| 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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| 03/11/1999 | DE19736660C1 Regulation circuit for power amplifier linearisation |
| 03/11/1999 | CA2301866A1 Digital transmission using subband coding |
| 03/11/1999 | CA2246925A1 Mobile telecommunication apparatus |
| 03/10/1999 | EP0901259A2 Correction of phase and/or frequency offsets in multicarrier signals |
| 03/10/1999 | EP0901248A2 RDS receiver comprising the selection of broadcast programmes carrying traffic signals, while reproducing programmes from other sources |
| 03/10/1999 | EP0901237A2 CDMA Rake receiving apparatus |
| 03/10/1999 | EP0901235A2 Matched filter and timing detection method |
| 03/10/1999 | EP0901184A1 Calibration method for transmit and/or receive chains driving an active array, and corresponding mobile station |
| 03/10/1999 | EP0900483A1 Method and apparatus for automatically configuring a control program for a mobile radio communication device |
| 03/10/1999 | EP0900481A2 A frequency conversion circuit |
| 03/10/1999 | EP0900432A1 Method and receiver for geographical selection of digitally coded messages |
| 03/10/1999 | EP0900311A1 A wake-up detector system |
| 03/10/1999 | CN2310427Y Helmet with communication function and communication device thereof |
| 03/10/1999 | CN1210638A Portable radio telephone equipment and control thereof |
| 03/10/1999 | CN1210635A Method of generating carrier wave of common channels, and radio system |
| 03/10/1999 | CN1210634A Method and apparatus of signal tracking and rake-receiver utilizing said arrangement |
| 03/10/1999 | CN1210433A Dual mode communication device and method |
| 03/10/1999 | CN1210423A Circuits and systems for generating and communicating advanced television signals |
| 03/10/1999 | CN1210406A Two stage mixed direct series spread spectrum/code devision multiple access communication fast capturing structure |
| 03/10/1999 | CN1210402A Method and apparatus for anticipating message handing in selective call communication system |
| 03/10/1999 | CN1210399A Transmission power control method in asymmetrie digital subscriber line system |
| 03/10/1999 | CN1210292A Power management method in personal digital assistant |
| 03/10/1999 | CN1042478C Adaptive battery charging system |
| 03/10/1999 | CN1042467C Installation structure of external button switch |
| 03/09/1999 | US5881377 Communication device and display blanking control method therefor |
| 03/09/1999 | US5881375 Paging transmitter having broadband exciter using an intermediate frequency above the transmit frequency |
| 03/09/1999 | US5881373 Muting a microphone in radiocommunication systems |
| 03/09/1999 | US5881372 Radio communication device and method |
| 03/09/1999 | US5881371 Antenna switching technique for improved data throughput in communication networks |
| 03/09/1999 | US5881370 Communication apparatus with an automatically configured multimode talk switch and method of operation |
| 03/09/1999 | US5881369 Dual mode transceiver |
| 03/09/1999 | US5881361 Communication unit power up sequencing |
| 03/09/1999 | US5881149 Portable communications device with wireless transmitter and detachable earpiece including a wireless receiver |
| 03/09/1999 | US5881104 Voice messaging system having user-selectable data compression modes |
| 03/09/1999 | US5881102 Method and apparatus for minimizing modem power while maximizing modem throughput |
| 03/09/1999 | US5881101 Burst serial tone waveform signaling method and device for squelch/wake-up control of an HF transceiver |
| 03/09/1999 | US5881100 Method and apparatus for coherent correlation of a spread spectrum signal |
| 03/09/1999 | US5881099 Signal processing circuit for spread spectrum communications |
| 03/09/1999 | US5881098 Efficient demodulation scheme for DSSS communication |
| 03/09/1999 | US5881097 Calculating estimates and decisions of parameters for receiver |
| 03/09/1999 | US5881096 Method for removing bias in a frequency hopping digital communication system |
| 03/09/1999 | US5881095 Repeater assisted channel hopping system and method therefor |
| 03/09/1999 | US5881094 Frequency hopping code division multiple access system and method |
| 03/09/1999 | US5881092 Spread spectrum telecommunication system |
| 03/09/1999 | US5881091 Spread spectrum linearization for digitizing receivers |
| 03/09/1999 | US5881058 Method for performing a signal search in a wireless communication system |
| 03/09/1999 | US5881057 Synchronous detector with reduced error computation for maximal-ratio combining |
| 03/09/1999 | US5881056 Method and apparatus of a multi-code code division multiple access receiver having shared accumulator circuits |
| 03/09/1999 | US5881055 Battery saving synchronization method in a communcation apparatus |
| 03/09/1999 | US5881054 Frequency division duplex transmitter which attenuates the difference between a receiving frequency an output frequency from a second oscillator |
| 03/09/1999 | US5880868 Infrared backbone communication network having a radio frequency backup channel |
| 03/09/1999 | US5880698 Arrangement for generating and transmitting microwaves, in particular for a filling level measuring device |
| 03/09/1999 | US5880652 Stripline filter with stripline resonators of varying distance therebetween |
| 03/09/1999 | CA2153181C Signal level measuring apparatus |
| 03/09/1999 | CA2103497C Method and apparatus for synchronizing a received signal in a digital radio communication system |
| 03/09/1999 | CA2004542C Automatic antenna tuning method and apparatus |
| 03/04/1999 | WO1999010988A2 Spread spectrum communication device |
| 03/04/1999 | WO1999010987A2 Predistortion linearizer circuit |
| 03/04/1999 | WO1999010980A1 Wideband channelization with variable sampling frequency |
| 03/04/1999 | WO1999010979A1 Wideband channelization using subsampled discrete fourier transforms |
| 03/04/1999 | WO1999010976A1 Communications apparatus |
| 03/04/1999 | WO1999010886A2 Method and device for detecting a transient in a discrete-time audiosignal |
| 03/04/1999 | WO1998053556A3 Direct sequence spread spectrum method, computer-based product, apparatus and system tolerant to frequency reference offset |
| 03/04/1999 | WO1998053343A3 Tagging system using motion detector |
| 03/04/1999 | DE19839251A1 Screening housing for HF circuit |
| 03/04/1999 | DE19830270A1 Mobile telephone holder |
| 03/04/1999 | DE19737945A1 Data transmission method for automobile tire pressure control system |
| 03/04/1999 | DE19737532A1 Service personnel organizer for restaurants |
| 03/04/1999 | CA2301748A1 Communications apparatus |
| 03/04/1999 | CA2301106A1 Wideband channelization with variable sampling frequency |
| 03/04/1999 | CA2301105A1 Wideband channelization using subsampled discrete fourier transforms |
| 03/04/1999 | CA2243857A1 Process for calibrating receiver and/or transmitter chains piloting a radiator network, and the corresponding mobile station |
| 03/03/1999 | EP0899978A2 Short message transmission |
| 03/03/1999 | EP0899901A2 Device and method for displaying an operating status in a radio communication system |
| 03/03/1999 | EP0899895A1 Coherent demodulation of spread spectum signals without pilot signal |
| 03/03/1999 | EP0899894A2 Smart antenna receiver and signal receiving method |
| 03/03/1999 | EP0899893A1 Spread spectrum communications receiver |
| 03/03/1999 | EP0899892A2 Signal processing apparatus and method, and information recording apparatus |
| 03/03/1999 | EP0899891A2 A wireless terminal adapted for inductively coupling with a radio |
| 03/03/1999 | EP0899890A2 Apparatus and method for mobile communications |
| 03/03/1999 | EP0899889A2 Car radio with removable front panel |
| 03/03/1999 | EP0899876A1 Automatic radio station memory programming |
| 03/03/1999 | EP0899870A1 Apparatus and method for pre-distortion correction of a power amplifier |
| 03/03/1999 | EP0899812A2 BS converter |
| 03/03/1999 | EP0899806A2 Dielectric filter, duplexer, and communication system |
| 03/03/1999 | EP0899682A2 High impedance transponder with improved backscatter modulator for electronic indentification system |
| 03/03/1999 | EP0899677A2 Reader arrangement for an electronic identification system |
| 03/03/1999 | EP0898819A2 Communication bus system |
| 03/03/1999 | EP0898815A2 Transponder communications device |
| 03/03/1999 | EP0898814A1 Broadcast receiver with integrated telephone unit |
| 03/03/1999 | EP0898461A1 A system for measuring and indicating changes in the resistance of a living body |
| 03/03/1999 | EP0847341B1 Audio device for vehicles, especially motor vehicles |
| 03/03/1999 | EP0673578B1 Apparatus and method for use in a digital cable headend for cable television delivery system |
| 03/03/1999 | EP0579753B1 Three-cell wireless communication system |
| 03/03/1999 | CN1209920A Method for calculating impulse response and receive thereof |
| 03/03/1999 | CN1209918A Selective filtering for co-channel interference reduction |
| 03/03/1999 | CN1209716A Network control system, network terminal and control terminal |
| 03/03/1999 | CN1209714A Mobile communication apparatus, power supply apparatus and power-supplying method and modulator-demodulator card |
| 03/03/1999 | CN1209708A Automatic-ejection type user-identifying card reception seat mechanism |
| 03/03/1999 | CN1209697A Signal receiving apparatus of code division multiple address communication system |