Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168) |
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11/23/1999 | US5990814 Method and circuit for calibration of flash analog to digital converters |
11/23/1999 | US5990707 Method and system for sliced integration of flash analog to digital converters in read channel circuits |
11/18/1999 | WO1999059250A1 Dynamic digital to synchro converter |
11/18/1999 | WO1999059055A1 Method for analog-digital conversion of analog signals and corresponding analog-digital converter array |
11/17/1999 | EP0957585A2 Method for correcting errors in parallel A/D conversion, corrector and parallel A/D converter |
11/17/1999 | CN1235421A Noise protection circuits |
11/16/1999 | US5987491 General purpose charge mode analog operation circuit |
11/16/1999 | US5986599 Voltage comparator for analog-to-digital converter |
11/16/1999 | US5986595 Reduction of mismatch errors for multibit oversampled data converters |
11/11/1999 | WO1999057671A1 Method and circuit for compensating the non-linearity of capacitors |
11/11/1999 | DE19828399C1 High speed digital to analog converter for PWM output signals of lambda-probe in motor vehicle |
11/10/1999 | EP0955678A1 Improvements in or relating to digital-to-analog converters |
11/10/1999 | EP0955582A2 Timer for an A/D converter |
11/10/1999 | EP0954907A1 Digital to analogue converter and method of operating the same |
11/10/1999 | EP0897617B1 Digital to analogue converter with reference signal |
11/10/1999 | CN1234654A Digital to analog convertor and semiconductor integrated circuit using same, and detection method therefor |
11/09/1999 | US5982841 Time counting circuit, pulse converting circuit and FM demodulating circuit |
11/09/1999 | US5982820 Bandpass phase tracker with hilbert transformation before plural-phase analog-to-digital conversion |
11/09/1999 | US5982811 Method for efficient sampling in a correlator |
11/09/1999 | US5982551 Optical encoder wheel with split lens ring |
11/09/1999 | US5982318 Linearizing offset cancelling white balancing and gamma correcting analog to digital converter for active pixel sensor imagers with self calibrating and self adjusting properties |
11/09/1999 | US5982317 Oversampled digital-to-analog converter based on nonlinear separation and linear recombination |
11/09/1999 | US5982312 A/D converter circuit capable of compensating A/D-converted digital signals |
11/09/1999 | US5982311 A/D conversion device |
11/09/1999 | US5982310 Digital signal processing apparatus |
11/09/1999 | US5982205 Low voltage sample and hold circuits |
11/04/1999 | WO1999056397A1 Programmable digitizer |
11/04/1999 | WO1999056396A2 Testable ic having analog and digital circuits |
11/04/1999 | DE19819069A1 Schaltungsanordnung zur arithmetischen Verknüpfung eines Analogsignals mit einem in digitaler Form vorliegenden Wert sowie Verfahren und Schaltungsanordnung zur Bestimmung eines Winkels Circuitry for arithmetic combination of an analog signal with a present value in digital form and method and circuit for determining an angle |
11/03/1999 | EP0954158A2 Data optimized codec |
11/03/1999 | EP0832518A4 Dac having separate main and correcting outputs |
11/03/1999 | EP0739549B1 Method and apparatus for calibrating a gain control circuit |
11/02/1999 | US5977953 Mechanic encoder having single conductors ring |
11/02/1999 | US5977900 D/A converter |
11/02/1999 | US5977898 Decoding scheme for a dual resistor string DAC |
11/02/1999 | US5977897 Resistor string with equal resistance resistors and converter incorporating the same |
11/02/1999 | US5977894 Digital calibration for analog-to-digital converters with implicit gain proration |
11/02/1999 | US5977893 Method for testing charge redistribution type digital-to-analog and analog-to-digital converters |
11/02/1999 | CA2156889C Method and apparatus for encoding and decoding data |
10/28/1999 | WO1999055006A1 Two stage resistive divider dac using pmos and nmos switches |
10/28/1999 | WO1999055005A1 Analog-to-digital converter with successive approximation |
10/28/1999 | DE19910755A1 Linear current sensing circuit for motor controller |
10/28/1999 | DE19820735C1 Zeitgeber für einen A/D-Wandler Timer for an A / D converter |
10/28/1999 | CA2329119A1 Analog-to-digital converter with successive approximation |
10/27/1999 | EP0952672A2 Digital-to-analog conversion circuit and analog-to-digital conversion device using the circuit |
10/27/1999 | EP0952671A2 Pipeline analog-to-digital conversion system using a modified coding scheme and method of operation |
10/27/1999 | CN1233112A Digital-to-analog converter and digital-to-analog converting method |
10/26/1999 | US5973633 Weighted capacitor array with selective grouping to form array elements |
10/26/1999 | US5973632 Sub-range flash analog-to-digital converter |
10/26/1999 | US5973631 Test circuit and method of trimming a unary digital-to-analog converter (DAC) in a subranging analog-to-digital converter (ADC) |
10/26/1999 | US5973536 Switched capacitor filter |
10/26/1999 | US5973535 Semiconductor circuit using feedback to latch multilevel data |
10/26/1999 | US5973523 Time counting circuit, sampling circuit, skew adjusting circuit, and logic analyzing circuit |
10/21/1999 | WO1999053619A2 A multi-output digital to analog converter |
10/21/1999 | DE19917357A1 Receiver for nonlinear signal for detecting original data from binary data stream input signal enables models of sampled signals to be produced from preceding, current and future bit data, access time phase correction |
10/21/1999 | DE19916879A1 Self calibrating current-controlled digital to analog converter |
10/20/1999 | EP0951146A1 A digital-to-analog converter |
10/20/1999 | EP0950287A2 Analog-to-digital conversion |
10/20/1999 | CN1232321A High speed and high-accuracy A/D converter |
10/19/1999 | US5969659 Analog to digital converters with extended dynamic range |
10/19/1999 | US5969658 R/2R ladder circuit and method for digital-to-analog converter |
10/19/1999 | US5969657 Digital to analog converter |
10/19/1999 | US5969656 Digital-to-analog converter for increasing number of bits converted |
10/19/1999 | US5969653 Testing control signals in A/D converters |
10/14/1999 | WO1999035604A3 Synchro-to-digital conversion with windowed peak detection |
10/13/1999 | EP0949755A2 Switched capacitor amplifier with one-clock delay |
10/13/1999 | EP0948844A2 Method and device for detecting bits in a data signal |
10/13/1999 | EP0948843A2 Sigma-delta modulator with improved gain accuracy |
10/12/1999 | US5966088 Analog/digital converter and voltage comparator capable of fast producing of output offset voltage |
10/12/1999 | US5964708 Beamformed ultrasonic imager with delta-sigma feedback control |
10/07/1999 | WO1999040682A3 Combined input circuit |
10/06/1999 | EP0948139A1 Stabilization of single loop sigma delta modulators of a high order |
10/06/1999 | EP0948122A2 Analog-to-digital converter for processing analog signals from a large array of detectors |
10/05/1999 | US5963604 Communication signal receiver with sampling frequency control |
10/05/1999 | US5963590 Method for receiving digital radio signals and a digital radio signals receiver |
10/05/1999 | US5963510 Time measurement device |
10/05/1999 | US5963161 Iterative mapped analog-to-digital converter |
10/05/1999 | US5963160 Analog to digital conversion using nonuniform sample rates |
10/05/1999 | US5963159 Arrangement and method for controlling gain of analog-to-digital converters |
10/05/1999 | US5963158 Current amplifier and current mode analog/digital converter using the same |
10/05/1999 | US5963157 Method and apparatus for the addition and removal of a dither signal |
09/30/1999 | WO1999049381A1 Dither noise source with notched frequency spectrum |
09/30/1999 | DE19810826A1 Measurement device for digital detection of analog measurement signals |
09/29/1999 | EP0945987A2 Process for the linearization of the transfer characteristic of an analog-to-digital converter and a respective circuit |
09/29/1999 | CN1230053A Twelve position mode/digit converting card |
09/29/1999 | CN1229923A Voltage indicator using serial comparison voltage measurement |
09/28/1999 | US5959565 Switched capacitor |
09/28/1999 | US5959564 Broken thermometer code and comparator error correction by pseudo majority gate decoding in analog-to-digital converters |
09/28/1999 | US5959563 Analogue to digital converter with adaptive sample timing based on statistics of sample values |
09/28/1999 | US5959561 Digital analog converter with means to overcome effects due to loss of phase information |
09/28/1999 | US5959497 Process for controlling the power of the transmission amplifier of radio equipment |
09/28/1999 | US5959469 Chopper comparator showing high speed and low power operations free of malfunction under variation of logical threshold voltage of invertor |
09/28/1999 | CA2181809C Split frequency band signal digitizer and method |
09/28/1999 | CA2181807C Wideband frequency signal digitizer and method |
09/28/1999 | CA2162516C An analog-to-digital converter circuit |
09/23/1999 | WO1999048219A1 METHOD AND APPARATUS FOR CLOCK TIMING RECOVERY IN ψDSL, PARTICULARLY VDSL MODEMS |
09/23/1999 | WO1999048210A1 Da conversion circuit |
09/23/1999 | WO1999048206A2 Bicmos switch circuit |
09/23/1999 | WO1999039440A3 Device for processing a digital signal |
09/23/1999 | WO1999034572A3 Method and apparatus for representing an analog waveform as digital messages |