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