| 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) |
|---|
| 02/03/1998 | US5715523 Access control for a fixed cellular terminal using a secondary power source |
| 02/03/1998 | US5715522 Booster arrangement for a portable telephone |
| 02/03/1998 | US5715521 Method of controlling synchronization signal power in a communication system |
| 02/03/1998 | US5715520 Frequency offset method and apparatus for use in a transceiver |
| 02/03/1998 | US5715312 Concealment method and arrangement and reproducing apparatus provided with the concealment arrangement |
| 02/03/1998 | US5715311 Communication terminal apparatus |
| 02/03/1998 | US5715282 Method and apparatus for detecting interference in a receiver for use in a wireless communication system |
| 02/03/1998 | US5715279 Method for estimating a channel, and a receiver |
| 02/03/1998 | US5715278 Standby power saving in mobile phones |
| 02/03/1998 | US5715276 Symbol-matched filter having a low silicon and power requirement |
| 02/03/1998 | US5715275 Spectrum communication method and apparatus for delaying read sequence series |
| 02/03/1998 | US5715236 System and method for generating signal waveforms in a CDMA cellular telephone system |
| 02/03/1998 | US5715235 Communication system capable of performing FDMA transmission |
| 02/03/1998 | US5715020 Remote control system in which a plurality of remote control units are managed by a single remote control device |
| 02/03/1998 | US5715012 Radio receivers for receiving both VSB and QAM digital HDTV signals |
| 02/03/1998 | US5714946 Apparatus for communicating with a machine when the machine ignition is turned off |
| 02/03/1998 | US5714916 Modulator |
| 02/03/1998 | US5713466 Water-resistant portable receiver case |
| 02/03/1998 | CA2044166C Digital receiver for spread-spectrum signals |
| 01/29/1998 | WO1998004075A1 Communication equipment and communication system |
| 01/29/1998 | WO1998004053A2 Base station with antenna, including an amplifier, located at a distance from the station |
| 01/29/1998 | WO1998004051A1 Device for wireless communication with a mobile telephone |
| 01/29/1998 | WO1998004050A1 Compensation for second order intermodulation in a homodyne receiver |
| 01/29/1998 | WO1998004049A2 Dual transmitter arrangement with back-up switching |
| 01/29/1998 | DE19732157A1 Mehrfachfrequenzsender Multiple frequency channels |
| 01/29/1998 | CA2232615A1 Dual transmitter arrangement with back-up switching |
| 01/28/1998 | EP0821544A2 Device for sliding switching of a demodulator from stereophonic to monaural and vice versa |
| 01/28/1998 | EP0821530A2 System for reproducing audio and/or video signals and for controlling electronic devices in several rooms within an appartment or a house |
| 01/28/1998 | EP0821495A2 Method and apparatus for receiving CDMA radio communication signals |
| 01/28/1998 | EP0821494A2 Audio signal processor |
| 01/28/1998 | EP0821480A2 Device for modification of the cut-off frequency of a lowpass filter |
| 01/28/1998 | EP0821431A2 Device for generating and emitting microwaves, especially for a filling level measuring device |
| 01/28/1998 | EP0821428A2 Portable radio communication apparatus |
| 01/28/1998 | EP0820686A1 Compact transponder and method for making same |
| 01/28/1998 | EP0820679A1 Transmission of voice-frequency signals in a mobile telephone system |
| 01/28/1998 | EP0820665A1 Analog spread spectrum wireless speaker system |
| 01/28/1998 | EP0820664A1 N-channel transmission, compatible with 2-channel transmission and 1-channel transmission |
| 01/28/1998 | EP0820663A1 7-channel transmission, compatible with 5-channel transmission and 2-channel transmission |
| 01/28/1998 | EP0820662A1 Tv/fm receiver for multimedia applications |
| 01/28/1998 | EP0820661A2 Tv/fm receiver for multimedia applications |
| 01/28/1998 | EP0820660A1 Method of emergency cooling of an equipment room in which existing cooling equipment is out of service |
| 01/28/1998 | EP0820624A1 System for compression and decompression of audio signals for digital transmission |
| 01/28/1998 | EP0820553A2 Advanced embedded code hopping system |
| 01/28/1998 | CN1171872A Process for transmitting messages from secondary control system to primary control system |
| 01/28/1998 | CN1171871A Portable handset for TDD/FDD wireless communication |
| 01/28/1998 | CN1171711A Base station for mobile communication |
| 01/28/1998 | CN1171708A Digital mobile telephone |
| 01/28/1998 | CN1171707A Output control unit of mobile communication system and its controlling method |
| 01/28/1998 | CN1171676A Direct sequence code division multiple access transmission method |
| 01/28/1998 | CN1171675A CDMA communication method and group spreading modulator |
| 01/28/1998 | CN1171672A Receiving method and receiving apparatus |
| 01/28/1998 | CN1171667A Transmitter-receiver |
| 01/28/1998 | CN1171665A Signal processing circuit |
| 01/28/1998 | CN1171664A Signal processing apparatus and method for reducing effects of interference and noise in wireless communications utilizing antenna array |
| 01/28/1998 | CN1171663A Control of transmission power in wireless packet data transfer |
| 01/28/1998 | CN1171662A Transmitter capable of preventing interruption on occurrence of fault |
| 01/28/1998 | CN1171656A Antenna matching circuit switching system in TDMA portable telephone |
| 01/28/1998 | CN1171653A Frequency synthesizer |
| 01/27/1998 | US5712955 Method and apparatus for encoding digital signal, method and apparatus for decoding digital signal, and recording medium for encoded signals |
| 01/27/1998 | US5712920 Method for the compatible transmission and/or storage and decoding of an auxiliary signal |
| 01/27/1998 | US5712876 Radio station apparatus and signal transmission method thereof |
| 01/27/1998 | US5712871 Method and apparatus for implementing a direct-sequence code division multiple access communication system with an M-ary pulse-position modulated spreading-sequence signal |
| 01/27/1998 | US5712869 Data transmitter and receiver of a spread spectrum communication system using a pilot channel |
| 01/27/1998 | US5712867 Two-way paging apparatus having highly accurate frequency hopping synchronization |
| 01/27/1998 | US5712866 Small low powered digital transmitter for covert remote surveillance |
| 01/27/1998 | US5712834 Control apparatus for data reproduction and recording devices |
| 01/27/1998 | US5712738 Method of controlling signal lines among audio and/or video apparatus |
| 01/27/1998 | US5712638 Multiple transmission channel group transmitter |
| 01/27/1998 | US5712637 Slope, drift and offset compensation in zero-IF receivers |
| 01/27/1998 | US5712628 Digitally programmable radio modules for transponder systems |
| 01/27/1998 | US5712603 Multipole multiposition microwave switch with a common redundancy |
| 01/27/1998 | US5712596 Tunable crystal oscillator with harmonic output |
| 01/27/1998 | US5711497 For use on board a railway vehicle |
| 01/27/1998 | US5711469 Portable phone pouch, mounting and usage system |
| 01/27/1998 | US5711246 System for identifying livestock and other individuals |
| 01/23/1998 | CA2181757A1 Hearing aid compatible wireless handsets |
| 01/22/1998 | WO1998003037A1 Coding and decoding of audio signals by using intensity stereo and prediction processes |
| 01/22/1998 | WO1998003012A1 Methods and systems for providing information to a television using a personal computer |
| 01/22/1998 | WO1998002984A2 Low power signal processing for spread spectrum receivers |
| 01/22/1998 | WO1998002983A1 Low delay noise reduction filter |
| 01/22/1998 | WO1998002975A1 Method for efficient sampling in a correlator |
| 01/22/1998 | WO1998002974A1 Parallel correlator for a spread spectrum receiver |
| 01/22/1998 | WO1998002973A1 Pre-acquisition frequency offset removal in a gps receiver |
| 01/22/1998 | WO1998002972A1 Method for doppler-replica harmonic avoidance in a gps receiver |
| 01/22/1998 | WO1998002971A1 A method of coding and decoding audio signals |
| 01/22/1998 | WO1998002970A1 Coplanar mixer assembly |
| 01/22/1998 | WO1998002969A2 Method and apparatus for improving effective signal to noise ratios in hearing aids |
| 01/22/1998 | WO1998002967A2 A delay estimation method and a receiver |
| 01/22/1998 | WO1998002860A1 Transmitter-receiver pair |
| 01/22/1998 | WO1998002830A1 Low power parallel correlator for measuring correlation between digital signal segments |
| 01/22/1998 | WO1998002759A1 Gps receiver with efficient signal acquisition |
| 01/22/1998 | WO1998002758A1 Power efficient receiver |
| 01/22/1998 | WO1997045963A3 A receiver, a demodulator, and a demodulation method |
| 01/22/1998 | DE19644394A1 Receiver with amplifier especially for vehicle locking system |
| 01/22/1998 | DE19629408A1 Vorrichtung zur drahtlosen Kommunikation mit einem Mobiltelefon An apparatus for wireless communication with a mobile telephone |
| 01/22/1998 | CA2259935A1 Methods and systems for providing information to a television using a personal computer |
| 01/22/1998 | CA2231779A1 Coplanar mixer assembly |
| 01/21/1998 | EP0820178A2 Contactless smartcard for use in cellular telephone |
| 01/21/1998 | EP0820157A2 Method for digital differential demodulation |
| 01/21/1998 | EP0820156A2 Reception timing detection circuit of CDMA receiver and detection method |