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)
09/2000
09/05/2000CA2175488C Method and apparatus for bifurcating signal transmission over in-phase and quadrature phase spread spectrum communication channels
09/05/2000CA2151581C An information transmission system for increasing the effective rate of transfer of information
08/2000
08/31/2000WO2000051393A1 Method and system for handoff between an asynchronous cdma base station and a synchronous cdma base station
08/31/2000WO2000051376A1 Method and arrangement in a radio receiver system with several standards
08/31/2000WO2000051371A1 System and process for shared functional block communication transceivers with gps capability
08/31/2000WO2000051358A2 Communication device with a main control button
08/31/2000WO2000051315A1 Mobile phone case
08/31/2000WO2000051314A1 Telephone device mounted in vehicle
08/31/2000WO2000051261A1 Method and apparatus for energy estimation in a wireless receiver capable of receiving multiple instances of a common signal
08/31/2000WO2000051260A1 Adaptive filter for a direct sequence spread spectrum receiver
08/31/2000WO2000051259A1 Interactive sporting-event monitoring system
08/31/2000WO2000051258A1 Circuit for jointly transmitting voice and data over a telephone line
08/31/2000WO2000051257A1 Radio terminal device
08/31/2000WO2000051256A1 Bus driver with data dependent drive strength control logic
08/31/2000WO2000051254A1 Radio receiver and method for preloading an average dc-offset into a channel filter
08/31/2000WO2000051251A1 Radio terminal
08/31/2000WO2000051249A1 Interference cancellation in radio stations
08/31/2000WO2000051089A1 Wireless communication system with increased dynamic range
08/31/2000WO2000022851A9 Dynamic allocation of carrier frequencies in a wireless broadband base station
08/31/2000WO2000021201A3 Delay searcher and delay trackers interaction for new delays assignment to rake fingers
08/31/2000WO2000002344A3 Method and device for wireless control of at least two different devices
08/31/2000DE19960808A1 Input signal switching apparatus for satellite broadcast reception converter, has inductors at interconnection stage, with different patterns to suppress resonance phenomenon of EM wave leaked during signal output
08/31/2000DE19928744A1 SIM card connector e.g. for cellular or mobile telephone, has pivoting axis of cover displaced towards front and optimized guiding geometry which is formed in recessed manner in contact support
08/31/2000DE19923408C1 CDMA reception method for mobile communications application
08/31/2000DE19907504A1 Audio equipment has input device for audio information contg. speech, memory, translation device, reproduction device for audible reproduction of translated output speech information
08/31/2000DE19907431A1 Ergonomic mobile telephone with aerial distanced from user's brain during telephoning
08/31/2000DE19905635A1 Tragbarer Funksender, insbesondere Funkschlüssel Portable radio stations, in particular radio key
08/31/2000DE19905157A1 Radio receivers with several antennas to which antenna amplifiers has control unit for controlling radio receiver connected with antenna amplifiers via control lines
08/31/2000DE10006688A1 Mobile radio telephone with direct link to another radio telephone in addition connection via mobile radio network
08/31/2000CA2365007A1 Method and system for handoff between an asynchronous cdma base station and a synchronous cdma base station
08/31/2000CA2363959A1 Bus driver with data dependent drive strength control logic
08/31/2000CA2362835A1 Interference cancellation in radio stations
08/31/2000CA2353589A1 Interactive sporting-event monitoring system
08/30/2000EP1032233A2 Radio communication base station apparatus and radio communication method
08/30/2000EP1032181A2 Radiotelephone buzzer
08/30/2000EP1032171A2 Frequency synchronisation for digital signals
08/30/2000EP1032168A2 Channel estimation, using interpolation based on Lagrange polynomials
08/30/2000EP1032154A2 Configurable multi-rate channelizer for use in multiple data rate applications
08/30/2000EP1032148A2 A system for electronic placement and broadcast of an advertisement
08/30/2000EP1032139A2 Estimation of system order in a radio system with spread spectrum technique
08/30/2000EP1032138A2 Reception path search method and searcher circuit of cdma reception device
08/30/2000EP1032137A1 Antenna with improved efficiency
08/30/2000EP1032136A1 Nyquist band frequency translation
08/30/2000EP1032135A2 Method for reducing interference in a receiver
08/30/2000EP1032132A1 An output buffer for a low voltage differential signaling receiver
08/30/2000EP1032121A1 Electronic apparatus with a power amplifier
08/30/2000EP1031934A2 Method and apparatus for dot product calculation
08/30/2000EP1031849A1 Device for receiving signals from satellite radio-navigation systems
08/30/2000EP1031848A1 Method for increasing interference immunity when receiving signals from satellite navigation systems and device for realising the same
08/30/2000EP1031236A1 Wireless receiving subsystem with antenna and switchable amplifier
08/30/2000EP1031202A2 Fast acquisition of direct sequence spread spectrum signals
08/30/2000EP1031201A1 Cdma direct spread overlay system and method of operation
08/30/2000EP1031199A1 Improvement in, or relating to, subscriber line transmission systems
08/30/2000EP1031196A1 Access channel slot sharing
08/30/2000EP1031191A2 Method and device at stereo acoustic echo cancellation
08/30/2000EP1031190A1 Method for actualizing information stored in a mobile communications terminal and a communications terminal
08/30/2000EP1031189A1 Low to higher if conversion for active filtered limited if systems
08/30/2000EP1031188A1 A field programmable radio frequency communications equipment including a configurable if circuit and method therefor
08/30/2000EP1031184A1 Front end interface circuit and method of tuning the same
08/30/2000EP0872034A4 Method and apparatus for providing acknowledgments within a communication system
08/30/2000EP0839412B1 Method and apparatus for spread-spectrum channel estimation
08/30/2000EP0830755B1 Fast locking mechanism for channelized ultrawide-band communications
08/30/2000EP0761049B1 Data communication system having channel switching means
08/30/2000EP0722627B1 Improvements in or relating to zero if receivers
08/30/2000CN1265242A Radio receiver
08/30/2000CN1265241A Method and mobile radiotelephone for digital data radiotransmission
08/30/2000CN1265240A Radio interface for small wireless installation in 2,4 GHz ISM band for industry, science and medicine
08/30/2000CN1265219A Model and command set for AV/C-based disc player/recorder subunit
08/30/2000CN1264996A Method for pre-processing wireless measured data in cellular mobile communication system
08/30/2000CN1264995A Foldable hand-held telephone
08/30/2000CN1264994A Radio communication base station appts. and radio communication method
08/30/2000CN1264981A Mobile telephone with lamp
08/30/2000CN1264970A Receiving route searching method and searching device circuit of CDMA receiving equipment
08/30/2000CN1264964A Design method for frequency-extending sequential code blocks for non-interference quasi-synchronous CDMA communication system
08/30/2000CN1264963A Multi-frequency band receiver
08/29/2000US6112152 RFID system in communication with vehicle on-board computer
08/29/2000US6112106 Antenna transmission coupling arrangement
08/29/2000US6112104 Method for controlling transmission of a pilot signal based on load measurements and cellular radio system operating according to such method
08/29/2000US6112094 Orthogonal frequency hopping pattern re-use scheme
08/29/2000US6112073 Apparatus for packaging electronics
08/29/2000US6112071 Quadrature-free RF receiver for directly receiving angle modulated signal
08/29/2000US6112070 High frequency receiving circuit for mobile communication apparatus
08/29/2000US6112069 Radio receiver and method for suppressing attenuation properties of a low frequency signal
08/29/2000US6112065 Low to higher if conversion for active filtered limited IF systems
08/29/2000US6112063 Automatic radio station memory programming
08/29/2000US6112061 Radio communication device
08/29/2000US6112060 Communication device with a signal switch assembly
08/29/2000US6112059 Off-channel leakage power monitor apparatus and method
08/29/2000US6112056 Low power, short range point-to-multipoint communications system
08/29/2000US6112055 Method and apparatus for conserving power in a pager
08/29/2000US6111964 Microphone device navigation system, communication device, audio device, and motor vehicle
08/29/2000US6111949 Method of rapid automatic hybrid balancing
08/29/2000US6111921 Estimator of error rate
08/29/2000US6111911 Direct sequence frequency ambiguity resolving receiver
08/29/2000US6111909 Wireless communication system
08/29/2000US6111870 Method and apparatus for compressing and transmitting high speed data
08/29/2000US6111869 Method of mobile communication and apparatus therefor
08/29/2000US6111868 Parallel acquisition system using reference matched filter
08/29/2000US6111863 Method and apparatus for the dynamic allocation of signal bandwidth between audio, video and data signals
08/29/2000US6111760 Simple enclosure for electronic components
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