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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11/17/1999 | EP0956649A1 Adaptive radio receiver apparatus |
11/17/1999 | EP0956648A1 Transmitter combiner arrangement |
11/17/1999 | EP0956644A1 Automatic frequency control circuit |
11/17/1999 | EP0956537A1 Transmission module for a transponder device, transponder device and method for operating said device |
11/17/1999 | EP0806087A4 Method and apparatus for a linear transmitter |
11/17/1999 | EP0774147B1 Alerting device and system for abnormal situations |
11/17/1999 | EP0705501B1 Method and apparatus for testing telecommunications equipment using a reduced redundancy test signal |
11/17/1999 | EP0670087B1 Method and arrangement for controlling the operation of a high-frequency power amplifier |
11/17/1999 | EP0489838B1 Battery saver for a tdm system |
11/17/1999 | CN2349735Y Cell box for mobile telephone set |
11/17/1999 | CN2349734Y Mobile telephone set with pulling out built-in microphone and earphone |
11/17/1999 | CN2349723Y Casing for communication equipment |
11/17/1999 | CN1235741A Method of combining several signals, and base station |
11/17/1999 | CN1235716A Method for wireless information transfer |
11/17/1999 | CN1235715A Circulator usage in time division duplex radios |
11/17/1999 | CN1235712A Muting microphone in radiocommunication systems |
11/17/1999 | CN1235701A Belt clip holder with auxiliary battery |
11/17/1999 | CN1235501A Mobile communication system by code division multiple access |
11/17/1999 | CN1235498A Radio communication apparatus and radio communication method |
11/17/1999 | CN1235492A Method and system for optimizing for ward power control in CDMA system |
11/17/1999 | CN1235490A Radio selective-calling receiver |
11/17/1999 | CN1235485A Method and apparatus for increasing output impedance of transmit amplifier during reveive mode of two-way communication unit |
11/17/1999 | CN1235470A Mobile radio telephone capable of recording/reproducing voice signal and method for controlling the same |
11/17/1999 | CN1235444A Pilot signal detection method and receiver |
11/17/1999 | CN1235442A Spectrum spreading communication system using single spreading code |
11/17/1999 | CN1235438A System, apparatus and method for multi-carrier transmission |
11/17/1999 | CN1235432A CDMA multi-user receiving apparatus including interference canceller with optimal receiving state |
11/17/1999 | CN1235431A Wireless frequency expansion multi-point controller |
11/17/1999 | CN1235416A Radio device including receiver and method of adjusting one of high-frequency amplifier stages of receiver |
11/17/1999 | CN1046608C Apparatus and method for data compression using signal-weighted quantizing bit allocation |
11/17/1999 | CN1046607C 噪声抑制装置 Noise suppression apparatus |
11/16/1999 | US5987405 Speech compression by speech recognition |
11/16/1999 | US5987382 Radio signal receiver for motor vehicles with an RDS decoder for digital signals |
11/16/1999 | US5987339 Receiving portion of radio communication device |
11/16/1999 | US5987337 Radio pager |
11/16/1999 | US5987325 Multiple smart card phone and method |
11/16/1999 | US5987314 Radio communication apparatus having a high receiving sensitivity |
11/16/1999 | US5987313 Apparatus for controlling tuning point and tuning circuit having function of controlling tuning point |
11/16/1999 | US5987311 Apparatus for enabling a keypad in response to antenna extension |
11/16/1999 | US5987310 Cellular phone |
11/16/1999 | US5987309 Transceiver circuits for TDMA system with variable frequency second local oscillator |
11/16/1999 | US5987308 Portable terminal having a shared antenna with reduced standing wave ratio |
11/16/1999 | US5987307 Power control in wireless radio tranceivers |
11/16/1999 | US5987304 Repeater with variable bandwidth |
11/16/1999 | US5987141 Stereo expander |
11/16/1999 | US5987098 Method and system for sparing echo cancellers |
11/16/1999 | US5987076 Coherent signal processing for CDMA communication system |
11/16/1999 | US5987060 System and method of radio communications with an up-down digital signal link |
11/16/1999 | US5987059 Method for Doppler-replica harmonic avoidance |
11/16/1999 | US5987058 Wireless alarm system |
11/16/1999 | US5987057 Wireless local area networks |
11/16/1999 | US5987056 PN sequence hopping method and system |
11/16/1999 | US5987020 Intermittent transmission control system |
11/16/1999 | US5987016 Method and apparatus for tracking a communication signal in a wireless communication system |
11/16/1999 | US5987015 Code division multiplexing communication system and method |
11/16/1999 | US5987014 Multipath resistant, orthogonal code-division multiple access system |
11/16/1999 | US5986714 Method, apparatus and computer program product for selectively reducing bandwidth of real-time video data |
11/16/1999 | US5986608 Antenna coupler for portable telephone |
11/16/1999 | US5986505 Circular stripline package incorporating a MMIC low noise amplifier |
11/16/1999 | US5984500 Remote controller |
11/16/1999 | US5983646 Cooling apparatus for a high-frequency receiver |
11/16/1999 | CA2133844C Method of transmitting and/or storing digitized data-reduced audio signals |
11/16/1999 | CA2120867C Radio communication apparatus which can quickly recover from misjudgement of levels of a multilevel modulated signal |
11/13/1999 | CA2270607A1 A technique for time alignment of uplink cdma signals |
11/13/1999 | CA2267714A1 Method and apparatus to reduce transmitter overload of a transmit scanning receiver |
11/11/1999 | WO1999057930A1 Compact cable tuner/transceiver |
11/11/1999 | WO1999057929A1 Gsm cellular telephone and gps receiver combination |
11/11/1999 | WO1999057819A1 Search window delay tracking in code division multiple access communication systems |
11/11/1999 | WO1999057818A1 Double-balanced monolithic microwave integrated circuit mixer |
11/11/1999 | WO1999057817A2 Code division multiple access transmitter and receiver |
11/11/1999 | WO1999057809A1 High frequency receiver range switching circuit |
11/11/1999 | WO1999057808A1 Control device for a radio receiver |
11/11/1999 | WO1999057676A1 System for encoded rf and encoded magnetic field communication and method therefor |
11/11/1999 | WO1999049586A3 Spread spectrum transceiver for use in wireless local area network and having multipath mitigation |
11/11/1999 | DE19915031A1 Orthogonal frequency hopping pattern reuse scheme for radio telephone systems |
11/11/1999 | DE19819544A1 Schaltungsanordnung zur Bereichsumschaltung in Hochfrequenzempfängern Circuit arrangement for range switching in high-frequency receivers |
11/11/1999 | DE19819092A1 Receiver device for high frequency, vector modulated signals |
11/11/1999 | DE19819090A1 Remote controller with alphanumeric input e.g. for television equipment |
11/11/1999 | DE19819038A1 Frequency converter arrangement for high frequency receivers or generators |
11/11/1999 | DE19809154C1 Combined radio and media player with drop-down front panel for car |
11/11/1999 | CA2330638A1 Control device for a radio receiver |
11/10/1999 | EP0955780A1 Wireless communication system, base station and mobile subscriber terminal, exchanging radio signals according to a sequence of frequency hoppings |
11/10/1999 | EP0955744A2 Capacity allocation for ADSL |
11/10/1999 | EP0955741A1 Channel estimating apparatus, and cdma receiver and cdma transceiver each having the apparatus |
11/10/1999 | EP0955736A2 Method and apparatus for providing power control in a multi-carrier wide band CDMA system |
11/10/1999 | EP0955735A2 Base station apparatus and transmission power control method |
11/10/1999 | EP0955734A2 Pseudorandom binary sequence block shifter |
11/10/1999 | EP0955733A2 PN code generation apparatus and method, and radio communication apparatus |
11/10/1999 | EP0955732A1 Method and device to demultiplex a frequency demodulated stereo-multiplex-signal |
11/10/1999 | EP0955698A1 High-frequency electronic device |
11/10/1999 | EP0955548A1 Device for detecting electromagnetic waves |
11/10/1999 | EP0954909A1 Method for coding an audio signal |
11/10/1999 | EP0954824A1 System for communicating by remote interrogating for transmitting inhibiting commands |
11/10/1999 | EP0954756A1 Radioelectric transponder equipped with frequency detuning antenna and circuit |
11/10/1999 | CN1234942A Compatible transmission and reception of operational signals to be processed by receiver |
11/10/1999 | CN1234929A Method and apparatus for preforming data rate determination |
11/10/1999 | CN1234926A Signal processor employing spectral property of signals |
11/10/1999 | CN1234896A Information decorder and decoding method, information encoder and encoding method and distribution medium |
11/10/1999 | CN1234895A Noise cancellation and noise reduction apparatus |
11/10/1999 | CN1234710A Method of repeated using of quadrature frequency hopping pictures |