| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 10/11/1984 | WO1984003949A1 Modulation detector and classifier |
| 10/09/1984 | US4476348 In an acoustic data coupler |
| 10/03/1984 | EP0120786A1 Microwave reception chain having a direct microwave demodulation device |
| 10/03/1984 | EP0120774A1 Phase-controlled angular modulation modem for binary data signals |
| 10/03/1984 | EP0120474A2 DC voltage control circuits |
| 10/03/1984 | EP0120416A1 Demodulator with automatic gain control circuit |
| 10/02/1984 | US4475219 Demodulator for frequency-shift-keyed binary data signals |
| 10/02/1984 | US4475218 Carrier-recovery circuit |
| 10/02/1984 | US4475217 Receiver for phase-shift modulated carrier signals |
| 10/02/1984 | US4475216 FSK Data transceiver |
| 10/02/1984 | US4475211 Digitally controlled transversal equalizer |
| 10/02/1984 | US4475088 Gain imbalance corrected quadrature phase detector |
| 10/02/1984 | CA1175523A1 Voiceband data set |
| 10/02/1984 | CA1175490A1 Frequency shift keying demodulators |
| 09/26/1984 | EP0030551B1 A technique for increasing the rain margin of a communication system |
| 09/25/1984 | CA1175124A2 Voiceband data set |
| 09/19/1984 | EP0119008A2 Improved coherent phase shift keyed demodulator for power line communication systems |
| 09/18/1984 | US4472817 Non-PLL concurrent carrier clock synchronization |
| 09/18/1984 | US4472816 FSK Discriminator |
| 09/18/1984 | US4472810 Charge-transfer modulator-demodulator |
| 09/18/1984 | CA1174745A1 Interference cancellation method and apparatus |
| 09/12/1984 | EP0118234A2 Coherent phase shift keyed demodulator with improved sampling apparatus and method |
| 09/12/1984 | EP0118214A2 Demodulators |
| 09/12/1984 | EP0118156A1 Circuit recovering the carrier of a signal modulated by amplitude steps and phase steps |
| 09/12/1984 | EP0118119A2 Timing synchronizing circuit |
| 09/11/1984 | US4471328 Variable frequency reference source responsive to digital data |
| 09/11/1984 | US4471313 Demodulator for phase difference demodulated signals |
| 09/11/1984 | US4471312 Integrated circuit demodulator for FSK signals |
| 09/11/1984 | EP0108124A4 Variable frequency generator responsive to digital data. |
| 09/11/1984 | CA1174298A1 Biphase detector |
| 09/11/1984 | CA1174297A1 Bi-phase modulator/demodulator |
| 09/04/1984 | US4470145 Single sideband quadricorrelator |
| 09/04/1984 | CA1173912A1 Process for the demodulation of an amplitude modulated signal and demodulator performing this process |
| 08/29/1984 | EP0116625A1 Multiple simultaneous tone decoder. |
| 08/28/1984 | US4468792 Method and apparatus for data transmission using chirped frequency-shift-keying modulation |
| 08/21/1984 | US4467277 Programmable detector for tone signals |
| 08/21/1984 | CA1173110A1 Device for disconnecting the receiver in case of a small signal-to-noise ratio for a digital-modulated radio system |
| 08/16/1984 | WO1984003188A1 Demodulators |
| 08/14/1984 | US4466109 Carrier recovery arrangement for sixteen-state amplitude and phase modulation and receiving system for digital data, comprising such an arrangement |
| 08/14/1984 | US4466108 TDMA/PSK Carrier synchronization without preamble |
| 08/14/1984 | US4466106 Frequency shift keyed modem chip set |
| 08/08/1984 | EP0115445A2 Optical heterodyne detection pulse receiving system and method |
| 08/08/1984 | EP0115385A2 Radio communication system |
| 08/07/1984 | US4464767 System for generation of multiple pointed QAM signal spaces by use of synchronous Qam transmitters |
| 08/07/1984 | US4464766 Radio transmission system for binary coded signals |
| 08/02/1984 | WO1984002991A1 Apparatus and method for suppressing side lobe response in a digitally sampled system |
| 08/01/1984 | EP0114761A1 16-Quadrature amplitude modulation modulator for radio links |
| 07/31/1984 | US4463452 Tracking and telemetry system for severe multipath acoustic channels |
| 07/31/1984 | CA1171910A1 Superregenerative receiver |
| 07/24/1984 | US4462109 Receiver for phase-shift modulated carrier signals |
| 07/24/1984 | US4462108 Modem signal acquisition technique |
| 07/24/1984 | US4462107 Radio receiver for frequency shift keyed signals |
| 07/24/1984 | CA1171499A1 Method and apparatus for controlling the phase of a digital data receiving system clock |
| 07/19/1984 | WO1984002819A1 Circuit for reducing errors in a data receiver |
| 07/19/1984 | WO1984002818A1 Automatic gain control circuit |
| 07/18/1984 | EP0113571A1 Linear distortion canceller circuit |
| 07/17/1984 | US4461014 Carrier regenerating circuit |
| 07/17/1984 | US4461012 Transmitter and receiver for transmitting digital signals |
| 07/17/1984 | US4461011 Method and apparatus for converting binary information into a high density single-sideband signal |
| 07/17/1984 | US4460808 Adaptive signal receiving method and apparatus |
| 07/17/1984 | US4460806 Dual tone multifrequency and dial pulse receiver |
| 07/17/1984 | CA1171139A1 Dual mode tone detector circuit |
| 07/17/1984 | CA1171138A1 Self-synchronization circuit for a ffsk and msk demodulator |
| 07/11/1984 | EP0113291A2 Speech interpolation method and apparatus in a digitized speech transmission system |
| 07/11/1984 | EP0113246A2 Radio communication system |
| 07/11/1984 | EP0113231A2 Data transmission system with modems coupled to a common communication medium |
| 07/11/1984 | EP0113230A2 Data transmission system for a local network |
| 07/10/1984 | US4459699 In a data transmission system receiver |
| 07/05/1984 | WO1984002627A1 Secondary channel method and apparatus |
| 07/04/1984 | EP0112716A2 Secondary channel method and apparatus |
| 07/03/1984 | US4458356 Carrier recovery circuit |
| 07/03/1984 | US4458355 For processing an information signal |
| 07/03/1984 | US4458216 For use in a communications system |
| 07/03/1984 | US4458206 Circuit for synchronizing the demodulation of phase modulated transmission bursts |
| 07/03/1984 | CA1170317A1 Transversal equalizer |
| 06/27/1984 | EP0112107A2 Data transmitting-receiving system |
| 06/26/1984 | US4457005 Digital coherent PSK demodulator and detector |
| 06/26/1984 | US4457004 Signal processing apparatus |
| 06/26/1984 | US4456893 Equalizer having a substantially constant gain at a preselected frequency |
| 06/19/1984 | US4455680 Method and apparatus for receiving and tracking phase modulated signals |
| 06/19/1984 | US4455665 Data modem clock extraction circuit |
| 06/19/1984 | US4455664 Carrier data operated squelch |
| 06/19/1984 | US4455663 Full duplex modems and synchronizing methods and apparatus therefor |
| 06/19/1984 | US4455617 Multiple simultaneous tone decoder |
| 06/13/1984 | EP0110726A2 Method and system for transmitting and receiving data |
| 06/13/1984 | EP0110427A2 Method of transmitting information according to which the signals are coded by the amplitude size of the half waves or the periods of a sinusoidally shaped alternating current |
| 06/13/1984 | EP0110368A2 Burst signal transmission system |
| 06/13/1984 | EP0109966A1 Digital FM demodulation circuit |
| 06/05/1984 | US4453258 Automatic gain control circuit |
| 06/05/1984 | US4453257 Spectrum shaping microwave digital modulators |
| 06/05/1984 | US4453256 Adaptive equalizer system for quadrature amplitude modulation |
| 05/29/1984 | CA1168391A1 Demultiplexing plural data streams |
| 05/23/1984 | EP0040632B1 Data processing system with serial data transmission between subsystems |
| 05/22/1984 | US4450573 Bit data operated squelch |
| 05/22/1984 | CA1167947A1 Method and device for effecting the initial adjustment of the clock in a synchronous data receiver |
| 05/22/1984 | CA1167926A1 Digital multi-level multi-phase modulation communication system |
| 05/16/1984 | EP0108358A2 Phase demodulator |
| 05/16/1984 | EP0108124A1 Variable frequency generator responsive to digital data. |
| 05/15/1984 | US4449222 Digital modulation quality monitor |
| 05/09/1984 | EP0107980A2 Phase modulation method and apparatus |