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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02/23/1999 | CA2154795C An apparatus and method for digitally processing signals in a radio frequency communication system |
02/23/1999 | CA2127597C Variable rate communication method and a variable rate communication system |
02/23/1999 | CA2118718C Communication device having a speaker and microphone |
02/23/1999 | CA2081287C Receiver capable of reliably detecting a failure |
02/20/1999 | CA2368848A1 Wireless communication apparatus and wireless communication method |
02/20/1999 | CA2245341A1 Digital receiving apparatus |
02/20/1999 | CA2237827A1 Wireless communication apparatus and wireless communication method |
02/18/1999 | WO1999008456A1 Communication system utilizing host signal processing |
02/18/1999 | WO1999008426A1 Non-coherent six-port receiver |
02/18/1999 | WO1999008398A2 Method and apparatus for adaptive closed loop power control using open loop measurements |
02/18/1999 | WO1999008397A2 Method and apparatus for predictive power control with loop delay |
02/18/1999 | WO1999008396A2 Transponder for transmitting processed data to a base station over large distances and at a high data transfer rate |
02/18/1999 | WO1999008395A1 Portable radio transceiver with diplexer-switch circuit for dual frequency band operation |
02/18/1999 | WO1999008394A1 Portable telecommunications apparatus with means for screening the electromagnetic radiation emitted |
02/18/1999 | WO1999008393A1 Calibration of n-port receiver |
02/18/1999 | WO1999008389A2 A digital communication device and a mixer |
02/18/1999 | WO1999008385A2 Method for maintaining a time grid defined by a high clock frequency by means of a low clock frequency |
02/18/1999 | WO1999008384A2 Multichannel radio device, a radio communication system, and a fractional division frequency synthesizer |
02/18/1999 | WO1999008382A1 Rds frequency replacement tests at low frequency minimum level |
02/18/1999 | WO1999008380A1 Improved listening enhancement system and method |
02/18/1999 | WO1999008344A2 Electrical device |
02/18/1999 | WO1999008165A1 Automatic configuration mechanism for universal remote |
02/18/1999 | WO1998052168A3 Reader for rfid system |
02/18/1999 | WO1998040972A3 Code division multiple access communication system |
02/18/1999 | WO1998040968A3 A frequency conversion circuit |
02/18/1999 | WO1998020696A3 Method and apparatus for compressing and transmitting high speed data |
02/18/1999 | EP0903016A3 Code division multiple access communication system |
02/18/1999 | DE19735179A1 Motor vehicle radio with locking arrangement |
02/18/1999 | DE19734988A1 Car radio with remote control function |
02/18/1999 | DE19733336A1 Verfahren und Funkstation zur Datenübertragung Procedures and radio station for data transmission |
02/17/1999 | EP0897236A2 Foldable portable radio communication apparatus |
02/17/1999 | EP0883869A4 Programmable universal remote control |
02/17/1999 | EP0674824B1 Television program delivery system |
02/17/1999 | EP0673580B1 An operation center for a television program packaging and delivery system |
02/17/1999 | CN2308211Y VHF band duplexer |
02/17/1999 | CN1208525A Data transmission method and equipment for encoding a signal |
02/17/1999 | CN1208524A Radio communication equipment using algorithm diversity |
02/17/1999 | CN1208520A Receiving method, and receiver |
02/17/1999 | CN1208517A Re-orthogonalization of wideband CDMA signals |
02/17/1999 | CN1208516A Shared wave removing device |
02/17/1999 | CN1208515A Code synchronization in multi-user spread-spectrum systems |
02/17/1999 | CN1208514A Flip cover and antenna assembly for a portable phone |
02/17/1999 | CN1208488A A method and a device for finalizing data carrying communication equipment in traffic control systems |
02/17/1999 | CN1208315A Base station transmitter-receiver |
02/17/1999 | CN1208288A Audio decoding device, signal processing device sound image localization device, audio image control method |
02/17/1999 | CN1208261A Antenna circuit having matching circuit and method for implementing the same |
02/17/1999 | CN1042185C Method and apparatus for noise burst detection in a signal processor |
02/16/1999 | US5873065 Two-stage compression and expansion of coupling processed multi-channel sound signals for transmission and recording |
02/16/1999 | US5873058 Voice coding-and-transmission system with silent period elimination |
02/16/1999 | US5873046 System for communicating in analog or digital mode and mobile station employing the same |
02/16/1999 | US5873045 Mobile client computer with radio frequency transceiver |
02/16/1999 | US5873029 High dynamic range millimeter wave power detector with temperature compensation |
02/16/1999 | US5873027 Mobile radio system with control over radio wave output if a malfunction is detected |
02/16/1999 | US5873025 Modulated backscatter wireless communication system having an extended range |
02/16/1999 | US5872810 Programmable modem apparatus for transmitting and receiving digital data, design method and use method for said modem |
02/16/1999 | US5872808 Apparatus and method for synchronization of direct sequence CDMA signals |
02/16/1999 | US5872806 Spread spectrum signal transmission method and system and also transmitter and receiver for use with the method and system |
02/16/1999 | US5872791 Method and apparatus for data encoding and communication over noisy media |
02/16/1999 | US5872776 Information processing system |
02/16/1999 | US5872775 Method and apparatus for performing rate determination |
02/16/1999 | US5872774 Mobile station assisted timing synchronization in a CDMA communication system |
02/16/1999 | US5872744 Battery arrangement for a wrist-carried radiotelephone |
02/16/1999 | US5872603 Analog circuit controller using signals indicative of control voltage and type of control voltage |
02/16/1999 | US5872562 Universal remote control transmitter with simplified device identification |
02/16/1999 | US5872540 Digital interference suppression system for radio frequency interference cancellation |
02/16/1999 | US5872538 Frequency domain correction of I/Q imbalance |
02/16/1999 | US5872537 Monostatic homodyne radar system |
02/16/1999 | US5872522 Communications system |
02/16/1999 | US5872520 Identification and/or sensor system |
02/16/1999 | US5872519 System for monitoring and controlling an area |
02/16/1999 | US5872487 Fast frequency switching synthesizer |
02/16/1999 | US5872481 Efficient parallel-stage power amplifier |
02/16/1999 | US5872466 Matched filter circuit |
02/16/1999 | US5872369 Solid-state antenna switch and field-effect transistor |
02/16/1999 | CA2120095C Temperature-coefficient controlled radio frequency signal detecting circuitry |
02/16/1999 | CA2109877C Clock recovery circuit |
02/16/1999 | CA1340400C Vehicle data system |
02/12/1999 | CA2450503A1 Frequency hopping spread-spectrum radio communications |
02/11/1999 | WO1999007165A1 Extending battery life in electronic apparatus |
02/11/1999 | WO1999007093A2 Wireless broadband transmitter for a signal consisting of a plurality of digitally modulated carriers |
02/11/1999 | WO1999007091A1 Radio receiver |
02/11/1999 | WO1999007089A1 Rapidly decorrelating spreading sequences for ds-cdma transceivers |
02/11/1999 | WO1999007085A2 Method and radio station for transmitting data |
02/11/1999 | WO1999007081A1 Rf transceiver and operating method |
02/11/1999 | WO1999007080A1 Multi-switch device for controlling vehicle subsystems |
02/11/1999 | WO1999007079A1 Auxiliary battery holder with multicharger functionality |
02/11/1999 | WO1999007077A2 Means and method for a synchronous network communications system |
02/11/1999 | WO1999007065A1 Systems and methods for automatic deviation setting and control in radio transmitters |
02/11/1999 | WO1999006998A1 Model and command set for an av/c-based disc player/recorder subunit |
02/11/1999 | WO1999006997A1 A model and command set for an av/c-based disc media player/recorder subunit |
02/11/1999 | WO1999006922A1 Digital matched filter |
02/11/1999 | WO1999006777A1 Cryogenic filters |
02/11/1999 | WO1998045967A3 Reducing interference in a mobile communications system |
02/11/1999 | WO1998043362A3 Method and apparatus for reducing spread-spectrum noise |
02/11/1999 | WO1998042112A3 Communications terminal and method for data transmission between a communications network and a communications terminal |
02/11/1999 | DE19734529A1 Replay volume control method for radio receiver |
02/11/1999 | DE19734168A1 RDS-AF-Tests im NF-Pegelminimum RDS AF tests in NF-level minimum |
02/11/1999 | CA2302466A1 Means and method for a synchronous network communications system |
02/11/1999 | CA2296309A1 Systems and methods for automatic deviation setting and control in radio transmitters |
02/11/1999 | CA2291174A1 Multi-switch device for controlling vehicle subsystems |