| Patents for H03H 17 - Networks using digital techniques (9,654) |
|---|
| 06/21/1988 | US4751846 Reducing noise in ultrasonic images |
| 06/15/1988 | EP0271166A2 Digital circuit arrangement for reducing the quantizing noise |
| 06/14/1988 | US4751666 Switched capacitor finite impulse response filter |
| 06/14/1988 | US4751663 IIR digital filter |
| 06/14/1988 | US4751655 Method of reconstituting seismic data |
| 06/08/1988 | CN86107844A Realization of digital filter |
| 06/07/1988 | US4750146 Method and apparatus for compensating for the truncation error in a filtered signal by adding the error to the positive part of the signal and subtracting the error from the negative part of the signal |
| 06/02/1988 | WO1988004116A1 Method and apparatus for equalization of data transmission system |
| 06/01/1988 | EP0269253A1 RF modem with improved binary transversal filter |
| 06/01/1988 | EP0268876A1 Multidimensional (k-dimensional) digital filter comprising summers, multipliers and shift elements |
| 05/31/1988 | US4748578 Process and apparatus for translating the sampling rate of a sampling sequence |
| 05/25/1988 | EP0268532A2 Signal processing circuit |
| 05/25/1988 | EP0268408A2 Two-dimensional finite impulse response filter arrangements |
| 05/24/1988 | US4747140 Low distortion filters for separating frequency or phase modulated signals from composite signals |
| 05/24/1988 | US4747068 Adaptive filter |
| 05/24/1988 | US4746902 Arrangement for compensating for non-linear distortion in an input signal to be digitized and an echo cancelling system comprising such a arrangement |
| 05/17/1988 | CA1236914A1 Interlaced digital video input/filter/decimator and/or expander/interpolator filter |
| 05/04/1988 | EP0266004A2 Architecture for power of two coefficient fir filter |
| 04/27/1988 | EP0163685B1 Apparatus for correcting frequency-dependent attenuation of the transmitting medium in signal transmission |
| 04/26/1988 | US4740924 Circuit arrangement comprising a matrix-shaped memory arrangement for variably adjustable time delay of digital signals |
| 04/26/1988 | US4740906 Digital lattice filter with multiplexed fast adder/full adder for performing sequential multiplication and addition operations |
| 04/21/1988 | WO1988002955A1 Circuit for delaying a digital signal |
| 04/20/1988 | EP0146601B1 Downsampling and prefilter implementation in television systems |
| 04/19/1988 | US4739396 Projection display system |
| 04/14/1988 | DE3634092A1 Schaltungsanordnung zur verzoegerung eines digitalen signals Circuitry for delaying a digital signal |
| 04/12/1988 | US4737928 High accuracy random channel reproducing simulator |
| 04/12/1988 | US4737724 Variable digital phase-shifter and digital velocity corrector for use in video recorders |
| 04/12/1988 | US4737658 For power distribution networks |
| 04/06/1988 | EP0262647A2 Sample rate conversion system having interpolation function |
| 04/05/1988 | US4736392 Demodulator for digital FM signals |
| 04/05/1988 | US4736163 Circuit for detecting and suppressing pulse-shaped interferences |
| 03/30/1988 | EP0261848A2 A sampled data tone control system |
| 03/29/1988 | US4734888 Circuit arrangement comprising a matrix shaped memory arrangement for variably adjustable time delay of digital signals |
| 03/24/1988 | DE3631192A1 Method for levelling the group delay of filters |
| 03/22/1988 | US4733403 Digital zero IF selectivity section |
| 03/16/1988 | EP0259458A1 Optimal parametric signal processor with lattice basic cell. |
| 03/09/1988 | EP0258574A2 Filter device |
| 03/08/1988 | US4730281 Data processing filtering method and apparatus |
| 03/08/1988 | CA1233891A1 Switched capacitor finite impulse response filter |
| 03/03/1988 | DE3711967C1 Arrangement for the planar filtering of television signals |
| 03/02/1988 | EP0257843A2 A median filter |
| 03/01/1988 | US4729112 Digital sub-band filters |
| 03/01/1988 | US4729019 Method and device for generating images from ultrasonic signals obtained by echography |
| 02/25/1988 | WO1988001409A1 Distributed kalman filter |
| 02/24/1988 | EP0256288A2 Method and device for frequency-dependent signal influencing |
| 02/24/1988 | EP0256286A2 Filter device |
| 02/23/1988 | US4727506 Digital scaling circuitry with truncation offset compensation |
| 02/23/1988 | US4727505 Convolution arithmetic circuit for digital signal processing |
| 02/23/1988 | US4727504 Interference canceller and signal quantizer |
| 02/23/1988 | CA1233254A1 Two terminal impedance circuit |
| 02/23/1988 | CA1233240A1 Video signal recursive filter with luma/chroma separation |
| 02/16/1988 | US4726041 Digital filter switch for data receiver |
| 02/16/1988 | US4726036 Digital adaptive filter for a high throughput digital adaptive processor |
| 02/16/1988 | US4726035 Analog/digital adaptive line enhancer |
| 02/16/1988 | US4725972 Method and apparatus for the transmission of time discrete signals between systems operating at different sampling rates |
| 02/11/1988 | DE3644066A1 Subscriber equipment for wireless digital telephony |
| 02/10/1988 | EP0255554A1 Non-recursive digital filter |
| 02/03/1988 | EP0255285A2 Word-sliced signal processors |
| 02/02/1988 | US4723166 Noise adjusted recursive filter |
| 01/20/1988 | EP0253476A2 Multistage digital signal multiplying and adding apparatus |
| 01/20/1988 | EP0253475A2 Multistage digital signal multiplying and adding apparatus |
| 01/20/1988 | EP0253441A2 Digital circuit |
| 01/14/1988 | DE3621632A1 Digital signal transmission arrangement with variable transfer function |
| 01/12/1988 | CA1231397A1 Waveform shaping apparatus |
| 01/07/1988 | EP0251722A2 Digital filter for time-axis error correction loop of video disk player |
| 01/07/1988 | EP0250926A2 Half-band non-recursive filter |
| 01/05/1988 | US4717951 Adaptive digital filter |
| 12/29/1987 | US4716537 Circuit arrangement for simulating a resistive elementary two port device for use in a wave digital filter |
| 12/29/1987 | US4716472 Variable speed replay of digital audio with constant output sampling rate |
| 12/29/1987 | US4716373 Method and circuit arrangement for increasing the signal-to-noise ratio of a periodical electrical signal |
| 12/29/1987 | US4716318 Low pass filter formed in an integrated circuit |
| 12/29/1987 | US4715257 Waveform generating device for electronic musical instruments |
| 12/29/1987 | CA1230828A1 Digital graphic equalizer |
| 12/23/1987 | EP0250048A1 Frequency-domain block-adaptive digital filter |
| 12/16/1987 | EP0249279A2 Digital filter |
| 12/15/1987 | US4713786 Digital hardware selection filter |
| 12/01/1987 | US4710891 Digital synthesis technique for pulses having predetermined time and frequency domain characteristics |
| 11/25/1987 | EP0246911A2 Improvements in or relating to multistage electrical signal processing apparatus |
| 11/24/1987 | US4709395 Method and apparatus for minimizing errors in the digital processing of electrical signals |
| 11/24/1987 | US4709394 Multiplexed real-time pyramid signal processing system |
| 11/24/1987 | US4709344 Programmable multifrequency digital tone receiver |
| 11/24/1987 | US4709343 Variable-passband variable-phase digital filter |
| 11/19/1987 | WO1987007099A1 Digital zero if selectivity section |
| 11/19/1987 | DE3616323A1 Muting for a digital receiver |
| 11/10/1987 | US4706291 Reverberation imparting device |
| 11/10/1987 | US4706188 Method and apparatus for reading samples of a time-dependent signal in a data processing system |
| 11/10/1987 | CA1229160A1 Field comb for luminance separation of ntsc signals |
| 11/04/1987 | EP0162076B1 A method to compensate for the truncation error in a sampled signal and a device for carrying out the method |
| 10/28/1987 | EP0243235A2 Noise pulse suppressing circuit in a digital system |
| 10/27/1987 | US4703514 Programmed implementation of real-time multiresolution signal processing apparatus |
| 10/27/1987 | US4703447 Mixer controlled variable passband finite impulse response filter |
| 10/22/1987 | WO1987005422A3 Optimal parametric signal processor |
| 10/20/1987 | US4701956 Tone signal processing device |
| 10/20/1987 | US4701875 High speed convolution arithmetic circuit with multiple counters |
| 10/20/1987 | US4701874 Digital signal processing apparatus |
| 10/20/1987 | US4701873 Method and a circuit arrangement for digital signal processing utilizing adaptive transversal filter techniques |
| 10/20/1987 | US4700573 Ultrasonic system |
| 10/14/1987 | EP0241069A1 Adaptive transversal filter |
| 10/14/1987 | EP0240820A1 Two-dimensional digital wave filter |
| 10/13/1987 | US4700345 Downsampling and prefilter implementation in television systems |