| Patents for H03H 17 - Networks using digital techniques (9,654) |
|---|
| 12/07/1988 | EP0293773A1 Method and apparatus for high speed digital phased array coherent imaging system |
| 12/06/1988 | US4789952 Method and apparatus for digital compensation and digital equalization |
| 12/06/1988 | CA1246163A1 Adaptive equalizer |
| 12/01/1988 | WO1988009537A1 A fast median filter |
| 11/30/1988 | EP0293285A1 A method for determining transfer characteristics of an AC calibration device |
| 11/29/1988 | US4788653 Digital filter for power system stabilizer |
| 11/23/1988 | EP0292189A2 Updating cannonic signed digit filter coefficients |
| 11/23/1988 | EP0292058A1 Digital lattice filter |
| 11/23/1988 | CN87107425A Two-channel coding of digital signals |
| 11/22/1988 | US4787065 Data processing apparatus providing cyclic addressing of a data store in selectively opposite directions |
| 11/22/1988 | US4786884 Adaptive transversal filter |
| 11/22/1988 | US4786823 Noise pulse suppressing circuit in digital system |
| 11/22/1988 | CA1245365A1 Vlsi progammable digital signal processor |
| 11/22/1988 | CA1245345A1 Digital scaling circuitry with truncation offset compensation |
| 11/22/1988 | CA1245303A1 Reflex optoelectronic switching matrix |
| 11/22/1988 | CA1245302A1 Sampled data fir filters with enhanced tap weight resolution |
| 11/17/1988 | WO1988009090A1 Digital signal synthesizer |
| 11/17/1988 | EP0290790A2 Filter bank |
| 11/15/1988 | US4785447 FDM demultiplexer using oversampled digital filters |
| 11/15/1988 | US4785411 Cascade filter structure with time overlapped partial addition operations and programmable tap length |
| 11/10/1988 | DE3446658A1 Filter for determining target data |
| 11/09/1988 | EP0290336A1 Seismic signal velocity filtering |
| 11/08/1988 | US4783756 Sampled data tone control system |
| 11/08/1988 | US4783754 Preprocessor for spectral pattern classification systems |
| 11/03/1988 | WO1988008567A1 Truncated product partial canonical signed digit multiplier |
| 11/03/1988 | DE3812640A1 Transversal filter for echo cancellers |
| 11/03/1988 | DE3804956A1 Addressing unit |
| 11/02/1988 | EP0289275A1 Sampling of signals using travelling wave modulators |
| 11/02/1988 | EP0216803A4 Digital zero-if selectivity section. |
| 11/01/1988 | US4782459 Adaptive recognizing device |
| 11/01/1988 | US4782458 Architecture for power of two coefficient FIR filter |
| 11/01/1988 | US4782389 Adaptive M-tile sample producer |
| 11/01/1988 | US4782387 Two-channel coding of digital signals |
| 11/01/1988 | US4782324 Digital signal synthesizer |
| 10/25/1988 | US4780892 Scanning frequency synchronization method and apparatus |
| 10/19/1988 | EP0286884A1 Intermediate frequency digital filter |
| 10/19/1988 | EP0286669A1 Circuit for delaying a digital signal |
| 10/18/1988 | US4779217 Octave multiple filter |
| 10/18/1988 | US4779128 Digital low-pass filter with improved frequency reduction characteristics |
| 10/11/1988 | US4777612 Digital signal processing apparatus having a digital filter |
| 10/06/1988 | WO1988007790A1 Digital adaptive filter |
| 10/06/1988 | WO1988007789A1 Analog/digital adaptive line enhancer |
| 10/06/1988 | DE3710006A1 Method for reducing a digital noise signal in a digital input signal and circuit arrangement to carry out this method |
| 10/05/1988 | EP0285495A1 Digital signal processing system using a filter bank |
| 10/05/1988 | EP0285413A2 Sample rate converter |
| 10/05/1988 | EP0285317A2 Phase coordinated multistage digital filter |
| 10/05/1988 | EP0285316A2 Programmable multistage digital filter |
| 10/05/1988 | EP0285238A1 Digital bandpass oscilloscope |
| 10/04/1988 | US4775851 Analog-to-digital converter |
| 09/28/1988 | EP0284175A2 Calculation of filter factors for digital filter |
| 09/21/1988 | EP0282825A2 Digital signal processor |
| 09/21/1988 | EP0282799A1 Optimal parametric signal processor for least squares finite impulse response filtering |
| 09/20/1988 | US4773082 RF modem with improved binary transversal filter |
| 09/20/1988 | US4773034 Adaptive equalizer utilizing a plurality of multiplier-accumulator devices |
| 09/13/1988 | US4771396 Digital filters |
| 09/13/1988 | US4771395 FIR digital filter |
| 09/07/1988 | EP0281313A2 Digital receive filter circuit |
| 09/07/1988 | EP0281101A2 Circuit for cancelling whole or part of a waveform using non-recursive and recursive filters |
| 09/07/1988 | EP0281001A2 Circuit arrangement for converting digital tone signal values into an analogous tone signal |
| 09/06/1988 | US4769778 Circuit arrangement comprising a matrix-shaped memory arrangement for digital filtration of image signals in row and column directions |
| 09/06/1988 | CA1241725A1 Delay device and the use thereof in the decoding device of distance measuring equipment |
| 09/06/1988 | CA1241710A1 Switched capacitor adaptive line equalizer |
| 09/01/1988 | DE3705207A1 Nichtrekursives halb-band-filter A non-recursive half-band filter |
| 08/31/1988 | EP0280575A2 Fir type digital filter for recording and reproducing apparatus |
| 08/31/1988 | EP0280161A2 FDM demultiplexer using oversampled digital filters |
| 08/30/1988 | US4768205 Switched capacitor adaptive line equalizer |
| 08/30/1988 | CA1241382A1 Adaptive digital filter |
| 08/30/1988 | CA1241381A1 Interpolating filter arrangement with irrational ratio between the input and the output sampling frequencies |
| 08/25/1988 | WO1988006381A1 Non-recursive half-band filter |
| 08/25/1988 | WO1988006380A1 Non-recursive half-band filter |
| 08/24/1988 | EP0279208A2 Non-recursive half-band filter |
| 08/23/1988 | US4766563 Auto-correlation filter |
| 08/23/1988 | US4766562 Digital analyzing and synthesizing filter bank with maximum sampling rate reduction |
| 08/23/1988 | US4766561 Method and apparatus for implementing multiple filters with shared components |
| 08/23/1988 | US4766559 For providing an analog signal input |
| 08/23/1988 | CA1241077A1 Data processing filtering method and apparatus |
| 08/16/1988 | US4764938 Circuit and method for correcting distortion in a digital audio system |
| 08/16/1988 | US4764923 Digital receive filter circuit |
| 08/11/1988 | WO1988005934A1 Signal input device |
| 08/10/1988 | EP0277392A1 Data transmission system comprising smearing filters |
| 08/10/1988 | EP0277231A1 Distributed kalman filter |
| 08/10/1988 | CN85108684B Signal to noise ration enhancement using baseband signal in an fm television system |
| 08/03/1988 | EP0276394A2 Transmission arrangement for digital signals |
| 08/03/1988 | EP0135512B1 Improved method and means of determining coefficients for linear predictive coding |
| 07/27/1988 | EP0275259A1 Optimal parametric signal processor. |
| 07/26/1988 | US4760542 Delay circuit for digital signals |
| 07/26/1988 | US4760541 Two dimensional digital spatial filter for enhancement of point sources |
| 07/20/1988 | EP0275136A2 Multichannel decimation/interpolation filter |
| 07/20/1988 | EP0274861A2 Two-channel coding of digital signals |
| 07/20/1988 | EP0274474A1 Digital filter bank. |
| 07/12/1988 | US4757519 Digital premodulation filter |
| 07/06/1988 | EP0273581A2 A method and apparatus for digital compensation and digital equalization |
| 07/06/1988 | EP0273100A2 Digital filter circuit |
| 07/05/1988 | US4755961 Digital tank circuit |
| 07/05/1988 | US4755795 Adaptive sample rate based on input signal bandwidth |
| 07/05/1988 | US4755794 Digital-to-digital code converter |
| 06/29/1988 | EP0272714A1 Adjustable echo canceller |
| 06/28/1988 | US4754483 Data compression system and method for audio signals |
| 06/28/1988 | US4754419 Adaptive digital filter |
| 06/21/1988 | US4752903 Adaptive digital filter for eliminating howling |