| Patents for H03H 17 - Networks using digital techniques (9,654) |
|---|
| 04/13/1994 | EP0591970A2 Approximating sample rate conversion system |
| 04/13/1994 | CN1085374A Fir filter apparatus for processing of time division multiplexed signals |
| 04/12/1994 | US5303374 Apparatus for processing digital audio signal |
| 04/12/1994 | US5303264 Adaptive equalizer using recursive least-squares algorithm and method therefor |
| 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 | US5301205 Apparatus and method for data compression using signal-weighted quantizing bit allocation |
| 04/05/1994 | US5301134 Digital filter circuit for use in oversampling type analog/digital converter |
| 03/31/1994 | WO1994007308A1 Adaptive filter |
| 03/31/1994 | WO1994007303A1 Variable point sampling |
| 03/31/1994 | WO1994007212A1 Sampled-data filter with low delay |
| 03/31/1994 | WO1994007208A2 Selectively configurable integrated circuit device for performing multiple digital signal processing functions |
| 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 |
| 03/30/1994 | EP0589655A1 Method and apparatus for debouncing signals |
| 03/30/1994 | EP0589220A2 Intra-frame filter for video compression systems |
| 03/29/1994 | US5297557 Stress test system with bidirectional filter |
| 03/26/1994 | CA2106702A1 Filtering device for a sequence estimation equalizer |
| 03/25/1994 | CA2100003A1 Intra-frame filter for video compression systems |
| 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 | EP0588352A1 Sampling frequency converter |
| 03/23/1994 | EP0588181A1 Method and apparatus for noise reduction |
| 03/23/1994 | EP0588161A2 Adaptive equalizer method and apparatus |
| 03/23/1994 | EP0587733A1 Low computational-complexity digital filter bank. |
| 03/22/1994 | US5297236 Low computational-complexity digital filter bank for encoder, decoder, and encoder/decoder |
| 03/22/1994 | US5297074 Roll-off filter apparatus |
| 03/22/1994 | US5297069 System for calculating output data points |
| 03/22/1994 | US5296937 Diagnostic X-ray apparatus |
| 03/17/1994 | WO1994006233A1 Combined equalizer and roll-off 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 |
| 03/15/1994 | US5294841 Method of shifting the phase of an electrical signal and a phase-shifter based on this method |
| 03/10/1994 | DE4330425A1 Measuring frequency of time varying electronic signal - dividing input signal into several simultaneous signals, sampling simultaneously at different frequencies, generating DFT-coded signals and forming into known radix representation of frequency |
| 03/10/1994 | DE4327083A1 Filter coefficient conversion system for digital filter processing biological signals - has transmission function processors coupled to coefficient bank table and to evaluation stage generating filter bank of new coefficients. |
| 03/09/1994 | EP0585434A1 Filtering method and device for reducing digital audio signal pre-echoes |
| 03/08/1994 | US5293611 Digital signal processor utilizing a multiply-and-add function for digital filter realization |
| 03/08/1994 | US5293401 Equalizer for linear modulated signal |
| 03/08/1994 | US5293382 Method for FDMA signal multiplexing and demultiplexing |
| 03/08/1994 | US5293329 Apparatus for and method of digital signal processing |
| 03/03/1994 | WO1994005089A1 A bandpass decimation filter suitable for multiple protocols |
| 03/03/1994 | WO1994004934A1 Method for measuring frequency modulation rate characteristics for a swept frequency signal |
| 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 |
| 03/01/1994 | US5291200 Method for measuring frequency modulation rate characteristics for a swept frequency signal |
| 02/23/1994 | EP0583927A1 Dynamically adaptive equalizer system and method |
| 02/22/1994 | US5289539 Echo canceller using impulse response estimating method |
| 02/22/1994 | US5289395 Signal processing method employing a digital filter |
| 02/17/1994 | WO1994003973A1 Digital audio synchroniser |
| 02/16/1994 | EP0367803B1 Noise reduction |
| 02/15/1994 | US5287406 Hybrid circuit having a two-wire/four-wire converting function |
| 02/15/1994 | US5287299 Method and apparatus for implementing a digital filter employing coefficients expressed as sums of 2 to an integer power |
| 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 | US5285401 Method and apparatus for converting scanning values of an input scanning sequence |
| 02/08/1994 | US5285280 Division method and system for ghost cancellation |
| 02/08/1994 | US5285165 Noise elimination method |
| 02/03/1994 | DE4224842A1 Compound filter assembly with adjustable, transversal, digital filter - has control computer for computing filter coeffts. according to given filter parameters and preset number of filter coeffts.. |
| 02/02/1994 | EP0581522A1 Fir filter apparatus for processing of time division multiplexed signals |
| 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 |
| 02/02/1994 | EP0580924A1 Digital filter device |
| 02/01/1994 | US5283813 Methods and apparatus particularly useful for blind deconvolution |
| 01/30/1994 | CA2100015A1 Auditory prosthesis with user-controlled feedback cancellation |
| 01/26/1994 | EP0580224A2 Anti-reflection circuit for video and teletext signals with subdivision of the global filter in a plurality of filters with a reduced number of coefficients |
| 01/25/1994 | US5282275 Address processor for a signal processor |
| 01/25/1994 | US5282154 System for determining and repairing instability in an IIR filter suitable for use in deghosting apparatus |
| 01/20/1994 | WO1994001933A1 Digital filter having high accuracy and efficiency |
| 01/20/1994 | WO1994001932A1 Signal processing |
| 01/20/1994 | CA2138804A1 Signal processing |
| 01/19/1994 | EP0579152A1 Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adapted filtering |
| 01/19/1994 | EP0374214B1 Variable rate rectangular matched filter |
| 01/18/1994 | US5280525 Adaptive frequency dependent compensation for telecommunications channels |
| 01/18/1994 | US5280343 Separable subsampling of digital image data with general periodic symmetry |
| 01/18/1994 | US5280255 Input-weighted transversal filter |
| 01/14/1994 | CA2098679A1 Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adaptive filtering |
| 01/12/1994 | EP0577902A1 Decimation filter for a sigma-delta converter and A/D converter using the same |
| 01/12/1994 | EP0577901A1 Adaptive equalization system and method |
| 01/11/1994 | US5278872 System and circuit architecture for echo cancellation and a television receiver comprising same |
| 01/11/1994 | US5278780 System using plurality of adaptive digital filters |
| 01/06/1994 | WO1994000821A2 High-speed processing apparatus and method, signal analyzing system, and measurement apparatus and method |
| 01/05/1994 | CN1080451A Digital-to-analog converter distortion compensation |
| 01/04/1994 | US5276707 Method for optimizing an adaptive filter update coefficient |
| 01/04/1994 | US5276516 Ghost canceling apparatus utilizing forward and reverse fourier transform processing |
| 12/29/1993 | EP0576215A1 Rate converter for converting data rate |
| 12/29/1993 | EP0576081A1 Non-integral delay circuit |
| 12/29/1993 | EP0575691A2 Compact phase recovery scheme using digital circuits |
| 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 |
| 12/28/1993 | US5274469 Sample rate converter circuit for image data |
| 12/28/1993 | US5274372 Sampling rate conversion using polyphase filters with interpolation |
| 12/22/1993 | EP0575071A2 A/D converter |
| 12/22/1993 | EP0574400A1 A method to reduce the power consumation of a digital filter bank by reducing the number of multiplications. |
| 12/22/1993 | CN1023280C Digital transmission system using subband coding of digital signal |
| 12/21/1993 | US5272655 Sample rate converting filter |
| 12/21/1993 | US5272533 Image control apparatus for a television receiver |
| 12/15/1993 | EP0573807A2 Zero power transmission line terminator |