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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01/11/1995 | EP0632947A1 Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization |
01/11/1995 | EP0632944A1 Process for transmitting or storing digitalized, multi-channel audio signals |
01/11/1995 | EP0632943A1 Method of eliminating repetitive interfering signals |
01/11/1995 | CN2187356Y Wire-wireless-wire adapter |
01/10/1995 | US5381473 Noise cancellation apparatus |
01/10/1995 | US5381460 Monitor mode in a portable telephone |
01/10/1995 | US5381447 Code division multiple access messaging system for providing seed information based on times of inbound messages |
01/10/1995 | US5381446 Digital implementation of spread spectrum communications system |
01/10/1995 | US5381387 Sound port for a wrist telephone |
01/10/1995 | US5381346 Virtual data source for a radio transceiver |
01/10/1995 | US5381181 Clock recovery apparatus as for a compressed video signal |
01/10/1995 | US5381110 Spurious frequency suppressor |
01/10/1995 | CA1333937C Component audio/video system with timed control of plural peripheral devices |
01/10/1995 | CA1333922C Phase controlled demodulation system for digital communication |
01/09/1995 | CA2122170A1 Combination parallel/serial execution of sequential algorithm for data compression/decompression |
01/06/1995 | CA2126947A1 Cellular radio system with hopping |
01/05/1995 | WO1995001032A1 Method and apparatus for determining the data rate of a received signal |
01/05/1995 | WO1995001020A1 Virtual carrier detection for wireless local area network with distributed control |
01/05/1995 | WO1995001016A1 Method for selectively receiving spread spectrum signal on chip basis |
01/05/1995 | WO1995001011A1 Method and apparatus for testing telecommunications equipment using a reduced redundancy test signal |
01/05/1995 | WO1995001009A1 A method for a transmitter to compensate for varying loading without an isolator |
01/05/1995 | WO1995001006A1 Apparatus and method for frequency translation in a communication device |
01/05/1995 | CA2142188A1 Chip-based selective receiving system for a spread spectrum signal |
01/05/1995 | CA2140437A1 Apparatus and method for frequency translation in a communication device |
01/04/1995 | EP0632603A1 Antenna apparatus having individual transmitting and receiving antenna elements for different frequencies |
01/04/1995 | EP0632600A2 Radio receiver circuit |
01/04/1995 | EP0632585A1 System for the bias control of an amplifier |
01/04/1995 | EP0632577A1 Multi-stage digital RF translator |
01/04/1995 | EP0632420A2 Moving body discriminator |
01/04/1995 | EP0632368A1 A radio card to be associated with a computer |
01/04/1995 | EP0631493A1 Bone fixation system |
01/04/1995 | CN1027335C Signal weighting system for digital receiver |
01/03/1995 | US5379456 Multiplying saw phase shift envelope detector |
01/03/1995 | US5379453 Remote control system |
01/03/1995 | US5379449 Automotive radio employing multipath correction strategy based on vehicle speed |
01/03/1995 | US5379445 For controlling the size of a null zone in a drive signal for amplifier |
01/03/1995 | US5379320 Hitless ultra small aperture terminal satellite communication network |
01/03/1995 | US5379279 Communication device with time assigned duplex operation |
01/03/1995 | US5379047 Remote position determination system |
01/03/1995 | US5379046 Interference wave canceller |
01/03/1995 | US5379011 Surface mount ceramic filter duplexer having reduced input/output coupling and adjustable high-side transmission zeroes |
01/03/1995 | US5378996 RF power amplifier control |
01/03/1995 | US5378935 Clock frequency adjustment of an electrical circuit |
01/03/1995 | CA2022605C Portable radio transceiver system having improved adaptor and/or improved receive signal control arrangement |
12/31/1994 | CA2126919A1 System for controlling the bias voltage applied to an amplifier |
12/28/1994 | EP0631422A2 A modem with received signals and transmitted signals comprising signal sets |
12/28/1994 | EP0631409A2 Multipoint to point radiocommunications network |
12/28/1994 | EP0631400A1 Portable transmitting and receiving device for two-mode digital signals |
12/28/1994 | EP0631381A1 Transmitter chain for a digital radio telephone |
12/28/1994 | EP0631380A1 Sequential amplifier |
12/28/1994 | EP0631259A2 Remote object identification system |
12/28/1994 | EP0631226A1 Apparatus and method for ultrasonic communication |
12/28/1994 | EP0630538A1 Binary phase shift keying modulation system or frequency multiplier |
12/28/1994 | EP0447495B1 Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio |
12/28/1994 | CN1027208C Offset down conversion for a two-handset cordless telephone system |
12/28/1994 | CN1027207C Biasing networks for balanced mixers |
12/27/1994 | US5377272 Switched signal processing circuit |
12/27/1994 | US5377232 Frequency synchronized bidirectional radio system |
12/27/1994 | US5377227 Adaptive data recovery for spread spectrum systems |
12/27/1994 | US5377226 Fractionally-spaced equalizer for a DS-CDMA system |
12/27/1994 | US5377225 Multiple-access noise rejection filter for a DS-CDMA system |
12/27/1994 | US5377223 Notch filtering a spread spectrum signal using fourier series coefficients |
12/27/1994 | US5377222 Frequency agile radio |
12/27/1994 | US5377221 Communications system |
12/27/1994 | US5376941 Antenna direction adjusting method and apparatus for satellite broadcasting receiving system |
12/27/1994 | US5376895 Control circuit and method for transmission output |
12/27/1994 | CA2045881C Direct sequence spread spectrum digital transmission method using sequence changes during the transmission and transmitter and receiver implementing said method |
12/27/1994 | CA2004555C Superconductive electromagnetic wave mixer and superconductive electromagnetic wave mixing apparatus employing the same |
12/27/1994 | CA2002015C Perceptual coding of audio signals |
12/26/1994 | CA2126657A1 Dual mode portable digital signal transmit/receive device |
12/22/1994 | WO1994030028A1 Multi protocol personal communications system |
12/22/1994 | WO1994030025A1 Base station receiver equipment |
12/22/1994 | WO1994029980A1 Cdma transmission system |
12/22/1994 | WO1994029977A1 Digital broadcast system |
12/22/1994 | WO1994029975A1 Fading simulator |
12/22/1994 | WO1994029971A1 Signaling packet for communication system with modulated reference according to a time-base law |
12/22/1994 | WO1994029970A1 A data transmission method and a cdma/fdma radio system |
12/22/1994 | WO1994029968A1 Pcmcia cellular card adaptable to a portable computer or a cellular phone handset |
12/22/1994 | WO1994029967A1 An adaptive system for broadband multisignal discrimination in a channel with reverberation |
12/22/1994 | WO1994029966A1 Radiotelephone apparatus including a wireless headset |
12/22/1994 | WO1994029953A1 Temperature compensated variable gain amplifier |
12/22/1994 | WO1994029851A1 Transmission error concealment |
12/22/1994 | WO1994029850A1 Lost frame concealment |
12/22/1994 | WO1994029849A1 Rejected frame concealment |
12/22/1994 | DE4320012A1 Electronic time switch (clock timer) |
12/22/1994 | DE4319961A1 Telecommunications device |
12/22/1994 | CA2165424A1 Multiple protocol personal communications network system |
12/22/1994 | CA2164433A1 Signaling for communication system whith modulated reference according to a time-base low |
12/22/1994 | CA2164409A1 Fading simulator |
12/22/1994 | CA2140365A1 Transmission error concealment |
12/22/1994 | CA2140364A1 Rejected frame concealment |
12/22/1994 | CA2140363A1 Lost frame concealment |
12/21/1994 | EP0630120A1 Synchronisation method for radio telephone communications with code division multiplex access |
12/21/1994 | EP0630118A1 Radio local area network |
12/21/1994 | EP0630106A1 Automatic gain control apparatus |
12/21/1994 | EP0629326A1 Housing assembly for a wireless communication device |
12/21/1994 | EP0629325A1 Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a cdma cellular communications system |
12/21/1994 | EP0629324A1 Apparatus and method for reducing power consumption in a mobile communications receiver |
12/21/1994 | EP0629322A1 Adjacent channel controller for radio receiver. |
12/21/1994 | CN2185956Y Universal grip slipper for fixed transceiver body |