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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07/28/1998 | US5787111 Transportable communication system |
07/28/1998 | US5787090 Audio data system with a first information sub-channel, extraction means for extracting said information, and packetizer means for supplementing said audio in a second information sub-channel, and attacher station and user station for use in such a system |
07/28/1998 | US5787079 Method and apparatus for creating multiple subchannels in a single two-way radio channel |
07/28/1998 | US5786991 Cellular telephone |
07/28/1998 | US5786770 Message handling in a telecommunications network |
07/28/1998 | US5786728 Cuber based predistortion circuit and mobile station using the same |
07/28/1998 | US5786626 Thin radio frequency transponder with leadframe antenna structure |
07/28/1998 | CA2092495C Communication system |
07/24/1998 | CA2226430A1 Simple dual-frequency antenna |
07/23/1998 | WO1998032263A2 High-data-rate supplemental channel for cdma telecommunications system |
07/23/1998 | WO1998032253A2 Method of, and apparatus for, processing low power pseudo-random code sequence signals |
07/23/1998 | WO1998032248A1 Signalling system |
07/23/1998 | WO1998032239A2 Jamming suppression of spread spectrum antenna/receiver systems |
07/23/1998 | WO1998032238A2 Transponder communication device |
07/23/1998 | WO1998032237A2 Transponder communication device |
07/23/1998 | WO1998032236A1 Radio system and methods for duplex operation |
07/23/1998 | WO1998032235A2 Receiver apparatus for two frequency bands |
07/23/1998 | WO1998032234A1 Antenna circuit |
07/23/1998 | WO1998032233A2 Multi-tuner receiver |
07/23/1998 | WO1998023021A3 A battery pack for a portable electric apparatus and a method for the charging thereof |
07/23/1998 | WO1998021836A3 Receiving method, and receiver |
07/23/1998 | WO1998020635A3 A radio receiver for receiving a main radio broadcast signal and a monolythic integrated circuit for use in such radio receiver |
07/23/1998 | DE19701839A1 Radiation exposure reduction arrangement for mobile telephone |
07/23/1998 | DE19701459A1 Broadcasting signal receiver with two independently operating tuner circuits |
07/23/1998 | DE19700500A1 Television set with remote control |
07/23/1998 | CA2277375A1 Signalling system |
07/23/1998 | CA2277071A1 High-data-rate supplemental channel for cdma telecommunications system |
07/22/1998 | EP0854650A2 Method for addressing a service in digital video broadcasting |
07/22/1998 | EP0854598A2 Co-channel interference detector for a broadcast receiver |
07/22/1998 | EP0854592A2 Digital messaging method and apparatus for spread spectrum communications under extremes of digital messages readability |
07/22/1998 | EP0854589A2 Adaptive antenna diversity receiver |
07/22/1998 | EP0854586A2 Quadrature spread spectrum signal demodulation |
07/22/1998 | EP0854585A2 RF transceiver |
07/22/1998 | EP0854584A2 Accessory device for a portable radio telephone |
07/22/1998 | EP0854583A1 Portable device battery technique |
07/22/1998 | EP0854582A1 Click noise reduction method in a data transmission system |
07/22/1998 | EP0854535A2 Antenna apparatus |
07/22/1998 | EP0853846A2 Radio receiver with a memory for transmission frequencies and codes associated to said frequencies |
07/22/1998 | EP0853842A1 Encoding of a plurality of information signals |
07/22/1998 | EP0853828A1 Multi-axis vertically corrected antenna for handheld wireless communications devices |
07/22/1998 | EP0696392B1 Method and device for automatically controlling gain in receiver circuits |
07/22/1998 | EP0515675B1 Synchronous spread-spectrum communications system and method |
07/22/1998 | CN1188572A N-channel transmission, compatible with 2-channel transmission and 1-channel transmission |
07/22/1998 | CN1188571A 7-channel transmission, compatible with 5-channel transmission and 2-channel transmission |
07/22/1998 | CN1188565A Antenna coupler for portable radiotelephone |
07/22/1998 | CN1188356A Terminal unit for use with radio system and searching method |
07/22/1998 | CN1188353A Interference canceller equipment and interference cancelling method for use in multibeam-antenna communication system |
07/22/1998 | CN1188351A Housing intelligent telephone with telecord |
07/22/1998 | CN1188350A Radio receiver having temperature-compensated voltage-controlled crystal oscillator |
07/22/1998 | CN1188349A Multistage interference canceller |
07/22/1998 | CN1188293A Method and device for managing status/alarm message of GPS receiver and broadcasting system time |
07/21/1998 | US5784691 RDS-TMC broadcast receiver |
07/21/1998 | US5784690 Transceiver measuring battery voltage when receiving in a TDMA system |
07/21/1998 | US5784689 Output control circuit for transmission power amplifying circuit |
07/21/1998 | US5784688 Portable radio communication device with a rotary control knob assembly |
07/21/1998 | US5784687 Transmitting-receiving circuit for radiocommunication apparatus, semiconductor integrated circuit device including the circuit, and radiocommunication apparatus including the same |
07/21/1998 | US5784686 IQ combiner technology in modulated backscatter system |
07/21/1998 | US5784533 Arrangement for determining a signal spectrum of a wideband digital signal and for deriving bit allocation information in response thereto |
07/21/1998 | US5784472 Process and circuitry for the supplying of loudspeakers and other electrical consumers in vehicle doors with signals |
07/21/1998 | US5784466 Co-channel interference detector |
07/21/1998 | US5784465 Stereo receiver |
07/21/1998 | US5784418 Dual band digital broadcast receiver |
07/21/1998 | US5784414 Receiver with quadrature decimation stage, method of processing digital signals |
07/21/1998 | US5784403 Spread spectrum correlation using saw device |
07/21/1998 | US5784366 Wideband code-division-multiple access system and method |
07/21/1998 | US5784364 Multiple path delay time searcher in reverse link communication channel of a communication system employing a code division multiple access method |
07/21/1998 | US5784293 Apparatus and method for determining transmitted modulation symbols |
07/21/1998 | US5783989 For monitoring a protected area and sounding an alarm |
07/21/1998 | US5783976 Composite high frequency apparatus and method of forming same |
07/21/1998 | US5783968 RF amplifier method and apparatus |
07/21/1998 | US5782646 Combined connector contact |
07/21/1998 | US5782548 Image projection system and a method of controlling a projected pointer |
07/21/1998 | CA2096402C High-speed facility protection in a digital telecommunications system |
07/16/1998 | WO1998031192A1 Speaker porting for a communication device |
07/16/1998 | WO1998031131A1 Multimedia terminal device |
07/16/1998 | WO1998031121A2 Communication bus system |
07/16/1998 | WO1998031109A1 Signal combining device and method for radio communication |
07/16/1998 | WO1998031108A2 A radio front-end circuit |
07/16/1998 | WO1998031094A1 Frequency synthesizer circuit for mobile stations |
07/16/1998 | WO1998031067A1 Dual band antenna |
07/16/1998 | WO1998030919A2 Enhancing sensitivity in compressive receivers |
07/16/1998 | WO1998025424A3 Mobile telephone |
07/16/1998 | WO1998018280A3 Random access in a mobile telecommunications system |
07/16/1998 | DE19735798C1 Transceiver device for mobile radio telephone |
07/16/1998 | DE19700356A1 Radio communications device |
07/16/1998 | CA2226092A1 Co-channel interference detector |
07/15/1998 | EP0853392A2 Subcarrier frequency division multiplexing of modulated backscatter signals |
07/15/1998 | EP0853391A2 Method and apparatus for enhancing transmitter circuit efficiency of mobile radio units |
07/15/1998 | EP0853389A2 Terminal unit using Rake receiver and searching method |
07/15/1998 | EP0853388A2 Phase correction method and apparatus for wireless spread spectrum receiver |
07/15/1998 | EP0853387A2 Method and apparatus for transmitting and receiving multichannel signals |
07/15/1998 | EP0853382A2 Time spread root nyquist filter |
07/15/1998 | EP0853348A2 Waveguide input apparatus of two orthogonally polarized waves including two probes attached to a common board |
07/15/1998 | EP0853301A2 A remote control apparatus and a system therefor |
07/15/1998 | EP0853288A2 Encryption for modulated backscatter systems |
07/15/1998 | EP0853245A2 Modulated backscatter sensor system |
07/15/1998 | EP0852866A2 Receiver architecture for the receiving of angle-modulated/ angle-keyed carrier signals |
07/15/1998 | EP0852822A1 Magnetically driven vertically correcting antenna for portable telephones |
07/15/1998 | EP0697155B1 Wireless data transceiver |
07/15/1998 | CN2286357Y Antiloosing & antitheft alarmer for mobile phone |