000EP1012902A2 Quasi-orthogonal code mask generating device in mobile communication system
06/28/2000EP1012843A1 Recording and reproducing apparatus provided with teletext recording capability
06/28/2000EP1012793A1 System and method for locating individuals and equipment, airline reservation system, communication system
06/28/2000CN1258403A Method and transmitter device for transmitting data symbols from user signals via radio interface of mobile communication system
06/28/2000CN1258400A Device and method for controlling powers of orthogonal channel and quasi-orthogonal channel in CDMA communication system
06/28/2000CN1258396A Integrable radio receiver circuit for frequency-modulated digital signals
06/28/2000CN1258395A Tuning with diode detector
06/28/2000CN1258278A Cyanoguanidines as cell proliferation inhibitors
06/28/2000CN1258182A Radio phone calculagraph comprising user identity module card
06/28/2000CN1258181A Enhanced picture user interface for mobile wireless telephone
06/28/2000CN1258180A Enhanced picture user interface for mobile wireless telephone
06/28/2000CN1258179A Device capable of making subscriber see message display in folding cover closed folding mobile phone
06/28/2000CN1258178A Method for providing signal receiving circumstance of mobile phone
06/28/2000CN1258176A Device for spreading or despreading frequency spectrum transmitted in mobile radio system
06/28/2000CN1258146A Time-division multiplex buffering
06/28/2000CN1258145A 1 : N redundance in communication system
06/28/2000CN1258144A Amplitude level for control of transmission base band signals based on transmission code quantity
06/28/2000CN1258141A Code-division multiple access receiver working in time-division mode, and control method thereof
06/28/2000CN1258140A Radio communication with multiple transmitting modes