Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168) |
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01/16/1991 | EP0408115A1 Signal-source arrangement |
01/16/1991 | EP0407859A1 High speed auto zero comparator |
01/16/1991 | EP0154654B1 Device for detecting position of rotor of motor |
01/15/1991 | US4985702 Analog to digital converter with second order error correction |
01/10/1991 | WO1991000499A1 Encoder |
01/09/1991 | EP0407048A2 A dual channel A/D and D/A converter |
01/09/1991 | EP0406973A1 Analog-to-digital converter |
01/09/1991 | EP0406508A1 Device for reducing the redundancy in blocks of digital video data in DCT encoding |
01/09/1991 | CN1048471A Acquisition method and device allowing to precisely digitize analog signals |
01/09/1991 | CN1011178B A/d converter controlled by circulation of power supply |
01/08/1991 | US4983974 Analog-to-digital conversion by varying both inputs of a comparator utilizing successive approximation |
01/08/1991 | US4983973 Non-linear analog-to-digital converter |
01/08/1991 | US4983971 Superconducting |
01/08/1991 | US4983969 Successive approximation analog to digital converter |
01/08/1991 | US4983968 Parallel analog-digital converter with error-correction circuit |
01/08/1991 | US4983925 Signal sampling device for minimizing the errors effecting successively stored signal samples |
01/03/1991 | DE3921272A1 Numerically integrating A=D converter - process input pulses using integrating parallel converter to increase resolution |
01/02/1991 | EP0406080A1 Method and apparatus for registering analogue data allowing accurate digitization |
01/02/1991 | EP0404980A1 Capacitance-type measuring method for absolute measurement of positions |
01/02/1991 | EP0404975A1 Capacitive type measurement transducer with improved electrode arrangement |
01/02/1991 | EP0404775A1 Method and apparatus for high resolution analog-digital-analog transformations |
01/02/1991 | CA1278623C Current-steering digital-to-analog converter for providing bi-directional currents through a load |
01/01/1991 | US4982194 Back-sampling charge redistribution analog to digital converter |
01/01/1991 | US4982193 Analogue to digital conversion: method and apparatus therefor |
01/01/1991 | US4982192 Digital-to-analog converter having common adjustment means |
01/01/1991 | US4982191 Clamping apparatus and gain control apparatus |
01/01/1991 | US4982190 Digital arrangement having for its object to shunt ground separations at video circuits |
01/01/1991 | US4982189 Encoder with wide index |
01/01/1991 | US4982118 Data acquisition system having a metastable sense feature |
01/01/1991 | US4982085 Incremental optical encoder with radiation regulation means |
12/29/1990 | CA2020096A1 Acquisition method and device giving an accurate digitization of analog signal |
12/27/1990 | WO1990016114A1 Digital to analog converters |
12/27/1990 | EP0404535A2 Bandwidth compression device |
12/27/1990 | EP0404476A2 Comparator circuitry |
12/27/1990 | EP0404237A2 Method and device for noise supression of a digital signal |
12/27/1990 | EP0143354B1 Multistage angle encoder |
12/26/1990 | CN1011018B Extrema coding digitizing signal processing method and apparatus |
12/26/1990 | CN1011013B Sample-and-hold-stage and its use in parallel a/d converters |
12/26/1990 | CN1011012B Digital feedback double sampling a/d converter of high precision |
12/26/1990 | CN1010992B Coding mode for high-density digital recording in multiple tracks |
12/25/1990 | US4980687 Digital demodulator |
12/19/1990 | EP0402742A2 Noise shaping requantization circuit |
12/19/1990 | CN1047948A Apparatus for digitally controlling d.c. value of processed signal |
12/18/1990 | US4979177 Enhanced counter/timer resolution in a logic analyzer |
12/18/1990 | US4978959 Analog to digital converter, a digital to analog converter and an operational amplifier therefor |
12/18/1990 | US4978958 A/D converter |
12/18/1990 | US4978957 High-speed analog-to-digital converter |
12/18/1990 | US4978954 Non-contact type potentiometer employing a triangular wave encoder |
12/13/1990 | WO1990015481A1 Apparatus and method for producing pulse width modulated signals from digital information |
12/13/1990 | DE3905162A1 Analog/digital-wandler mit fensterdetektor und veraenderlichem tastverhaeltnis Analog / digital converter window detector with variable duty cycle and |
12/12/1990 | EP0401353A1 Variable resistors |
12/12/1990 | EP0401245A1 Digital to analogue converter. |
12/12/1990 | CN2067467U Multifunction axial angle coder |
12/11/1990 | US4977402 Nonhysteretic periodic-threshold SQUID comparator and A/D converter |
12/05/1990 | EP0238646B1 Dual slope converter with large apparent integrator swing |
12/05/1990 | EP0235235B1 Analogue-to-digital conversion apparatus |
12/04/1990 | US4975702 CMOS waveform digitizer |
12/04/1990 | US4975701 Exponential gain control for nonlinear analog-to-digital converter |
12/04/1990 | US4975700 Analog-to-digital converter with non-linear error correction |
12/04/1990 | US4975698 For use in an analog-to-digital converter |
11/29/1990 | WO1990014717A1 High linearity d/a converter |
11/29/1990 | DE4015099A1 Messwandler Transducers |
11/28/1990 | EP0399968A1 A method and arrangement for avoiding erroneous echoelimination and/or for avoiding erroneous equalization in a telecommunication system |
11/28/1990 | EP0399456A2 D/A converter having improved segment arrangement |
11/28/1990 | EP0399303A2 Non-linear analog to digital converter |
11/28/1990 | EP0399120A2 D/A conversion circuit |
11/27/1990 | US4973979 Circuit and method for converting digital signal into corresponding analog signal |
11/27/1990 | US4973978 Voltage coupling circuit for digital-to-time converter |
11/27/1990 | US4973977 Digital to amplitude modulated analog converter |
11/27/1990 | US4973976 Multiplexing parallel analog-digital converter |
11/27/1990 | US4973975 Initial potential setting circuit for a sample/hold circuit associated with an A/D converter |
11/27/1990 | US4973974 Multi-stage analog-to-digital converting device |
11/27/1990 | US4973962 Signal level detect circuits |
11/27/1990 | US4973959 Digital pulse circuit for processing successive pulses |
11/27/1990 | US4973857 Current divider circuit |
11/27/1990 | CA1276994C Automatic gain control in a digital signal processor |
11/24/1990 | CA2017486A1 Apparatus and method for optical encoding |
11/22/1990 | EP0398638A2 Digital-to-analog converter device |
11/22/1990 | EP0398418A2 High speed analog-to-digital converter |
11/22/1990 | DE3916482A1 PCM signal conversion into pulse width modulated signals - supplying bit-reduced data words to presettable counter data inputs |
11/20/1990 | US4972189 Correction for DC offset in A/D converters |
11/20/1990 | US4972188 Signal processing system |
11/20/1990 | US4972080 Signal processing apparatus for pulse encoder with A/D conversion and clocking |
11/15/1990 | WO1990013949A1 Input stage for flash a/d converter |
11/15/1990 | DE4013701A1 Analog input signal A=D conversion method - determining quantising residue in two steps, first one using subtraction and second forming quantising residue |
11/13/1990 | US4970515 Self-calibrating A/D and D/A converter |
11/13/1990 | US4970514 Calibration method for redundant A/D and D/A converters with a weighted network |
11/13/1990 | US4970513 Device for converting an analog signal into a digital signal of a parallel comparison type with error suppression circuits |
11/13/1990 | US4970511 Method and apparatus for n/(n-x) resolver encoder |
11/13/1990 | CA1276307C Complementary voltage interpolation circuit |
11/08/1990 | DE4019435A1 A=D conversion for analog input signal - determines coarse value with N bit resolution from input signal by subtraction from constant voltages |
11/06/1990 | US4969034 Method of signal enhancement |
11/06/1990 | US4968990 Analog-to-digital converter with all parallel BiCMOS |
11/06/1990 | US4968989 Switched capacitor filter for use with a digital-to-analog (D/A) converter |
11/06/1990 | US4968988 Time interleaved analog-digital converter and a method for driving the same |
11/06/1990 | US4968986 Wide bandwidth analog-to-digital converter and method |
11/06/1990 | CA1276042C Digitally programmable signal generator and method |
11/01/1990 | WO1990013185A1 A method and arrangement for avoiding erroneous echo-elimination and/or equalization in a telecommunication system |
11/01/1990 | WO1990007826A3 Variable resistors |
10/31/1990 | EP0395076A2 Speech coding apparatus |