Patents
Sitemap › H03 - Basic electronic circuitry › H03H - Impedance networks, e.g. resonant circuits; Resonators › H03H 17 - Networks using digital techniques
Patents for H03H 17 - Networks using digital techniques (9,654)
10/1996
10/29/1996US5570308 Method of processing digital audio signals of different sampling rates
10/29/1996US5570305 Apparatus for processing an input signal
10/29/1996CA2156001A1 Initial phase-loading circuit for a fractionally-spaced linear equalizer
10/24/1996WO1996028889A3 Digital phase-locked loop utilizing a high order sigma-delta modulator
10/24/1996DE19514695C1 Verfahren zum Durchführen von Distanzmessungen an einer elektrischen Hochspannungsübertragungsleitung A method for performing distance measurement at a high voltage electrical transmission line
10/22/1996US5568558 Adaptive noise cancellation device
10/22/1996US5568524 Filter device comprising a recursive filter unit, method of filtering, and transmission system comprising such a filter device
10/22/1996US5568142 System for converting a signal between continuous-time and discrete-time
10/17/1996WO1996032653A1 Method of measuring distances along a high-tension power-transmission line
10/17/1996DE19513988A1 Band limited analogue bit pattern reproduction on digital plane
10/15/1996US5566167 Subband echo canceler
10/15/1996US5566103 Optical system having an analog image memory, an analog refresh circuit, and analog converters
10/15/1996US5566101 Method and apparatus for a finite impulse response filter processor
10/15/1996US5566093 Sensor with resonator, digital filter, and display
10/09/1996EP0736235A1 Method for determining the location of echo in an echo cancellar
10/09/1996CN1132972A Linear prediction filter coefficient quantizer and filter set
10/09/1996CN1132969A Rapid-update adaptive channel-equalization filtering for digital radio receivers, such as HDTV receivers
10/08/1996US5563954 Microphone apparatus
10/08/1996US5563919 High-throughput digital filtering method and apparatus for performing the method
10/08/1996US5563911 Equalizer for data receiver apparatus
10/08/1996US5563888 Carrier offset tracking for a receiver using channel impulse response
10/08/1996US5563816 High-resolution digital filter
10/08/1996US5563812 Filter device including analog and digital circuitry
10/08/1996US5563532 Double filtering glitch eater for elimination of noise from signals on a SCSI bus
10/03/1996WO1996031001A1 Digital filter
10/02/1996EP0735770A2 Signal processing apparatus
10/02/1996EP0735708A2 Object code allocation in mutiple processor systems for digital audio mixing console
10/02/1996EP0735699A2 Speech signal processing circuit for decoding coded speech signal and speech signal processing method therefor
10/02/1996EP0735674A2 Method and apparatus for adaptive filtering
10/02/1996EP0735673A1 Digital filter
10/02/1996EP0484383B1 Digital filter and method of design
10/02/1996DE19511148A1 Digitales Filter Digital filter
10/01/1996US5561616 Fir filter based upon squaring
10/01/1996US5561424 Data converter with minimum phase fir filter and method for calculating filter coefficients
10/01/1996CA2171778A1 Method and apparatus for adaptive filtering
10/01/1996CA2051147C Echo canceller using impulse response estimating method
09/1996
09/25/1996EP0734133A1 Equalisation system for multicarrier receiver
09/25/1996EP0734018A2 Audio data processing apparatus
09/25/1996EP0734013A2 Determination of an excitation vector in a CELP coder
09/24/1996US5559834 Method of reducing crosstalk in processing of acoustic or optical signals
09/24/1996US5559792 Sound modification for use in simultaneous voice and data communications
09/24/1996US5559513 Digital sampling rate converter
09/19/1996WO1996028953A1 Signal quality determining device and method
09/19/1996WO1996028952A1 Signal quality determining device and method
09/19/1996WO1996028950A1 Signal quality determining device and method
09/19/1996WO1996028889A2 Digital phase-locked loop utilizing a high order sigma-delta modulator
09/19/1996WO1996028095A1 Imaging system display processor
09/19/1996DE19509149A1 Audio signal coding for data compression factor
09/18/1996EP0732809A1 Digital filter device
09/18/1996EP0732807A2 Controllable filter arrangement
09/18/1996EP0667066B1 Echo compensation device
09/17/1996US5557632 Demodulation and roll-off filter apparatus
09/17/1996US5557563 Data processing method and apparatus including iterative multiplier
09/17/1996US5557560 Apparatus and method for pulse compression and pulse generation
09/12/1996WO1996027830A1 Efficient median filter and method therefor
09/11/1996EP0731449A2 Method for the modification of PLC coefficients of acoustic signals
09/11/1996EP0639261B1 Method for fast kalman filtering in large dynamic systems
09/11/1996EP0524258B1 Noise cancellation arrangement
09/11/1996CN1130837A Blind multipath correction for digital communication channel
09/10/1996US5555272 Signal processing device using several different filterings, especially for audio-frequency coding of voice signals
09/04/1996EP0730363A1 Method and device for receiving multiple bit rates by unique filtering for interpolation and adaption
09/04/1996CN1130330A Composite wave filter
09/03/1996US5553154 Vehicle internal noise reduction system and the method thereof
09/03/1996US5553153 Method and system for on-line system identification
09/03/1996US5553014 Adaptive finite impulse response filtering method and apparatus
09/03/1996US5553013 For generating an output value time delayed from a time-varying input value
09/03/1996US5552785 Digital phase-locked loop utilizing a high order sigma-delta modulator
09/03/1996CA2170568A1 Multirate reception device and process using a single interpolation and adaptation filter
08/1996
08/28/1996EP0729288A2 Noise canceler
08/28/1996EP0729254A2 Fractionally spaced equalizing circuits and method
08/28/1996EP0729228A1 Basic cell for programmable analog time continuous filter
08/28/1996CN1129866A Signal processing method and apparatus thereof
08/27/1996US5550935 Method for multiframe Wiener restoration of noisy and blurred image sequences
08/27/1996US5550924 Reduction of background noise for speech enhancement
08/27/1996US5550764 Image filtering with an efficient implementation of high order decimation digital filters
08/27/1996CA2036175C Control signal spreader
08/25/1996CA2170195A1 Fractionally spaced equalizing circuits and method
08/22/1996WO1996025793A1 Combination d/a converter and fir filter utilizing active current division and method
08/22/1996WO1996025093A1 Systems and methods for filtering signals derived from biological events
08/21/1996EP0727874A1 Frequency separation of image data
08/20/1996US5548642 Optimization of adaptive filter tap settings for subband acoustic echo cancelers in teleconferencing
08/20/1996US5548570 Optical reproducing circuit having, a binarized signal pulse compensation circuit
08/20/1996US5548543 Computationally efficient linear-phase finite impulse response filter
08/20/1996US5548542 Half-band filter and method
08/20/1996US5548541 Finite impulse response filter for modulator in digital data transmission system
08/20/1996US5548540 Decimation filter having a selectable decimation ratio
08/14/1996EP0726000A1 Wideband fft channelizer
08/14/1996DE19541853C1 Multiple utilisation circuit for transversal digital filter
08/13/1996US5546460 Echo compensation device and 4/2-wire interface having such an echo compensation device
08/13/1996US5546431 Programmable digital filter with substantially equal bandwidth increments
08/08/1996WO1996024127A1 Adaptive speech filter
08/07/1996EP0724714A1 Vortex flowmeter electronics
08/06/1996US5544278 Pitch post-filter
08/06/1996US5544081 Output filter for oversampling digital-to-analog converter
08/06/1996US5543860 Video signal processing circuit using adaptive control
08/01/1996WO1996023353A1 Finite impulse response filter
07/1996
07/31/1996EP0724262A2 Class 4 partial response using peak sampling
07/30/1996US5541866 Device for correcting frequency characteristic of sound field
07/30/1996US5541864 Arithmetic-free digital interpolation filter architecture
07/23/1996CA2078049C Decision-feedback equalizer capable of producing an equalized signal at a high speed without a remaining fading
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