| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 07/24/1992 | CA2059835A1 Quadrature optical phase modulators for lightwave systems |
| 07/21/1992 | US5132829 Tone spacing and power level monitor for fsk lightwave systems |
| 07/15/1992 | EP0494709A2 Signal transmission system |
| 07/15/1992 | EP0494696A2 Quadrature modulation circuit |
| 07/15/1992 | EP0494429A1 Method of demodulation with judgement stage for binary data |
| 07/14/1992 | US5131014 Apparatus and method for recovery of multiphase modulated data |
| 07/14/1992 | US5131009 Digital radio link receiving device |
| 07/14/1992 | US5131008 DSP-based GMSK coherent detector |
| 07/14/1992 | US5130774 Antiblooming structure for solid-state image sensor |
| 07/14/1992 | US5130676 Phase locked loop frequency synthesizer with DC data modulation capability |
| 07/09/1992 | WO1992011721A1 Coherent detection for qpsk modulation |
| 07/09/1992 | WO1992011719A1 Adaptive phase lock loop |
| 07/09/1992 | WO1992008307A3 Optimal demodulator using maximum a posteriori probability estimation |
| 07/08/1992 | EP0494003A1 Receiver for processing signals which are received over diversity paths |
| 07/08/1992 | EP0493748A2 Method and circuit arrangement for determination of a control information for the quadrature phase in a QAM receiver |
| 07/07/1992 | US5128968 Apparatus for cancelling carrier phase jitters |
| 07/07/1992 | US5128965 Digital radio link system and a method of adjusting the transmission power in a digital radio link system |
| 07/07/1992 | US5128964 Modulation method and apparatus for multicarrier data transmission |
| 07/07/1992 | US5128933 Process and device for the radio transmission of coded data superimposed on a traditional frequency-modulated broadcast |
| 07/07/1992 | US5128626 Coherently demodulating arrangement including quasi-coherent demodulator for PSK signals |
| 07/07/1992 | US5128625 Adaptive phase lock loop system |
| 07/07/1992 | CA1304848C Method and apparatus for wideband transmission of digital signals between, for example, a telephone central office and customer premises |
| 07/07/1992 | CA1304792C Method and device for locking the regeneration instant in a digital transmission by means of a quadrature carrier modulation |
| 07/01/1992 | EP0491922A1 Antiblooming structure for solid-state image sensor |
| 07/01/1992 | EP0491840A1 Signal digitizing method and system |
| 07/01/1992 | EP0491806A1 Carrier modulation without sidebands |
| 07/01/1992 | CN2109025U Modulator demodulator |
| 07/01/1992 | CN1017297B Data transmission method and apparatus by period shift keying |
| 07/01/1992 | CN1017296B Ensemble modem structure for imperfect transmission media |
| 07/01/1992 | CN1017294B Soft decision decoding with channel equalization |
| 06/30/1992 | US5127046 Push/pull modem interface circuit |
| 06/30/1992 | US5127024 Conversion filtering for digital signaling systems |
| 06/30/1992 | US5126998 Method and apparatus for transmitting and receiving a carrier signal which is simultaneously frequency and phase modulated |
| 06/30/1992 | US5126698 Phase modulator operated in saturation and with small angle modulation |
| 06/30/1992 | US5126682 Demodulation method and apparatus incorporating charge coupled devices |
| 06/30/1992 | CA1304450C Circuit for recovering the carrier in digital transmission systems |
| 06/25/1992 | WO1992010899A1 Improved qam encoding |
| 06/25/1992 | WO1992008308A3 Stationary-phase angle modulator |
| 06/24/1992 | EP0491421A2 Coherent optical multichannel receiver |
| 06/24/1992 | EP0491403A2 Device for estimating the carrier frequency of a digital signal |
| 06/24/1992 | EP0476125A4 Treillis precoding for fractional bits/baud |
| 06/24/1992 | EP0471799A4 Time domain radio transmission system |
| 06/23/1992 | US5125100 Optimal signal synthesis for distortion cancelling multicarrier systems |
| 06/23/1992 | US5124979 Digital data transmission device for a composite transmission signal comprising a main data and a subdata signal |
| 06/23/1992 | US5124861 Digital signal magnetic recording and playback apparatus employing quadrature amplitude modulation |
| 06/23/1992 | US5124672 Combined analog/digital frequency modulator |
| 06/23/1992 | US5124665 Circuit for reducing distortion produced by an r.f. power amplifier |
| 06/22/1992 | WO1992011722A1 Method and apparatus for cancelling spread-spectrum noise |
| 06/22/1992 | WO1992011714A1 A differential quadrature psk receiver with a forward and reverse mode pll and decoder switches |
| 06/21/1992 | WO1992011708A1 Apparatus and method for equalizing a corrupted signal in a receiver |
| 06/21/1992 | WO1992011703A1 Apparatus and method of dc offset correction for a receiver |
| 06/21/1992 | CA2097694A1 Apparatus and method for equalizing a corrupted signal in a receiver |
| 06/20/1992 | WO1992011720A1 Multi-modulation scheme compatible radio |
| 06/17/1992 | EP0490552A2 Multiplexed coded modulation with unequal error protection |
| 06/17/1992 | EP0490551A2 Technique for compensating for intersymbol interference |
| 06/17/1992 | EP0489880A1 Maximal ratio diversity combining technique. |
| 06/17/1992 | CN1017116B Feature negotiation protocol and dynamically adjustable retracing sequence |
| 06/16/1992 | US5123031 Control voltage generator in a transmitter arrangement for digitally modulated signals |
| 06/16/1992 | US5122765 Direct microwave modulation and demodulation device |
| 06/16/1992 | US5122758 Differential phase demodulator for psk-modulated signals |
| 06/16/1992 | CA1303691C Carrier recovery phase-locked loop |
| 06/16/1992 | CA1303686C2 Subscriber unit for wireless digital telephone system |
| 06/16/1992 | CA1303679C Modulator and transmitter |
| 06/11/1992 | WO1992010043A1 Method for resetting the local oscillators of a receiver and device for implementing such method |
| 06/10/1992 | EP0489544A2 Switched impedance FSK modulator |
| 06/10/1992 | EP0489081A1 Gain/phase compensation for linear amplifier feedback loop |
| 06/09/1992 | US5121414 Carrier frequency offset equalization |
| 06/09/1992 | US5121412 All-digital quadrature modulator |
| 06/09/1992 | US5121391 Subscriber RF telephone system for providing multiple speech and/or data singals simultaneously over either a single or a plurality of RF channels |
| 06/09/1992 | US5121081 Output waveform control circuit |
| 06/09/1992 | US5121071 Lock detector for unbalanced QPSK demodulators |
| 06/09/1992 | US5121070 Phase demodulator for psk-modulated signals |
| 06/09/1992 | CA1303152C Phase demodulation device and its use in an mls |
| 06/09/1992 | CA1303140C Method for recovering a control signal for controlling the phase of a local carrier signal |
| 06/06/1992 | CA2054324A1 Fsk modulator |
| 06/03/1992 | EP0488624A2 A digital quadrature phase detection circuit |
| 06/03/1992 | EP0487874A2 Signal conditioner |
| 06/03/1992 | EP0487701A1 Signal acquisition |
| 06/02/1992 | US5119403 Communications device for transmitting |
| 06/02/1992 | US5119399 Quadrature measurement and calibration of a vector modulator |
| 06/02/1992 | US5119396 Binary phase shift keying modulation system |
| 06/02/1992 | US5119375 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
| 06/02/1992 | US5119042 Solid state power amplifier with dynamically adjusted operating point |
| 06/02/1992 | US5118924 Static control overlayers on opto-electronic devices |
| 05/31/1992 | CA2073777A1 Method for resetting the local oscillators of a receiver and device using said method |
| 05/29/1992 | WO1992009175A1 Method and apparatus for modulating and dectecting a subcarrier signal for an inductively coupled transponder |
| 05/27/1992 | EP0487376A1 Method and apparatus for modulation recognition |
| 05/27/1992 | EP0486865A1 Higher order phase locked loop |
| 05/27/1992 | EP0486839A2 Quasi-coherent MPSK demodulator |
| 05/27/1992 | EP0486729A1 Coded modulation for mobile radio |
| 05/27/1992 | EP0486667A1 Communication signal having a time domain pilot component |
| 05/27/1992 | EP0486554A1 Process and device for converting digitally modulated high-frequency reception signals. |
| 05/27/1992 | EP0351404B1 Process for timing synchronization |
| 05/26/1992 | US5117441 Method and apparatus for real-time demodulation of a GMSK signal by a non-coherent receiver |
| 05/26/1992 | US5117440 Digital quadrature phase detection |
| 05/26/1992 | US5117427 Communication system with concatenated coding error correction |
| 05/26/1992 | US5117369 DTMF receiver |
| 05/26/1992 | US5117195 Data referenced demodulation of multiphase modulated data |
| 05/26/1992 | CA1301864C Multilevel amplitude modulation and demodulation communication system |
| 05/26/1992 | CA1301846C Decoding of signals using cophase and differentiating signal detection |