| Patents for H03H 17 - Networks using digital techniques (9,654) |
|---|
| 04/25/1989 | US4825448 Subscriber unit for wireless digital telephone system |
| 04/25/1989 | US4825398 Method and apparatus for converting an input scanning sequence into an output scanning sequence |
| 04/25/1989 | US4825396 Digital circuit for sampling rate variation and signal filtering and method for constructing the circuit |
| 04/20/1989 | DE3733966A1 Arrangement for receiving severely disturbed signals of the transmitter DCF-77 |
| 04/19/1989 | EP0312463A1 Digital filter device and radar comprising such a device |
| 04/19/1989 | EP0312193A2 Code correlation arrangement |
| 04/19/1989 | EP0312137A2 Bandfilter |
| 04/18/1989 | US4823299 For solving equations |
| 04/18/1989 | US4823296 First order digital filter with controlled boost/truncate quantizer |
| 04/18/1989 | CA1252842A1 Predictive communication system filtering arrangement |
| 04/18/1989 | CA1252831A1 Equalizer with improved performance |
| 04/11/1989 | US4821223 Two-dimensional finite impulse response filters |
| 04/05/1989 | EP0310457A2 Digital premodulation filter |
| 04/05/1989 | EP0310274A2 Digital signal processing apparatus |
| 04/05/1989 | EP0309975A2 Horizontal filter for a luminance signal and a chrominance signal |
| 04/05/1989 | EP0309888A1 Method and circuit arrangement for producing filtered signals |
| 04/04/1989 | US4819252 Sampled data subsampling apparatus |
| 03/29/1989 | EP0308826A2 Adaptive-filter single-bit digital encoder and decoder with adaptation control circuit responsive to bitstream loading |
| 03/29/1989 | EP0308649A2 Digital filter tree |
| 03/29/1989 | EP0308501A1 Digital adaptive filter |
| 03/28/1989 | US4817081 Adaptive filter for producing an echo cancellation signal in a transceiver system for duplex digital communication through one single pair of conductors |
| 03/28/1989 | US4817047 Processing circuit capable of raising throughput of accumulation |
| 03/28/1989 | US4817025 Digital filter |
| 03/28/1989 | US4816805 Residue number system shift accumulator decoder |
| 03/21/1989 | US4815023 Quadrature mirror filters with staggered-phase subsampling |
| 03/21/1989 | US4814727 Wide-deviation tracking filter circuit |
| 03/21/1989 | EP0199745A4 Analog-to-digital converter. |
| 03/21/1989 | CA1251527A1 Adaptive stop-notch filter |
| 03/15/1989 | EP0307035A2 Adjusting filter coefficients |
| 03/15/1989 | CN1031768A Bit-serial integrator circuitry |
| 03/15/1989 | CN1031166A Adjustable echo canceller |
| 03/14/1989 | US4813001 AC calibration method and device by determining transfer characteristics |
| 03/08/1989 | EP0305864A2 Improved sampling frequency converter for converting a lower sampling frequency to a higher sampling frequency and a method therefor |
| 03/08/1989 | EP0305708A2 Digital decimating filter |
| 03/08/1989 | EP0305385A1 Digital zero if selectivity section |
| 03/07/1989 | US4811264 Numerical precorrection technique |
| 03/07/1989 | US4811263 Infinite impulse response filters |
| 03/07/1989 | US4811262 Distributed arithmetic realization of second-order normal-form digital filter |
| 03/07/1989 | US4811260 Signal processing circuit |
| 03/07/1989 | US4811259 Limited shift signal processing system and method |
| 03/07/1989 | CA1250910A1 Asynchronous and non-data decision directed equalizer adjustment |
| 03/01/1989 | EP0304841A2 Bit-serial integrator circuitry |
| 02/28/1989 | US4809209 Mybrid charge-transfer-device filter structure |
| 02/28/1989 | US4809208 Programmable multistage digital filter |
| 02/28/1989 | US4809207 Recursive first order digital video signal filter |
| 02/28/1989 | US4809206 Information processing apparatus |
| 02/28/1989 | US4809203 Hybrid analog-digital filter |
| 02/28/1989 | US4808939 Variable rate rectangular matched filter |
| 02/28/1989 | CA1250657A1 Adaptive filtering system |
| 02/22/1989 | EP0304362A1 Digital calculating apparatus for data transmission equipment using code 2B1Q or the like |
| 02/22/1989 | CN1031306A Home unit for wireless digital telephone system |
| 02/21/1989 | US4807174 Apparatus and method for quantizing a set of weights for a weighted sum signal processing system |
| 02/21/1989 | US4807173 Frequency-domain block-adaptive digital filter |
| 02/21/1989 | US4807171 Digital phase rotation of signals |
| 02/21/1989 | CA1250348A1 Adaptive noise suppressor |
| 02/15/1989 | EP0303051A2 Side-fed superlattice for the production of linear predictor and filter coefficients |
| 02/15/1989 | EP0302940A1 Signal input device |
| 02/14/1989 | US4805129 Two-dimensional finite impulse response filter arrangements |
| 02/14/1989 | US4803993 Ultrasonic diagnosis apparatus |
| 02/07/1989 | US4803650 Method of configuring an n- th degree switched capacitor filter |
| 02/07/1989 | US4803648 Echo canceller using an adaptive finite impulse response filter |
| 02/07/1989 | US4803647 Sampled data audio tone control apparatus |
| 02/01/1989 | EP0301627A1 Digital echo canceller |
| 02/01/1989 | CN1030832A Digital-to-digital code converter |
| 02/01/1989 | CN1030827A Device for eliminating fixed echoes for ultrasonic echograph |
| 01/31/1989 | US4802222 Data compression system and method for audio signals |
| 01/31/1989 | US4802111 Cascadable digital filter processor employing moving coefficients |
| 01/31/1989 | US4802110 Two-dimensional finite impulse response filter arrangements |
| 01/31/1989 | US4802109 Data-processing system for obtaining expanded and interpolated data |
| 01/31/1989 | US4802108 Circuit for providing a select rank-order number from a plurality of numbers |
| 01/31/1989 | US4802098 Digital bandpass oscilloscope |
| 01/31/1989 | CA1249640A1 Digital delay filter |
| 01/25/1989 | EP0300684A2 A digital-to-digital code converter |
| 01/25/1989 | EP0300352A1 Test apparatus for digital echo cancellers |
| 01/24/1989 | US4800517 Word-sliced signal processor |
| 01/17/1989 | US4799212 Circuit for controlling two signals approximately 90 degree apart in phase |
| 01/17/1989 | US4799179 Signal analysing and synthesizing filter bank system |
| 01/17/1989 | US4799025 Digital FM demodulator using digital quadrature filter |
| 01/11/1989 | EP0298569A1 Device to eliminate fixed echoes in an ultrasonic echograph |
| 01/10/1989 | US4797898 Method and apparatus for equalization of data transmission system |
| 01/10/1989 | US4797846 Digital resonant filter |
| 01/10/1989 | US4797845 Phase-locked loop coefficient generator for a filter arrangement having a non-rational ratio between input and output sampling frequencies |
| 01/10/1989 | CA1248632A1 Signal analysing and synthesizing filter bank system |
| 01/10/1989 | CA1248626A1 Noise adjusted recursive filter |
| 01/10/1989 | CA1248603A1 Method to compensate for the truncation error in a sampled signal and a device for carrying out the method |
| 01/03/1989 | US4796216 Linear predictive coding technique with one multiplication step per stage |
| 01/03/1989 | CA1248219A1 Signals to noise ratio enhancement using baseband signals in an fm television system |
| 12/28/1988 | EP0296315A2 Numerical precorrection Technique |
| 12/27/1988 | US4794556 Method and apparatus for sampling in-phase and quadrature components |
| 12/27/1988 | US4794555 Waveform shaping circuit |
| 12/21/1988 | EP0295464A2 Rank-order filter |
| 12/21/1988 | CN88103012A Method of digitally evaluating frequency and phase of signals, and device for implemeting such method |
| 12/20/1988 | US4792943 Digital filter bank |
| 12/20/1988 | US4792916 Digital signal processing device working with continuous bit streams |
| 12/20/1988 | US4792915 Non linear adaptive filters |
| 12/14/1988 | EP0295160A1 Method for numerically evaluating the frequency and phase of signals and device using such a method |
| 12/13/1988 | US4791597 Multiplierless FIR digital filter with two to the Nth power coefficients |
| 12/13/1988 | US4791596 Method of linear filtering |
| 12/13/1988 | CA1246722A1 Digital phase rotation of signals |
| 12/07/1988 | EP0294020A2 Vector adaptive coding method for speech and audio |