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)
05/2000
05/02/2000US6058292 Integrated transmitter/receiver apparatus (monolithic integration capabilities)
05/02/2000US6058291 Methods and apparatus for carrier suppression in a radio modulator
05/02/2000US6058289 Method and apparatus for low power mobile unit for cellular communications system
05/02/2000US6058148 Digital processing radio receiver with adaptive bandwidth control
05/02/2000US6058139 Correlator and synchronous tracking apparatus using time sharing of a received signal in a spread spectrum receiver
05/02/2000US6058138 Radio reception system providing improved transmission quality
05/02/2000US6058137 Frequency hopping system for intermittent transmission
05/02/2000US6058135 Quasi-optimal receiver for tracking and acquisition of a split spectrum PN GPS C/A signal
05/02/2000US6057808 FM multiplex broadcast receiving apparatus comprising detachable storing medium
05/02/2000US6057758 Handheld clinical terminal
05/02/2000US6057735 Amplifier for continuous high gain, narrowband signal amplification
05/02/2000US6057732 Transmission power control circuit and method for CDMA system
05/02/2000US6056175 Mobile phone housing for a vehicle
05/02/2000CA2203548C An apparatus and method for filtering a received signal
05/02/2000CA2191098C Multiple access up converter/modulator and method
05/02/2000CA2174930C Power supply modulator circuit for transmitter
05/02/2000CA2138212C Ds/cdma diversity receiver with despreading filters
05/02/2000CA2118810C Radio having a combined pll and afc loop and method of operating the same
05/02/2000CA2036124C Hydroacoustic ranging system
04/2000
04/27/2000WO2000025436A1 A narrowband interference canceller for a direct-sequence spread-spectrum communications system
04/27/2000WO2000024167A1 Integrated multi-mode bandpass sigma-delta receiver subsystem with interference mitigation and method of using same
04/27/2000WO2000024157A1 Channel assigning device and method in cdma communication system
04/27/2000WO2000024140A1 Neural network is-95 rate determination
04/27/2000WO2000024138A1 Radio receiving system and method for operating the same
04/27/2000WO2000024136A1 Method and apparatus for pseudonoise spreading in a cdma communication system
04/27/2000WO2000024135A1 Cancellation of pilot and unwanted traffic signals in a cdma system
04/27/2000WO2000024134A1 Method and device for generating and evaluating spread signals
04/27/2000WO2000024132A1 Data card connector
04/27/2000WO2000024131A1 Positional camera and gps data interchange device
04/27/2000WO2000024124A1 Dual-band, dual-mode power amplifier with reduced power loss
04/27/2000WO2000024121A1 Data transfer in fixed-site radio transceiver station with power supply current modulation
04/27/2000WO2000024120A1 Method and system for ensuring reception of a communications signal
04/27/2000WO2000024119A1 Applications of universal frequency translation
04/27/2000WO2000024118A1 Integrated frequency translation and selectivity with a variety of filter embodiments
04/27/2000WO2000024117A1 Method and system for down-converting an electromagnetic signal
04/27/2000WO2000024116A1 System and method for frequency up-conversion
04/27/2000WO2000023956A1 Method and system for providing location dependent and personal identification information to a public safety answering point
04/27/2000WO2000010272B1 Efficient spectral saving fqpsk and fqam signal transmission and reception systems
04/27/2000WO2000005779A3 Quasi-orthogonal code mask generating device in mobile communication system
04/27/2000WO1999066645A3 Quadriphase spreading codes in code division multiple access communications
04/27/2000DE19848491A1 Radio receiver with audio data system has control unit to allocate sound characteristic according to transferred program type identification adjusted in receiving section
04/27/2000DE19848360A1 Multiple-antenna diversity reception system, for RDS car radio, has interface for evaluating control commands of RDS processor before switching from one antenna to another
04/27/2000DE19847374A1 Arrangement for encrypted transmission of information
04/27/2000DE19847135A1 Verfahren zum Lesen der in einem Transponder gespeicherten Daten und Transpondersystem zur Durchführung des Verfahrens A method for reading the stored data in a transponder and transponder system for performing the method
04/27/2000DE19846453A1 Signal noise suppression method for transmission of e.g. voice signals, two-dimensional signals, such as still images or three-dimensional e.g. image sequences
04/27/2000DE19845620A1 Verfahren zum Empfang von Spreizspektrumsignalen Method for receiving spread spectrum signals
04/27/2000DE19843182A1 Vorrichtung zum Testen von Funkeinrichtungen, insbesondere Mobiltelefonen A device for testing radio devices, especially mobile telephones
04/27/2000CA2347760A1 Positional camera and gps data interchange device
04/26/2000EP0996247A1 CDMA receiver and CDMA transmitter/receiver
04/26/2000EP0996241A1 Mobile communication system
04/26/2000EP0996239A2 Automatic power control system for a code division multiple access (CDMA) communications system
04/26/2000EP0996237A1 Timing estimation for GMS bursts based on previously determined average values
04/26/2000EP0996235A2 CDMA transmitter and method generating combined high-rate and low-rate CDMA signals
04/26/2000EP0996234A1 Receiver architecture for a multi scrambling code transmission CDMA technique
04/26/2000EP0996233A2 Apparatus and method for controlling power saving mode in a power supply
04/26/2000EP0995285A1 Rate detection for variable rate cdma communication systems
04/26/2000EP0995280A1 Wake-up circuit for an electronic apparatus
04/26/2000EP0995275A1 Power level arbitration between base station and mobile station in mobile communication system
04/26/2000EP0995274A1 Audio encoder
04/26/2000EP0995273A2 Am quality detector
04/26/2000EP0995267A2 Multiple mode direct conversion receiver
04/26/2000EP0995264A1 Impedance matching circuit for power amplifier
04/26/2000EP0995263A1 Impedance match of transmission lines
04/26/2000EP0995188A1 Methods and apparatus for measuring signal level and delay at multiple sensors
04/26/2000EP0995166A1 System for encoded rf and encoded magnetic field communication and method therefor
04/26/2000EP0744019B1 Circuit arrangement for receiving light signals
04/26/2000CN1251713A Code synchronization unit and method
04/26/2000CN1251712A Method and apparatus for reducing peak-to-average power ratio of composite carrier signal
04/26/2000CN1251709A Method of storing AF data for RDS receiver and apparatus thereof
04/26/2000CN1251703A Apparatus and method for reducing magnetic field density in radiotelephone
04/26/2000CN1251702A Bus abbitrators for common local oscillators in cellular radiotelephone base stations
04/26/2000CN1251701A Dual band radio receiver
04/26/2000CN1251700A Multiplex broadcast receiving method and receiver
04/26/2000CN1251698A Method for transceiver to select channel
04/26/2000CN1251554A Integrated circuit card type car audio system and operating method
04/26/2000CN1251485A CDMA receiver
04/26/2000CN1251483A Cross-polarization emitting antena and emitting method thereof
04/26/2000CN1251482A Timed estimation to GSM pulse train according to past records
04/26/2000CN1251479A Spread spectrum receiver
04/26/2000CN1051886C Power adapter with integral radio frequency port
04/25/2000US6055420 Antenna system having a high Q circuit
04/25/2000US6055419 Radio monitoring apparatus and procedures
04/25/2000US6055281 Passband DQPSK detector for a digital communications receiver
04/25/2000US6055273 Data encoding and decoding method and device of a multiple-valued information source
04/25/2000US6055266 Spread spectrum pulse position modulation communication system
04/25/2000US6055265 Apparatus for receiving GPS signals by utilizing non-coherent DLL
04/25/2000US6055231 Continuously adjusted-bandwidth discrete-time phase-locked loop
04/25/2000US6055229 Method and apparatus in a wireless communication system for dynamically formatting application data to be transmitted
04/25/2000US6055021 System and method for obtaining synchronization to a digital frame
04/25/2000US6054965 External antenna device for short-wave receivers
04/25/2000US6054963 Folded bow-tie antenna
04/25/2000US6054936 Moving body detection system
04/25/2000US6054935 System monitoring programmable implantable transponder
04/25/2000US6054925 High impedance transponder with improved backscatter modulator for electronic identification system
04/25/2000US6054906 RF power divider
04/25/2000US6054895 Apparatus and method for pre-distortion correction of a power amplifier stage
04/25/2000US6054839 Portable electronic device, its housing and its battery compartment
04/25/2000US6054793 Piezoelectric resonator method for adjusting frequency of piezoelectric resonator and communication apparatus including piezoelectric resonator
04/25/2000CA2177416C Full duplex modulated backscatter system
04/25/2000CA2177415C Dual mode modulated backscatter system