| Patents for H03H 21 - Adaptive networks (3,855) |
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| 01/24/1995 | US5384853 Active noise reduction apparatus |
| 01/18/1995 | EP0634135A1 Device for filtering ECG signals |
| 01/17/1995 | US5382979 Method and circuit for adaptively selecting three-dimensional sub-band image signal |
| 01/11/1995 | EP0632947A1 Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization |
| 01/10/1995 | US5381448 Data receiving apparatus |
| 01/10/1995 | US5381357 Complex adaptive fir filter |
| 01/04/1995 | EP0632589A1 Method of calculating the weighting coefficients for an analytic digitizer for signal processing and analytic digitizer |
| 01/04/1995 | CN1027335C Signal weighting system for digital receiver |
| 12/28/1994 | EP0631414A1 Adaptive equalizer |
| 12/28/1994 | EP0631399A1 Method and apparatus for interference cancellation and adaptive equalisation in diversity reception |
| 12/28/1994 | EP0631383A2 Acoustic reproduction systems |
| 12/22/1994 | WO1994029956A1 Decision feedback equalizer method and apparatus |
| 12/22/1994 | CA2140356A1 Decision feedback equalizer method and apparatus |
| 12/21/1994 | EP0630108A2 A method of expanding the frequency range of a digital audio signal |
| 12/08/1994 | WO1994028499A1 Complex adaptive fir filter |
| 12/08/1994 | WO1994027787A1 Grinding tape and method of manufacturing the same |
| 12/07/1994 | EP0627136A1 Method and apparatus for ghost cancelling and/or equalizing. |
| 12/06/1994 | US5371789 Multi-channel echo cancellation with adaptive filters having selectable coefficient vectors |
| 12/06/1994 | US5371695 Method for automatically controlling the bandwidth of a digital filter and adaptive filter utilizing same |
| 11/30/1994 | EP0324029B1 Adaptive noise cancellation in a closed loop control system |
| 11/29/1994 | US5369673 Framed digital signal regenerator suitable for microwave digital transmission installations |
| 11/29/1994 | US5369668 Fast response matched filter receiver with decision feedback equalizer |
| 11/17/1994 | EP0624274A1 Active noise cancellation |
| 11/15/1994 | US5365594 Active sound and/or vibration control |
| 11/10/1994 | WO1994025961A1 Transmission system comprising at least a coder |
| 11/10/1994 | WO1994025960A1 Transmission system comprising at least a coder |
| 11/09/1994 | EP0623916A1 A method and apparatus for implementing a long-term synthesis filter |
| 11/09/1994 | EP0475984B1 Process for equalizing signals by means of test sequences |
| 11/08/1994 | US5363412 Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization |
| 11/02/1994 | EP0622899A1 Data converter with minimum phase fir filter and method for calculating filter coefficients |
| 11/02/1994 | EP0622798A2 Signal equalizer |
| 11/02/1994 | EP0622779A2 Multiple adaptive filter active noise canceller |
| 11/02/1994 | EP0622778A2 Non-integer sample delay active noise canceller |
| 11/01/1994 | US5361327 Waveform equalizer apparatus formed of neural network, and method of designing same |
| 10/27/1994 | WO1994024662A1 Method of calculating filter weights for compression wave cancellation systems |
| 10/26/1994 | EP0620956A1 Apparatus for reducing the risk of undesirable parameterdrift of an adaptive filter used for echo cancellation |
| 10/25/1994 | US5359628 Channel impulse response estimator for use in an adaptive maximum likelihood sequence estimation receiver which is applicable to a communication system having a channel characteristic with rapid fluctuation |
| 10/19/1994 | EP0620546A2 Energy detection procedure for noisy signals |
| 10/18/1994 | US5357251 Electronic filters, signal conversion apparatus, hearing aids and methods |
| 10/18/1994 | US5357144 Complementary logic circuit |
| 10/13/1994 | WO1994023495A1 Adaptive signal processing methods using information state models |
| 10/11/1994 | CA1332449C Echo compensator |
| 10/05/1994 | EP0618472A2 A scanner |
| 10/04/1994 | US5353312 Equalizer-based timing recovery |
| 10/04/1994 | US5353310 Data transmission system with reduced error propagation |
| 10/04/1994 | US5353306 Tap-weight controller for adaptive matched filter receiver |
| 09/28/1994 | EP0617521A2 Iterative equalisation of digital signals degraded by multipath fading |
| 09/27/1994 | US5351291 Adaptive echo cancellation method and device for implementing said method |
| 09/27/1994 | CA1332187C Echo canceller with short processing delay and decreased multiplication number |
| 09/20/1994 | CA2038653C Method for the determination of fir filter coefficients in equalizers |
| 09/15/1994 | WO1994021041A1 Digital time signal filtering method and device for transmission channel echo correction |
| 09/14/1994 | EP0615340A1 Low-delay subband adaptive filter |
| 09/14/1994 | EP0615224A2 A method of determining the sound transfer characteristic of an active noise control system |
| 09/01/1994 | WO1994019872A1 One-bit analog-to-digital converters and digital-to-analog converters using an adaptive filter having two regimes of operation |
| 09/01/1994 | WO1994019754A1 Method for adjusting an adaptive exponential filter |
| 09/01/1994 | CA2155519A1 Method for adjusting an adaptive exponential filter |
| 08/31/1994 | EP0613318A1 Microphone apparatus |
| 08/31/1994 | EP0612447A1 Adaptive filter. |
| 08/30/1994 | US5343496 Interference suppression in CDMA systems |
| 08/30/1994 | US5343335 Signal processing system having intersymbol-interference cancelling means and method of same |
| 08/30/1994 | US5343247 Filter circuit for preprocessing a video signal to be coded |
| 08/25/1994 | DE4405817A1 Automatic equaliser |
| 08/24/1994 | EP0612149A1 Method for adjusting an adaptive exponential filter and adaptive exponential filter |
| 08/24/1994 | EP0612148A2 Digital filtering circuit operable as a three-stage moving average filter |
| 08/23/1994 | CA2025370C Transversal type automatic equalizer with tap coefficient protection |
| 08/18/1994 | WO1994018752A1 Method and apparatus of adaptive maximum likelihood sequence estimation using a variable convergence step size |
| 08/18/1994 | WO1994017762A1 Improved method and system for on-line system identification |
| 08/17/1994 | EP0611089A2 Active acoustic control system matching model reference |
| 08/16/1994 | US5339264 Symmetric transposed FIR digital filter |
| 08/12/1994 | CA2115223A1 Active acoustic control system matching model reference |
| 08/10/1994 | EP0609828A2 Adaptive matched filter |
| 08/09/1994 | US5337366 Active control apparatus using adaptive digital filter |
| 08/03/1994 | EP0608665A1 Method of filtering high resolution digital signals and corresponding architecture of digital filter |
| 08/03/1994 | EP0608664A1 Method of filtering high resolution digital signals and corresponding architecture of digital filter |
| 07/27/1994 | EP0607393A1 Neural filter architecture for the non-linear, adaptative elimination of disturbing interferences |
| 07/26/1994 | US5333149 Process and a circuit for adapting coefficients in a modem equalizer |
| 07/20/1994 | EP0332655B1 Method and apparatus for equalization of data transmission system |
| 07/19/1994 | US5331663 Decision-feedback equalizer capable of producing an equalized signal at a high speed without a remaining fading |
| 07/19/1994 | US5331662 Adaptive equalization method reducing intersymbol interference, receive device implementing it and application thereof |
| 07/19/1994 | US5331416 Methods for operating ghost-cancelation circuitry for TV receiver or video recorder |
| 07/12/1994 | US5329587 Low-delay subband adaptive filter |
| 07/12/1994 | US5329472 Method and apparatus for controlling coefficients of adaptive filter |
| 07/07/1994 | WO1994015427A1 Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization |
| 07/06/1994 | EP0605281A1 Method of vectorial noise reduction in speech and device for performing said method |
| 07/05/1994 | US5327495 Apparatus and method for controlling an echo canceler |
| 07/05/1994 | US5327459 Semiconductor integrated circuit containing an automatic equalizer including a circuit for periodically updating a plurality of tap coefficients at varying frequencies |
| 07/05/1994 | US5327129 Accuracy bootstrapping |
| 06/29/1994 | EP0604208A2 Adaptive equalizer |
| 06/28/1994 | US5325319 Filtering a signal with the use of approximate arithmetical division |
| 06/21/1994 | US5323459 Multi-channel echo canceler |
| 06/21/1994 | US5323422 Adaptive receiver apparatus |
| 06/15/1994 | CN1088044A Methods for operating ghost-cancellation circuitry for TV receiver or video recorder |
| 06/15/1994 | CA2110540A1 Process and apparatus for extracting a useful signal having a finite spatial extension at all times and which is variable with time |
| 06/14/1994 | US5321723 Automatic equalizer |
| 06/08/1994 | EP0600739A2 Video ghost cancellation |
| 06/07/1994 | US5319674 Method for self-training adaptive equalization |
| 06/07/1994 | US5319585 High resolution filtering using low resolution processors |
| 05/25/1994 | EP0598347A2 Two stage accumulator for use in updating coefficients |
| 05/25/1994 | EP0597873A1 Process for compensating for quasi-periodic disturbances of measurement signals. |
| 05/24/1994 | US5315621 Adaptive nonrecursive digital filter and method for forming filter coefficients therefor |