| 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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| 06/05/1997 | DE19650096A1 Satellite radio receiver tuner |
| 06/05/1997 | DE19649683A1 High frequency component for mobile phone |
| 06/05/1997 | DE19649433A1 Electromagnetic coupling screening arrangement for HF devices |
| 06/05/1997 | DE19648750A1 Waveform identity discriminating circuit for identifying same programmes in FM RDS radio receiver |
| 06/05/1997 | DE19633919C1 Program module updating method for mobile communications appts |
| 06/05/1997 | DE19544657A1 Rundfunkempfänger mit einem Potentiometer als Lautstärkerregler Broadcast radio receiver having a potentiometer as a volume control |
| 06/05/1997 | DE19544438A1 Schaltungsanordnung zum kurzzeitigen Stummschalten der Wiedergabe eines NF-Signals in einem Rundfunkempfänger Circuit arrangement for momentarily muting the reproduction of an AF signal in a radio receiver |
| 06/05/1997 | CA2191551A1 Digital circuit for differential receiver for direct sequence spread spectrum signals |
| 06/04/1997 | EP0777352A1 Data processing apparatus and a neural network using such a apparatus |
| 06/04/1997 | EP0777348A2 Method for controlling the memory of a broadcast receiver receiving supplementary data together with a broadcast programme |
| 06/04/1997 | EP0777338A2 System for soft handoff in spread spectrum communication |
| 06/04/1997 | EP0777337A2 Spread-spectrum communication apparatus |
| 06/04/1997 | EP0777336A1 PSK Broadcast transmitter and predistortion method |
| 06/04/1997 | EP0777335A2 Satellite broadcast tuner capable of processing both QPSK modulation signal and FM signal |
| 06/04/1997 | EP0777334A2 Radio receiving apparatus having current consumption reducing function |
| 06/04/1997 | EP0776584A1 Cellular telephone credit card billing system |
| 06/04/1997 | EP0776564A1 Chip card holder for mobile telephone |
| 06/04/1997 | EP0776557A1 Multi-band, multi-mode spread-spectrum communication system |
| 06/04/1997 | EP0776556A1 Synchronous multipoint-to-point cdma communication system |
| 06/04/1997 | EP0776555A1 Multiple access coding using bent sequences for mobile radio communications |
| 06/04/1997 | EP0776547A1 A digital radio system, a digital radio device, and a quadrature demodulator |
| 06/04/1997 | CN2255698Y Simple telephone exchanging device |
| 06/03/1997 | US5636324 Apparatus and method for stereo audio encoding of digital audio signal data |
| 06/03/1997 | US5636249 Method of and apparatus for phase synchronization with an RDS signal |
| 06/03/1997 | US5636243 Interterminal direct communication in digital mobile communication system |
| 06/03/1997 | US5636242 Diversity transmitter/receiver |
| 06/03/1997 | US5636105 Electronic equipment device having clamps |
| 06/03/1997 | US5635900 Antitheft apparatus for automotive vehicle and method of registering ID No. therein |
| 05/31/1997 | CA2185047A1 Electrostatic discharge protection for an electrical device |
| 05/29/1997 | WO1997019523A1 Direct sequence spread spectrum dsp system |
| 05/29/1997 | WO1997019522A2 Method for controlling a receiver, and a receiver |
| 05/29/1997 | WO1997019521A1 Method and device for removing signal residues in quadrature signal modulator-demodulators |
| 05/29/1997 | WO1997019520A1 Digital transmission system for transmitting a digital audio signal being in the form of samples of a specific wordlength and occurring at a specific sampling rate |
| 05/29/1997 | WO1997019448A1 Audio noise reduction system implemented through digital signal processing |
| 05/29/1997 | WO1997019447A1 Dsp decoder for decoding analog sr encoded audio signals |
| 05/29/1997 | WO1997019432A2 Dynamically compensated linear regulator for pulsed transmitters |
| 05/29/1997 | WO1997019401A1 Communication terminal device |
| 05/29/1997 | CA2237913A1 Direct sequence spread spectrum dsp system |
| 05/28/1997 | EP0776106A1 Method for synchronizing spreading code and device for synchronizing spreading code |
| 05/28/1997 | EP0776105A1 Cdma demodulator |
| 05/28/1997 | EP0776099A2 Code division multiple access mobile radio system |
| 05/28/1997 | EP0776098A2 Subband coding/decoding |
| 05/28/1997 | EP0776097A2 Mobile data terminals with text-to-speech capability |
| 05/28/1997 | EP0776096A2 Circuit for a mobile broadcast receiver |
| 05/28/1997 | EP0775918A2 Transmission-reception system |
| 05/28/1997 | EP0775792A1 Automatic answering system using transponder |
| 05/28/1997 | EP0775428A1 Radio frequency transmitter having switched mode power supply |
| 05/28/1997 | EP0775417A1 Improved electronic television program schedule guide system and method |
| 05/28/1997 | EP0775409A2 Nonlinear digital communications system |
| 05/28/1997 | EP0775408A1 Digital super-regenerative detector rf receiver |
| 05/28/1997 | EP0775395A1 Method of transmitting additional digital information over a transmission channel such as a radio-broadcast channel |
| 05/28/1997 | EP0775392A1 A method for controlling a radio unit |
| 05/28/1997 | EP0775389A2 Encoding system and encoding method for encoding a digital signal having at least a first and a second digital signal component |
| 05/28/1997 | EP0775388A1 Power consumption control method and apparatus for a communication system subscriber unit |
| 05/28/1997 | EP0748491A4 Electronic identification system |
| 05/28/1997 | EP0716790A4 Information transmission system and method of operation |
| 05/28/1997 | EP0685133A4 Voice transmission systems with voice cancellation. |
| 05/28/1997 | EP0556269B1 Receiver with automatic frequency control |
| 05/28/1997 | DE19545237A1 Symmetrical-input receiver circuit for serial digital audio signals |
| 05/28/1997 | CN2255101Y Two purpose cell box for portable telephone set |
| 05/28/1997 | CN1150873A A method and system for digital audio information broadcasting comprising data compression, encryption and speech synthesizing |
| 05/28/1997 | CN1150743A Simultaneous multidirectional communication apparatus |
| 05/28/1997 | CN1150712A Apparatus and method for discharging and charging multiple battery arrangement |
| 05/27/1997 | US5634209 In-vehicle radio antenna |
| 05/27/1997 | US5634207 Frequency converter capable of reducing noise components in local oscillation signals |
| 05/27/1997 | US5634203 Adaptive multi-receiver shared antenna matching system and method |
| 05/27/1997 | US5634202 Method and apparatus for integrating a plurality of analog input signals prior to transmitting a communications signal |
| 05/27/1997 | US5634201 Communications visor |
| 05/27/1997 | US5634200 Antenna duplexer and transmitting/receiving apparatus using the same |
| 05/27/1997 | US5634199 Method of subspace beamforming using adaptive transmitting antennas with feedback |
| 05/27/1997 | US5634082 High efficiency audio coding device and method therefore |
| 05/27/1997 | US5633889 Phased array spread spectrum system and method |
| 05/27/1997 | US5633880 Receiver providing masking of an error in a digital signal, and a transmission system including such a receiver |
| 05/27/1997 | US5633837 Automobile radio recording system |
| 05/27/1997 | US5633815 Formatter |
| 05/27/1997 | US5633786 Shield assembly and method of shielding suitable for use in a communication device |
| 05/27/1997 | US5633582 Combined signal level meter and leakage detector |
| 05/27/1997 | US5632272 Signal processing apparatus |
| 05/25/1997 | CA2190572A1 Battery latch for a communication device |
| 05/22/1997 | WO1997018648A1 Wireless sound monitoring apparatus with subaudible squelch control |
| 05/22/1997 | WO1997018639A1 Two-way tdma medical telemetry system |
| 05/22/1997 | WO1997018638A1 Beverage holder with remote control |
| 05/22/1997 | WO1997008839A3 Digitally programmable multifunction radio system architecture |
| 05/22/1997 | DE19647383A1 Voltage-controlled oscillator |
| 05/22/1997 | CA2189807A1 Cdma air interface for radio local loop system |
| 05/21/1997 | EP0774842A2 Wireless telecommunication system using frequency hopping, and method of controlling same |
| 05/21/1997 | EP0774841A2 Circuit for a mobile braodcast receiver |
| 05/21/1997 | EP0774182A1 Method and apparatus for a radio system operating on shared communication channels |
| 05/21/1997 | EP0774181A1 Wideband fft channelizer |
| 05/21/1997 | EP0774147A1 Alerting device and system for abnormal situations |
| 05/21/1997 | EP0692130B1 Electronic tourist voice guide system |
| 05/21/1997 | EP0651925A4 Frequency hopping time-diversity communications systems and transceivers for local area networks. |
| 05/21/1997 | CN1150368A Display providing reversible contrasting indicia |
| 05/21/1997 | CN1150358A Automatic gain control circuit for satellite communication transmitters |
| 05/21/1997 | CN1150356A Communication device with card ejection mechanism |
| 05/21/1997 | CN1150266A Time display control apparatus |
| 05/20/1997 | US5632003 Computationally efficient adaptive bit allocation for coding method and apparatus |
| 05/20/1997 | US5631966 Audio signal conversion using frequency band division |
| 05/20/1997 | US5631963 Circuit arrangement for the recognition of adjacent channel interference |
| 05/20/1997 | US5631933 Phase-locked digital synthesizers |