| 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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| 10/01/1997 | EP0798874A2 Wireless communication system using frequency hopping, and method of controlling the system |
| 10/01/1997 | EP0798873A2 Subtractive multi-user interference cancellation in a CDMA communications system |
| 10/01/1997 | EP0798872A2 CDMA mobile communications system |
| 10/01/1997 | EP0798871A1 Method and device for separating and presuming noise contained in spread spectrum signal |
| 10/01/1997 | EP0798870A2 Receiving apparatus for spectrum spread system |
| 10/01/1997 | EP0798869A2 Compressed audio signal processing |
| 10/01/1997 | EP0798868A2 Radio receiving apparatus |
| 10/01/1997 | EP0798866A2 Digital data processing system |
| 10/01/1997 | EP0798681A1 Pulsed interrogation signal in harmonic EAS system |
| 10/01/1997 | EP0798651A2 Personal storage device for application and data transfer |
| 10/01/1997 | EP0797899A1 Method and system of data transmission and reception in a mobile station within a radio telecommunications system |
| 10/01/1997 | EP0797875A1 An adaptive filter for signal processing and method therefor |
| 10/01/1997 | EP0797873A2 Method and apparatus for increasing receiver immunity to interference |
| 10/01/1997 | EP0797872A1 Method of electronic control |
| 10/01/1997 | EP0705512B1 Method and apparatus for determining the data rate of a received signal |
| 10/01/1997 | EP0701752A4 A method and apparatus for determining signal usability |
| 10/01/1997 | EP0587886B1 A method for tuning an rf bandpass filter |
| 10/01/1997 | CN2263848Y Earphone radio |
| 10/01/1997 | CN2263847Y Multifunction audio-visual medium bridge |
| 10/01/1997 | CN1161120A Communication system with sliding frequency, and transceiver for the system |
| 10/01/1997 | CN1161118A Method for synchronizing spreading code and device for synchronizing spreading code |
| 10/01/1997 | CN1161116A Automatic tuning of a radio transceiver |
| 10/01/1997 | CN1161115A A digital radio system, A digital radio device, and quadrature demodulator |
| 10/01/1997 | CN1160953A Saturationproof circuit for receiver |
| 10/01/1997 | CN1160950A System and method for management of neighbor-channel interference with power control and directed channel assignment |
| 10/01/1997 | CN1036041C 直接变换接收机 Direct conversion receiver |
| 09/30/1997 | US5673363 Error concealment method and apparatus of audio signals |
| 09/30/1997 | US5673325 Noise cancellation apparatus |
| 09/30/1997 | US5673324 Radio receiver circuit for deriving at least one reception quality signal |
| 09/30/1997 | US5673323 Analog spread spectrum wireless speaker system |
| 09/30/1997 | US5673294 Adaptive maximum likelihood sequence estimation apparatus and adaptive maximum likelihood sequence estimation method |
| 09/30/1997 | US5673289 Method for encoding digital audio signals and apparatus thereof |
| 09/30/1997 | US5673287 Dual mode amplifier network having an isolator in a digital path and a filter in an analog path |
| 09/30/1997 | US5673286 Spread spectrum multipath processor system and method |
| 09/30/1997 | US5673266 Communication system |
| 09/30/1997 | US5673260 Method and system for CDMA mobile communication |
| 09/30/1997 | US5673037 System and method for radio frequency tag group select |
| 09/30/1997 | US5673031 Redundant radio frequency network having a roaming terminal communication protocol |
| 09/30/1997 | US5673001 Method and apparatus for amplifying a signal |
| 09/30/1997 | US5672860 Integrated hand-held bar code processing device capable of automatic scan and data display |
| 09/30/1997 | CA2070027C Portable telephone |
| 09/29/1997 | CA2200533A1 Pulsed interrogation signal in harmonic eas system |
| 09/25/1997 | WO1997035412A1 Method and apparatus for routing a digitized rf signal to a plurality of paths |
| 09/25/1997 | WO1997035411A1 Balanced transversal i,q filters for quadrature modulators |
| 09/25/1997 | WO1997035397A1 Frequency hopping radiocommunication system and synchronous catching method |
| 09/25/1997 | WO1997035391A1 Spread spectrum frequency hopping reader system |
| 09/25/1997 | WO1997035386A1 Analysis/synthesis filtering system with efficient oddly-stacked single-sideband filter bank using time-domain aliasing cancellation |
| 09/25/1997 | WO1997035385A1 Automated system and method for optimizing receive system performance |
| 09/25/1997 | WO1997035384A1 Receiving method and a receiver |
| 09/25/1997 | WO1997035381A1 Reducing or eliminating radio transmitter mixer spurious outputs |
| 09/25/1997 | DE19611610A1 Oszillaotr Oszillaotr |
| 09/24/1997 | EP0797332A2 Packet data communication system |
| 09/24/1997 | EP0797325A2 Receiver with data frame buffering |
| 09/24/1997 | EP0797324A2 Enhanced joint stereo coding method using temporal envelope shaping |
| 09/24/1997 | EP0797316A2 Spread spectrum communication receiver |
| 09/24/1997 | EP0797315A2 Code division multiple access apparatus |
| 09/24/1997 | EP0797314A2 Synchronizer for receiver of spread spectrum communication apparatus |
| 09/24/1997 | EP0797313A2 Switched filterbank for use in audio signal coding |
| 09/24/1997 | EP0797312A2 Transmit-receive switching with semiconductors |
| 09/24/1997 | EP0797311A2 Multiple-band mobile transceiver having a smaller number of local oscillators |
| 09/24/1997 | EP0797310A2 Wireless communication set having backlighted display |
| 09/24/1997 | EP0797308A2 Radio data transmitter and receiver |
| 09/24/1997 | EP0797304A2 Improvements in or relating to radio receivers |
| 09/24/1997 | EP0797299A2 Variable gain control |
| 09/24/1997 | EP0797294A1 Method for correcting non-linear distortion of an amplifier and radio transmitter using such method |
| 09/24/1997 | EP0797293A1 Method for correcting non-linear distortion of an amplifier and radio transmitter using such method |
| 09/24/1997 | EP0797292A1 Integrated receiver |
| 09/24/1997 | EP0797104A2 Monostatic homodyne radar system |
| 09/24/1997 | EP0796532A1 Ocdma code tracking system having phantom carrier signal |
| 09/24/1997 | EP0796529A2 Orthogonal code division multiple access communication system having multicarrier modulation |
| 09/24/1997 | EP0796526A1 Method and arrangement in a transmission system |
| 09/24/1997 | EP0796496A2 Receiver circuit |
| 09/24/1997 | CN2263418Y Wireless intercom |
| 09/24/1997 | CN1160464A Method and apparatus for aligning digital receiver |
| 09/24/1997 | CN1160462A Reception method, and receiver |
| 09/24/1997 | CN1160313A RDS-TMC broadcast receiver |
| 09/24/1997 | CN1160312A Low pass filter for suppressing harmonic of radio transmitter |
| 09/24/1997 | CN1160311A Mute control circuit |
| 09/24/1997 | CN1160306A Multi-port radio frequency signal transformation network |
| 09/24/1997 | CN1035974C Method for repeaters to adaptively digitally code received analog information |
| 09/23/1997 | US5671386 System for storing data and for providing simultaneous plural access to data by connecting each access channel to each and every one of storage arrays |
| 09/23/1997 | US5671286 Strategy for controlling FM stereo separation and frequency response in noisy reception environments |
| 09/23/1997 | US5671255 Method and apparatus for determining coding rate in a wireless communication system |
| 09/23/1997 | US5671254 Modulation, demodulation and antenna coupling circuits used in IC card reading/writing apparatus, and method of supplying power to the IC card |
| 09/23/1997 | US5671248 Spread spectrum communication equipment |
| 09/23/1997 | US5671247 Method and apparatus for interference suppression in spread spectrum signals |
| 09/23/1997 | US5671220 Satellite channel interface in indoor unit used for satellite data communication |
| 09/23/1997 | US5671133 Electric power receiving and supplying circuit |
| 09/23/1997 | US5670902 Satellite broadcast receiving system and change-over divider for use in same |
| 09/23/1997 | CA2118879C Low-delay stubband adaptive filter |
| 09/23/1997 | CA2111944C Portable telephone set |
| 09/23/1997 | CA2109976C Casing for a miniature portable apparatus |
| 09/22/1997 | CA2200660A1 Method of correcting nonlinearities of an amplifier, and radio transmitter employing a method of this type |
| 09/21/1997 | CA2200531A1 Pre-compensated frequency modulation (pfm) |
| 09/21/1997 | CA2200530A1 Variable-gain control |
| 09/18/1997 | WO1997034421A1 Data transmission using atm over hybrid fiber coax |
| 09/18/1997 | WO1997034387A1 Method and apparatus for power control in a communication system |
| 09/18/1997 | WO1997034381A2 Method and apparatus for antenna realignment in a mobile radiotelephone using an injected audio signal |
| 09/18/1997 | WO1997034380A1 Method and apparatus for estimating a channel parameter in a digital radio frequency communication system |
| 09/18/1997 | WO1997034377A1 Dual antenna arrangement for portable transceiver |