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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02/24/2000 | DE19838244A1 Method of simultaneously receiving signals of different radio standards e.g. GPS and DAB by superposition of several modulation types |
02/24/2000 | DE19837765A1 Protective hinged two-part cover for mobile telephones made from hard material protects from damage such as scratches on display panels and shocks during physical movement. |
02/24/2000 | DE19836888A1 Method and device for a duplex capable radio transmission system with code division multiple access synchronizes with TDD operations, a control centre radio base station and numerous subscriber stations independent of each other. |
02/24/2000 | DE19836582A1 Correcting carrier wave frequency shift in direct sequence band spread communication system |
02/24/2000 | CA2340644A1 Method and device for a full-duplex-capable radio transmission system with cdma access |
02/24/2000 | CA2340446A1 Synchronisation of a low power clock in a wireless communication device |
02/24/2000 | CA2339969A1 Method and apparatus for power saving in a mobile terminal with established connections |
02/23/2000 | EP0981208A2 Base station transmitter for cdma system, power control and serial signal transmitting method therefor |
02/23/2000 | EP0981207A1 Pilot symbols |
02/23/2000 | EP0981206A1 Spread spectrum receiver with reduction of intersymbol interference |
02/23/2000 | EP0981177A2 Transmitting- and receiving device |
02/23/2000 | EP0981113A2 Digital watermarking and methods for security documents |
02/23/2000 | EP0980605A2 Mask generating polynomials for pseudo-random noise generators |
02/23/2000 | EP0980604A2 Method for reducing interference, and synthesizer arrangement |
02/23/2000 | EP0980602A1 Broadband modem transformer hybrid |
02/23/2000 | EP0968497A4 Variable length audio coding using a plurality of subband bit allocation patterns |
02/23/2000 | CN1245607A Method and apparatus for digital symbol detection using transmission medium response estimates |
02/23/2000 | CN1245600A System for improving quality of received radio signal |
02/23/2000 | CN1245368A Transmitter-receiver |
02/22/2000 | US6029136 Band dividing/synthesizing filter with reduced memory requirements |
02/22/2000 | US6029126 Scalable audio coder and decoder |
02/22/2000 | US6029074 Hand-held cellular telephone with power management features |
02/22/2000 | US6029072 Portable telephone with terminal mode facility |
02/22/2000 | US6029061 Power saving scheme for a digital wireless communications terminal |
02/22/2000 | US6029058 Spectrum control for direct conversion radio frequency reception |
02/22/2000 | US6029055 Frequency stabilization circuit using signal level threshold |
02/22/2000 | US6029054 MMIC receiver |
02/22/2000 | US6029053 Apparatus and method for reducing co-channel radio interference |
02/22/2000 | US6029052 Multiple-mode direct conversion receiver |
02/22/2000 | US6028894 SIR or SNR measurement apparatus |
02/22/2000 | US6028890 Baud-rate-independent ASVD transmission built around G.729 speech-coding standard |
02/22/2000 | US6028888 Single-channel and multi-channel coherent demodulation devices with no pilot signal, and corresponding receiving system using a plurality of diversity paths |
02/22/2000 | US6028887 Power efficient receiver |
02/22/2000 | US6028886 Digital communication apparatus |
02/22/2000 | US6028885 Frequency hopping radio transmitter apparatus and method providing very high communication security |
02/22/2000 | US6028883 Low power signal processing for spread spectrum receivers |
02/22/2000 | US6028868 Apparatus and method of synchronizing a transmitter in a subscriber terminal of a wireless communications system |
02/22/2000 | US6028852 CDMA cellular radio transmission system |
02/22/2000 | US6028850 Wireless transceiver and frequency plan |
02/22/2000 | US6028559 Loop antenna |
02/22/2000 | US6028556 Portable radio communication apparatus |
02/22/2000 | US6028503 Contactless data transmission and receiving device with a synchronous demodulator |
02/22/2000 | US6028374 Extending battery life in electronic apparatus |
02/22/2000 | CA2222575C Tuner for digital satellite receiver |
02/22/2000 | CA2161257C Method and apparatus for testing telecommunications equipment using a reduced redundancy test signal |
02/22/2000 | CA2137716C Code division multiple access signal receiving apparatus for base station |
02/22/2000 | CA2118537C High data rate satellite communication system |
02/22/2000 | CA2108309C Paging receiver and radio frequency channel searching method for the same |
02/21/2000 | CA2277421A1 Cdma system |
02/21/2000 | CA2275914A1 Methods and apparatus for reducing cochannel interference in a mixed-rate communication system |
02/20/2000 | CA2275842A1 Method and apparatus for adjusting pilot signal relative to input signal |
02/19/2000 | CA2280489A1 Rf power amplifier control system |
02/17/2000 | WO2000008878A1 Audio system incorporating detachable cellular telephone |
02/17/2000 | WO2000008871A2 Device and method for diversity combining signals on common channel in cdma communication system |
02/17/2000 | WO2000008869A2 Channel communication apparatus and method in cdma communication system |
02/17/2000 | WO2000008868A2 Method for implementing radio link protocol for efficient data transmission |
02/17/2000 | WO2000008867A2 Method for providing a data service in a cdma communications system |
02/17/2000 | WO2000008864A2 Transmitter of multiple frequency radio communication system |
02/17/2000 | WO2000008783A1 Device and system for integrating and processing infrared (ir) and radio frequency (rf) signals |
02/17/2000 | WO2000008775A1 Rf receiver having cascaded filters and an intermediate amplifier stage |
02/17/2000 | WO2000008774A1 Orthogonal signal transmitter |
02/17/2000 | WO2000008773A2 Radio devices including power amplifier control circuits with hardware lockouts |
02/17/2000 | WO2000008771A1 Method and apparatus for rotating modulation symbol indices |
02/17/2000 | WO2000008752A1 Systems and methods for management of current consumption and performance in a receiver down converter of a wireless device |
02/17/2000 | WO2000008751A1 Automatic gain control circuit for controlling multiple variable gain amplifier stages while estimating received signal power |
02/17/2000 | WO2000008722A1 Moisture resistant electrical connector for a cellular telephone |
02/17/2000 | WO2000008707A1 Antenna for hand-held communication user terminal |
02/17/2000 | WO2000008706A2 Device and method for controlling initial transmission power of forward link channel in mobile communications system |
02/17/2000 | WO2000008548A1 Gui of remote control facilitates user-friendly editing of macros |
02/17/2000 | WO2000008528A1 Method for adapting an electronic device on a watch |
02/17/2000 | WO2000008481A1 Slewing bandpass filter for ultrasound image analysis |
02/17/2000 | WO2000008480A2 Multi-conversion radar detector having increased tuning range and self-calibrating function |
02/17/2000 | WO1998056120A8 Transmit power control in a radio communication system |
02/17/2000 | DE19935493A1 System und Verfahren zur Datenverarbeitung sowie Vorrichtung und Verfahren zum Senden und Empfangen von Daten System and method for data processing as well as apparatus and method for transmitting and receiving data |
02/17/2000 | CA2349324A1 Rf receiver having cascaded filters and an intermediate amplifier stage |
02/17/2000 | CA2339655A1 Automatic gain control circuit for controlling multiple variable gain amplifier stages while estimating received signal power |
02/17/2000 | CA2338470A1 Systems and methods for management of current consumption and performance in a receiver down converter of a wireless device |
02/17/2000 | CA2338420A1 Method for implementing radio link protocol for efficient data transmission |
02/17/2000 | CA2336891A1 Slewing bandpass filter for ultrasound image analysis |
02/16/2000 | EP0980160A1 Multirate, multicode CDMA transmission for a cellular mobile radio system |
02/16/2000 | EP0980159A1 Device enabling different spreading factors whilst preserving a common scrambling code |
02/16/2000 | EP0980158A1 Method and interface for interconnection using high bit rate serial links |
02/16/2000 | EP0980157A2 Frame synchronisation in a DAB receiver |
02/16/2000 | EP0980150A2 Multiple user CDMA basestation modem |
02/16/2000 | EP0980149A2 An FFT-based CDMA rake receiver system and method |
02/16/2000 | EP0980114A1 Helical antenna and portable transceiver |
02/16/2000 | EP0980113A2 Antenna device |
02/16/2000 | EP0980112A2 A dual autotrack control system |
02/16/2000 | EP0979569A1 Communication terminal apparatus and method for selecting options using a dial shuttle |
02/16/2000 | EP0979560A2 Method, system, and computer program product for spread spectrum communication using circular waveform shift-keying |
02/16/2000 | EP0979559A1 Amplifier module with two power amplifiers for dual band cellular phones |
02/16/2000 | EP0979558A1 A method and apparatus for interfacing an electronic device with an external accessory |
02/16/2000 | EP0979557A1 Configurable single-chip transceiver integrated circuit architecture |
02/16/2000 | EP0979551A1 Method and apparatus for efficient signal power amplification |
02/16/2000 | EP0834123B1 Machine control module for a processor |
02/16/2000 | EP0668663B1 Sliding correlation detector |
02/16/2000 | CN2364554Y Battery compartment of mobile telephone with enhanced receiving signal |
02/16/2000 | CN1244983A High-data-rate supplemental channel for CDMA telecommunications system |
02/16/2000 | CN1244980A Signal transmitter with automatic output control |
02/16/2000 | CN1244978A Despreading of direct sequence spread spectrum communications signals |