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)
08/2000
08/03/2000WO2000010272A8 Efficient spectral saving fqpsk and fqam signal transmission and reception systems
08/03/2000CA2800005A1 Multicarrier transmission system with low power sleep mode and rapid-on capability
08/03/2000CA2633064A1 Multicarrier transmission system with low power sleep mode and rapid-on capability
08/03/2000CA2361036A1 A method and an apparatus for clipping signals in a cdma system
08/02/2000EP1024622A2 Method and system for selecting a coding/modulation scheme
08/02/2000EP1024614A2 Receiver for receiving Digital Audio Broadcast DAB
08/02/2000EP1024613A2 Converter for satellite broadcast signals comprising a plurality of output terminals
08/02/2000EP1024612A1 Powersupply for a radio communications terminal
08/02/2000EP1024606A2 Open loop power control for wireless mobile stations
08/02/2000EP1024605A2 High-frequency switch
08/02/2000EP1024551A2 Isolation improvement circuit for a dual-polarization antenna
08/02/2000EP1023809A1 Frame-based audio coding with gain-control words
08/02/2000EP1023806A1 Method and device for relaying specific data, especially receiving rights, to a pay television terminal
08/02/2000EP1023789A1 Method and radio station for data transmission
08/02/2000EP1023787A2 A method of and a system for voice and data radio communication providing improved interference diversity
08/02/2000EP1023782A1 Graphical user interface for a portable telephone
08/02/2000EP1023777A1 Method and device for limiting a stream of audio data with a scaleable bit rate
08/02/2000EP1023727A1 Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries
08/02/2000EP1023698A1 Passage control device for non-contacting data carriers
08/02/2000EP1023687A1 An electronic tag including rf modem for monitoring motor vehicle performance with filtering
08/02/2000CN2390365Y Expressway radio emergency telephone
08/02/2000CN1262000A Power control apparatus, and an associated method, for TDMA transmitter
08/02/2000CN1261998A A subscriber unit and method for use in a wireless communication system
08/02/2000CN1261997A Method and apparatus for interfacing an electronic device with an external accessory
08/02/2000CN1261996A Multiple mode direct conversion receiver
08/02/2000CN1261995A Opposite polarization interference cancellation in satellite communication
08/02/2000CN1261758A Receiver-transmitter unit according to load wave to shift pre-tuning
08/02/2000CN1261741A Short wave receiver and antenna adapter
08/02/2000CN1261713A Reseiving device and method, communication device and method
08/01/2000US6098189 Relay station for wireless communication traffic
08/01/2000US6098046 Frequency converter system
08/01/2000US6097991 Automatic identification of audio bezel
08/01/2000US6097974 Combined GPS and wide bandwidth radiotelephone terminals and methods
08/01/2000US6097973 Electronic circuit for a portable electronic device
08/01/2000US6097936 Reception device for microwave signals
08/01/2000US6097933 Method and apparatus for conserving power in a pager
08/01/2000US6097928 Method for selecting a control channel in a trunked radio system
08/01/2000US6097880 Digital signal processing method, digital signal processing apparatus, digital signal recording method, digital signal recording apparatus, recording medium, digital signal transmission method and digital signal transmission apparatus
08/01/2000US6097768 Phase detector for carrier recovery in a DQPSK receiver
08/01/2000US6097752 Closed loop power control for low earth orbit satellite communications system
08/01/2000US6097751 Method of, and apparatus for, processing low power pseudo-random code sequence signals
08/01/2000US6097714 Code multiplexing transmitting apparatus
08/01/2000US6097711 DS-CDMA transmission method
08/01/2000US6097710 Method for detecting strength of receiving signals of users in a code division multiple access system
08/01/2000US6097704 System for communicating digital information between a base unit and plural mobile units
08/01/2000US6097335 Transmit/receive module having multiple transmit/receive paths with shared circuitry
08/01/2000US6097305 Dialogic style RF guidance system for a visually handicapped person and its control method
08/01/2000US6097278 Transponder communication device for the contactless communication with a plurality of individually selectable transponders, and transponder for the contactless communication with at least one transponder communication device
08/01/2000US6095820 Radiation shielding and range extending antenna assembly
08/01/2000US6094929 Arrangement and method for the remote cooling of radio transceivers
07/2000
07/29/2000CA2294698A1 Open loop power control for wireless mobile stations
07/27/2000WO2000044117A2 Multi-stage cdma synchronization with parallel execution
07/27/2000WO2000044111A1 Method for obtaining information regarding interference in the receiver of a message transmission system
07/27/2000WO2000044107A2 Control of transmission power in a radio system
07/27/2000WO2000044106A1 Apparatus and methods for interference cancellation in spread spectrum communication system
07/27/2000WO2000044104A1 Methods of digital filtering and multi-dimensional data compression using the farey quadrature and arithmetic, fan, and modular wavelets
07/27/2000WO2000044103A1 Full-duplex radio-communication device with half-duplex functionality
07/27/2000WO2000044102A1 Improvements in or relating to duplex filtering
07/27/2000WO2000044091A2 Antenna system for radio frequency identification
07/27/2000WO2000044066A2 Remote entry integrally molded transmitter
07/27/2000WO2000044064A1 Carrier with antenna for radio frequency identification
07/27/2000WO2000043944A2 Method of interrogating a radio frequency identification device
07/27/2000WO2000043882A1 Database switching apparatus
07/27/2000WO2000043805A2 System for radio frequency identification
07/27/2000WO2000043804A2 Radio frequency identification device
07/27/2000WO2000043803A2 Method of detecting a radio frequency identification device
07/27/2000WO2000022451A3 A dual channel microwave transmit/receive module for an active aperture of a radar system
07/27/2000WO2000021159A3 Transmit/receive module having multiple transmit/receive paths with shared circuitry
07/27/2000WO2000018054A3 Methods and apparatus for multimedia networking systems
07/27/2000DE19956708A1 Wrist-mounted portable telephone, is mounted onto a releasable wrist support, which in turn is secured to the user's wrist by a wrist band
07/27/2000DE19903003A1 Replacement line connection production in communications network
07/27/2000DE19901877A1 Wireless data transmission method mobile radio
07/27/2000DE19901204A1 Verfahren zur Realisierung von Mehrfach-Punktcodes in einer Vermittlungsstelle A process for the realization of multiple point codes in a switching center
07/27/2000DE19818899C2 Digitaler Rundfunkempfänger The digital broadcasting receiver
07/26/2000EP1022873A2 Receiver for receiving both Digital Audio Broadcasts (DAB) as well as frequency modulated (FM) broadcasts comprising supplementary information
07/26/2000EP1022864A2 Spread spectrum signal receiving method and apparatus for CDMA cellular communication
07/26/2000EP1022863A2 Receiver and method for receiving spread spectrum signal by estimating transmitted symbol rate
07/26/2000EP1022862A2 Computationally parsimonious forward link receiver for DS-CDMA systems and method for same
07/26/2000EP1022861A1 Method and device for reception of rf signals in a dual band mobile telephone
07/26/2000EP1022856A2 Transmitting and receiving apparatus capable of the suppression of the microphonic noise in digital transmission system
07/26/2000EP1022677A1 Responder, integrated circuit chip, noncontact ic card, and self power needless type device in noncontact ic card communication system, and automatic adjustment method for self power needless type device
07/26/2000EP1021904A1 Menu system for a radiotransmission apparatus
07/26/2000EP1021900A2 Wireless broadband transmitter for a signal consisting of a plurality of digitally modulated carriers
07/26/2000EP1021884A2 Means and method for a synchronous network communications system
07/26/2000EP1021882A2 Device and method for cancelling code interference in a cdma communication system
07/26/2000EP1021881A1 Method and apparatus for reducing peak-to-average power ratio of a composite carrier signal
07/26/2000EP1021880A1 Method and apparatus for correcting a measured round-trip delay time in a wireless communication system
07/26/2000EP1021879A1 Full-duplex communication processor
07/26/2000EP1021878A1 Method for acquiring an alternate communication system
07/26/2000EP1021865A2 Method for transmitting power control signal in mobile communication system
07/26/2000EP1021864A1 Multi-switch device for controlling vehicle subsystems
07/26/2000EP1021808A1 Apparatus and methods for controlling household appliances
07/26/2000EP0872023B1 Flip cover and antenna assembly for a portable phone
07/26/2000EP0711473B1 Ambiguity resolution in direct sequence spread spectrum modulation systems
07/26/2000EP0700528B1 Electromagnetic hidden object detector
07/26/2000EP0647546B1 Car-mounted sound device
07/26/2000CN2389445Y Cap with radio receiver
07/26/2000CN1261482A Mobile communication system
07/26/2000CN1261479A Mobile station synchronization within a spread spectrum communications system
07/26/2000CN1261477A Terminal unit for digital mobile radiotelephone communication and method for evaluating data received in a terminal unit of this type
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