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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10/24/2001 | CN1319280A Method of, and receiver for, frequency acquisition in frequency hopping system |
10/24/2001 | CN1319279A Time offset technique for increasing capacity of CDMA system |
10/24/2001 | CN1319278A Method for receiving or sending message |
10/24/2001 | CN1319277A Isolator with built-in power amplifier |
10/24/2001 | CN1319266A Dual antenna and radio device provided therewith |
10/24/2001 | CN1319229A Portable information terminal, method of processing audio data, recording medium, and program |
10/24/2001 | CN1318959A Portable telephone set |
10/24/2001 | CN1318957A Receiver system and method using RF analog-digital conversion |
10/24/2001 | CN1318954A Impact-resistance electromagentic converter |
10/24/2001 | CN1318953A Pilot utilization in orthogonal frequency-division multiplex base spread spectrum multiple access system |
10/24/2001 | CN1318942A Subscriber interface of digital TV system |
10/24/2001 | CN1318923A Device and method of obtaiing communication quality |
10/24/2001 | CN1318922A Demodulating device and method for mobile communication |
10/24/2001 | CN1318921A Initial sync and small area search device of CDMA system based on multipath energy window |
10/24/2001 | CN1318920A Direct bandspread/comprehensive CDMA bandspread coherent receiver |
10/24/2001 | CN1318919A Partial Hadamard transform search for auxiliary wideband CDMA sync channel |
10/24/2001 | CN1318916A Base station recognition for use in spread spectrum multiple access system based on orthogonal frequency-division multiplex |
10/24/2001 | CN1318915A Digital signal receiving apparatus |
10/24/2001 | CN1318907A Portable communication apparatus with automatic operation holding system and operating method thereof |
10/24/2001 | CN1318818A 显示器件 Display Devices |
10/24/2001 | CN1073783C Communication system interconnecting telephone communication system and single-frequency simultaneous transmission/reception radio telephone system |
10/24/2001 | CN1073764C Receiver and method for generating spreading codes in receiver |
10/24/2001 | CN1073763C Radio communication equipment using single frequency and method thereof |
10/24/2001 | CN1073762C Automatic gain control apparatus |
10/23/2001 | USRE37420 Automobile on-board and/or portable telephone system |
10/23/2001 | US6308221 Selecting communication link between client and server |
10/23/2001 | US6308150 Dynamic bit allocation apparatus and method for audio coding |
10/23/2001 | US6308084 Mobile communications device with a camera |
10/23/2001 | US6308059 Ruggedized tradesworkers radio |
10/23/2001 | US6308057 Radio receiver having compensation for direct current offset |
10/23/2001 | US6308056 Double super tuner |
10/23/2001 | US6308055 Method and apparatus for operating a PLL for synthesizing high-frequency signals for wireless communications |
10/23/2001 | US6308053 Recyclable wireless telephone unit with a secured activation switch |
10/23/2001 | US6308052 Half-duplex radios for indicating signal transmissions |
10/23/2001 | US6308051 Antenna duplexer |
10/23/2001 | US6308050 Dual band mobile phone using the same intermediate frequency for both bands |
10/23/2001 | US6308048 Simplified reference frequency distribution in a mobile phone |
10/23/2001 | US6308047 Radio-frequency integrated circuit for a radio-frequency wireless transmitter-receiver with reduced influence by radio-frequency power leakage |
10/23/2001 | US6307897 Radio receiving apparatus for receiving communication signals of different bandwidths |
10/23/2001 | US6307896 Instrumentation receiver for digitally modulated radio frequency signals |
10/23/2001 | US6307889 Method for fast initialization of multicarrier system and point-to-multipoint transfer of multicarrier signal in digital subscriber line |
10/23/2001 | US6307879 Digital radio communication apparatus and method of controlling the same |
10/23/2001 | US6307878 Cellular telephony searcher |
10/23/2001 | US6307868 Apparatus and method for SCDMA digital data transmission using orthogonal codes and a head end modem with no tracking loops |
10/23/2001 | US6307850 CDMA radio transmission system |
10/23/2001 | US6307840 Mobile station assisted timing synchronization in CDMA communication system |
10/23/2001 | US6307600 Tuning with diode detector |
10/23/2001 | US6307599 Analog-digital broadcast shared receiving tuner |
10/23/2001 | US6307471 Radio based proximity token with multiple antennas |
10/23/2001 | US6307448 Frequency-variable-type filter, antenna duplexer, and communication apparatus |
10/23/2001 | US6307445 Impedance match of transmission lines having a connection arrangement for selecting impedance |
10/23/2001 | US6305588 Releasable coupling for a suspension stud on a wall of a mobile telephone |
10/23/2001 | US6305026 Cap with headphones assembly |
10/23/2001 | CA2288460C Distortion compensation circuit |
10/18/2001 | WO2001078452A2 Electronic audio or visual user interfaceable system and control arrangement therefor |
10/18/2001 | WO2001078443A2 Earset communication system |
10/18/2001 | WO2001078442A2 Earphones and microphone (personal speaking device) that do not transmit or emit microwave radiation or any other dangerous radiation |
10/18/2001 | WO2001078293A1 A method for coding in a telecommunications system |
10/18/2001 | WO2001078280A1 Multiplex communication system and method of signal processing |
10/18/2001 | WO2001078253A1 Method for signal processing used in terminal device of code division multiple access mobile communication system |
10/18/2001 | WO2001078252A1 Radio communication system and method of controlling downlink transmission power or bit rate |
10/18/2001 | WO2001078247A1 Multi-channel-bandwidth frequency-hopping system |
10/18/2001 | WO2001078243A1 Radiation-free cellular telephone system |
10/18/2001 | WO2001078242A2 Interference detection, identification, extraction and reporting |
10/18/2001 | WO2001076949A2 Method and device for producing data carriers equipped with an integrated transponder |
10/18/2001 | WO2001052430A8 Method for interference detection and cancellation in a tramsmission system |
10/18/2001 | WO2001022617A3 Power estimation method |
10/18/2001 | WO2001001594A8 Multistep rake combining method and apparatus |
10/18/2001 | US20010032279 Electronic device system, controlling device and controlling method |
10/18/2001 | US20010032027 Digital-signal receiving apparatus |
10/18/2001 | US20010031651 Portable telephone |
10/18/2001 | US20010031629 Superheterodyne receiver |
10/18/2001 | US20010031628 Integrated circuit device and commuunication apparatus using the same |
10/18/2001 | US20010031627 Multiband frequency generation using a single PLL-circuit |
10/18/2001 | US20010031622 Personal mobile communications device having multiple units |
10/18/2001 | US20010031065 Processing scanned security documents notwithstanding corruptions such as rotation |
10/18/2001 | US20010031048 Method and system for data communication |
10/18/2001 | US20010031023 Method and apparatus for generating pulses from phase shift keying analog waveforms |
10/18/2001 | US20010031010 Method and apparatus for the reflection and transmission of quasi orthogonal vectors |
10/18/2001 | US20010030997 Sliding matched filter with flexible hardware complexity |
10/18/2001 | US20010030996 Receiver and receiving method in spread spectrum communication system |
10/18/2001 | US20010030995 Method for acquisition of slot timing in a direct sequence spread spectrum communication receiver |
10/18/2001 | US20010030994 Acquisition method and apparatus for carrying out the method |
10/18/2001 | US20010030993 Method and apparatus for digital symbol detection using medium response estimates |
10/18/2001 | US20010030992 Despreading apparatus and method for CDMA signal |
10/18/2001 | US20010030991 Apparatus and method for measurement of communication quality in CDMA system |
10/18/2001 | US20010030990 Reverse link correlation filter in wireless communication systems |
10/18/2001 | US20010030988 Spread spectrum, frequency hopping transceiver with frequency discriminator quadrature filter |
10/18/2001 | US20010030973 Traffic lights in a code division multiple access (CDMA) modem |
10/18/2001 | US20010030947 Spread-spectrum changeable base station |
10/18/2001 | US20010030626 Retractable/extendable antenna for portable radio device |
10/18/2001 | US20010030620 Analogue frontend |
10/18/2001 | US20010030511 Display device |
10/18/2001 | DE10047613A1 Verfahren und System zum Betreiben eines tragbaren Telefons durch Spracherkennung A method and system for operating a portable telephone by speech recognition |
10/18/2001 | DE10019166A1 Wearable wristwatch type device comprising telephone, computer, controller, etc. combined in two modules on the wrist linked by a strap that incorporates power and data connections |
10/18/2001 | DE10017431A1 Verfahren und Vorrichtung zum Herstellen von Datenträgern mit integriertem Transponder Method and apparatus for producing data carriers with integrated transponder |
10/18/2001 | DE10013913A1 Method of determining the distance of a hand-operated module from a device-module, esp. for motor vehicle access system, involves generating first and second signals and evaluating the difference of the signal propagation delay times |
10/18/2001 | CA2444128A1 Earphones and microphone (personal speaking device) that do not transmit or emit microwave radiation or any other dangerous radiation |
10/18/2001 | CA2405189A1 Radiation-free cellular telephone system |
10/18/2001 | CA2339515A1 Pilot use in orthogonal frequency division multiplexing based spread spectrum multiple access systems |