| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 09/12/1995 | US5450447 In a radio communication receiver |
| 09/12/1995 | US5450446 Demodulator for digital modulation signals |
| 09/12/1995 | US5450444 For generating an amplitude modulation wave by converting a audio signal |
| 09/12/1995 | US5450438 Method for providing an autorate feature in a modern |
| 09/12/1995 | US5450086 Self-tuning receiver/decoder for frequency shift keying RF data transmission |
| 09/12/1995 | US5450044 Quadrature amplitude modulator including a digital amplitude modulator as a component thereof |
| 09/12/1995 | US5450043 Quadrature modulator with distortion compensation |
| 09/12/1995 | US5450032 FSK data demodulator using mixing of quadrature baseband signals |
| 09/12/1995 | CA2032414C Method and apparatus for decoding two frequency (f/2f) data signals |
| 09/10/1995 | CA2143243A1 Dpsk communicatons with doppler compensation |
| 09/08/1995 | WO1995024086A2 A multiple access digital transmission system and a radio base station and a receiver for use in such a system |
| 09/08/1995 | WO1995024079A1 Transmitter and receiver having charge-coupled-device based signal processing |
| 09/08/1995 | WO1995024074A1 Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions |
| 09/08/1995 | CA2184811A1 Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions |
| 09/08/1995 | CA2184064A1 Transmitter and receiver having charge-coupled-device based signal processing |
| 09/07/1995 | DE4407038A1 Digital signal transmission using pulse-amplitude modulator |
| 09/06/1995 | EP0670648A1 Method and apparatus for transmitting digital signals |
| 09/06/1995 | EP0670643A1 Method and circuit for digital frame synchronisation |
| 09/06/1995 | EP0670639A1 Reduced complexity MLSE receiver using modified tap weights and symbol derotation |
| 09/06/1995 | EP0670093A1 High speed fsk demodulator |
| 09/06/1995 | EP0669958A1 Mixtures of polymers of monoethylenically unsaturated dicarboxylic acids and polymers of ethylenically unsaturated monocarboxylic acids and/or polyaminocarboxylic acids, and the use of such mixtures |
| 09/06/1995 | EP0204745B2 Data modem system |
| 09/05/1995 | US5448774 Intermittent operation receiver |
| 09/05/1995 | US5448768 Aircraft data communication employing existing voice channels |
| 09/05/1995 | US5448601 Algorithm control method for blind equalization systems |
| 09/05/1995 | US5448596 All-digital method and apparatus for demodulating an analog signal |
| 09/05/1995 | US5448595 Automatic gain control circuit for a demodulation section of a modem |
| 09/05/1995 | US5448594 One bit differential detector with frequency offset compensation |
| 09/05/1995 | US5448592 Apparatus for modulating digital signals onto a carrier |
| 09/05/1995 | US5448590 Equalization technique for compensating for degradation to the transmission of digitally modulated signals |
| 09/05/1995 | US5448555 Simultaneous analog and digital communication |
| 09/05/1995 | US5448299 Apparatus for processing BPSK signals transmitted with NTSC TV on quadrature-phase video carrier |
| 09/05/1995 | US5448206 Systems with increased information rates using embedded sample modulation and predistortion equalization |
| 09/05/1995 | US5448203 Negative-feedback amplifier and feedback controlling method thereof |
| 09/05/1995 | US5448202 Sigma-delta FM demodulator |
| 09/05/1995 | US5448201 Clock recovery circuit in π/4 shift quadriphase PSK demodulator |
| 09/05/1995 | CA2054173C Digital radio receiver having amplitude limiter and logarithmic detector |
| 08/31/1995 | WO1995022884A2 Wideband square-law detector having a triangular frequency characteristic as well as a transmission system and a receiver including such a detector |
| 08/30/1995 | EP0669749A1 Noncompressed voice and data communication over modem for a computer-based multifunction personal communications system |
| 08/30/1995 | EP0669069A1 Device and method for utilizing zero-padding constellation switching with frame mapping |
| 08/30/1995 | EP0669068A1 Method and apparatus for operating with a hopping control channel in a communication system |
| 08/30/1995 | EP0669062A1 Mobile two-way communication system |
| 08/29/1995 | US5446918 Cable network and modulator-demondulator arrangement for such a network |
| 08/29/1995 | US5446771 Adaptive coherent signal detection method and apparatus |
| 08/29/1995 | US5446763 Apparatus and method for converting soft symbols into soft bits |
| 08/29/1995 | US5446762 Data demodulation circuit for FSK modulated RF signal receiver providing wide-band 90° baseband phase shifting |
| 08/29/1995 | US5446760 Programmable digital pulse shaping phase modulator |
| 08/29/1995 | US5446759 Information transmission system and method of operation |
| 08/29/1995 | US5446758 Device and method for precoding |
| 08/29/1995 | US5446466 Radio beacon phase modulator |
| 08/29/1995 | US5446421 Local oscillator phase noise cancelling modulation technique |
| 08/24/1995 | WO1995022859A1 A high-data-rate wireless local-area network |
| 08/24/1995 | DE4444203C1 Digital filtering of band-pass signals with phase-quadrature mixing |
| 08/24/1995 | DE19503576A1 Digitaler Empfänger und Empfangsverfahren für frequenzmodulierte Signale Digital receiver and receiving method for frequency-modulated signals |
| 08/23/1995 | EP0668683A1 Method and system for characterizing phase-modulated signals using a time interval analyzer |
| 08/23/1995 | EP0668682A1 System of convolutional coding and Viterbi decoding, transparent to phase shifts of pi and pi/2 |
| 08/23/1995 | EP0668679A2 OFDM system |
| 08/23/1995 | EP0668678A2 Orthogonal frequency division multiplexing (OFDM) system and method for data sequence transmission |
| 08/23/1995 | CN1029579C Apparatus and method of DC offset correction for receiver |
| 08/22/1995 | US5444744 Phase locked loop for synchronizing with carrier wave |
| 08/22/1995 | US5444737 Wireless data transceiver |
| 08/22/1995 | US5444712 Communication mode identification technique |
| 08/22/1995 | US5444697 Method and apparatus for frame synchronization in mobile OFDM data communication |
| 08/22/1995 | US5444420 Numerically controlled phase lock loop synthesizer/modulator and method |
| 08/22/1995 | US5444415 Modulation and demodulation of plural channels using analog and digital components |
| 08/17/1995 | WO1995022197A1 Adaptive system for self-tuning and selecting a carrier frequency in a radio frequency communication system |
| 08/17/1995 | WO1995022196A1 Continuous phase modulation device using a frequency synthesizer with a phase-locked loop |
| 08/17/1995 | CA2181792A1 Adaptive system for self-tuning and selecting a carrier frequency in a radio frequency communication system |
| 08/16/1995 | EP0667695A1 Radio information and communication system using multicarrier spread-spectrum transmission system |
| 08/16/1995 | EP0667682A2 Noise removing device and data communication apparatus using the same |
| 08/16/1995 | EP0667055A1 A method and apparatus for mitigating distortion effects in the determination of signal usability |
| 08/16/1995 | EP0434689B1 Synchronous receiver for minimum shift keying transmission |
| 08/16/1995 | CN1106971A Method for controlling determination direction calculation |
| 08/15/1995 | US5442696 Method and apparatus for detecting control signals |
| 08/15/1995 | US5442661 Path gain estimation in a receiver |
| 08/15/1995 | US5442656 Timing extraction device and data transmission device using the timing extraction device |
| 08/15/1995 | US5442655 DC cancellation and restoration in receiving apparatus |
| 08/15/1995 | US5442653 Signal transmitting and receiving apparatus |
| 08/15/1995 | US5442646 Subcarrier communication system |
| 08/15/1995 | US5442626 Digital communications system with symbol multiplexers |
| 08/15/1995 | US5442582 Transversal filter allrate equalizer for use at intermediate frequency |
| 08/10/1995 | WO1995021494A1 Method and apparatus for providing a communication link quality indication |
| 08/10/1995 | WO1995021493A1 Local oscillator phase noise cancelling modulation technique |
| 08/09/1995 | EP0666669A1 Dual-mode baseband controller for cordless telephones |
| 08/09/1995 | EP0666661A2 Method for identifying the transmission mode in a digital multi-channel transmission system |
| 08/09/1995 | EP0666659A2 Transmitting auxiliary information on a subcarrier of a broadcast transmission |
| 08/08/1995 | US5440589 Frequency offset dealing modulator and demodulator apparatus |
| 08/08/1995 | US5440587 Demodulator for digitally modulated wave |
| 08/08/1995 | US5440585 Applications of simultaneous analog and digital communication |
| 08/08/1995 | US5440582 Method and apparatus for determining signal usability |
| 08/08/1995 | US5440347 Method and apparatus for randomizing training sequences to minimize interference in digital transmissions |
| 08/08/1995 | US5440302 Apparatus for contactless data and energy transmission and systems containing the apparatus |
| 08/08/1995 | US5440269 Digital FM demodulator having an address circuit for a lookup table |
| 08/08/1995 | US5440268 AFC circuit for QPSK demodulator |
| 08/08/1995 | US5440267 Demodulator |
| 08/08/1995 | US5440266 Demodulating apparatus having quick pull-in synchronization facility at instantaneous disconnection of input signal |
| 08/08/1995 | US5440265 Differential/coherent digital demodulator operating at multiple symbol points |
| 08/08/1995 | US5440259 Frequency stabilizing circuit for a π/4 shift QPSK signal receivers |
| 08/03/1995 | WO1995020848A1 Digital transmission system |
| 08/03/1995 | WO1995020843A1 A demodulator for frequency shift keyed signals |