| Patents for H03H 17 - Networks using digital techniques (9,654) |
|---|
| 03/04/1980 | US4191853 Sampled data filter with time shared weighters for use as an LPC and synthesizer |
| 03/04/1980 | CA1073113A1 Digital multiplier |
| 02/20/1980 | EP0008160A1 Programmable digital tone detector |
| 02/12/1980 | US4188667 ARMA filter and method for designing the same |
| 02/12/1980 | CA1071779A1 Multi-channel multiplex data transmission system |
| 02/06/1980 | EP0007729A1 Low pass digital averaging filter and method of recovering a low frequency component of a composite analog waveform |
| 02/05/1980 | US4187473 Electronic phase locked loop circuit |
| 01/29/1980 | CA1070778A1 Discrete transversal filter |
| 01/29/1980 | CA1070777A1 Digital signal processing arrangement comprising a wave digital filter |
| 01/22/1980 | US4185325 Recursive digital filter having coefficients equal to sums of few powers of few powers of two terms |
| 01/01/1980 | US4181975 Digital delay line apparatus |
| 01/01/1980 | US4181970 Digital attenuator for compressed PCM signals |
| 12/18/1979 | US4179665 Switched capacitor elliptic filter |
| 12/18/1979 | CA1068357A1 Transverse digital filter |
| 12/12/1979 | EP0005954A1 Method and apparatus for improved digital image processing |
| 10/30/1979 | US4173003 Deltic (time compressor) with adjustable multiplication ratio |
| 09/25/1979 | US4169289 Data processor with improved cyclic data buffer apparatus |
| 09/25/1979 | CA1063186A1 Recursive detector-oscillator circuit |
| 09/25/1979 | CA1063184A1 Non-recursive digital filter employing simple coefficients |
| 09/25/1979 | CA1063178A1 Modulation and filtering device |
| 09/18/1979 | CA1062815A1 Device for measuring local radiation absorption or emission in a body |
| 09/11/1979 | US4167731 Integrating code converter |
| 07/31/1979 | US4163258 Noise reduction system |
| 07/31/1979 | CA1059587A1 Digital phase shifter |
| 07/24/1979 | US4162446 Transceiver with only one reference frequency |
| 07/17/1979 | US4161697 Automatically clarifying radio receiver |
| 06/26/1979 | CA1057365A1 Digital convolutional filter |
| 05/29/1979 | US4156919 Feedforward filter |
| 05/08/1979 | US4153876 Charge transfer device radio system |
| 05/01/1979 | US4152772 Apparatus for performing a discrete cosine transform of an input signal |
| 05/01/1979 | CA1053762A1 Interpolating non-recursive digital filter |
| 04/10/1979 | US4149259 Transversal filter for convoluted image reconstruction |
| 04/10/1979 | US4149258 Digital filter system having filters synchronized by the same clock signal |
| 04/03/1979 | US4147984 Dual digital processor transceiver |
| 03/27/1979 | US4146931 Digital filter |
| 03/27/1979 | CA1051524A1 Method and apparatus for adjusting and readjusting an automatic corrector for a data signal transmission system |
| 03/20/1979 | US4145656 Transceiver capable of sensing a clear channel |
| 03/20/1979 | US4145655 Digitally transmitting transceiver |
| 03/13/1979 | CA1050619A1 Digital filters |
| 03/06/1979 | US4143326 Signal delay system |
| 02/20/1979 | US4141072 Frequency domain automatic equalizer using minimum mean square error correction criteria |
| 02/20/1979 | US4140975 Highly selective programmable filter module |
| 02/20/1979 | US4140974 Distortion corrector for the adaptive base band correction of a phase-modulated signal |
| 02/08/1979 | WO1979000035A1 Apparatus for use with a data processor for defining a cyclic data buffer |
| 01/30/1979 | US4137499 Signal strength measuring transceiver |
| 01/30/1979 | CA1047611A1 Digital tone detector using concatenated detection intervals |
| 01/30/1979 | CA1047606A1 System comprising an integrating digital signal processing device |
| 01/23/1979 | US4136398 Digital filter having coefficient number generator |
| 01/23/1979 | US4135424 Variable function generator |
| 01/23/1979 | CA1047125A1 Non-recursive digital filter with reduced output sampling frequency |
| 01/16/1979 | US4135248 Median extractor |
| 01/16/1979 | CA1046592A1 System for automatic equilization |
| 01/02/1979 | US4132951 Digital processor controlled radio system |
| 01/02/1979 | US4132950 Clarifying radio receiver |
| 12/19/1978 | US4130806 Filter and demodulation arrangement |
| 11/28/1978 | CA1043427A1 Interpolating digital filter with input buffer |
| 11/21/1978 | US4126831 Electronic phase detector circuit |
| 11/14/1978 | US4125900 Cascaded recursive digital filter |
| 11/14/1978 | US4125899 Bessel function type automatic delay equalizer |
| 11/14/1978 | US4125866 Non-recursive discrete filter |
| 11/14/1978 | CA1042523A1 Phase filter for reducing the effects of the noise components altering discrete phase modulated signals |
| 11/14/1978 | CA1042514A1 Digital data transmission systems |
| 10/24/1978 | CA1041182A1 Automatic equalizing method and system |
| 10/17/1978 | US4121296 Digital signal processing arrangement |
| 10/17/1978 | US4121171 Filtering circuit for a phase-locked loop |
| 10/03/1978 | US4118785 Method and apparatus for digital attenuation by pattern shifting |
| 10/03/1978 | US4118784 Differential DFT digital filtering device |
| 09/26/1978 | US4117541 Configurable parallel arithmetic structure for recursive digital filtering |
| 09/26/1978 | CA1039364A1 Interpolating digital filter |
| 09/12/1978 | US4114084 Turbine-generator protection system with electronic sampling filter |
| 08/22/1978 | CA1037136A1 Electric resonant transfer filter |
| 08/08/1978 | US4106102 Self-adaptive digital filter for noise and phase jitter reduction |
| 07/18/1978 | US4101964 Digital filter for pulse code modulation signals |
| 07/18/1978 | US4101881 Multiple state responsive delta-sigma converter and delay line |
| 07/18/1978 | US4101853 Frequency sampling filter |
| 06/27/1978 | US4097860 Offset compensating circuit |
| 06/27/1978 | US4097807 Automatic equalizing method and system |
| 06/20/1978 | US4096576 Analogue filter systems |
| 06/13/1978 | US4095276 Digital signal processing arrangement including a wave digital filter |
| 06/13/1978 | US4095225 Range side lobe suppression method for a phase modulated radar pulse |
| 06/06/1978 | US4093994 Fast discrete transform generator and digital filter using same |
| 05/30/1978 | US4092618 Discrete transversal filter |
| 05/23/1978 | US4091331 Arrangement for compensating carrier phase errors in a receiver for discrete data values |
| 05/09/1978 | US4089061 Method and apparatus for determining the initial values of the coefficients of a complex transversal equalizer |
| 03/21/1978 | US4080661 Arithmetic unit for DFT and/or IDFT computation |
| 02/14/1978 | US4074212 Multisection filter using inflected amplitude change function to sharpen its band-edge responses |
| 01/03/1978 | US4066978 Digital phase-locked loop filter |
| 12/20/1977 | US4064505 Signal transmission circuit comprising a coder and a decoder |
| 12/13/1977 | US4063082 Device generating a digital filter and a discrete convolution function therefor |
| 12/06/1977 | US4062060 Digital filter |
| 12/06/1977 | US4061978 Timing recovery for an automatically equalized data modem |
| 12/06/1977 | US4061905 Filter having frequency-dependent transmission properties for electric analog signals |
| 10/11/1977 | US4053750 Feedforward filter |
| 10/11/1977 | US4053713 Multi-channel multiplex data transmission system |
| 10/04/1977 | US4052605 Interpolating non-recursive digital filter |
| 09/13/1977 | US4048485 Digital filter generating a discrete convolution function |
| 09/06/1977 | US4046997 Digital-storage filter |
| 07/26/1977 | US4038539 Adaptive pulse processing means and method |
| 07/19/1977 | US4037160 Method and apparatus for adjusting and readjusting an automatic corrector for a data signal transmission system |
| 07/05/1977 | US4034197 Digital filter circuit |