| 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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| 03/31/2004 | EP0847629B1 Digitally programmable multifunction radio system architecture |
| 03/31/2004 | EP0820663B1 7-channel transmission, compatible with 5-channel transmission and 2-channel transmission |
| 03/31/2004 | EP0820661B1 Tv/fm receiver for multimedia applications |
| 03/31/2004 | EP0668673B1 Code division multiplex transmitter/receiver |
| 03/31/2004 | CN2609307Y Handset with heart rate monitoring function |
| 03/31/2004 | CN2609283Y 无线通讯电路结构 Wireless communication circuit configuration |
| 03/31/2004 | CN2609050Y Receiver capable of receiving radio signal of computer peripheral device |
| 03/31/2004 | CN1486577A Encoding and decoding ultra-wideband information |
| 03/31/2004 | CN1486554A Method and apparatus for improved detection of rate errors in variable rate receivers |
| 03/31/2004 | CN1486553A Non-linear code-division multiple access technology with improved detection algorithms and error correction coding |
| 03/31/2004 | CN1486545A System and method for implementing a constellation of non-geostationary satellites that does not interfere with the geostationary satellite ring |
| 03/31/2004 | CN1486544A Radio equipment, its signal receiving method, its filter coefficient measuring method and filter coefficient measurement program thereof |
| 03/31/2004 | CN1486542A Method for avoiding interferences in cellular CDMA radio networks caused by defective mobile stations |
| 03/31/2004 | CN1486539A Multiple transceiver amplification apparatus method and system |
| 03/31/2004 | CN1486538A Multiband radio signal transmitter/receiver |
| 03/31/2004 | CN1486522A Direction-agile antenna system for wireless communications |
| 03/31/2004 | CN1486450A Housing for an emergency call transmitter |
| 03/31/2004 | CN1486256A Method of and apparatus for acquiring data of dynamic physical processes via a radio link |
| 03/31/2004 | CN1486129A Electronic apparatus |
| 03/31/2004 | CN1486107A Control and processing method for access probing |
| 03/31/2004 | CN1486076A Method for dynamic control of voice bandwidth |
| 03/31/2004 | CN1486073A Mobile terminal with camera |
| 03/31/2004 | CN1486057A 便携终端设备 Portable terminal device |
| 03/31/2004 | CN1486056A Folding electronic apparatus |
| 03/31/2004 | CN1486055A Metal dome sheet in mobile communication terminal and keypad thereof |
| 03/31/2004 | CN1486023A Method for serially implementing data backup of multiple device |
| 03/31/2004 | CN1486004A Universal frequency correcting method |
| 03/31/2004 | CN1485993A High capacity storage carrier for wireless communication |
| 03/31/2004 | CN1485990A Zero intermediate frequency receiver without D.C. floating voltage |
| 03/31/2004 | CN1485981A Variable gain amplifier for use in communications |
| 03/31/2004 | CN1485754A Recrudescer having wireless transmission function |
| 03/31/2004 | CN1144495C Base station device and method for preventing degradation of circuit quality |
| 03/31/2004 | CN1144490C CDMA radio transmitter and receiver |
| 03/31/2004 | CN1144488C Transmit-receive base station of digit mobile communication system |
| 03/31/2004 | CN1144486C Apparatus for generating periodic beacon signals for use in CDMA base station |
| 03/31/2004 | CN1144481C Adaptive digital radio communication system |
| 03/31/2004 | CN1144436C Quasi-orthogonal code mask generating device in mobile communication system |
| 03/31/2004 | CN1144431C Carrier changer and changing method |
| 03/31/2004 | CN1144407C Signal receiving apparatus of CDMA communication system |
| 03/31/2004 | CN1144406C CDMA mobile communication system and its random access control method and base station |
| 03/31/2004 | CN1144405C CDMA receiver, CDMA transmitter/receiver, and CDMA receiving method |
| 03/31/2004 | CN1144404C Transmitting/receiving device and its modulation method and estimation method |
| 03/31/2004 | CN1144400C Post-compression hidden data transport for video |
| 03/31/2004 | CN1144386C Code tracking system and method of band-spread communication system |
| 03/31/2004 | CN1144385C Apparatus and method of implementing universal home network on customer premises ISDN bus |
| 03/31/2004 | CN1144383C Radio receiving system |
| 03/31/2004 | CN1144382C Method for selecting modulation detector in receiver and receiver thereof |
| 03/31/2004 | CN1144381C Receiver capable of selecting optimal voltage controlled oscillator |
| 03/31/2004 | CN1144379C Radio frequency coupling device used for multi-frequency band radio communication device |
| 03/31/2004 | CN1144377C Channel encoding device |
| 03/31/2004 | CN1144316C Dielectric filter, T-R duplexer and communication machine |
| 03/31/2004 | CN1144315C Medium wave filter, receiving-sending shared device and communication apparatus |
| 03/31/2004 | CN1144180C Method and apparatus for preforming reducer rate variable rate vocoding |
| 03/31/2004 | CN1144179C Information decorder and decoding method, information encoder and encoding method and distribution medium |
| 03/31/2004 | CN1144178C Audio signal encoder, audio signal decoder, and method for encoding and decoding audio signal |
| 03/30/2004 | USRE38476 Signal processing apparatus |
| 03/30/2004 | US6714983 Modular, portable data processing terminal for use in a communication network |
| 03/30/2004 | US6714800 Cellular telephone system with free space millimeter wave trunk line |
| 03/30/2004 | US6714796 Mobile communication terminal device |
| 03/30/2004 | US6714775 Interference canceller |
| 03/30/2004 | US6714773 Antenna switching in multiple radio terminal |
| 03/30/2004 | US6714772 Wireless communication system |
| 03/30/2004 | US6714771 Broadcast radio signal seek circuit |
| 03/30/2004 | US6714770 Method and apparatus for prevention of the concurrence of modes condition during operation of electronic device |
| 03/30/2004 | US6714765 Transceiver for transmitting and receiving an RF signal on at least two frequency ranges |
| 03/30/2004 | US6714760 Multi-mode satellite and terrestrial communication device |
| 03/30/2004 | US6714651 FM stereo signal demoudulating apparatus and method |
| 03/30/2004 | US6714609 Co-channel interference in a receiver |
| 03/30/2004 | US6714604 Receiver |
| 03/30/2004 | US6714602 Demodulator and receiver |
| 03/30/2004 | US6714600 Receiver |
| 03/30/2004 | US6714599 Method and apparatus for efficient processing of signal in a communication system |
| 03/30/2004 | US6714598 Burst-mode combining of reverse path radio frequency signals |
| 03/30/2004 | US6714586 Sliding matched filter with flexible hardware complexity |
| 03/30/2004 | US6714585 Rake combining methods and apparatus using weighting factors derived from knowledge of spreading spectrum signal characteristics |
| 03/30/2004 | US6714584 CDMA adaptive antenna receiving apparatus and communication system |
| 03/30/2004 | US6714583 Matched-filter obtained side information for spread-spectrum data detection |
| 03/30/2004 | US6714582 Code division multiple access communication system and code division multiple access transmitting apparatus |
| 03/30/2004 | US6714528 Device and method for diversity combining signals on common channel in CDMA communication system |
| 03/30/2004 | US6714527 Multiuser detector for variable spreading factors |
| 03/30/2004 | US6714526 Method and apparatus for code assignment in a spread spectrum wireless communication system |
| 03/30/2004 | US6714520 System, apparatus method for multi-carrier transmission |
| 03/30/2004 | US6714263 Multiple conversion tuner |
| 03/30/2004 | US6714261 CATV tuner for high speed data communication utilizing a different frequency band |
| 03/30/2004 | US6714233 Mobile video telephone system |
| 03/30/2004 | US6714169 Compact, wide-band, integrated active module for radar and communication systems |
| 03/30/2004 | US6714166 Converter for satellite broadcast reception that secures isolation between vertically polarized waves and horizontally polarized waves |
| 03/30/2004 | US6714158 Method and system for data detection in a global positioning system satellite receiver |
| 03/30/2004 | US6714099 Radio frequency filter, radio frequency circuit, antenna duplexer and radio terminal |
| 03/30/2004 | US6714098 SAW antenna duplexer having a phase shifter with less than 50 ohm characteristic impedance |
| 03/30/2004 | US6714093 Dynamics compressor for an analog signal to be compressed |
| 03/30/2004 | CA2401351C Method and apparatus for minimizing a probability of self-interference among neighboring wireless networks |
| 03/30/2004 | CA2337759C Channel assignment method for a base station in a mobile communication system |
| 03/30/2004 | CA2324770C Fixed pattern detection apparatus |
| 03/30/2004 | CA2296460C Dual mode mobile phone operating as a two-way radio |
| 03/30/2004 | CA2276431C Beeper holder |
| 03/30/2004 | CA2239889C Decoder for a trellis encoded signal corrupted by ntsc co-channel interference and white noise |
| 03/25/2004 | WO2004025973A1 Method and system for adjusting downlink outer loop power to control target sir |
| 03/25/2004 | WO2004025961A1 Method for acquiring data describing audio-visual contents, system, broadcast server, description server, and reception terminal therefor |
| 03/25/2004 | WO2004025928A2 Cordless wireless local loop phone |