| Patents for H03H 21 - Adaptive networks (3,855) |
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| 08/04/1998 | US5790526 Bi-directional signal transmission system and adapter for such a system |
| 08/04/1998 | US5790440 Apparatus for estimating filter coefficients |
| 08/04/1998 | US5788635 Adaptive persistence processing |
| 07/22/1998 | EP0853844A1 Echo cancelling system for digital telephony applications |
| 07/22/1998 | CN1188547A Power spectral density estimation method and apparatus |
| 07/21/1998 | US5784419 For filtering an input signal and producing a filtered signal |
| 07/21/1998 | US5784304 Adaptively controlled filter |
| 07/15/1998 | EP0853382A2 Time spread root nyquist filter |
| 07/14/1998 | US5781463 Adaptive digital filter with high speed and high precision coefficient sequence generation |
| 07/14/1998 | US5781063 Continuous-time adaptive learning circuit |
| 07/07/1998 | US5778308 Adaptive antenna matching |
| 07/07/1998 | US5778055 System for, and method of, transmitting and receiving through telephone lines signals representing data |
| 07/07/1998 | US5777914 Technique for reducing power consumption in digital filters |
| 07/07/1998 | US5777913 Resolution enhancement of fixed point digital filters |
| 07/07/1998 | US5777692 Receiver based methods and devices for combating co-channel NTSC interference in digital transmission |
| 07/07/1998 | CA2138810C Method of and apparatus for identifying a system with adaptive filter |
| 06/30/1998 | US5774564 Active controller using lattice-type filter and active control method |
| 06/30/1998 | US5774470 Digital signal processor, error detection method, and recording medium reproducer |
| 06/30/1998 | US5774089 Method to resolve ambiguities in a phase measurement |
| 06/30/1998 | US5774085 Apparatus and method for obtaining proper output signal in which gain and DC component are regulated based upon on measured amplitude distribution |
| 06/30/1998 | US5772603 Device for filtering ECG signals |
| 06/30/1998 | CA2075051C Signal weighting system for digital receiver |
| 06/24/1998 | EP0848867A1 Adaptive digital filtering process in the frequency domain |
| 06/24/1998 | CN1185874A System and method for avoiding false convergence in the presence of tones in a time-domain echo cancellation process |
| 06/23/1998 | US5771294 Acoustic image localization apparatus for distributing tone color groups throughout sound field |
| 06/17/1998 | EP0848522A2 A generalized multimodulus technique for blind equalization |
| 06/17/1998 | EP0848307A1 Fuzzy filtering method and associated fuzzy filter |
| 06/16/1998 | US5768473 Adaptive speech filter |
| 06/16/1998 | US5768398 Signal amplification system with automatic equalizer |
| 06/16/1998 | US5768313 Adaptive equilizer |
| 06/16/1998 | US5768165 Digital time signal filtering method and device for transmission channel echo correction |
| 06/12/1998 | CA2219392A1 A generalized multimodulus technique for blind equalization |
| 06/09/1998 | US5764552 Method for adjusting an adaptive exponential filter |
| 06/09/1998 | CA2124709C Reduced speed equalizer |
| 06/03/1998 | EP0845891A2 A windowing technique for blind equalisation |
| 06/03/1998 | EP0845173A1 Circuit arrangement for influencing the frequency response of a digital audio signal |
| 06/02/1998 | US5761635 Method and apparatus for implementing a long-term synthesis filter |
| 06/02/1998 | US5761210 Signal processing apparatus and method |
| 06/02/1998 | US5760825 Sound pickup system comprising a video system for the setting of parameters and setting method |
| 05/27/1998 | EP0843933A2 Transmission of a digital information signal having a specific first sampling frequency |
| 05/27/1998 | CN1183182A Receiving method and a receiver |
| 05/26/1998 | USRE35809 Digital signal encoding with quantizing based on masking from multiple frequency bands |
| 05/26/1998 | US5758311 Vibration/noise active control system for vehicles |
| 05/26/1998 | US5757977 Fuzzy logic filter for reducing noise and sharpening edges of digital image signals |
| 05/26/1998 | US5757937 Acoustic noise suppressor |
| 05/26/1998 | US5757906 Method of canceling echoes and echo canceler |
| 05/26/1998 | US5757849 Timing recovery in a network-synchronized modem |
| 05/20/1998 | EP0843430A2 Technique for simultaneous transmission of analog frequency-modulated and digitally modulated signals using postcanceling method |
| 05/20/1998 | EP0842568A1 Adaptive despreader |
| 05/20/1998 | CN1182330A Echo Controlling apparatus of video conferencing system and control method using the same |
| 05/19/1998 | US5754665 Noise Canceler |
| 05/13/1998 | EP0841786A2 Technique for improving the blind convergence of an adaptive equalizer using a transition algorithm |
| 05/12/1998 | US5752229 Intelligent near-end speech detection |
| 05/12/1998 | US5751902 Adaptive prediction filter using block floating point format and minimal recursive recomputations |
| 05/12/1998 | US5751769 Programmable digital linear and nonlinear transversal equalizer |
| 05/08/1998 | CA2217093A1 Technique for improving the blind convergence of an adaptive equalizer using a transition algorithm |
| 05/06/1998 | EP0840466A2 Echo canceller control in a satellite communication system |
| 05/05/1998 | US5748748 Apparatus and method for influencing oscillations in the passenger compartment of a motor vehicle and apparatus and method for detecting defects in a motor vehicle |
| 05/05/1998 | US5748726 Echo canceller |
| 05/05/1998 | US5748673 Data receiving apparatus |
| 05/05/1998 | CA2097059C Viterbi equalizer for radio receiver |
| 04/30/1998 | DE19746258A1 Echosteuervorrichtung eines Videokonferenzsystems und zugehöriges Steuerverfahren Echo control device of a video conferencing system and related control method |
| 04/29/1998 | CN1180460A Echo canceller having kalman filter for optimal adaptation |
| 04/29/1998 | CN1180268A Efficient digital filter and method using coefficient precombining |
| 04/28/1998 | US5745580 Reduction of computational burden of adaptively updating control filter(s) in active systems |
| 04/28/1998 | US5745396 Pipelined adaptive IIR filter |
| 04/22/1998 | CN1179686A Method for carrying-out parameterization to receiving station with adapting aerial equipment |
| 04/16/1998 | WO1998016021A1 Signal processing apparatus employing the spectral property of the signal |
| 04/16/1998 | WO1998015901A1 System for dynamically adapting the length of a filter |
| 04/16/1998 | CA2268272A1 Signal processing apparatus employing the spectral property of the signal |
| 04/15/1998 | EP0624274B1 Active noise cancellation |
| 04/14/1998 | US5740242 Echo canceler |
| 04/08/1998 | EP0834079A1 A power spectral density estimation method and apparatus |
| 04/07/1998 | US5737410 Method for determining the location of echo in an echo canceller |
| 04/07/1998 | US5737409 Echo removing apparatus |
| 04/07/1998 | US5737408 Echo cancelling system suitable for voice conference |
| 04/02/1998 | DE19639414A1 Radio communications base station parameter setting method |
| 03/31/1998 | US5734715 Process and device for adaptive identification and adaptive echo canceller relating thereto |
| 03/31/1998 | US5734681 Process and system for transferring vector signal with precoding for signal power reduction |
| 03/31/1998 | US5734598 Low power filter coefficient adaptation circuit for digital adaptive filter |
| 03/31/1998 | US5734577 Adaptive IIR multitone detector |
| 03/31/1998 | CA2122107C Non-integer sample delay active noise canceller |
| 03/25/1998 | EP0831478A1 Data processing apparatus and methods |
| 03/24/1998 | US5732112 Channel training of multi-channel receiver system |
| 03/18/1998 | EP0829147A1 System and method for avoiding false convergence in the presence of tones in a time-domain echo cancellation process |
| 03/12/1998 | DE19635271A1 Channel coefficients estimation method for mobile communications |
| 03/11/1998 | EP0827644A1 Receiving method and a receiver |
| 03/10/1998 | US5727073 Noise cancelling method and noise canceller with variable step size based on SNR |
| 03/10/1998 | US5727032 Method and device for estimating transmitted signals in a receiver in digital signal transmission operations |
| 03/05/1998 | WO1998009477A1 Signal correcting device, signal correcting method, and coefficient adjusting device and coefficient adjusting method for signal correcting device |
| 03/03/1998 | US5724657 Adaptive frequency correction burst detector for GSM handset system |
| 03/03/1998 | US5724485 Adaptive cross correlator apparatus comprising adaptive controller for adaptively adjusting transfer functions of two filters |
| 03/03/1998 | US5724395 Method and apparatus for filtering digital signals |
| 03/03/1998 | US5724390 MLSE before derotation and after derotation |
| 02/26/1998 | WO1998008167A1 Signal processing method using a finite-dimensional filter |
| 02/25/1998 | EP0824798A1 Adaptive sub-band filtering |
| 02/24/1998 | US5721772 Subband acoustic echo canceller |
| 02/24/1998 | US5721694 Non-linear deterministic stochastic filtering method and system |
| 02/19/1998 | WO1997050186A3 System and method for adaptive interference cancelling |
| 02/12/1998 | WO1998006185A1 Echo cancelling system for digital telephony applications |