| Patents for H03H 17 - Networks using digital techniques (9,654) |
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| 05/20/1992 | EP0486049A2 Decision feedback equalizer |
| 05/13/1992 | EP0484595A1 A digital transmission system, an apparatus for recording and/or reproducing, and a transmitter and a receiver for use in the transmission system |
| 05/13/1992 | EP0484383A1 Digital filter and method of design. |
| 05/12/1992 | US5113484 Rank filter using neural newwork |
| 05/06/1992 | EP0483439A1 Self-training adaptive equalization method and apparatus |
| 05/05/1992 | US5111420 Arithmetic unit using a digital filter forming a digital signal processing system with signal bypass |
| 05/05/1992 | US5111419 Electronic filters, signal conversion apparatus, hearing aids and methods |
| 05/05/1992 | US5111417 Digital filter sampling rate conversion method and device |
| 05/05/1992 | CA1300225C Method and device for digitally determining the frequency and phase of a signal |
| 04/28/1992 | US5109435 Segmentation method for use against moving objects |
| 04/28/1992 | US5109395 Decimetor circuit of simple construction and high speed operation |
| 04/28/1992 | CA1299679C Digital filter operating at intermediate frequency |
| 04/22/1992 | EP0481707A2 Switched adaptive predictive coding with noise shaping |
| 04/22/1992 | EP0481543A1 Filtering arrangement |
| 04/14/1992 | CA1298918C Sampled data subsampling apparatus |
| 04/08/1992 | EP0479562A2 Computing method of floating point represented data |
| 04/07/1992 | US5103416 Programmable digital filter |
| 04/01/1992 | EP0478207A2 Extraction of an exact symbol rate as applied to bandwidth compression of modem signals through demodulation and remodulation |
| 04/01/1992 | EP0477822A2 Method for processing an incoming digital video signal which is in the form of a sampling train |
| 04/01/1992 | EP0477690A1 Data reduction method for digital processing a series of signal values |
| 03/31/1992 | US5101418 Digital time-multiplexed quadrature frequency upconverter |
| 03/31/1992 | US5101369 Digital filter capable of sample rate alteration |
| 03/31/1992 | CA1298354C Continuously variable digital delay circuit |
| 03/25/1992 | EP0477131A2 Method and apparatus for sample rate conversion |
| 03/25/1992 | EP0477077A1 Synchronizing the sampling of signals with an external event |
| 03/25/1992 | EP0476973A1 Noise shaping circuit |
| 03/25/1992 | EP0476215A1 Multi-channel decimator |
| 03/25/1992 | EP0476214A1 Interpolator increasing the output word rate of a digital signal |
| 03/25/1992 | EP0475984A1 Process for equalizing signals by means of test sequences. |
| 03/17/1992 | US5097433 Stack filter with one stage per bit |
| 03/17/1992 | US5097331 Multiple block-size transform video coding using an asymmetric sub-band structure |
| 03/17/1992 | US5097197 Signal level attenuating device |
| 03/11/1992 | EP0474568A1 Control system for composite video signal processing filters in a multi-standard Secam television receiver |
| 03/11/1992 | EP0474548A1 Method and apparatus for improving the reproduction quality of stereophonic ambience sound |
| 03/11/1992 | EP0474226A2 Digitial filter composing apparatus and digital filter composing method therefor |
| 03/11/1992 | CN1015857B Interpolation filter with mid-value wave filter and averaging circuit |
| 03/10/1992 | CA1297195C Digital signal processor |
| 03/05/1992 | WO1992004673A1 Improved memory system |
| 03/05/1992 | DE4026476A1 Complex polyphase filter network for sampling rate change - groups in each branch folding prods. of real and imaginary parts of input signal for interpolation of decimation |
| 03/05/1992 | CA2090862A1 Memory system |
| 03/05/1992 | CA2050622A1 Method and device for improving the reproduction quality of stereo ambience sound |
| 03/04/1992 | EP0274474B1 Digital filter bank |
| 02/26/1992 | EP0472374A2 Transversal equalizer |
| 02/26/1992 | EP0471968A2 Method of processing a digital frequency multiplexed signal and for decomposing it |
| 02/20/1992 | WO1992002897A1 Image coding utilizing separable transformations |
| 02/18/1992 | US5089981 Hybrid form digital filter |
| 02/18/1992 | US5089889 Apparatus for inter-frame predictive encoding of video signal |
| 02/18/1992 | US5088496 Ultrasonic echography apparatus utilizing a digital device for forming channels, in the receiving mode |
| 02/18/1992 | CA2049403A1 Transversal equalizer |
| 02/12/1992 | EP0470294A2 Notch filter for digital transmission system |
| 02/11/1992 | US5087914 DC calibration system for a digital-to-analog converter |
| 02/05/1992 | EP0469761A2 Digital shift register using random access memory |
| 02/05/1992 | EP0469159A1 Sampling rate conversion apparatus |
| 01/23/1992 | DE4023075A1 Digital FIR filter with specified output signal value - stores prods. of N plus 1 coeffts. with all binary values of input signal in N plus 1 memories |
| 01/22/1992 | EP0467499A2 Audio apparatus with anti-howl function |
| 01/22/1992 | EP0467338A2 Ghost cancelling circuit |
| 01/22/1992 | EP0467163A1 Hybrid ciruit having a two-wire/four-wire converting function |
| 01/22/1992 | EP0466989A2 System and method for predicting signals in real time |
| 01/21/1992 | US5083203 Control signal spreader |
| 01/15/1992 | EP0466434A2 Waveform equalizing filter unit |
| 01/15/1992 | EP0466356A1 Sampling frequency conversion apparatus |
| 01/15/1992 | EP0466190A2 Quantizing error reducer for audio signal |
| 01/14/1992 | US5081605 Digital filter |
| 01/14/1992 | US5081604 Finite impulse response (fir) filter using a plurality of cascaded digital signal processors (dsps) |
| 01/08/1992 | EP0465334A1 Apparatus and method for filtering electrical signals, in particular for driving crossed-coil instruments |
| 01/08/1992 | EP0465015A1 Digital comb filter |
| 01/08/1992 | EP0464896A2 Method of image enhancement and arrangement to implement the method |
| 01/08/1992 | EP0464818A2 Device and method for estimating sampled value of impulse response and signal reproduction system using the device |
| 01/08/1992 | EP0464678A2 Input-weighted transversal filter |
| 01/08/1992 | EP0464666A2 Input-weighted transversal filter |
| 01/08/1992 | EP0464500A2 Echo canceler having adaptive digital filter unit associated with delta-sigma modulation circuit |
| 01/08/1992 | EP0464477A2 Process and circuit arrangement for converting analogue read signals into digital signals |
| 01/07/1992 | US5079734 Digital decimation filter |
| 01/06/1992 | CA2046172A1 Device and method for estimating sampled value of impulse response and signal reproduction system using the device |
| 12/31/1991 | US5077835 Receiver circuit |
| 12/31/1991 | CA1293778C Digital premodulation filter |
| 12/27/1991 | EP0462338A1 Phase shifting circuits |
| 12/26/1991 | WO1991020126A1 Phase shifting circuits |
| 12/24/1991 | US5075678 Method and apparatus for analog-to-digital conversion |
| 12/18/1991 | EP0461931A2 Adaptive equalizer capable of effectively removing a remaining fading in an equalized signal |
| 12/18/1991 | EP0307455B1 Analog/digital adaptive line enhancer |
| 12/17/1991 | US5073942 Sound field control apparatus |
| 12/17/1991 | US5073778 Digital to analog converter with dither using two parallel paths |
| 12/17/1991 | US5073733 Delay circuit with muting to prevent noise due to random data at output |
| 12/11/1991 | CN1056971A Control signal spreader |
| 12/03/1991 | US5070408 Focusing apparatus and digital filters for use therewith |
| 11/27/1991 | EP0458282A2 Phase-lock loop device operable at a high speed |
| 11/27/1991 | CN1014936B Bit-serial integrator circuitry |
| 11/26/1991 | US5068818 Hardware implemented moving average processor |
| 11/26/1991 | US5068817 Non-recursive half-band filter with complex valued coefficients for complex input and output signals |
| 11/26/1991 | US5068813 Phased digital filtering in multichannel environment |
| 11/26/1991 | US5068716 Sampling rate converter |
| 11/26/1991 | US5068667 Cross-polarization interference canceller |
| 11/26/1991 | US5068658 Method and apparatus for analog-to-digital conversion |
| 11/26/1991 | CA1292578C Side-fed superlattice for the production of linear predictor and filter coefficients |
| 11/26/1991 | CA1292520C Jitter-invariant switched capacitor pulse shaper |
| 11/20/1991 | CN1056389A Apparatus for conditioning control signal |
| 11/19/1991 | CA1292287C Non-recursive half-band filter |
| 11/13/1991 | EP0456242A1 Automatic equalizer and semiconductor integrated circuit containing such an equalizer |
| 11/13/1991 | EP0456102A2 Apparatus for conditioning a signal parameter |