| Patents for H03H 17 - Networks using digital techniques (9,654) |
|---|
| 03/30/1993 | US5199047 Receiver for a digital transmission system |
| 03/30/1993 | US5199046 First and second digital rate converter synchronization device and method |
| 03/30/1993 | CA1315395C Separating components of composite digital video signals |
| 03/24/1993 | EP0532781A1 Integrated circuit comprising an analog circuit |
| 03/23/1993 | US5197021 System and circuit for the calculation of the bidimensional discrete transform |
| 03/23/1993 | US5197020 Wave digital filter composed of delays and n-port adaptors |
| 03/23/1993 | CA1314997C Digital computing device for a data transmission installation using code 2b 1q or the like |
| 03/18/1993 | WO1993005612A1 Cosmetics filter for smoothing regenerated pictures, e.g. after signal compressing for transmission in a narrowband network |
| 03/18/1993 | WO1993005598A1 First and second digital rate converter synchronization device and method |
| 03/18/1993 | WO1993005574A1 Ecg muscle artifact filter system |
| 03/18/1993 | WO1993005573A1 Ecg baseline wander filter and method |
| 03/17/1993 | EP0532353A2 High-speed DFE with low residual fading |
| 03/17/1993 | EP0531499A1 Optically operated electric transversal filter |
| 03/17/1993 | EP0524258A4 Noise cancellation arrangement |
| 03/16/1993 | US5195140 Acoustic signal processing apparatus |
| 03/16/1993 | US5195049 Digital filter system with anomaly detection and indication |
| 03/16/1993 | US5194939 Digital video signal processing apparatus for data rate down-conversion with half-band filtering |
| 03/16/1993 | US5194832 Transversal equalizer |
| 03/10/1993 | EP0531242A1 Adaptive filtering method of a signal transformed in subbands and corresponding filter device |
| 03/10/1993 | EP0530468A2 Digital data converting system |
| 03/10/1993 | EP0530423A1 Adaptive echo cancellation method and device for implementing said method |
| 03/09/1993 | US5193070 Transversal filter circuit having tap circuits including bidirectional shift registers for serial multiplication |
| 03/04/1993 | WO1993004529A1 A digital filtering method and apparatus |
| 03/04/1993 | DE4225786A1 Digital filter for spectral formation on transmission of digital signal - uses data values of serial data signal read into shift register and scanned several times |
| 03/02/1993 | US5191547 Decimating digital finite impulse response filter |
| 03/02/1993 | US5191545 Interpolator increasing the output word rate of a digital signal |
| 03/02/1993 | US5191334 Sampling frequency conversion apparatus |
| 02/24/1993 | EP0528738A1 Method and circuit for adapting the coefficients in the equalizer of a modem |
| 02/23/1993 | US5189637 Method and apparatus for preventing erroneous echoelimination and equalization |
| 02/23/1993 | US5189634 Digital signal processing apparatus for detecting a frequency component of digital signals |
| 02/17/1993 | EP0527693A1 Two-dimensional finite impulse response filter |
| 02/17/1993 | EP0527319A2 Signal processing method |
| 02/17/1993 | EP0339037B1 Non-recursive half-band filter |
| 02/09/1993 | US5185707 Focusing apparatus and digital filters for use therewith |
| 02/03/1993 | EP0525900A2 Filter circuit for preprocessing a video signal |
| 02/03/1993 | EP0525408A2 Method for multiframe Wiener restoration of noisy and blurred image sequences |
| 01/27/1993 | EP0524560A2 Method and apparatus for updating coefficients in a complex adaptive equalizer |
| 01/27/1993 | EP0524292A1 Square-root anti-symmetric filters |
| 01/27/1993 | EP0524264A1 Adaptive-block-length, adaptive-transform, and adaptive-window transform coder and decoder for high-quality audio. |
| 01/27/1993 | EP0524258A1 Noise cancellation arrangement. |
| 01/26/1993 | US5182723 Computing method of floating-point represented data |
| 01/26/1993 | US5182633 Video sample rate converter |
| 01/26/1993 | US5182559 Digital-analog converter with plural coefficient transversal filter |
| 01/25/1993 | WO1993002508A1 Process for finding the overall monitoring threshold during a bit-rate-reducing source coding |
| 01/20/1993 | EP0523887A1 Digital serial loop filter for high speed control systems |
| 01/20/1993 | EP0523307A1 Decimation filter for a sigma-delta converter and data circuit terminating equipment including the same |
| 01/20/1993 | EP0523306A1 Decimation filter for a sigma-delta converter and an analog-to-digital converter using the same |
| 01/19/1993 | US5181033 Digital filter for filtering and decimating delta sigma modulator output signals |
| 01/17/1993 | WO1993002506A1 Programmable noise bandwidth reduction by means of digital averaging |
| 01/13/1993 | EP0522528A1 A prediction filter |
| 01/05/1993 | US5177741 Subscriber unit for wireless digital telephone system |
| 01/05/1993 | US5177700 Non-recursive half-band filter |
| 01/05/1993 | US5177699 Analogue-to-digital converter having two decimate filter circuits receiving output of a front end which is bit shifted down in being applied to one of the filter circuits |
| 12/30/1992 | EP0520969A2 Maximum likelihood sequence estimation for a mobile digital cellular radio receiver |
| 12/30/1992 | CN1067534A Procedure for filtering speed feedback signal |
| 12/29/1992 | WO1993000741A1 A method for optimizing an adaptive filter update coefficient |
| 12/29/1992 | US5175863 Signal data processing system having independently, simultaneously operable alu and macu |
| 12/29/1992 | US5175763 Two-wire/four-wire converter |
| 12/28/1992 | CA2068964A1 Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver |
| 12/22/1992 | US5173776 Apparatus and method for improving the signal-to-noise ratio of video display signals |
| 12/22/1992 | CA1311810C Nonrecursive half-band filter |
| 12/16/1992 | EP0518580A2 Video signal processing for ghost cancellation |
| 12/16/1992 | EP0518370A1 Roll-off filter apparatus |
| 12/16/1992 | EP0518148A1 Procedure for filtering a speed feedback signal |
| 12/15/1992 | US5172411 Two-wire/four-wire converter |
| 12/10/1992 | WO1992022137A1 Low computational-complexity digital filter bank |
| 12/09/1992 | EP0517218A1 High throughput digital filtering process and device for performing this process |
| 12/09/1992 | EP0517095A1 Image signal interpolating circuit |
| 12/08/1992 | US5170369 Dynamic digital IIR audio filter and method which provides dynamic digital filtering for audio signals |
| 12/08/1992 | US5170368 Digital decimation filter |
| 12/02/1992 | EP0516221A2 Sample rate converting filter |
| 12/02/1992 | EP0516216A2 Echo cancellation system |
| 12/01/1992 | US5168456 Incremental frequency domain correlator |
| 12/01/1992 | CA1311062C Processor suitable for recursive computations |
| 11/24/1992 | US5166895 Input-weighted transversal filter |
| 11/24/1992 | CA1310708C Adaptive, digital filter including a non-recursive part and a recursive part |
| 11/12/1992 | DE4115338A1 Detecting and/or regulating position or angular velocity of rotor of electrical machine - using Kalman filter to monitor and regulate pulse width modulator of sync. and async. three=phase motors without needing sensors |
| 11/11/1992 | EP0512712A2 Equaliser, operable in decision-feedback or fractional modes |
| 11/11/1992 | EP0512619A1 Sampling frequency converter |
| 11/11/1992 | EP0512480A2 Offset reducer |
| 11/10/1992 | US5163018 Digital signal processing circuit for carrying out a convolution computation using circulating coefficients |
| 11/04/1992 | EP0511773A2 Equalizer for correcting frequency shift of centre frequency |
| 11/04/1992 | EP0511698A1 Semi-recursive adaptive equalizer |
| 11/03/1992 | CA1309775C Apparatus for synthesizing analog signals in pcm |
| 10/28/1992 | EP0510864A2 Multi-channel active acoustic attenuation system |
| 10/28/1992 | CN1065765A Signal weighting system for digital receiver |
| 10/27/1992 | US5159705 Frequency synthesizer circuit |
| 10/27/1992 | US5159565 Method for the determination of fir filter coefficients in equalizers |
| 10/27/1992 | US5159339 Sampling rate converter for signals having a non-integer sampling ratio |
| 10/27/1992 | US5159338 Sampling frequency conversion apparatus |
| 10/21/1992 | EP0509767A2 Coefficients setting method of a reverberation unit |
| 10/21/1992 | EP0509246A2 Ripple control receiver |
| 10/21/1992 | EP0484383A4 Digital filter and method of design |
| 10/20/1992 | US5157760 Digital signal encoding with quantizing based on masking from multiple frequency bands |
| 10/20/1992 | US5157623 Digital filter with dynamically variable filter characteristics |
| 10/20/1992 | US5157622 Input-weighted transversal filter |
| 10/20/1992 | US5157395 Receiving an input digital signal to output decimated signal |
| 10/15/1992 | DE4111276A1 Combining recursive and non-recursive digital filters for compensation of electroacoustic transducers - shifting resonant frequency by recursive filter and using combined effect to improve linear characteristic in LF range |
| 10/14/1992 | EP0508805A2 Cyclic digital filter |
| 10/07/1992 | EP0507499A2 Orthogonal transform coding apparatus for digital audio signals |