| Patents for H03H 17 - Networks using digital techniques (9,654) |
|---|
| 08/11/1993 | EP0554494A1 Non-recursive digital adaptive filter |
| 08/11/1993 | EP0472600B1 Decimation filter as for a sigma-delta analog-to-digital converter |
| 08/10/1993 | US5235647 Digital transmission system, an apparatus for recording and/or reproducing, and a transmitter and a receiver for use in the transmission system |
| 08/10/1993 | US5235534 Method and apparatus for interpolating between data samples |
| 08/10/1993 | US5235334 Digital-to-analog converter with a linear interpolator |
| 08/05/1993 | DE4302057A1 Digitisation of band-limited analogue signal for hearing aid - using amplifier with adjustable gain controlled by comparator fed from A=D converter, which stores scale unit |
| 08/05/1993 | DE4202578A1 Adaptive process for identification of multi degree of freedom systems - comparing responses of model and system compared to define function for each degree of freedom of system |
| 08/04/1993 | EP0554120A2 Adaptive transversal equalizer |
| 08/04/1993 | EP0554081A1 Apparatus and method for data compression |
| 08/04/1993 | EP0553906A2 Method and apparatus for sound enhancement with envelopes of multiband passed signals feeding comb filters |
| 08/03/1993 | US5233664 Speaker system and method of controlling directivity thereof |
| 08/03/1993 | US5233550 Adaptive balance filter |
| 08/03/1993 | US5233549 Reduced quantization error FIR filter |
| 07/28/1993 | EP0552639A1 Separable subsampling of digital image data with general periodic symmetry |
| 07/27/1993 | US5231692 Pitch period searching method and circuit for speech codec |
| 07/22/1993 | WO1993014566A1 Apparatus for reducing the risk of undesirable parameterdrift of an adaptive filter used for echo cancellation |
| 07/22/1993 | WO1993013711A1 Method and apparatus for processing images |
| 07/22/1993 | WO1993013710A1 Digital phase shifter |
| 07/22/1993 | CA2127263A1 Method and apparatus for processing images |
| 07/22/1993 | CA2125658A1 Apparatus for reducing the risk of undesirable parameter drift of an adaptive filter used for echo cancellation |
| 07/21/1993 | EP0552046A2 Complementary logic circuit |
| 07/21/1993 | EP0552020A1 Subsampling filter comprising two filters in succession |
| 07/20/1993 | US5230008 Multi-amplitude sample generating apparatus and method |
| 07/20/1993 | US5230007 Method for optimizing an adaptive filter update coefficient |
| 07/20/1993 | US5230006 Adaptive equalizer capable of effectively removing a remaining fading in an equalized signal |
| 07/20/1993 | CA1320536C Apparatus and method for processing simultaneous radio frequency signals |
| 07/14/1993 | EP0551081A2 Adaptive equalizer and receiver |
| 07/14/1993 | EP0550942A1 Signal processor for sampling rate conversion |
| 07/13/1993 | US5228058 Adaptive equalizer |
| 07/13/1993 | US5227991 Comb filter including a data overflow monitor, and a radio including the same |
| 07/13/1993 | US5227879 Apparatus for transmitting an extended definition TV signal having compatibility with a conventional TV system |
| 07/13/1993 | US5227787 Digital data converting system |
| 07/13/1993 | US5227677 Zero power transmission line terminator |
| 07/07/1993 | EP0549633A1 Improved memory system |
| 07/06/1993 | US5226001 Plural-channel decimation filter, as for sigma-delta analog-to-digital converters |
| 07/06/1993 | US5225836 Electronic filters, repeated signal charge conversion apparatus, hearing aids and methods |
| 07/06/1993 | US5225787 Sampling frequency converter including a sigma-delta modulator |
| 07/06/1993 | CA1319959C Edge effect reduction by smoothing in digital receivers |
| 07/06/1993 | CA1319957C2 Subscriber unit for wireless digital telephone system |
| 06/30/1993 | EP0549019A2 Decision feedback equalisation system with low error propagation |
| 06/30/1993 | EP0548917A1 Sample rate converter circuit for image data |
| 06/29/1993 | US5224123 Transversal equalizer |
| 06/23/1993 | EP0547881A1 Method and apparatus for implementing two-dimensional digital filters |
| 06/22/1993 | US5222084 Echo canceler having adaptive digital filter unit associated with delta-sigma modulation circuit |
| 06/22/1993 | US5222035 Digital filter circuit |
| 06/16/1993 | EP0546596A1 Device to carry out the processing of signals comprising a least squares method |
| 06/16/1993 | EP0546537A1 Electronic device for the automatic conversion of sampled frequencies |
| 06/15/1993 | US5220327 Decimation filter in a sigma-delta analog-to-digtal converter |
| 06/15/1993 | US5220275 Accumulator phase digitizer |
| 06/15/1993 | CA1319177C Integrated decimation digital filter |
| 06/10/1993 | WO1993011647A1 Device for correcting frequency characteristic of sound field |
| 06/09/1993 | DE4241130A1 Producing two channel sound field - using successive addition and subtraction of initial front and rear left and right signals to obtain left and right channel signals for headphones |
| 06/08/1993 | US5218639 Method and apparatus for changing bit rate of digitized analog |
| 06/02/1993 | EP0544647A2 Calculation of filter factors for digital filter |
| 06/02/1993 | EP0544394A1 Electrical apparatus |
| 06/02/1993 | EP0544356A2 Device for performing a one-dimensional forward transformation, and inverse transformation |
| 06/01/1993 | US5216721 Multi-channel active acoustic attenuation system |
| 06/01/1993 | US5216696 Programmable noise bandwidth reduction by means of digital averaging |
| 06/01/1993 | US5216671 High speed bit serial systems |
| 06/01/1993 | US5216629 Adjusting filter coefficients |
| 05/27/1993 | CA2083532A1 Signal processing system involving a least squares method |
| 05/26/1993 | EP0543568A2 High resolution filtering using low resolution processors |
| 05/26/1993 | EP0543490A1 Apparatus for adaptively tuning to a received periodic signal |
| 05/26/1993 | EP0348393B1 Non-recursive half-band filter |
| 05/25/1993 | US5214678 Digital transmission system using subband coding of a digital signal |
| 05/25/1993 | US5214676 Digital phase detector arrangements |
| 05/25/1993 | US5214671 Adaptive equalizer |
| 05/25/1993 | CA1318366C Hybrid stochastic gradient for convergence of adaptive filters |
| 05/18/1993 | US5212660 Digital filter having a switching matrix and adders |
| 05/18/1993 | US5212659 Low precision finite impulse response filter for digital interpolation |
| 05/18/1993 | US5212658 Filter for obtaining a useful signal, constant with respect to time, from a noisy measuring signal |
| 05/18/1993 | CA1318003C Digital echo canceller |
| 05/12/1993 | EP0541225A1 Equalizer for data receiver apparatus |
| 05/11/1993 | US5210806 Digital audio signal processing apparatus |
| 05/11/1993 | US5210709 Digital filter for removing dc components |
| 05/11/1993 | US5210705 Digital filtering with single-instruction, multiple-data processor |
| 05/05/1993 | EP0540216A1 Filter |
| 05/05/1993 | EP0539776A2 Apparatus for deriving two quadrature signals from a digital signal |
| 05/04/1993 | US5208596 DAC distortion compensation |
| 04/29/1993 | WO1993008651A1 Process for reducing frequency interlacing during acoustic or optical signal transmission and/or recording |
| 04/29/1993 | WO1993008643A1 Apparatus and method for pulse compression and pulse generation |
| 04/29/1993 | DE4202090C1 Digital filter with set amplitude frequency curve - assigns microprocessor, keyboard and measurer to memory allowing stored polar coordinates to be changed |
| 04/28/1993 | EP0539017A2 Adaptive frequency dependent compensation for telecommunication channels |
| 04/27/1993 | US5206821 Decimation circuit employing multiple memory data shifting section and multiple arithmetic logic unit section |
| 04/20/1993 | US5204831 Circuit configuration for digital bit-serial signal processing |
| 04/20/1993 | US5204827 Sampling rate converting apparatus |
| 04/20/1993 | US5204683 Radar receiver for a radar having a digital beam forming antenna |
| 04/20/1993 | US5204677 Quantizing error reducer for audio signal |
| 04/20/1993 | US5204676 Circuit arrangement for frequency conversion of a digital signal |
| 04/18/1993 | CA2053676A1 Vlsi architecture for the implementation of real-time order statistic filters |
| 04/15/1993 | WO1993007712A1 Signal sampling |
| 04/15/1993 | WO1993007678A1 Fold and decimate filter architecture |
| 04/14/1993 | EP0536504A2 Accuracy bootstrapping |
| 04/07/1993 | EP0535638A2 Phase divider for complex signals |
| 04/06/1993 | US5201005 Sound field compensating apparatus |
| 04/06/1993 | US5200914 Wave digital filter with fine grained pipelining |
| 04/06/1993 | CA1315872C Segmentation method for use against moving objects |
| 03/31/1993 | WO1993007688A1 Viterbi equalizer for radio receiver |
| 03/31/1993 | EP0216803B1 Digital zero-if selectivity section |
| 03/30/1993 | USRE34205 Adaptive recognizing device |