| 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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| 01/23/1997 | WO1997002652A2 Tunable crystal oscillator with harmonic output |
| 01/23/1997 | WO1997002561A1 A method to evaluate the hangover period in a speech decoder in discontinuous transmission, and a speech encoder and a transceiver |
| 01/23/1997 | WO1997002550A2 System for communicating between a dynamic group of apparatuses |
| 01/23/1997 | WO1996038970A3 Portable computer and telecommunications equipment |
| 01/23/1997 | DE19526638A1 Mobile telephone rod-aerial system |
| 01/23/1997 | DE19526602A1 Mounting element for communication device, such as telephone, on car radio |
| 01/23/1997 | DE19526447A1 Einrichtung zur Synchronisierung des Blockzählers in einem RDS-Empfänger Means for synchronizing the block counter in an RDS receiver |
| 01/23/1997 | CA2848679A1 Noise level estimation |
| 01/23/1997 | CA2645140A1 Noise level estimation |
| 01/23/1997 | CA2225783A1 A data access arrangement having improved transmit-receive separation |
| 01/22/1997 | EP0755141A2 Adaptive decision feedback equalization for communication systems |
| 01/22/1997 | EP0755133A2 Method and apparatus for RSSI measurement in a digital radio system |
| 01/22/1997 | EP0755127A2 CDMA diversity transmission system |
| 01/22/1997 | EP0755126A2 Portable communication terminal capable of transmitting text data |
| 01/22/1997 | EP0755125A2 Method for the reduction of secondary receiving positions in homodyne receivers with time variable carrier frequency |
| 01/22/1997 | EP0755124A2 Procedure for increasing the sensitivity of a homodyn receiver |
| 01/22/1997 | EP0755114A1 Semiconductor device comprising a power amplifier and mobile telecommunication terminal apparatus including such a semiconductor device |
| 01/22/1997 | EP0754377A1 A method and system for digital audio information broadcasting comprising data compression, encryption and speech synthesizing |
| 01/22/1997 | EP0754320A1 Circuit arrangement comprising a permutation unit and method of processing a batch of items |
| 01/22/1997 | EP0691048B1 Digital filter |
| 01/22/1997 | EP0548221B1 Radio telephone system supporting busy and out-of-range functions |
| 01/22/1997 | EP0479969B1 Fractional-division synthesizer for a voice/data communications system |
| 01/22/1997 | CN1141102A Method and apparatus for mitigating interference in a communication system |
| 01/22/1997 | CN1140966A Portable telephone unit and indication adapter |
| 01/22/1997 | CN1140961A Radio module included in primary radio station, and radio structure containing such modules |
| 01/22/1997 | CN1140960A Radio module included in primary radio station, and radio structure containing such modules |
| 01/22/1997 | CN1140944A Data receiving device |
| 01/22/1997 | CN1140941A Transmission and reception apparatus having single phase-locked loop and method thereof |
| 01/22/1997 | CN1140940A Transmitter/receiver apparatus |
| 01/22/1997 | CN1140938A Apparatus and method for optimizing quality of received signal in radio receiver |
| 01/22/1997 | CN1140937A Receiving apparatus, signal demodulating method, antenna apparatus, receiving system and antenna direction |
| 01/22/1997 | CN1140936A Car radio receiver comprising memory for storing predetermined vocabulary elements |
| 01/22/1997 | CN1140935A Digital receiver |
| 01/22/1997 | CN1140931A Method and apparatus for amplifying signal |
| 01/22/1997 | CN1140930A Circuit arrangement for processing first or second high-frequency signal |
| 01/22/1997 | CN1140911A Antenna coupling apparatus, external-antenna connecting apparatus, and onboard external-antenna connecting apparatus |
| 01/22/1997 | CN1140910A Antenna apparatus and portable radio apparatus |
| 01/22/1997 | CN1140841A Delay locked for use in GPS signal receiver |
| 01/22/1997 | CA2181309A1 Power supply circuitry for a transponder and operable with infinitesimal power |
| 01/21/1997 | US5596678 Lost frame concealment |
| 01/21/1997 | US5596638 Headset for hands-free wireless telephone |
| 01/21/1997 | US5596608 Fading distortion compensation method and circuit |
| 01/21/1997 | US5596607 Method and an arrangement of estimating transmitted symbols at a receiver in digital signal transmission |
| 01/21/1997 | US5596601 Method and apparatus for spread spectrum code pulse position modulation |
| 01/21/1997 | US5596600 Standalone canceller of narrow band interference for spread spectrum receivers |
| 01/21/1997 | US5596599 Spread spectrum receiving apparatus |
| 01/21/1997 | US5596571 CDMA radiotelephone having optimized slotted mode and long code operation |
| 01/21/1997 | US5596487 Apparatus for RF shielding radio circuitry |
| 01/21/1997 | US5596439 Self-interference cancellation for two-party relayed communication |
| 01/21/1997 | US5596438 Photoconductive spread-spectrum communications system |
| 01/21/1997 | US5596348 Input apparatus |
| 01/21/1997 | US5596330 Differential ranging for a frequency-hopped remote position determination system |
| 01/21/1997 | US5596318 Method for operating a two-way messaging system to extend battery life |
| 01/21/1997 | CA2143949C Electronic device for controlling application of a charging current thereto and associated method therefor |
| 01/19/1997 | CA2181419A1 Tag device with ic capacitively coupled to antenna and method of producing the same |
| 01/16/1997 | WO1997001890A1 System and method for storing personality data of a radio transceiver |
| 01/16/1997 | WO1997001887A1 Method for automatically compensating for accuracy degradation of a reference oscillator |
| 01/16/1997 | DE19627476A1 Spread-Spektrum-Kommunikationsgerät u. Demodulator, Oberflächenwellenelement u. Oberflächenwellenteile für eine Spread-Spektrum-Kommunikation Spread spectrum communication device u. Demodulator, surface acoustic wave element u. Surface wave parts for a spread spectrum communication |
| 01/15/1997 | EP0753223A1 Method of tuning a mobile radio receiver to radio broadcasting programmes carrying traffic information |
| 01/15/1997 | EP0753193A1 Improvements in an apparatus and method of use of radiofrequency identification tags |
| 01/15/1997 | EP0753186A1 Telemetry |
| 01/15/1997 | EP0753159A1 Vehicle-mounted transponder |
| 01/15/1997 | EP0716787B1 Sub-band coder with differentially encoded scale factors |
| 01/15/1997 | EP0709005B1 Computationally efficient adaptive bit allocation for coding method and apparatus |
| 01/15/1997 | EP0709004B1 Hybrid adaptive allocation for audio encoder and decoder |
| 01/15/1997 | EP0588884B1 A method and an apparatus for determining phase and frequency deviation |
| 01/15/1997 | EP0553094B1 Device for information transmission |
| 01/15/1997 | EP0522040B1 Locating system |
| 01/15/1997 | CN2245307Y Full duplex transfer device for simplex unit |
| 01/15/1997 | CN2245306Y Solar charging cell for mobile phone |
| 01/15/1997 | CN1140528A Selective call system |
| 01/15/1997 | CN1140517A Method, device, and radio for compensating for modulator frequency drift while allowing for data transmission |
| 01/15/1997 | CN1140372A Method of presenting caller identification |
| 01/15/1997 | CN1140365A Transmitter, receiver, transmission method, reception method and transfer method |
| 01/15/1997 | CN1140364A Combined communication method and apparatus |
| 01/15/1997 | CN1140270A Portable information terminal |
| 01/15/1997 | CN1140039A Double locking device of belt clip |
| 01/14/1997 | US5594953 Mobile communicator system |
| 01/14/1997 | US5594952 Device for integration between voice and data radio communication |
| 01/14/1997 | US5594951 Method and apparatus for saving power in a radiotelephone |
| 01/14/1997 | US5594939 Synthesizer routing architecture for a switching apparatus |
| 01/14/1997 | US5594907 Apparatus for locking/unlocking a number of units connected to a master unit |
| 01/14/1997 | US5594799 Circuit for suppression of short-lived noise-phenomena in a digital audio signal |
| 01/14/1997 | US5594756 Decision feedback equalization circuit |
| 01/14/1997 | US5594755 Apparatus for use in equipment providing a digital radio link between a fixed radio unit and a mobile radio unit |
| 01/14/1997 | US5594754 Spread spectrum communication receiver |
| 01/14/1997 | US5594394 Antenna diversity switching device with switching circuits between the receiver terminal and each antenna |
| 01/14/1997 | CA2054593C Hdtv receiver |
| 01/09/1997 | WO1997001218A1 A digital radio system, a digital radio device, and a quadrature demodulator |
| 01/09/1997 | WO1996038805A3 Supply voltage processing circuit and a data carrier with a supply voltage processing circuit |
| 01/09/1997 | WO1996034374A3 Wireless communication system for reliable communication between a group of apparatuses |
| 01/09/1997 | WO1996033581A3 Transmission system with improved tone detection |
| 01/09/1997 | DE19621439A1 Verfahren zur Leistungssteuerung und Vorrichtung für die Verwendung in einer Funkkommunikationsvorrichtung A method for controlling power and apparatus for use in a radio communication device |
| 01/08/1997 | EP0752778A1 Method and apparatus for a DS-CDMA communication system with M-ar PPM spreading-sequence signal |
| 01/08/1997 | EP0752761A2 Transceiver circuits for TDMA system with variable frequency second local oscillator |
| 01/08/1997 | EP0752735A1 Antenna device for mobile communication terminals |
| 01/08/1997 | EP0752688A2 Road distances identifying device |
| 01/08/1997 | EP0752193A1 Audio device |
| 01/08/1997 | EP0752189A1 Method for interference cancellation in a cellular cdma network |
| 01/08/1997 | EP0752146A1 Method of and receiver for processing and reproducing a message |