| Patents for H03H 21 - Adaptive networks (3,855) |
|---|
| 05/24/1994 | CA1329834C Selective active cancellation system for repetitive phenomena |
| 05/18/1994 | EP0597317A1 Channel impulse response estimator for a viterbi equalizer |
| 05/17/1994 | US5313412 Oversampling type finite impulse responsive filter |
| 05/17/1994 | CA1329651C Signal spreader |
| 05/11/1994 | WO1994010789A1 Apparatus and method for controlling an echo canceler |
| 05/11/1994 | WO1994010760A1 Echo compensation device |
| 05/11/1994 | EP0596662A2 Noise shaping circuit and noise shaping method |
| 05/11/1994 | EP0596563A1 Filter device to carry out a least squares method using rotation matrixes |
| 05/11/1994 | CA2147867A1 Echo compensation device |
| 05/10/1994 | US5311446 Signal processing system for sensing a periodic signal in the presence of another interfering signal |
| 05/10/1994 | US5311314 Method of and arrangement for suppressing noise in a digital signal |
| 05/05/1994 | DE4290581C2 Signalwichtungssystem für einen Digitalempfänger Signal weighting system for a digital receiver |
| 04/28/1994 | WO1994009564A1 Digital equalization in optical recording systems |
| 04/28/1994 | DE4236272A1 Echokompensationsvorrichtung und 4/2-Drahtschnittstelle mit einer solchen Echokompensationsvorrichtung Echo compensation device, and 4/2-wire interface with such echo compensation device |
| 04/26/1994 | US5307375 Two stage accumulator for use in updating coefficients |
| 04/26/1994 | US5307374 Digital receiver with reduced memory requirement for Viterbi equalization |
| 04/12/1994 | US5303264 Adaptive equalizer using recursive least-squares algorithm and method therefor |
| 04/12/1994 | US5303263 Transmission channel characteristic equalizer |
| 04/12/1994 | US5303226 Reception of TDMA digital data signal with compensation for channel variations |
| 04/12/1994 | US5303177 Method and device for performing an approximate arithmetical division |
| 04/12/1994 | US5303173 Adaptive digital filter, and method of renewing coefficients thereof |
| 04/06/1994 | EP0590846A2 Image processor for target detection and tracking |
| 04/05/1994 | US5301135 Adaptive filter based on a recursive delay line |
| 03/31/1994 | WO1994007308A1 Adaptive filter |
| 03/31/1994 | DE4333157A1 Active vibration damping system for motor vehicle - with suppression stage in vibration generator drive control responsive to detected parameter level |
| 03/30/1994 | EP0589768A1 Filter apparatus for sequence estimation equaliser |
| 03/30/1994 | EP0589767A1 Method for determining the transmittance of a filter circuit for transforming a filter impulse response in a minimum phase response and filter circuit using this method |
| 03/26/1994 | CA2106702A1 Filtering device for a sequence estimation equalizer |
| 03/24/1994 | DE4231309A1 Non-decimated to decimated switchable equalisation filter - has two filter parts whose coefficients are changed to change filter mode of operation by coefficient readjusting circuit. |
| 03/23/1994 | EP0588526A1 A method of and system for noise suppression |
| 03/23/1994 | EP0588161A2 Adaptive equalizer method and apparatus |
| 03/22/1994 | US5297166 Method and apparatus for decision feedback equalization with reduced convergence time |
| 03/17/1994 | WO1994006233A1 Combined equalizer and roll-off filter |
| 03/17/1994 | WO1994001981A3 Adaptive audio systems and sound reproduction systems |
| 03/17/1994 | DE4326487A1 Adaptives Filter An adaptive filter |
| 03/15/1994 | US5295192 Electronic noise attenuation method and apparatus for use in effecting such method |
| 03/15/1994 | US5295159 Coordinated coding for digital transmission |
| 03/15/1994 | US5295130 Apparatus and method for signal reproduction |
| 03/09/1994 | EP0585237A1 Dynamical system analyser |
| 03/08/1994 | US5293425 Active noise reducing |
| 03/08/1994 | US5293401 Equalizer for linear modulated signal |
| 03/03/1994 | WO1994005080A1 Neural filter architecture for the non-linear, adaptative elimination of disturbing interferences |
| 03/03/1994 | WO1994005006A1 Method and apparatus for attenuating an unwanted signal in a mix of signals |
| 03/03/1994 | WO1994004980A1 Multiple interacting dve algorithm |
| 03/03/1994 | CA2142014A1 Multiple interacting dve algorithm |
| 03/02/1994 | EP0585095A2 Signal processing system having intersymbol-interference cancelling means and method of same |
| 03/01/1994 | US5291522 Device and method for estimating sampled value of impulse response and signal reproduction system using the device |
| 03/01/1994 | US5291499 Method and apparatus for reduced-complexity viterbi-type sequence detectors |
| 03/01/1994 | US5291278 Luminance/chrominance separator including cross-talk reducing function |
| 02/23/1994 | EP0583927A1 Dynamically adaptive equalizer system and method |
| 02/22/1994 | US5289539 Echo canceller using impulse response estimating method |
| 02/15/1994 | US5287406 Hybrid circuit having a two-wire/four-wire converting function |
| 02/10/1994 | DE4326746A1 Stereo loudspeaker vol. control equipment responsive to ambient noise - provides feedback from both audio channel amplifiers via adaptive digital filters for subtraction from noise microphone signal |
| 02/08/1994 | US5285473 System to generate switching criteria and equalize adaptively in data spectrum |
| 02/08/1994 | US5285280 Division method and system for ghost cancellation |
| 02/03/1994 | WO1994002991A1 Method for channel estimation using individual adaptation |
| 02/02/1994 | EP0581262A1 Auditory prosthesis for adaptively filtering selected auditory component by user activation and method for doing same |
| 02/02/1994 | EP0581261A1 Auditory prosthesis with user-controlled feedback |
| 02/01/1994 | US5283814 Apparatus for processing digital signal |
| 02/01/1994 | US5283813 Methods and apparatus particularly useful for blind deconvolution |
| 02/01/1994 | US5283811 Decision feedback equalization for digital cellular radio |
| 01/30/1994 | CA2100015A1 Auditory prosthesis with user-controlled feedback cancellation |
| 01/25/1994 | US5282225 Adaptive blind channel equalizer system |
| 01/25/1994 | US5282155 Adaptive digital filter architecture for parallel output/update computations |
| 01/20/1994 | WO1994001981A2 Adaptive audio systems and sound reproduction systems |
| 01/20/1994 | WO1994001932A1 Signal processing |
| 01/20/1994 | WO1994001827A1 Adaptive canceller filter module |
| 01/20/1994 | CA2138804A1 Signal processing |
| 01/19/1994 | EP0579152A1 Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adapted filtering |
| 01/18/1994 | US5280525 Adaptive frequency dependent compensation for telecommunications channels |
| 01/18/1994 | CA1326285C Electronic filters, hearing aids and methods |
| 01/14/1994 | CA2098679A1 Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adaptive filtering |
| 01/12/1994 | EP0578212A2 Active control apparatus with an adaptive digital filter |
| 01/12/1994 | EP0577901A1 Adaptive equalization system and method |
| 01/11/1994 | US5278780 System using plurality of adaptive digital filters |
| 01/11/1994 | US5278777 Efficient cancelling of AC line interference in electronic instrumentation |
| 01/04/1994 | US5276707 Method for optimizing an adaptive filter update coefficient |
| 12/28/1993 | US5274670 Method of equalization in digital mobile communication with improved tracking ability |
| 12/28/1993 | US5274669 Signal equalizing method employing test sequences |
| 12/21/1993 | US5272727 Adaptive maximum likelihood sequence estimator using channel estimators of respective order of impulse response |
| 12/21/1993 | US5272695 Subband echo canceller with adjustable coefficients using a series of step sizes |
| 12/21/1993 | US5272663 Apparatus and method for wide bandwidth adaptive filtering |
| 12/21/1993 | US5272656 System and method of producing adaptive FIR digital filter with non-linear frequency resolution |
| 12/21/1993 | US5272533 Image control apparatus for a television receiver |
| 12/09/1993 | DE4318529A1 Application of sec. audio signal for noise suppression in prim. audio signal - filtering sec. signal according to set of coeffts. to generate determined noise signal |
| 12/07/1993 | US5268848 Equalizer adjustment for partial-response maximum-likelihood disk drive systems |
| 12/01/1993 | EP0571919A1 Demodulating apparatus using transversal equalizer and decision feedback type equalizer |
| 11/30/1993 | US5267266 Fast converging adaptive equalizer using pilot adaptive filters |
| 11/30/1993 | US5267265 Decision feedback equalizer with expansion and decision circuit |
| 11/30/1993 | US5267041 Ghost cancelling circuit |
| 11/16/1993 | US5263052 Viterbi equalizer for radio receiver |
| 11/16/1993 | US5263026 Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver |
| 11/10/1993 | EP0569216A1 Microphone apparatus |
| 11/09/1993 | US5260896 Adaptive filter and a method of preventing divergent behavior of the adaptive filter |
| 11/03/1993 | EP0568429A1 Regenerator for digital framed signals, useful in particular in digital transmission equipment for radio waves |
| 11/02/1993 | US5259033 Hearing aid having compensation for acoustic feedback |
| 11/02/1993 | US5258940 Distributed arithmetic digital filter in a partial-response maximum-likelihood disk drive system |
| 10/29/1993 | CA2094994A1 Frame digital signal regenerator, particularly for a microwave digital communications installation |
| 10/28/1993 | WO1993021710A1 Coordinated coding for digital transmission |
| 10/28/1993 | WO1993021695A1 A method for avoiding self-oscillation in conjunction with echo cancellation |