| Patents for H03H 17 - Networks using digital techniques (9,654) |
|---|
| 11/13/1991 | CN1014760B Digital decimation filter |
| 11/08/1991 | CA2039793A1 Apparatus for conditioning a signal parameter |
| 11/05/1991 | US5063580 Apparatus for conditioning a control signal |
| 10/31/1991 | WO1991016769A1 Adaptive-block-length, adaptive-transform, and adaptive-window transform coder, decoder, and encoder/decoder for high-quality audio |
| 10/31/1991 | WO1991015995A1 Noise cancellation arrangement |
| 10/30/1991 | EP0454050A2 Integrated circuit device for processing signals |
| 10/30/1991 | EP0453686A1 Time base conversion circuit |
| 10/30/1991 | EP0453582A1 Median filter |
| 10/30/1991 | EP0453558A1 A high speed interpolation filter for television standards conversion. |
| 10/30/1991 | CN1055830A Adaptive-block-lenght, adaptive-transform, and adaptive-window transform coder, decoder, and encoder/decoder for high-quality audio |
| 10/30/1991 | CN1014575B Adjustable echo compensator |
| 10/29/1991 | US5061925 Phase equalization system for a digital-to-analog converter utilizing separate digital and analog sections |
| 10/29/1991 | CA1291540C Recursive noise-reducer |
| 10/23/1991 | EP0453282A2 Digital subband encoding apparatus |
| 10/23/1991 | EP0453123A1 A signal processor |
| 10/23/1991 | EP0452797A2 Kalman filter |
| 10/22/1991 | US5060180 Programmable digital loop filter |
| 10/22/1991 | US5060088 Adaptive equalization for recording systems using partial-response signaling |
| 10/22/1991 | CA1291279C Filter bank |
| 10/22/1991 | CA1291222C Adaptive-filter single-bit digital encoder and decoder and adaptation control circuit responsive to bit-stream loading |
| 10/15/1991 | US5058139 Notch filter for digital transmission system |
| 10/15/1991 | US5058130 Jitter equalizer for digital transmission filter |
| 10/15/1991 | US5058047 System and method for providing digital filter coefficients |
| 10/15/1991 | US5057911 System and method for conversion of digital video signals |
| 10/15/1991 | US5057786 Quadrature amplitude modulation wave demodulator provided with band-pass filters for fixed equalizer |
| 10/09/1991 | EP0450817A2 Digital phase detector arrangements |
| 10/09/1991 | EP0450335A1 Digital interpolation circuitry |
| 10/09/1991 | EP0450260A1 Digital signal filter circuit |
| 10/09/1991 | CN1014288B Adaptive digital filter including non-recursive part and recursive part |
| 10/08/1991 | US5056116 Data demodulation apparatus |
| 10/08/1991 | CA1290458C Bit-serial integrator circuitry |
| 10/02/1991 | EP0449682A1 A sampling frequency conversion filter |
| 10/02/1991 | EP0448758A1 Method for the determination of FIR filter coefficients in equalizers |
| 10/02/1991 | EP0448754A1 Two-wire-four-wire converter |
| 10/02/1991 | EP0448753A1 Two-wire-four-wire converter |
| 10/02/1991 | EP0448742A1 Adaptive recursive digital filter |
| 10/01/1991 | US5053984 Memory for programmable digital filter |
| 10/01/1991 | US5053983 Filter system having an adaptive control for updating filter samples |
| 09/25/1991 | EP0448352A2 Transversal equalizer |
| 09/25/1991 | EP0448121A2 Electronic noise attenuation method and apparatus for use in effecting such method |
| 09/25/1991 | EP0259458B1 Optimal parametric signal processor with lattice basic cell |
| 09/24/1991 | US5051981 Digital filtering |
| 09/24/1991 | US5051942 Method and apparatus for calculating filter factors |
| 09/24/1991 | US5051751 Method of Kalman filtering for estimating the position and velocity of a tracked object |
| 09/24/1991 | US5050474 Analog signal synthesizer in PCM |
| 09/20/1991 | CA2038460A1 Transversal equalizer |
| 09/19/1991 | WO1991014310A1 Apparatus for and method of digital signal processing |
| 09/18/1991 | EP0447244A2 Table lookup multiplier |
| 09/18/1991 | EP0447234A2 Data compression and decompression system and method |
| 09/17/1991 | CA1289256C Optimal parametric signal processor for least squares finite impulse response filtering |
| 09/17/1991 | CA1289198C Line equalizer |
| 09/15/1991 | CA2038131A1 System for compression and decompression of video data using discrete cosine transform and coding techniques |
| 09/11/1991 | EP0446053A2 Logical comb filters |
| 09/11/1991 | EP0445335A1 Device and method for increasing the clock rate of a fir filter |
| 09/10/1991 | US5048055 Multi-data rate selectable equalizer |
| 09/10/1991 | US5047972 Digital signal processor with memory having data shift function |
| 09/10/1991 | US5047969 General network modeling and synthesis |
| 09/10/1991 | CA1288827C Digital filter tree |
| 09/10/1991 | CA1288826C Circuit for cancelling whole or part of a waveform using nonrecursive and recursive filters |
| 09/04/1991 | EP0445057A2 Multi-data rate selectable equalizer |
| 09/04/1991 | EP0444838A2 Video signal reproducing apparatus |
| 09/04/1991 | EP0444368A1 Data input system for single-instruction multiple-data processor |
| 09/04/1991 | EP0444234A1 Method and device for analogue/digital conversion |
| 09/04/1991 | EP0444233A1 Method and device for the analogue/digital conversion of a time-variant analogue input signal |
| 09/03/1991 | CA1288483C Low frequency digital notch filter |
| 08/28/1991 | EP0443945A1 Sampling rate converter |
| 08/28/1991 | EP0443333A1 Cross-polarization interference canceller |
| 08/28/1991 | EP0443115A1 Wave digital filter composed of memories and n-port adaptors |
| 08/27/1991 | US5043933 Interpolation filter of cascaded integrator-comb type |
| 08/22/1991 | WO1991012664A1 Sampling rate conversion apparatus |
| 08/21/1991 | CN1013629B Degital-to digital code converter |
| 08/20/1991 | US5042026 Circuit for cancelling whole or part of a waveform using nonrecursive and recursive filters |
| 08/14/1991 | EP0441642A2 Methods and apparatus for spectral analysis |
| 08/14/1991 | EP0441155A1 Method and apparatus for converting sampling frequencies |
| 08/14/1991 | EP0440823A1 Conversion adaptor for wave digital filter and balancing network using wave digital filter |
| 08/13/1991 | US5040137 Random access FIR filtering |
| 08/07/1991 | EP0440187A2 Arrangement for converting binary input signal into corresponding in-phase and quadrature phase signals |
| 08/07/1991 | CN1053693A Address processor for a signal processor |
| 07/31/1991 | EP0439347A2 Sound field control apparatus |
| 07/31/1991 | EP0438991A1 Address processor for a signal processor |
| 07/23/1991 | US5034962 Voice-band signal processor |
| 07/23/1991 | US5034912 Signal processing circuit for multiplication |
| 07/23/1991 | CA1286732C Rank-order filter |
| 07/23/1991 | CA1286731C Digital adaptive filter for a high throughput digital adaptive processor |
| 07/17/1991 | WO1991010955A1 Address processor for a signal processor |
| 07/16/1991 | US5033018 Filter and method for whitening digitally generated noise |
| 07/11/1991 | DE3943072A1 Ein interpolativer a/d umsetzer fuer bandpasssignale An interpolative a / d converter for bandpass signals |
| 07/10/1991 | EP0275259B1 Optimal parametric signal processor |
| 07/09/1991 | US5031194 Wideband digital equalizers for subscriber loops |
| 07/09/1991 | US5031133 FIR digital filter for high-speed communications systems |
| 07/09/1991 | US5031132 Circuit for convolving a set of digital data |
| 07/09/1991 | CA1285999C Analog/digital adaptive line enhancer |
| 07/02/1991 | US5029121 Digital filter processing device |
| 06/28/1991 | WO1991010283A1 Interpolative analog/digital converter for band-pass signals |
| 06/28/1991 | CA2072568A1 Interpolative analog/digital converter for band-pass signals |
| 06/27/1991 | WO1991009371A1 Random access fir filtering |
| 06/25/1991 | US5027423 Image-processing integrated circuit device |
| 06/25/1991 | US5027306 Decimation filter as for a sigma-delta analog-to-digital converter |
| 06/25/1991 | US5027194 Method for reducing noise and cross-color interference in television signals, and apparatus for performing the method |
| 06/25/1991 | US5027119 Noise shaping requantization circuit |