| 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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| 07/26/2001 | DE19954897A1 Verfahren zur Verwendung eines auf Frequenzmodulation basierenden Transceivers für mit einem Spreizspektrumverfahren kodierte Signale A method of using a system based on frequency modulation transceiver for coded with a spread spectrum signals |
| 07/26/2001 | DE19943687C1 Verfahren und Anordnung zur Strahlformung eines Rake-Empfängers für den Ein-Nutzer-Empfang für den Uplink-Kanal in Mobilfunksystemen Method and apparatus for beam shaping of a Rake receiver for the one-user receivers for the uplink channel in mobile radio systems |
| 07/26/2001 | DE10065364A1 Spannungsgesteuerter Oszillator und Kommunikationsvorrichtung unter Verwendung desselben A voltage controlled oscillator and the same communication device using |
| 07/26/2001 | DE10063556A1 Radio broadcasting receiver has control unit that switches to first or second operation mode based on monostereo recognizer that determines if output device is monoaudio output device or stereo audio device |
| 07/26/2001 | DE10044515A1 Two band wire less telephone high frequency coupler having first coupler elements transmitting/matched load connected and second coupler elements transmitting/first coupler element connected. |
| 07/26/2001 | DE10007189A1 Protection circuit for securing against drop in potential, especially for protecting against short circuits in antenna systems, has arrangement for detecting short circuit condition |
| 07/26/2001 | DE10004577A1 Case device for mobile telephone, has revolver type grip and hinge connecting two frame halves. |
| 07/26/2001 | DE10002501A1 Integrierte Schaltungsanordnung zur NF-Signalgewinnung bei kontaktloser Datenübertragung Integrated circuit arrangement for NF-signal acquisition in contactless data transmission |
| 07/26/2001 | DE10001151A1 Verfahren und Vorrichtung zur Linearisierung eines Hochfrequenz-Hochleistungsverstärkers Method and device for the linearization of an RF high power amplifier |
| 07/26/2001 | DE10000756A1 Data transmission method for communication between interrogation device and automobile has different frequencies used for interrogation signal and transmitted data |
| 07/26/2001 | CA2365205A1 Communications terminal |
| 07/26/2001 | CA2360979A1 Method of and apparatus for spread spectrum reception |
| 07/25/2001 | EP1119191A2 Television control and audio module |
| 07/25/2001 | EP1119161A2 Wireless hands-free system of cellular phone |
| 07/25/2001 | EP1119160A2 Universal hands-free kit for cellular phone |
| 07/25/2001 | EP1119156A1 Foldable portable communication terminal device |
| 07/25/2001 | EP1119154A2 Opening/closing structure for a flip attached to a portable phone |
| 07/25/2001 | EP1119146A2 Frequency-domain equalisation |
| 07/25/2001 | EP1119121A2 Method and apparatus for digital radio transmission of audio signals |
| 07/25/2001 | EP1119118A2 Method for controlling the random access to a base station in a cdma communication system |
| 07/25/2001 | EP1119113A2 Method and system for dynamic downlink power control in a timedivision, multiplex wireless system |
| 07/25/2001 | EP1119112A2 Frequency hopping communication protocol |
| 07/25/2001 | EP1119111A1 Isolator with built-in power amplifier |
| 07/25/2001 | EP1119101A1 Input circuit for satellite tuner receiver |
| 07/25/2001 | EP1119069A2 Dielectric filter, antenna sharing device, and communication device |
| 07/25/2001 | EP1118196A1 Digital receiver for a signal generated with discrete multi-tone modulation |
| 07/25/2001 | EP1118178A1 Adaptive wireless communication receiver |
| 07/25/2001 | EP1118177A1 Spread spectrum multipath combining subsystem and method |
| 07/25/2001 | EP1118176A1 In-line predistorter for linearization of electronic and optical signals |
| 07/25/2001 | EP1118166A1 Generating a cyclic sequence of frequencies |
| 07/25/2001 | EP1118165A2 Method and apparatus for interference cancellation in a rake receiver |
| 07/25/2001 | EP1118164A1 Method for increasing the capacity of a orthogonal waveform multiple access network, and associated units |
| 07/25/2001 | EP1118163A1 Filtering of a receive frequency band |
| 07/25/2001 | EP1118162A1 Combined advertising and entertainment system network |
| 07/25/2001 | EP1118157A1 Fractional- n frequency synthesiser |
| 07/25/2001 | EP1118155A1 Method for separating a desired signal from an interfering signal |
| 07/25/2001 | EP1118137A1 Dual antenna and radio device provided therewith |
| 07/25/2001 | EP1118084A1 An electromagnetic shield |
| 07/25/2001 | EP0922316B1 Method of tuning summing network of base station |
| 07/25/2001 | EP0830764B1 A control system for a wireless telecommunications system |
| 07/25/2001 | EP0742973B1 Local oscillator phase noise cancelling modulation technique |
| 07/25/2001 | EP0701344B1 Adaptive spread spectrum receiver |
| 07/25/2001 | CN2440302Y Electromagnetic-radiation-resisting film for mobile telephone |
| 07/25/2001 | CN2439980Y Anti-theft monitoring device for automobile |
| 07/25/2001 | CN1305683A Personal navigator system |
| 07/25/2001 | CN1305664A Radio receiver |
| 07/25/2001 | CN1305324A Battery change method wireless telephone set during call treatment period |
| 07/25/2001 | CN1305320A Cellular radio communication system |
| 07/25/2001 | CN1305313A 通信系统 Communications systems |
| 07/25/2001 | CN1305312A 通信系统 Communications systems |
| 07/25/2001 | CN1305311A 通信系统 Communications systems |
| 07/25/2001 | CN1305310A 通信系统 Communications systems |
| 07/25/2001 | CN1305282A Parallel interferences cancel tester of join judge part |
| 07/25/2001 | CN1305281A Control device and method of automatic frequency control in mobile communication system and mobile communication equipment using said device and method |
| 07/25/2001 | CN1305280A Transmission system including one first kind station and second kind station and method of synchronization |
| 07/25/2001 | CN1305279A Code division multiple access transmitting power control in variable control period |
| 07/25/2001 | CN1305270A Receiving power electrical level computing circuit and receiver using said circuit |
| 07/25/2001 | CN1069007C Broadboard low-noise low intermodulation distortion receiver |
| 07/24/2001 | US6266545 Transferring data in a fixed-site radio transceiver station by modulating power supply current |
| 07/24/2001 | US6266544 Adapter for portable telephone usable as mobile telephone in vehicle |
| 07/24/2001 | US6266538 Antenna for the folding mobile telephones |
| 07/24/2001 | US6266522 Apparatus and methods for tuning bandpass filters |
| 07/24/2001 | US6266519 Receiver |
| 07/24/2001 | US6266518 Method and system for down-converting electromagnetic signals by sampling and integrating over apertures |
| 07/24/2001 | US6266515 Communication terminal equipped with a press-to-talk switch for automatic transmission |
| 07/24/2001 | US6266430 Audio or video steganography |
| 07/24/2001 | US6266422 Noise canceling method and apparatus for the same |
| 07/24/2001 | US6266365 CDMA receiver |
| 07/24/2001 | US6266364 Data processor for generating spread codes |
| 07/24/2001 | US6266363 Transmitting/receiving apparatus using a plurality of spreading codes |
| 07/24/2001 | US6266362 Modulated spread spectrum in RF identification systems method |
| 07/24/2001 | US6266361 Method and architecture for correcting carrier frequency offset and spreading code timing offset in a direct sequence spread spectrum communication system |
| 07/24/2001 | US6266347 System and method for modifying symbol duration for the efficient transmission of information in a time duplex noise environment |
| 07/24/2001 | US6266331 Device for generating multiple spreading sequences in reverse high speed data channels |
| 07/24/2001 | US6266321 Method for transmitting two parallel channels using code division and an apparatus realizing the method |
| 07/24/2001 | US6266320 Amplitude limitation in CDMA system |
| 07/24/2001 | US6265977 Radio frequency identification tag apparatus and related method |
| 07/24/2001 | US6265947 Power conserving phase-locked loop and method |
| 07/24/2001 | US6265940 Detector and transmitter incorporating the detector |
| 07/24/2001 | US6265935 Amplifier for radio transmission |
| 07/24/2001 | US6265849 Electrical apparatus comprising a battery and method of detecting the disconnection of a battery |
| 07/24/2001 | US6265807 Spread spectrum communication apparatus, and demodulator, surface acoustic wave element and surface acoustic wave parts for spread spectrum communication |
| 07/24/2001 | CA2226489C Communication system |
| 07/24/2001 | CA2213619C Miniature wireless modem |
| 07/24/2001 | CA2194695C A direct conversion receiver |
| 07/24/2001 | CA2159379C Interference cancellation system employing an i/q quadrature rotator |
| 07/21/2001 | CA2325826A1 Rf power amplifier system having inductive steering |
| 07/20/2001 | CA2331995A1 Equaliser for digital communications systems and method of equalisation |
| 07/19/2001 | WO2001052565A2 Wireless communication system with selectively sized data transport blocks |
| 07/19/2001 | WO2001052535A2 Transmission system, transmitter and receiver |
| 07/19/2001 | WO2001052534A2 System and method for connecting home entertainment and computer devices using a local cdma-based network |
| 07/19/2001 | WO2001052494A1 Multicarrier transmission system with interference detection and removal |
| 07/19/2001 | WO2001052490A1 Method and device for synchronisation of data transfer devices |
| 07/19/2001 | WO2001052489A1 Channel estimation for time division duplex communication systems |
| 07/19/2001 | WO2001052450A2 Hybrid wireless optical and radio frequency communication link |
| 07/19/2001 | WO2001052448A1 Apparatus and method for assigning a supplemental channel in mobile communication system |
| 07/19/2001 | WO2001052442A1 Method and apparatus for equalization in transmit and receive levels in a broadband transceiver system |
| 07/19/2001 | WO2001052436A1 Dynamic frequency-hopping system |
| 07/19/2001 | WO2001052435A1 Spread spectrum receiver |
| 07/19/2001 | WO2001052431A1 An rf front-end with a multistage stepdown filtering architecture |