| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 01/26/1994 | EP0580339A1 Modulators test systems |
| 01/26/1994 | EP0580301A2 Circular limiter |
| 01/26/1994 | EP0580269A2 Signal filter |
| 01/26/1994 | EP0580216A1 System and receiver for orthogonal frequency division multiplexed signals provided with a frequency synchronisation circuit |
| 01/26/1994 | EP0579778A1 Multi-level symbol synchronizer |
| 01/25/1994 | US5282228 Timing and automatic frequency control of digital receiver using the cyclic properties of a non-linear operation |
| 01/25/1994 | US5282222 Method and apparatus for multiple access between transceivers in wireless communications using OFDM spread spectrum |
| 01/25/1994 | US5282019 Method and apparatus for the transmission and reception of a multicarrier digital television signal |
| 01/25/1994 | US5281079 Automatic manipulator with reservoir and methods |
| 01/20/1994 | WO1994000973A2 Information coding and transmission process |
| 01/19/1994 | EP0579100A1 Method and apparatus for baseband phase correction in a PSK receiver |
| 01/19/1994 | EP0528848B1 Frequency converter for a radio communications system |
| 01/19/1994 | CN1081044A Method and apparatus for partial response demodulation |
| 01/19/1994 | CN1081040A "method and apparatus for the formatting of data for transmission" |
| 01/18/1994 | US5280503 Data communication system with data rate throttling |
| 01/18/1994 | CA1326308C Subsignal transmitting system |
| 01/12/1994 | EP0578489A1 Clock recovery phase detector |
| 01/12/1994 | EP0578313A1 Concatenated coding for OFDM transmission |
| 01/12/1994 | EP0577672A1 Tcm scheme with fractional bit rates, framing signals and constellation shaping |
| 01/12/1994 | EP0577670A1 Frame synchronisation for qam |
| 01/11/1994 | US5278871 Method and apparatus for estimating signal weighting parameters in a receiver |
| 01/11/1994 | US5278868 Receiver for quadraphase modulation signals |
| 01/11/1994 | US5278867 Receiver system for processing signals received on diversity channels |
| 01/11/1994 | US5278863 Radio frequency broadcasting systems and methods using two low-cost geosynchronous satellites |
| 01/11/1994 | US5278844 Method and apparatus for digital audio broadcasting and reception |
| 01/11/1994 | US5278826 Method and apparatus for digital audio broadcasting and reception |
| 01/11/1994 | US5278637 Apparatus and a method for quadrature-phase encoding and transmitting a digital signal in a video signal |
| 01/11/1994 | US5278514 MSK demodulator using one synchronous detector |
| 01/11/1994 | CA2030355C Automatic gain control |
| 01/11/1994 | CA2029675C Carrier regenerating device correctly operable in mobile satellite communication |
| 01/11/1994 | CA2027890C Digital process and device for correcting the non-linearity of a transmission system |
| 01/06/1994 | WO1994000943A1 Multi-modulation scheme compatible radio |
| 01/06/1994 | WO1994000929A1 Clock phase detector |
| 01/05/1994 | EP0577351A2 Television signal processing apparatus |
| 01/05/1994 | EP0577323A1 M-ary frequency shift keying (FSK) modulator |
| 01/05/1994 | EP0577089A1 Surface acoustic wave device, and demodulation device and communication system using the same |
| 01/05/1994 | EP0576826A2 A demodulator for a phase shift keying (PSK) signal |
| 01/05/1994 | EP0576586A1 Automatic frequency selection in a bi-directional cable television system |
| 01/04/1994 | US5276921 Transmitter with nonlinearity correction circuit |
| 01/04/1994 | US5276710 Carrier frequency error detector capable of accurately detecting a carrier frequency error |
| 01/04/1994 | US5276704 SAWC phase detection method and apparatus |
| 01/04/1994 | US5276685 Digital automatic gain control |
| 12/29/1993 | EP0576382A1 Transmission procedure of electrical signals on a radio-channel and transmission systems for the implementation of the procedure |
| 12/29/1993 | EP0575725A2 Adaptive signal detection process for the evaluation of multifrequency coded signals |
| 12/29/1993 | EP0575422A1 Error burst detection. |
| 12/29/1993 | CN1080104A Qam signal encoding/decoding system |
| 12/28/1993 | US5274668 Integrated circuit demodulator component |
| 12/28/1993 | US5274629 Method for the broadcasting of digital data, notably for radio broadcasting at high bit rate towards mobile receivers, with time-frequency interlacing and coherent demodulation |
| 12/28/1993 | US5274490 Optical transmitter, optical receiver and optical transmission apparatus and control method of optical receiver |
| 12/25/1993 | CA2094182A1 Portable test receiver for remote monitoring system |
| 12/23/1993 | WO1993026105A1 Improved trellis coding technique to increase adjacent channel interference protection ratio in land mobile radio systems under peak power constraints |
| 12/23/1993 | WO1993026096A1 Method for equalizing a multicarrier signal |
| 12/23/1993 | DE4234337C1 Demodulator for FSK signals - uses digital comb filter for dividing input signal into partial signals of differing frequency |
| 12/22/1993 | EP0326566B1 Adaptive correction of dc error transients |
| 12/21/1993 | US5272706 In a viterbi decoder |
| 12/21/1993 | US5272700 Spectrally efficient broadband transmission system |
| 12/21/1993 | US5272559 Truncated frequency discriminator |
| 12/21/1993 | US5272447 Demodulator and demodulation method for a digital phase modulated signal |
| 12/21/1993 | US5272446 Digitally implemented fast frequency estimator/demodulator for low bit rate maritime and mobile data communications without the use of an acquisition preamble |
| 12/16/1993 | DE4219417A1 Narrow-band data signal receiver from long-wave transmitter - employs Hilbert transform to produce in=phase and quadrature signal components for coordinate rotation digital computer. |
| 12/16/1993 | DE4218893A1 Phase-modulated IR carrier transmission of digital data words - discriminating between binary signals phase shifted w.r.t. reference signal preceding each received data byte |
| 12/15/1993 | EP0574282A1 Coding and decoding device for the frequency subband transmission |
| 12/15/1993 | EP0574273A1 A receiver compriser a combined AM-FM demodulator |
| 12/15/1993 | EP0574223A1 Adaptive detection method and detector for quantized signals |
| 12/15/1993 | EP0574117A1 Discriminating and suppressing incoming signal noise |
| 12/15/1993 | EP0573721A1 Coupling device for allowing the connection to a public switched telephone network, and DCE or personal system using the same |
| 12/15/1993 | EP0573621A1 Novel device and method for precoding |
| 12/15/1993 | EP0573541A1 System for broadcasting and receiving digital data, receiver and transmitter for use in such system. |
| 12/14/1993 | US5271043 Device and method for the data transmission or storage optimizing the use of the pass-band |
| 12/14/1993 | US5271042 Soft decision decoding with channel equalization |
| 12/14/1993 | US5271039 Local oscillating device |
| 12/14/1993 | US5271036 Method and device for the recognition of modulations |
| 12/14/1993 | US5270665 Demodulator for continuously and accurately carrying out demodulating operation by a frequency multiplication method |
| 12/09/1993 | WO1993025034A1 Qam signal encoding/decoding system |
| 12/09/1993 | WO1993025033A1 Fsk transmission system |
| 12/09/1993 | WO1993025022A1 Data communication receiver having burst error protected data synchronization |
| 12/09/1993 | WO1993025019A1 Compensator for interference between cross polarizations and cross polarization interference eliminator using the compensator |
| 12/09/1993 | WO1993025015A1 Process for reducing data in the transmission and/or storage of digital signals from several interdependent channels |
| 12/09/1993 | CA2136864A1 Data communication receiver having burst error protected data synchronization |
| 12/08/1993 | EP0573359A1 Treatment and precorrection device of an audio frequency signal before its amplification in an amplifier chain of an amplitude modulated emitter |
| 12/08/1993 | EP0573072A2 Power control device for controlling the output level in digitally modulated radio signals |
| 12/08/1993 | EP0482033B1 Saw device tapped delay line and apparatus using same |
| 12/08/1993 | EP0341238B1 Automatic antenna tuning system for portable communication devices |
| 12/07/1993 | US5268938 Redundancy scheme for Fourier transform coding on peak limited channels |
| 12/07/1993 | US5268929 Method of effectively normalizing an automatic equalizer in multipoint data communications system and arrangement thereof |
| 12/07/1993 | US5268647 Method and arrangement of coherently demodulating PSK signals using a feedback loop including a filter bank |
| 12/07/1993 | CA2015265C Teleaction terminal communications adapter |
| 12/07/1993 | CA2003954C Method and circuitry for symbol timing and frequency offset estimation in time division multiple access radio systems |
| 12/06/1993 | CA2097555A1 Device for the processing and pre-correction of an audio signal before it is amplified in an amplification system of a transmitter with amplitude modulation |
| 12/02/1993 | DE4217574A1 Frequency and phase control loop synchronisation method - using auxiliary signal with low intensity and orthogonal polarisation w.r.t. main transmission signal during new synchronisation phase |
| 12/01/1993 | EP0572168A2 Method for matching symbol rates in a communications network |
| 12/01/1993 | EP0572130A1 Digital quadrature modulator and method for testing the same |
| 12/01/1993 | EP0572082A2 Vehicle location unit |
| 12/01/1993 | EP0571919A1 Demodulating apparatus using transversal equalizer and decision feedback type equalizer |
| 12/01/1993 | EP0571788A2 Arrangement for carrier recovery in a QAM receiver |
| 12/01/1993 | EP0571530A1 Transmission of well-logging data over bandpass channels using quadrature amplitude modulation |
| 12/01/1993 | EP0544875A4 Apparatus for and method of adjusting signal points, equalizer gains and the like |
| 12/01/1993 | EP0536334A4 System and method for generating signal waveforms in a cdma cellular telephone system |
| 11/30/1993 | US5267021 Multiresolution digital television broadcast system |
| 11/30/1993 | US5265323 Method of fabricating a stator assembly for a non-static cogging brushless DC motor |