| 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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| 09/07/1999 | US5949813 Method and system for simultaneously broadcasting and receiving digital and analog signals |
| 09/07/1999 | US5949794 Time symmetrical control signal, and a receiver and transmission system employing the same |
| 09/07/1999 | US5949776 Hierarchical communication system using premises, peripheral and vehicular local area networking |
| 09/07/1999 | US5949767 Reception unit for receiving a frequency division multi-accessed signal based on plural spread signals and method for receiving the same |
| 09/07/1999 | US5949563 Wavelength division multiplexing transmitter receiver, optical transmission system, and redundant system switching method |
| 09/07/1999 | US5949369 Portable satellite phone having directional antenna for direct link to satellite |
| 09/07/1999 | US5949287 Power amplifier |
| 09/07/1999 | US5948063 Control system for a telecommunications system |
| 09/07/1999 | CA2175782C Radiotelephone having a self contained hinge |
| 09/07/1999 | CA2173367C Protection switching apparatus and method |
| 09/07/1999 | CA2152181C Apparatus and method for enabling elements of a phase locked loop |
| 09/07/1999 | CA2142722C A latching system |
| 09/07/1999 | CA2124470C Radio receiver with increased dynamic range |
| 09/07/1999 | CA2108461C Power amplifier combining network |
| 09/07/1999 | CA2104098C Electronic apparatus having keyless control |
| 09/06/1999 | CA2225069A1 Automatic musical bathroom muffler |
| 09/03/1999 | CA2263820A1 Mobile communication terminal equipment and its waiting reception method |
| 09/02/1999 | WO1999044350A1 Radio device with remote control |
| 09/02/1999 | WO1999044346A1 Reducing radiation in hand held cellular telephones and other mobile communication |
| 09/02/1999 | WO1999044319A1 Method and apparatus for interference rejection |
| 09/02/1999 | WO1999044304A1 Bi-orthogonal code division multiple access system |
| 09/02/1999 | WO1999044303A1 Quasi-optimal receiver for tracking and acquisition of a split spectrum pn gps c/a signal |
| 09/02/1999 | WO1999044302A1 Handsfree talking system for a mobile telephone |
| 09/02/1999 | WO1999044301A1 Holder for portable telephone |
| 09/02/1999 | WO1999044300A1 Receiver input circuit |
| 09/02/1999 | WO1999044283A2 A device for generating an ac amplitude-dependent indicator |
| 09/02/1999 | WO1999044268A1 Method and apparatus for communicating battery pack information |
| 09/02/1999 | WO1999031755A3 Method and arrangement relating to antennas |
| 09/02/1999 | DE19904724A1 Integrated circuit antenna for mobile communications device |
| 09/02/1999 | DE19805963A1 Integrierte Schaltung zur Frequenzaufbereitung eines im UHF-Bereich arbeitenden Funk-Sende-Empfängers, insbesondere eines Schnurlostelefons An integrated circuit for frequency processing of operating in the UHF range radio transceiver, in particular a cordless phone |
| 09/02/1999 | CA2291001A1 Bi-orthogonal code division multiple access system |
| 09/02/1999 | CA2263252A1 Communication system |
| 09/01/1999 | EP0939568A2 Physical channel assignment method and transmitter |
| 09/01/1999 | EP0939560A1 Method and system for restoring a distributed telecommunications network |
| 09/01/1999 | EP0939538A1 Multimedia terminal device |
| 09/01/1999 | EP0939533A2 Slide cover for a communication unit |
| 09/01/1999 | EP0939530A2 Data communication system data communication method and data communication apparatus |
| 09/01/1999 | EP0939506A2 Milliwave transmitting device, milliwave receiving device and milliwave transmission and reception system capable of simplifiying wiring of a receiving system of terrestrial broadcasting service and satellite broadcasting service |
| 09/01/1999 | EP0939504A2 Infrared signal receiver with attenuating circuit |
| 09/01/1999 | EP0939502A2 Channel tracking in a mobile receiver |
| 09/01/1999 | EP0939501A2 Data transmission method, transmitter and receiver |
| 09/01/1999 | EP0939500A2 Matched filter and signal reception apparatus |
| 09/01/1999 | EP0939499A1 Frame waveform mutual correction data signal demodulation method |
| 09/01/1999 | EP0939498A2 Data transmitting method and system |
| 09/01/1999 | EP0939497A1 Adapter apparatus for telephone |
| 09/01/1999 | EP0939496A1 Adjacent channel interference detectin for FM radio receiver |
| 09/01/1999 | EP0939495A1 Power saving for a electronic devices |
| 09/01/1999 | EP0939486A2 Filter circuit |
| 09/01/1999 | EP0938831A1 Hearing-adapted quality assessment of audio signals |
| 09/01/1999 | EP0938788A2 Despreading of direct sequence spread spectrum communications signals |
| 09/01/1999 | EP0938783A1 Method for wireless information transfer |
| 09/01/1999 | EP0938782A1 Method of transmission and device to carry out said method |
| 09/01/1999 | EP0938781A2 Transmission system with improved reconstruction of missing parts |
| 09/01/1999 | EP0938777A2 A high frequency amplifier, and a communication receiver or transceiver |
| 09/01/1999 | CN2336520Y Protective fastener |
| 09/01/1999 | CN1227683A Transmitter deversity assembly and associated method for radio transmitter |
| 09/01/1999 | CN1227681A Symbol-matched filter having a low silicon and power requirement |
| 09/01/1999 | CN1227459A Method for automatically adjusting audio gain of composite digital cellular communication terminal |
| 09/01/1999 | CN1227445A Multi-mode communication device |
| 09/01/1999 | CN1227444A Spread spectrum signal generating device and method in transmitter of mobile communications system |
| 09/01/1999 | CN1044956C Radio set |
| 08/31/1999 | US5946635 Sporting event configurable radio receiver/scanner |
| 08/31/1999 | US5946610 Portable radio apparatus having a slot antenna |
| 08/31/1999 | US5946609 Reduced-radiation radio signal receivers |
| 08/31/1999 | US5946606 Internal wrap test circuit in radio equipment and test method thereof |
| 08/31/1999 | US5946402 Signal processing device for processing sound quality, and recording apparatus, reproducing apparatus and mixing apparatus provided with the signal processing device applied thereto |
| 08/31/1999 | US5946356 Method and apparatus for data transmission within a broad-band communications system |
| 08/31/1999 | US5946352 Method and apparatus for downmixing decoded data streams in the frequency domain prior to conversion to the time domain |
| 08/31/1999 | US5946348 For use with a data terminal equipment and a signal line |
| 08/31/1999 | US5946345 Apparatus and a method for telecommunication system |
| 08/31/1999 | US5946344 Multiple-rate direct sequence architecture utilizing a fixed chipping rate and variable spreading code lengths |
| 08/31/1999 | US5946026 Multibroadcast receiver |
| 08/31/1999 | US5945944 To determine position of a mobile global positioning system receiver |
| 08/31/1999 | US5945932 Technique for embedding a code in an audio signal and for detecting the embedded code |
| 08/31/1999 | US5945887 Nonreciprocal circuit device and composite electronic component |
| 08/31/1999 | US5945882 Synchronizing method of distributed reference oscillation systems and reference oscillation generation apparatus |
| 08/31/1999 | US5945646 Multi-switch device for controlling vehicle subsystems |
| 08/31/1999 | US5944842 Method and apparatus for data encoding and communication over noisy media |
| 08/31/1999 | US5944659 For permitting real-time monitoring of patients |
| 08/31/1999 | CA2177273C Device for switching between a telephone handset and a substitute secondary apparatus |
| 08/31/1999 | CA2121684C Automatic gain control for reducing effects of jamming |
| 08/26/1999 | WO1999043180A1 A method and apparatus for maximizing standby time using a quick paging channel |
| 08/26/1999 | WO1999043132A2 A method and a circuit for am demodulation |
| 08/26/1999 | WO1999043101A1 Forward link power control in a cellular system using nt/i0 values |
| 08/26/1999 | WO1999043100A1 Synchronization of forward link base station power levels during handoff between base station sectors in a mobile radio communication system |
| 08/26/1999 | WO1999043096A1 Data communications terminal and method of adjusting a power signal generated therefrom |
| 08/26/1999 | WO1999043095A1 Power supply assembly for portable phone |
| 08/26/1999 | WO1999043094A1 External battery assembly for portable phone |
| 08/26/1999 | WO1999043092A1 Transmitter |
| 08/26/1999 | WO1999043091A1 Locator beacon |
| 08/26/1999 | WO1999043090A1 Quadrature-free rf receiver for directly receiving angle modulated signal |
| 08/26/1999 | WO1999043089A1 Radio receiving apparatus and more precisely a car radio |
| 08/26/1999 | WO1999043083A1 Amplifier for radio transmission |
| 08/26/1999 | WO1999043043A1 Dual band diversity antenna having parasitic radiating element |
| 08/26/1999 | WO1999043041A1 Substrate antenna incorporating an element preventing the coupling of energy between antenna and conductors |
| 08/26/1999 | WO1999025079A9 Rapid signal acquisition and synchronization for access transmissions |
| 08/26/1999 | DE19906801A1 Spectrum diffusion signal analyzer for measuring faults in carrier frequency, and for demodulating diffuse signals |
| 08/26/1999 | DE19807928A1 Radio receiver with remote-control device, e.g. car radio |
| 08/26/1999 | DE19806921A1 Radio receiver, esp. car radio |
| 08/26/1999 | DE19806430A1 Communications unit, e.g. for receiving RDS broadcast using car radio |