| 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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| 04/20/1999 | US5896557 Set top terminal |
| 04/20/1999 | US5896444 Method and apparatus for managing communications between a client and a server in a network |
| 04/20/1999 | US5896424 Interference radio wave elimination device and interference radio wave elimination method |
| 04/20/1999 | US5896423 Spread spectrum signal receiver |
| 04/20/1999 | US5896420 Transmission apparatus having echo cancellation facility |
| 04/20/1999 | US5896416 Method and arrangement for transmitting voice in a radio system |
| 04/20/1999 | US5896413 Apparatus for and method of transmitting data |
| 04/20/1999 | US5896412 Wireless communication system |
| 04/20/1999 | US5896374 Variable rate transmission method, transmitter and receiver using the same |
| 04/20/1999 | US5896370 Signal protection and monitoring system |
| 04/20/1999 | US5896368 Multi-code compressed mode DS-CDMA systems and methods |
| 04/20/1999 | US5896306 Group delay correction method and apparatus |
| 04/20/1999 | US5896304 Low power parallel correlator for measuring correlation between digital signal segments |
| 04/20/1999 | US5896277 Slidable cover for a battery housing |
| 04/20/1999 | US5896261 Power down protection circuit for an electronic device |
| 04/20/1999 | US5896183 TV or radio broadcast transmission line amplifier with switch bypass controlled at the receiver side |
| 04/20/1999 | US5896061 Homodyne receiver and process for correcting the converted received signal |
| 04/20/1999 | US5895431 Communication system used to assist deliveries of goods or services |
| 04/20/1999 | US5895235 Process for manufacturing transponders of small dimensions |
| 04/20/1999 | CA2160750C Method and apparatus for increasing amplifier efficiency |
| 04/20/1999 | CA2141316C Method and apparatus for reducing an undesirable characteristic of a spectral estimate of a noise signal between occurrences of voice signals |
| 04/20/1999 | CA2073397C Power supply switching circuit for a compact portable telephone set |
| 04/15/1999 | WO1999018686A1 Coding and modulating system |
| 04/15/1999 | WO1999018682A2 Combined interference cancellation and maximum likelihood decoding of space-time block codes |
| 04/15/1999 | WO1999018673A1 Method and device for limiting a stream of audio data with a scaleable bit rate |
| 04/15/1999 | WO1999018646A1 Modulation compensated clamp circuit |
| 04/15/1999 | WO1999008344A3 Electrical device |
| 04/15/1999 | WO1999005861A3 Reception of modulated carriers having asymmetrical sidebands |
| 04/15/1999 | WO1998035495A8 Multichannel television sound stereo and surround sound encoder |
| 04/15/1999 | CA2272619A1 Modulation compensated clamp circuit |
| 04/14/1999 | EP0909095A1 Reprogrammable terminal for suggesting programs offered on a television program delivery system |
| 04/14/1999 | EP0909052A2 Method for the transfer of a digital datasignal by spread spectrum |
| 04/14/1999 | EP0909039A2 Spread spectrum method for digital data transfer |
| 04/14/1999 | EP0909019A2 Television tuner system |
| 04/14/1999 | EP0908840A2 An improved integrated circuit transponder and a method of communication therefor |
| 04/14/1999 | EP0908822A2 Control circiut for a microcontroller |
| 04/14/1999 | EP0908036A1 Cdma communication system which selectively suppresses data transmissions during establishment of a communication channel |
| 04/14/1999 | EP0908027A2 Improvements in or relating to a method and apparatus for using duality and also a system for communicating digital information |
| 04/14/1999 | EP0908024A1 Packet-switched spread-spectrum system |
| 04/14/1999 | EP0908021A2 A method of controlling initial power ramp-up in cdma systems by using short codes |
| 04/14/1999 | EP0908018A2 System and method for adaptive interference cancelling |
| 04/14/1999 | EP0908010A1 Program selection system for a digital television receiver |
| 04/14/1999 | EP0908008A1 Efficient multichannel filtering for cdma modems |
| 04/14/1999 | EP0907991A2 Radio frequency switch assembly |
| 04/14/1999 | EP0907982A2 Integrated filter |
| 04/14/1999 | EP0907921A1 Parallel packetized intermodule arbitrated high speed control and data bus |
| 04/14/1999 | EP0873614A4 Post-compression hidden data transport |
| 04/14/1999 | CN2314517Y Door intercom |
| 04/14/1999 | CN2314477Y Mobile telephone battery with lighting function |
| 04/14/1999 | CN1214163A Time-duplex wireless telephone with improved hearing-aid compatiblity |
| 04/14/1999 | CN1214162A Improvements relating to mobile phones |
| 04/14/1999 | CN1214161A Docking and electrical interface for personal use communication devices |
| 04/14/1999 | CN1214160A Antenna system for dual mode satellite/cellular portable phone |
| 04/14/1999 | CN1214159A Dual antenna arrangement for portable transceiver |
| 04/14/1999 | CN1214151A Antenna for frequences in excess of 200 MHZ |
| 04/14/1999 | CN1213945A Base radio station research device |
| 04/14/1999 | CN1213940A Method of controlling power supplied to RF receiver and paging receiver employing the same |
| 04/14/1999 | CN1213920A Method and circuit arrangement for correction of phase and/or frequency errors in digital multicarrier signals |
| 04/14/1999 | CN1213913A Method and apparatus for superimposing and detecting additional information signal |
| 04/14/1999 | CN1213912A Rake receiver and spread spectrum radio telecommunication apparatus having the rake receiver |
| 04/14/1999 | CN1213911A Selection of traffic capable station by RDS radio while listening to other media |
| 04/14/1999 | CN1213909A Method of calibrating receive and/or transmit systems driving array of active antennas, and corresponding mobile station |
| 04/14/1999 | CN1213905A Spectrum spread telecommunication apparatus |
| 04/14/1999 | CN1213904A Transceiver |
| 04/14/1999 | CN1213895A Piezoelectric resonator, method for adjusting frequency of piezoelectric resonator and communication apparatus |
| 04/14/1999 | CN1213894A Piezoelectric resonator, method for adjusting frequency of piezoelectric resonator and communication apparatus |
| 04/14/1999 | CN1213890A Electronic component, ladder filter and communication apparatus |
| 04/14/1999 | CN1042997C Portable electronic appts. having partial display function |
| 04/13/1999 | US5894598 Radio communication system using portable mobile terminal |
| 04/13/1999 | US5894597 Communication device for different sized cards |
| 04/13/1999 | US5894592 Wideband frequency synthesizer for direct conversion transceiver |
| 04/13/1999 | US5894500 Method and apparatus for canceling signals in a spread-spectrum communication system |
| 04/13/1999 | US5894499 Direct conversion receiver having filter with cut-off frequency switching means |
| 04/13/1999 | US5894494 Parallel correlator architecture for synchronizing direct sequence spread-spectrum signals |
| 04/13/1999 | US5894473 Multiple access communications system and method using code and time division |
| 04/13/1999 | US5894289 Portable communication device |
| 04/13/1999 | US5894278 Shield plate, electronic appliance equipped with shield plate, remote control system for electronic appliance, and shielding apparatus |
| 04/13/1999 | US5894249 Digital and analog modulator in a simplified circuit structure |
| 04/13/1999 | CA2134008C Array antenna and production process therefor |
| 04/13/1999 | CA2130663C Apparatus and method for reducing power consumption in a mobile communications receiver |
| 04/13/1999 | CA2107816C Device for estimating a transmission channel |
| 04/08/1999 | WO1999017514A1 Menu system for a radiotransmission apparatus |
| 04/08/1999 | WO1999017481A1 Method and apparatus for correcting a measured round-trip delay time in a wireless communication system |
| 04/08/1999 | WO1999017475A1 Method for acquiring an alternate communication system |
| 04/08/1999 | WO1999017461A2 Transmitting and receiving method and station for data transmission without interference using chirped frequency modulated signal |
| 04/08/1999 | WO1999017460A1 Receiving antenna device |
| 04/08/1999 | WO1999017445A1 A dual-band, dual-mode power amplifier |
| 04/08/1999 | WO1999017444A1 Multi-layer carrier module for power amplifier |
| 04/08/1999 | WO1999017399A1 Single feed point matching systems |
| 04/08/1999 | WO1999007077A3 Means and method for a synchronous network communications system |
| 04/08/1999 | WO1999006777A8 Cryogenic filters |
| 04/08/1999 | WO1999005797A3 Communication system and method with orthogonal block encoding |
| 04/08/1999 | WO1998054844A8 Centralized channel selection in a distributed rf antenna system |
| 04/08/1999 | DE19842676A1 Fee information administration apparatus for digital portable cordless telephone |
| 04/08/1999 | DE19743662A1 Bit rate scalable audio data stream generation method |
| 04/08/1999 | DE19742405A1 Dual-Mode-Mobiltelefon Dual-mode mobile phone |
| 04/08/1999 | CA2304649A1 Method and apparatus for correcting a measured round-trip delay time in a wireless communication system |
| 04/08/1999 | CA2248408A1 A time-division radio that is powered by a low-power energy source |
| 04/07/1999 | EP0907297A1 Communications system, network, portable device and method |
| 04/07/1999 | EP0907278A2 Mobile radio telephone |