| Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168) |
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| 04/04/1991 | WO1991004609A1 Parallel analog-to-digital converter using 2(n-1) comparators |
| 04/03/1991 | EP0419942A2 Frequency-digital converter |
| 04/03/1991 | EP0199745B1 Analog-to-digital converter |
| 04/03/1991 | CN1050478A Fet comparator circuitry |
| 04/02/1991 | US5005145 Method and apparatus for calibrating a scan convertor |
| 04/02/1991 | US5005059 Digital-to-analog converting field effect device and circuitry |
| 04/02/1991 | CA1282494C D/a converter capable of producing an analog signal having levels of a preselected number different from 2 and communication network comprising the d/a converter |
| 03/28/1991 | DE4028792A1 Coded angle indicator disc - uses common light source and photodetector coupled to opposite sides of apertured disc periphery |
| 03/27/1991 | EP0419278A2 Analogue-to-digital converters |
| 03/27/1991 | EP0418958A2 Method and device for converting an analog input signal into control codes and for synthesizing a corresponding output signal under the control of those control codes |
| 03/26/1991 | US5003360 Semiconductor functional element |
| 03/26/1991 | US5003260 Inductive position sensor having plural phase windings on a support and a displaceable phase sensing element returning a phase indicating signal by electromagnetic induction to eliminate wire connections |
| 03/26/1991 | US5003170 Reference signal generation apparatus for position detector with Fraunhofer diffraction |
| 03/21/1991 | WO1991003878A2 Voltage coupling circuit for digital-to-time converter |
| 03/21/1991 | CA2306666A1 Conversion circuit for an electromagnetic flow transmitter |
| 03/20/1991 | EP0418184A1 Push pull double digital-to-analog converter |
| 03/20/1991 | EP0417902A1 Switchable DAC with current surge protection |
| 03/20/1991 | EP0229764B1 Interpolative analogue to digital converter |
| 03/20/1991 | EP0186239B1 Integrated circuit comprising capacitances of different capacitance values |
| 03/19/1991 | US5001683 Inter-pulse time difference measuring circuit |
| 03/19/1991 | US5001484 DAC current source bias equalization topology |
| 03/19/1991 | US5001483 Digital to analog converter for an acoustic charge transport device |
| 03/19/1991 | US5001482 BiCMOS digital-to-analog converter for disk drive digital recording channel architecture |
| 03/19/1991 | US5001481 MOS transistor threshold compensation circuit |
| 03/19/1991 | US5001480 Analog-to-digital and digital-to-analog conversion system and echo cancellation device including the same |
| 03/19/1991 | US5001479 Gray code converter with error signal |
| 03/19/1991 | US5001360 Method and device for converting voltage to frequency |
| 03/12/1991 | US4999697 Sequential-quenching resonant-tunneling transistor |
| 03/12/1991 | US4999633 Self-calibrating A/D and D/A converter |
| 03/12/1991 | US4999632 Analog to digital conversion with noise reduction |
| 03/12/1991 | US4999631 High-precision and high-speed analog/digital converter having low power consumption |
| 03/12/1991 | US4999630 Fast analog-digital converter with parallel structure |
| 03/12/1991 | US4999628 Analog-to-digital converting unit with broad dynamic range |
| 03/12/1991 | US4999626 Apparatus having a modular decimation architecture |
| 03/12/1991 | US4999624 High speed high resolution analog/digital converter circuit |
| 03/12/1991 | CA1281423C Optimization network for the decomposition of signals |
| 03/12/1991 | CA1281182C Displacement measuring apparatus |
| 03/07/1991 | DE4021010A1 Incremental length measurement system for machine tools - has scale carrier with incremental track, two parallel reference tracks, sensing and evaluation devices |
| 03/06/1991 | EP0415474A1 Device for optimising the operating range of an A/D converter |
| 03/06/1991 | EP0415186A1 Digital-analog converter circuit |
| 03/06/1991 | EP0414953A1 Position detection device |
| 03/06/1991 | EP0414900A1 Rotary encoder |
| 03/06/1991 | EP0141386B1 Digital-to-analog converting apparatus |
| 03/05/1991 | US4998109 Analog to digital conversion device by charge integration using delay-line time measurement |
| 03/05/1991 | US4998108 Large range, high speed, high accuracy digital-to-analog converter |
| 03/05/1991 | US4998107 Control method of multi-channel digital-to-analog converting circuit |
| 03/05/1991 | US4998106 Reference voltage regulation apparatus for an automatic gain control system |
| 03/05/1991 | US4998105 Absolute position encoder |
| 03/05/1991 | US4998013 Optical encoder with inactive photodetectors |
| 02/27/1991 | EP0414593A2 Digital-to-analog converter having a ladder type resistor network |
| 02/27/1991 | EP0414556A2 Compensating circuit for compensating distortion of video signal by detecting distortion of ramp signal in video signal |
| 02/27/1991 | EP0414426A1 Superconducting analog-to-digital converter with grounded four-junction squid bidirectional counter |
| 02/27/1991 | EP0414401A2 Analogue-to-digital converter |
| 02/27/1991 | EP0414389A1 Serial parallel type A/D converter |
| 02/27/1991 | CN1011845B Digital-analog converter |
| 02/27/1991 | CN1011844B Variable gain encoder apparatus and method |
| 02/27/1991 | CN1011822B Capacitive and rotary transmitter |
| 02/26/1991 | US4996657 Steering angle detecting system for automotive vehicles |
| 02/26/1991 | US4996570 Semiconductor structure having a conductive channel |
| 02/26/1991 | US4996530 Statistically based continuous autocalibration method and apparatus |
| 02/26/1991 | US4996528 Use with an analog-digital-analog conversion device |
| 02/22/1991 | WO1991003105A1 Digital-to-analog converter |
| 02/21/1991 | WO1991002411A1 Analog-to-digital converter |
| 02/20/1991 | EP0413287A2 One-chip semiconductor integrated circuit device having a digital signal processing circuit and an analog signal processing circuit |
| 02/19/1991 | US4994846 Auto strobe camera |
| 02/19/1991 | US4994808 Pipelined analog to digital converter with summing and comparator functions occurring in parallel for each bit |
| 02/19/1991 | US4994807 Voltage-to-frequency converter |
| 02/19/1991 | US4994806 Flash-successive approximation analog-to-digital converter |
| 02/19/1991 | US4994803 Random number dither circuit for digital-to-analog output signal linearity |
| 02/13/1991 | EP0412609A2 Integrator circuit |
| 02/12/1991 | US4992792 Digital-analog converter for converting digital audio signals |
| 02/12/1991 | US4992791 Apparatus and method for digital to analog signal conversion using an analog to digital signal converter |
| 02/12/1991 | US4992724 Bridge balancing circuit |
| 02/12/1991 | US4992673 Fast settling voltage to frequency converter for high speed analog to digital conversion |
| 02/12/1991 | CA1280162C Digital-to-analog calibration system |
| 02/05/1991 | US4991125 Absolute position |
| 02/05/1991 | US4990917 Parallel analog-to-digital converter |
| 02/05/1991 | US4990916 Single-supply digital-to-analog converter for control function generation |
| 02/05/1991 | US4990915 Signal processing device such as a digital filter utilizing redundant binary expression and operating method therefor |
| 02/05/1991 | US4990914 Method and apparatus for interpolative A/D conversion |
| 02/05/1991 | US4990913 Analog to digital converter for highly dynamic signals, using a variable reference voltage to floating decimal point output |
| 02/05/1991 | US4990912 Digital peak/valley detector |
| 02/05/1991 | US4990909 Revolution counter using a magnetic bubble device for multi-turn absolute encoder |
| 02/05/1991 | CA1279932C High resolution pipelined digital-to-analog converter |
| 01/31/1991 | DE3924503A1 High precision D=A converters with decoder and-switches - has specified number of switches for identical currents, with decoder activating some switches |
| 01/30/1991 | EP0410063A1 Differential cascode current switch (DCCS) logic circuit family with input diodes |
| 01/29/1991 | US4989005 Method of analog/digital conversion |
| 01/29/1991 | US4989004 Analog-to-digital converting unit for successive approximation |
| 01/29/1991 | US4989003 Autozeroed set comparator circuitry |
| 01/29/1991 | US4989002 Common-mode error self-calibration circuit and method of operation |
| 01/29/1991 | US4989001 Microcontroller based resolver-to-digital converter |
| 01/29/1991 | US4988945 Optical and magnetic encoder for serially transmitting absolute position signals with an auxiliary power supply |
| 01/29/1991 | US4988900 Analog signal waveform generator |
| 01/24/1991 | WO1991000984A1 Absolute value encoder |
| 01/24/1991 | DE4020532A1 Fast A=D converter - uses voltage divider in conjunction with parallel comparators with voltage offsets |
| 01/23/1991 | EP0408799A1 Method of interpolating position measurement signals |
| 01/22/1991 | US4987417 Adaptive referencing analog-to-digital converter |
| 01/22/1991 | US4987416 Analog to digital converters |
| 01/22/1991 | US4987414 Signal processing circuit for an encoder |
| 01/22/1991 | US4987040 Magnetic rotary encoders and magnetic linear scales |