Patents
Sitemap › H03 - Basic electronic circuitry › H03H - Impedance networks, e.g. resonant circuits; Resonators › H03H 17 - Networks using digital techniques
Patents for H03H 17 - Networks using digital techniques (9,654)
12/1990
12/05/1990EP0400755A1 Digital transmission system using subband coding of a digital signal
12/05/1990EP0400222A1 Digital transmission system using subband coding of a digital signal
12/04/1990US4975864 Scene based nonuniformity compensation for starting focal plane arrays
11/1990
11/28/1990EP0399968A1 A method and arrangement for avoiding erroneous echoelimination and/or for avoiding erroneous equalization in a telecommunication system
11/28/1990EP0399382A2 Multi-channel adaptive canceler
11/27/1990US4974186 Generalized digital multiplier and digital filter using said multiplier
11/27/1990US4974185 Digital filter for executing a video emphasis process through mode selection
11/27/1990CA1277000C Data transmission system comprising smearing filters
11/27/1990CA1276988C2 Interpolator/decimator filter structure and a digital filter therefor
11/22/1990EP0398368A2 Focus apparatus and digital filters for use therewith
11/22/1990DE3916256A1 Digital filter with attenuation and phase equalising - consists of non-recursive group transit time equaliser, and attenuation equaliser
11/22/1990DE3916236A1 Digital filterl for A=D converter frequency reduction - has equaliser of non-recursive group transit time type, and decimating filter for attenuation
11/20/1990US4972360 Digital filter for a modem sigma-delta analog-to-digital converter
11/20/1990US4972357 Digital filter with integrated decimation
11/20/1990US4972356 Systolic IIR decimation filter
11/15/1990WO1990013942A1 Decimation filter as for a sigma-delta analog-to-digital converter
11/13/1990US4970637 Digital anti-aliasing filter
11/07/1990EP0396360A2 Apparatus for inter-frame predictive encoding of video signal
11/06/1990US4969203 Multiplicative sieve signal processing
11/06/1990US4969192 Vector adaptive predictive coder for speech and audio
11/01/1990WO1990013185A1 A method and arrangement for avoiding erroneous echo-elimination and/or equalization in a telecommunication system
10/1990
10/31/1990EP0395424A2 Filter and method for whitening digitally generated noise
10/31/1990EP0395423A2 Signal generator method and apparatus
10/30/1990US4967388 Truncated product partial canonical signed digit multiplier
10/30/1990US4967164 Adaptive predistortion circuit
10/30/1990CA1275706C Numerical precorrection technique
10/24/1990EP0393716A2 Delay circuit
10/24/1990EP0393702A2 Musical sound synthesizer
10/23/1990US4965668 Adaptive rounder for video signals
10/23/1990US4965584 Method and devices for translation along the axis of frequencies of the modulus of the transfer function of a filter
10/23/1990US4965536 Quadrature amplitude modulation system using digital filters
10/03/1990EP0390531A2 Sampling rate converter
10/02/1990US4961014 Filter circuit utilizing reversible counter for generating a satisfactory hysteresis
09/1990
09/25/1990US4959815 Digital signal processor
09/19/1990EP0387507A2 Sampling rate conversion device for digital signals
09/18/1990US4958361 Edge effect reduction by smoothing in digital receivers
09/18/1990US4958311 Composite finite impulse response digital filter
09/12/1990EP0205554B1 Interlaced digital video input filter/decimator and/or expander/interpolator filter
09/12/1990CN1009610B Home unit for wireless digital telephone system
09/06/1990DE3906893A1 Digital phase corrector
09/05/1990CN1009519B Low frequency digital notch filter
09/04/1990US4954961 Method of digitally evaluating the frequency and the phase of signals, and a device for implementing such a method
09/04/1990US4954894 Recursive noise-reducer
09/04/1990US4954824 Sample rate conversion system having interpolation function with phase locked clock
09/04/1990US4954732 Adaptive nonlinear frequency domain filter with low phase loss
08/1990
08/29/1990EP0384448A2 Digital filter
08/29/1990EP0384447A2 Digital filter
08/29/1990EP0384445A2 Arithmetic unit using a digital filter
08/29/1990EP0383814A1 Improved filtering techniques.
08/28/1990US4953184 Complex bandpass digital filter
08/28/1990US4953118 Nonrecursive half-band filter
08/28/1990US4953117 Method and apparatus for converting sampling frequencies
08/28/1990US4953116 Digital word output high-pass filter apparatus
08/28/1990CA1273411A1 Digital circuit for sampling rate variation and signal filtering and method for constructing the circuit
08/28/1990CA1273410A1 Digital signal processing device working with continuous bit streams
08/23/1990DE3904648A1 Verfahren und anordnung zur unterdrueckung von unerwuenschten spektren bei einer digitalen dynamikexpansion Method and arrangement for suppressing undesired spectra in a digital dynamic expansion
08/22/1990EP0383360A2 Adaptive recognising device
08/22/1990EP0383326A2 Fir digital filter for high-speed communications systems
08/21/1990US4951242 Median filters having modules for receiving the current value of an incoming digital signal
08/16/1990EP0381724A1 A segmentation method for use against moving objects.
08/15/1990CN1044744A Adjustable antialias filters
08/09/1990WO1990009076A1 Scene based nonuniformity compensation for staring focal plane arrays
08/08/1990EP0380720A1 Image processing method
08/07/1990US4947363 Pipelined processor for implementing the least-mean-squares algorithm
08/07/1990US4947360 Low frequency digital notch filter
08/01/1990EP0380351A2 Adjustable antialias filters
08/01/1990EP0380350A2 Sampled digital filter system
07/1990
07/31/1990CA1272317A1 Subscriber unit for wireless digital telephone system
07/24/1990US4944036 Signature filter system
07/24/1990US4943983 Subscriber unit for wireless digital telephone system
07/24/1990US4943849 Television transmission system having improved separation of audio and video spectra
07/18/1990EP0378253A2 System and method for transforming and filtering a video image
07/10/1990US4940977 Adaptive-filter single-bit digital encoder and decoder and adaptation control circuit responsive to bit-stream loading
07/03/1990US4939751 Phase signal filtering apparatus utilizing estimated phase signal
07/03/1990US4939684 Simplified processor for digital filter applications
07/03/1990US4939472 Integrating circuit
06/1990
06/27/1990EP0374214A1 Variable rate rectangular matched filter.
06/27/1990CN1008583B Digital scaling circuitry with truncation offset compensation
06/26/1990US4937577 Integrated analog-to-digital converter
06/20/1990EP0373943A2 Vibration control system
06/20/1990EP0373737A2 General network modeling and synthesis
06/20/1990EP0373468A2 A pipelined processor for implementing the least-mean-squares algorithm
06/20/1990EP0373410A2 Memory for programmable digital filter
06/13/1990EP0372440A2 Digital filter
06/13/1990EP0372350A2 Programmable digital filter
06/12/1990US4933891 Method and circuit configuration for generating filter coefficients
06/12/1990US4933766 Interpolation filter and receiver provided with such an interpolation filter
06/06/1990EP0371567A2 Echo canceller
06/05/1990US4931980 Digital computing device for a data transmission installation using code 2B 1Q or the like
06/05/1990US4931972 Multiple-input digital filter
05/1990
05/30/1990EP0370473A2 Digital filter
05/29/1990CA1269723A2 Notch filter for an interpolator/decimator filter structure
05/23/1990EP0369630A2 Signal processing apparatus
05/22/1990US4928287 Automatic equalizer
05/22/1990US4928258 Recursive median filtering
05/16/1990EP0367932A2 Filter bank for the frequency division multiplexing or demultiplexing of channel signals
05/16/1990EP0367803A1 Noise reduction.
05/15/1990CA1269136A1 Interpolator/decimator filter structure and a digital filter therefor
05/08/1990US4924188 Spread spectrum receiver having phase shifter for effecting phase synchronization of two convolvers
05/02/1990EP0365859A2 Filter for recovering a useful time constant signal from a noisy measuring signal
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