| Patents for H03H 17 - Networks using digital techniques (9,654) |
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| 03/11/1986 | US4575857 Adaptive equalizer with variable tap coefficient leakage |
| 03/05/1986 | EP0173530A2 Variable speed replay of digital audio with constant output sampling rate |
| 03/05/1986 | EP0173307A2 Nonrecursive digital filter |
| 02/26/1986 | EP0172532A2 Waveform shaping apparatus |
| 02/25/1986 | US4573136 Sum-of-products multiplier with multiple memories and reduced total memory size |
| 02/25/1986 | US4573135 Digital lowpass filter having controllable gain |
| 02/25/1986 | CA1201178A1 Method of preparing electrical signals by means of a digital filtering device |
| 02/18/1986 | US4571719 FIR-Type balance filter incorporated in the transmitter-receiver unit in a telecommunication system |
| 02/11/1986 | US4570177 Carrier chrominance signal separating circuit |
| 02/05/1986 | EP0169961A2 Digital filter |
| 02/05/1986 | EP0169915A1 Digital phase demodulator |
| 02/04/1986 | US4569031 Circuit arrangement for serial digital filters |
| 02/04/1986 | US4569030 Recursive digital filter |
| 01/21/1986 | US4566076 Method of attenuating a digital signal and device for carrying out said method |
| 01/15/1986 | EP0167677A1 Signal processing arrangement |
| 01/14/1986 | US4564869 Zoned equalization for a magnetic disc |
| 01/02/1986 | EP0166563A2 Residue number system universal digital filter |
| 12/31/1985 | US4562437 For a phase-comparison radio navigation system |
| 12/24/1985 | US4561065 Arithmetic processing device using sampled input data and several previous output data |
| 12/24/1985 | US4560974 Real-time ordinal-value filter utilizing reference-function comparison |
| 12/17/1985 | US4559607 Arrangement to provide an accurate time-of-arrival indication for a plurality of received signals |
| 12/11/1985 | EP0164283A1 Resonant digital filter |
| 12/10/1985 | CA1197920A1 Retrospective data filter |
| 11/27/1985 | EP0162076A1 A method to compensate for the truncation error in a sampled signal and a device for carrying out the method. |
| 11/21/1985 | EP0161335A2 Preparation of sampled values of a time-variable signal in a data processing arrangement |
| 11/12/1985 | US4553213 Communication system |
| 11/05/1985 | US4551816 Filter display system |
| 10/30/1985 | EP0159546A1 Digital graphic equalizer |
| 10/29/1985 | US4550318 Retrospective data filter |
| 10/29/1985 | CA1196105A1 Variable digital signal processing circuit |
| 10/23/1985 | EP0159142A1 Digital filters |
| 10/22/1985 | US4548119 Digital filter for an electronic musical instrument |
| 10/16/1985 | EP0158055A1 Method of blending digital audio signals, and device therefor |
| 10/08/1985 | CA1194934A1 Boolean filtering method and apparatus |
| 10/02/1985 | EP0156648A2 Convolution arithmetic circuit for digital signal processing |
| 09/25/1985 | EP0155731A1 Addressing device for the delivery of address codes to a memory |
| 09/25/1985 | EP0055260B1 Switched-capacitor cosine filter |
| 09/24/1985 | US4542657 Ultrasonic system for measuring the velocity of blood and similar liquids |
| 09/24/1985 | CA1194165A1 Method of reducing the convergence time of an echo canceller and apparatus for carrying out said method |
| 09/24/1985 | CA1194141A1 Recursive digital filter |
| 09/24/1985 | CA1194140A1 Decimation filter arrangement |
| 09/18/1985 | EP0155008A2 Digital filter circuit for dividing signals into subbands |
| 09/18/1985 | EP0054035B1 Interpolative analog-to-digital converter |
| 09/17/1985 | US4542475 Sampled data filter system as for a digital TV |
| 09/03/1985 | CA1193021A1 Digital signal processing system including a microprogram memory |
| 09/03/1985 | CA1193014A1 Direct digital to digital sampling rate conversion method and apparatus |
| 08/21/1985 | EP0152172A1 Adaptive digital filter |
| 08/21/1985 | EP0151829A1 Interpolating filter arrangement with irrational ratio between the input and the output sampling frequencies |
| 08/21/1985 | EP0054033B1 Interpolative encoder for subscriber line audio processing circuit apparatus |
| 08/20/1985 | US4536745 Sampling frequency conversion device |
| 07/31/1985 | EP0150114A2 Sampled data fir filters with enhanced tap weight resolution |
| 07/31/1985 | EP0149785A1 Method and circuit arrangement in the form of an adaptive transversal filter for processing digital signals |
| 07/30/1985 | EP0122939A4 An active delay equalizer section having independently tunable circuite parameters and a circuit and method for correcting for phase distortion in a digital audio system. |
| 07/30/1985 | CA1191246A1 Digital chrominance filter for digital component television system |
| 07/17/1985 | EP0148528A2 Method and circuit for increasing the resolution of a digital time-dependent signal |
| 07/17/1985 | EP0148362A1 Method of obtaining pseudofiltering effect in process of accumulation and nuclear magnetic resonance spectrometry utilizing same |
| 07/16/1985 | US4530107 Shift register delay circuit |
| 07/09/1985 | US4528598 Chrominance inverting all-pass filter |
| 07/03/1985 | EP0147326A2 Digital filter with variable phase and bandpass |
| 07/03/1985 | EP0146963A2 Iir digital filter |
| 07/03/1985 | EP0146601A1 Downsampling and prefilter implementation in television systems. |
| 06/20/1985 | WO1985002529A1 Data compression system and method for processing digital sample signals |
| 06/18/1985 | US4524447 Digital signal processing apparatus having digital dither |
| 06/18/1985 | US4524423 Digital signal separation filters |
| 06/18/1985 | US4524422 Digital equalizer capable of varying the center frequency, quality factor, and gain to perform various frequency characteristics |
| 06/18/1985 | US4524382 For eliminating noise from an input signal of known frequency content |
| 06/11/1985 | US4523279 Apparatus for determining oxygen saturation levels in blood |
| 06/10/1985 | EP0135512A4 Improved method and means of determining coefficients for linear predictive coding. |
| 06/06/1985 | WO1985002509A1 Apparatus for correcting frequency-dependent attenuation of the transmitting medium in signal transmission |
| 06/06/1985 | WO1985002508A1 A method to compensate for the truncation error in a sampled signal and a device for carrying out the method |
| 06/05/1985 | EP0143632A2 A convolution arithmetic circuit |
| 06/05/1985 | EP0143485A1 Method and circuit arrangement for increasing the signal-to-noise ratio of a periodic electrical signal |
| 06/04/1985 | US4521867 IIR digital filter having low coefficient sensitivity |
| 06/04/1985 | US4521866 Distributed arithmetic oversampling recursive digital filter |
| 05/21/1985 | CA1187599A1 Separating filter |
| 05/21/1985 | CA1187563A1 Digital adaptive finite impulse response filter with large number of coefficients |
| 05/08/1985 | EP0140518A2 Radar velocity sensor |
| 05/07/1985 | CA1186751A1 Process and apparatus for translating the sampling rate of a sampled signal |
| 05/07/1985 | CA1186750A1 Adaptive techniques for automatic frequency determination and measurement |
| 04/24/1985 | EP0137816A1 Apparatus for generating scaled weighting coefficients for sampled data filters |
| 04/23/1985 | US4513440 Signal processing apparatus |
| 04/23/1985 | US4513388 Electronic device for the execution of a mathematical operation on sets of three digital variables |
| 04/23/1985 | US4513385 Apparatus and method for suppressing side lobe response in a digitally sampled system |
| 04/17/1985 | EP0137464A2 A digital signal processing apparatus having a digital filter |
| 04/17/1985 | EP0137323A2 Method and device to convert a sampled input signal sequence into a sampled output signal sequence |
| 04/17/1985 | EP0137213A2 Adaptive equalizer for digital signals affected by distorsions with time varying characteristics |
| 04/16/1985 | US4511966 Digital signal processing system |
| 04/16/1985 | US4510944 Method and apparatus for evaluating rhythmic oscillations in aperiodic physiological response systems |
| 04/09/1985 | US4510598 Digital transmultiplexer |
| 04/03/1985 | EP0135606A1 State-variable filter |
| 04/03/1985 | EP0135512A1 Improved method and means of determining coefficients for linear predictive coding. |
| 04/03/1985 | EP0054024B1 Subscriber line audio processing circuit apparatus |
| 03/27/1985 | EP0135066A2 Transfer device for digital signals |
| 03/27/1985 | EP0135024A2 Transfer device for digital signals |
| 03/26/1985 | US4507746 Programmable matched filter for binary phase-coded signals |
| 03/26/1985 | US4507725 Digital filter overflow sensor |
| 03/19/1985 | CA1184304A1 Apparatus for attenuating and/or amplifying a binary- represented signal |
| 03/12/1985 | CA1183913A1 Capacitive commutating filter |
| 03/05/1985 | US4503453 Digital method and device for correcting the phase error of a sampled signal as applicable to the correction of television signals |
| 03/05/1985 | CA1183599A1 Digital color television signal demodulator |