| Patents for H03M 3 - Conversion of analogue values to or from differential modulation (7,070) |
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| 04/28/1993 | EP0539116A2 Method and apparatus for generating correction signals for forming low distortion analog signals |
| 04/27/1993 | US5206648 Oversampling da converter with operational amplifier driven by a single reference voltage |
| 04/23/1993 | WO1992010037A1 Digital data converter |
| 04/23/1993 | CA2096352A1 Digital data converter |
| 04/20/1993 | US5204635 Digital fm demodulator utilizing uncorrelated clock reference signals |
| 04/15/1993 | WO1993007679A1 Nmr receiver with sigma-delta a/d converter |
| 04/15/1993 | CA2120746A1 Nmr receiver with sigma-delta a/d converter |
| 04/06/1993 | US5200750 Digital-to-analog converter with noise-free sigma-delta modulation |
| 03/30/1993 | US5198817 High-order sigma-delta analog-to-digital converter |
| 03/30/1993 | US5198815 Two loop superconducting sigma-delta analog-to-digital converters |
| 03/30/1993 | US5198782 Low distortion amplifier output stage for dac |
| 03/23/1993 | US5196853 Sigma delta converter insensitive to asymmetrical switching times |
| 03/23/1993 | US5196852 Analog-to-digital converter using parallel ΔΣ modulators |
| 03/23/1993 | US5196850 Fourth order digital delta-sigma modulator |
| 03/16/1993 | CA1314629C High performance sigma delta based analog modem front end |
| 03/10/1993 | CA2076098A1 High-order, plural-bit-quantization sigma-delta modulators using single-bit digital-to-analog conversion feedback |
| 03/04/1993 | WO1993004535A1 Digitally controlled adaptive slew rate delta modulated ad-converter |
| 03/02/1993 | US5191332 Differentiator/integrator based oversampling converter |
| 03/02/1993 | US5191331 Sigma-delta modulator for a D/A converter with pseudorandom jitter signal insertion |
| 02/23/1993 | US5189419 Single shot sigma-delta analog to digital converter |
| 02/23/1993 | US5188117 Notch filter noise rejection system in a cardiac control device |
| 02/16/1993 | US5187482 Delta sigma analog-to-digital converter with increased dynamic range |
| 02/03/1993 | EP0525969A2 A frequency translating coherent analog to digital conversion system for modulated signals |
| 01/26/1993 | US5182558 System for generating correction signals for use in forming low distortion analog signals |
| 01/19/1993 | US5181032 High-order, plural-bit-quantization sigma-delta modulators using single-bit digital-to-analog conversion feedback |
| 01/12/1993 | US5179380 One-bit sigma-delta modulator with improved signal stability |
| 01/07/1993 | EP0521315A2 Method and arrangement for processing bandpass signals |
| 01/05/1993 | US5177699 Analogue-to-digital converter having two decimate filter circuits receiving output of a front end which is bit shifted down in being applied to one of the filter circuits |
| 01/05/1993 | US5177484 Switched capacitor oversampling analog/digital converter with noise filtering |
| 01/05/1993 | CA1312382C Arrangement for dpcm-coding with high data rate |
| 12/30/1992 | EP0520617A2 Sigma-delta analogue-to-digital converter with improved stability. |
| 12/24/1992 | DE4220012A1 Ratiometrischer konverter Ratiometric converter |
| 12/15/1992 | US5172115 Ratiometric A/D converter with non-rationometric error offset |
| 12/10/1992 | WO1992022140A1 Digital-to-analog converter-preamplifier apparatus |
| 12/10/1992 | DE4218533A1 Schaltkondensator-schaltkreis mit chopperstabilisiertem verstaerker Switched capacitor circuitry with chopperstabilisiertem verstaerker |
| 12/10/1992 | CA2110385A1 Digital-to-analog converter - preamplifier apparatus |
| 12/08/1992 | US5170368 Digital decimation filter |
| 12/02/1992 | CA2069808A1 Analogue-to-digital converters |
| 11/25/1992 | EP0515154A1 Idle channel tone and periodic noise suppression for sigma delta modulators using high level dither |
| 11/24/1992 | US5166981 Adaptive predictive coding encoder for compression of quantized digital audio signals |
| 11/19/1992 | EP0513241A1 Sigma delta modulator. |
| 11/17/1992 | US5164727 Optimal decoding method and apparatus for data acquisition applications of sigma delta modulators |
| 11/11/1992 | EP0512723A2 Analogue-to-digital converters, digital-to-analogue converters, and digital modulators |
| 11/11/1992 | EP0512687A2 A modulator, in particular a sigma-delta modulator |
| 11/10/1992 | US5162799 A/d (analog-to-digital) converter |
| 11/04/1992 | CA2067635A1 Analogue-to-digital converters, digital-to-analogue converters, and digital modulators |
| 11/03/1992 | CA1309775C Apparatus for synthesizing analog signals in pcm |
| 10/27/1992 | US5159341 Two phase sampling for a delta sigma modulator |
| 10/15/1992 | WO1992015153A3 Analogue and digital convertors |
| 10/14/1992 | EP0508597A2 ADPCM transcoder wherein different bit numbers are used in code conversion |
| 10/13/1992 | US5155743 Digital data converter |
| 10/07/1992 | EP0480012A4 Multiaccumulator sigma-delta fractional-n synthesis |
| 10/06/1992 | US5153593 Multi-stage sigma-delta analog-to-digital converter |
| 10/06/1992 | CA1308474C Arrangement for dpcm-coding of video signals |
| 09/30/1992 | EP0506094A2 A semiconductor integrated circuit and a data processor |
| 09/30/1992 | EP0506079A1 Sigma delta type digital/analog converter system with reduced quantization error |
| 09/22/1992 | US5150324 Analog arithmetic circuit that can perform multiplication division expansion and compression by using delta sigma modulator |
| 09/22/1992 | US5150120 Multiplexed sigma-delta A/D converter |
| 09/16/1992 | EP0503282A1 Motor-car radio |
| 09/15/1992 | US5148170 High resolution analogue-to-digital converter |
| 09/15/1992 | US5148167 Sigma-delta oversampled analog-to-digital converter network with chopper stabilization |
| 09/15/1992 | US5148166 Third order sigma delta oversampled analog-to-digital converter network with low component sensitivity |
| 09/08/1992 | US5146225 CMOS circuit for averaging digital-to-analog converters |
| 09/03/1992 | WO1992015153A2 Analogue and digital convertors |
| 09/02/1992 | EP0501580A1 Sigma-delta modulator |
| 09/02/1992 | EP0500918A1 Double rate oversampled interpolative modulators for analog-to-digital conversion |
| 09/01/1992 | US5144308 Idle channel tone and periodic noise suppression for sigma-delta modulators using high-level dither |
| 09/01/1992 | US5144306 Noise shaping circuit |
| 08/26/1992 | EP0499827A2 Car radio comprising a circuit for Analog/Digital conversion of the IF signal |
| 08/25/1992 | US5142286 Read-out photodiodes using sigma-delta oversampled analog-to-digital converters |
| 08/20/1992 | DE4142473A1 Delta modulation method for music signal transmission and recording - using representation of music signal by digital difference values between two scans |
| 08/18/1992 | US5140325 Sigma-delta analog-to-digital converters based on switched-capacitor differentiators and delays |
| 08/18/1992 | US5140324 Superconducting sigma-delta analog-to-digital converter |
| 08/12/1992 | CN1017855B Adaptive-filter single-bit digital encoder and decorder and adaptation control circuit responsive to bit-stream loading |
| 07/28/1992 | US5134402 Tri-level digital-analog converter and analog-digital converter having tri-level digital-analog converter |
| 07/28/1992 | US5134401 Delta sigma modulator having programmable gain/attenuation |
| 07/22/1992 | EP0495687A2 Oversampling DA converter with operational amplifier driven by a single reference voltage |
| 07/22/1992 | EP0495328A1 Sigma delta converter |
| 07/15/1992 | EP0494738A2 A sigma-delta modulator for a D/A converter with dither signal |
| 07/01/1992 | EP0492434A2 A method for converting a digital signal to an analog signal in a digital-to-analog convertor |
| 06/30/1992 | US5127022 Differential coding system |
| 06/23/1992 | US5124706 Analog to digital and digital to analog signal processors |
| 06/23/1992 | US5124705 Analog-to-digital signal converter comprising a multiple sigma-delta modulator |
| 06/23/1992 | US5124703 Digital signal requantizing circuit using multistage noise shaping |
| 06/16/1992 | US5122799 Multi-modulator digital-to-analog converter |
| 06/03/1992 | EP0488818A1 A/D (analog-to-digital) converter |
| 05/26/1992 | US5117234 Signal modulation system |
| 05/19/1992 | US5115241 Predictive coding device with increased resolution |
| 05/19/1992 | CA1301343C Oversampling a/d converter with two capacitor arrays |
| 05/12/1992 | US5113448 Speech coding/decoding system with reduced quantization noise |
| 05/12/1992 | US5113189 Frequency translating coherent analog to digital conversion system for modulated signals |
| 05/06/1992 | EP0484114A2 Plural-order sigma-delta analog-to-digital converters using both single-bit and multiple-bit quantizers |
| 05/02/1992 | CA2052720A1 Plural-order sigma-delta analog-to-digital converters using both single-bit and multiple-bit quantizers |
| 04/28/1992 | US5109395 Decimetor circuit of simple construction and high speed operation |
| 04/21/1992 | US5107519 Coding device and a decoding device |
| 04/16/1992 | WO1992005739A1 Read-out of photodiodes using sigma-delta oversampled analog-to-digital converters |
| 04/15/1992 | EP0480012A1 Multiaccumulator sigma-delta fractional-n synthesis. |
| 04/07/1992 | US5103229 Plural-order sigma-delta analog-to-digital converters using both single-bit and multiple-bit quantization |
| 04/07/1992 | US5103228 Sigma-delta modulator |
| 04/02/1992 | WO1992005637A1 Double rate oversampled interpolative modulators for analog-to-digital conversion |