| Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168) |
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| 09/04/1991 | EP0444234A1 Method and device for analogue/digital conversion |
| 09/04/1991 | EP0444233A1 Method and device for the analogue/digital conversion of a time-variant analogue input signal |
| 09/04/1991 | EP0238653B1 High resolution pipelined digital-to-analog converter |
| 09/03/1991 | US5046158 Optical scanning apparatus with control circuit for optimizing the operating range of an A/D converter |
| 09/03/1991 | US5045832 Digitally controlled variable resistor |
| 09/03/1991 | US5045685 Analog to digital conversion on multiple channel IC chips |
| 08/27/1991 | US5043932 Apparatus having modular interpolation architecture |
| 08/27/1991 | US5043733 Subtractor-amplifier circuit for cascaded analog-digital converter |
| 08/27/1991 | US5043732 Analog-to-digital converter employing a pipeline multi-stage architecture |
| 08/27/1991 | US5043731 Digital-to-analog converter having a ladder type resistor network |
| 08/27/1991 | US5043730 Digital-analog conversion circuit with application of voltage biasing for distortion stabilization |
| 08/27/1991 | CA1288165C Clock-controlled voltage-to-frequency converter |
| 08/27/1991 | CA1288138C Clock-controlled pulse width modulator |
| 08/22/1991 | WO1991012669A1 Coding circuit |
| 08/22/1991 | WO1991012668A1 Process for converting an analog voltage to a digital value |
| 08/22/1991 | WO1991012667A1 Differential digital/analog converter |
| 08/22/1991 | DE4005037A1 Analogue=digital voltage converter - uses binary values representing results of successive comparisons with respective reference voltages |
| 08/22/1991 | DE4004546A1 Differential analog-to-digital converter - uses dual reference voltage generators with multiple comparators |
| 08/21/1991 | EP0442321A2 Extended flash analog-digital converter |
| 08/21/1991 | EP0441963A1 Absolute value encoder |
| 08/20/1991 | US5041979 Bounded synchronous angle counter |
| 08/20/1991 | US5041921 System for recording custom albums from a library of pre-recorded items |
| 08/20/1991 | US5041860 Indicator unit for an electronically controlled camera |
| 08/20/1991 | US5041832 Dual flash analog-to-digital converter |
| 08/20/1991 | US5041831 Indirect D/A converter |
| 08/20/1991 | US5041830 Band compression circuit |
| 08/20/1991 | US5041829 Interpolation method and shaft angle encoder |
| 08/20/1991 | US5041794 Voltage to current conversion switching system |
| 08/20/1991 | CA1287921C Analog-to-digital converter with adaptable quantizing levels |
| 08/14/1991 | EP0441657A2 Resistive string type digital-to-analog converting unit |
| 08/14/1991 | DE4003734A1 Combinatorial logic circuit for incremental encoder error monitoring - checks for typical signal combination and maintenance of encoder supply voltage and current within prescribed limits |
| 08/14/1991 | CN1013538B Acquisition device for digitizing high dynamic signals |
| 08/13/1991 | US5039988 Optoelectronic digital to analog converter |
| 08/13/1991 | US5039925 Position encoder for sliding door power drive system |
| 08/08/1991 | WO1991011862A1 Process and device for converting digital signals to analog signals |
| 08/08/1991 | WO1991011861A1 Mos transistor threshold compensation circuit |
| 08/08/1991 | WO1991011692A1 Source intensity adjustment apparatus for optical channel |
| 08/08/1991 | DE4101558A1 Evaluation of distance coded measurement marker fields of incremental - for length and angle measurement using condition and reference markers for increased reliability, noise immunity |
| 08/08/1991 | DE4003682A1 Rapid, high resolution D=A converter - measures sequential output signal at high velocity during intermediate matching operation |
| 08/07/1991 | EP0440356A2 Analog-to-digital converter with minimized metastability |
| 08/07/1991 | EP0439623A1 Digital-to-analog converter |
| 08/07/1991 | CN1053718A Automatic reference voltage controller of integral andlog/digital converter |
| 08/06/1991 | US5038243 Local initialization for incremental encoder |
| 08/06/1991 | US5037206 Optical position transmitter having a movable code element with optical path difference generating structure which is greater than the coherence length of the source |
| 08/06/1991 | CA1287406C Integrated injection logic circuit |
| 08/06/1991 | CA1287405C Economic analog-to-digital converter |
| 08/01/1991 | DE4002615A1 A=D conversion circuitry for electrical measurement values - contains two comparators and capacitor with stepwise linear charging via periodically operated switch |
| 07/31/1991 | EP0438494A1 Digital-to-analog converter with on-board unity gain inverting amplifier. |
| 07/30/1991 | US5036322 Digital-to-analog converters with improved linearity |
| 07/30/1991 | US5036319 Magnetic encoder using magnetoresistive element |
| 07/30/1991 | US5035064 Linear measuring devices |
| 07/30/1991 | CA1287172C D/a converter for digital signals represented by a 2's complement |
| 07/30/1991 | CA1287139C Transducer interface |
| 07/25/1991 | WO1991011056A1 Method and device for adjustment of photoelectric converter of shaft rotation angle into code |
| 07/24/1991 | EP0209562B1 Apparatus for analogue to digital conversion |
| 07/23/1991 | US5034905 Divider circuit using analog-digital converter |
| 07/23/1991 | US5034746 Analog-to-digital converter for computer disk file servo position error signal |
| 07/23/1991 | US5034745 Data acquisition with vernier control |
| 07/23/1991 | US5034744 Deglitching circuit |
| 07/23/1991 | US5034743 AC encoded signal to digital converter |
| 07/17/1991 | EP0437301A2 Apparatus and methods for digital-to-analogue conversion |
| 07/17/1991 | EP0437224A2 Clock producing apparatus for PWM system digital analog converter use |
| 07/17/1991 | EP0436984A1 Digital-to-analog converter |
| 07/17/1991 | EP0436603A1 Process and device for converting the scanning signal of an analog input signal. |
| 07/17/1991 | EP0436555A1 Error limiting analog to digital converter |
| 07/16/1991 | US5032858 Film rewinding control device |
| 07/16/1991 | CA1286408C Low level voltage pulse-converter |
| 07/11/1991 | WO1991010288A2 Position sensor |
| 07/11/1991 | DE3943072A1 Ein interpolativer a/d umsetzer fuer bandpasssignale An interpolative a / d converter for bandpass signals |
| 07/10/1991 | EP0436222A1 Circuit for the digital measurement of an electrical signal |
| 07/09/1991 | US5030954 Double rate oversampled interpolative modulators for analog-to-digital conversion |
| 07/09/1991 | US5030952 Sigma-delta type analog to digital converter with trimmed output and feedback |
| 07/03/1991 | EP0339045A4 Data limiter with current controlled response time |
| 07/02/1991 | US5029305 Method and apparatus for error correction in thermometer code arrays |
| 07/02/1991 | US5029304 Sensor with absolute digital output utilizing Hall Effect devices |
| 07/02/1991 | US5028944 Film advancement control device |
| 07/02/1991 | US5028926 Successive type analog-to-digital converter with a variable reference voltage for the digital to analog converter |
| 06/28/1991 | WO1991010283A1 Interpolative analog/digital converter for band-pass signals |
| 06/28/1991 | CA2072568A1 Interpolative analog/digital converter for band-pass signals |
| 06/27/1991 | WO1991007825A3 Termination circuit for an r-2r ladder that compensates for temperature drift |
| 06/25/1991 | US5027119 Noise shaping requantization circuit |
| 06/25/1991 | US5027117 Conversion using a variable reference based on image density |
| 06/25/1991 | US5027116 Self-calibrating analog to digital converter |
| 06/20/1991 | DE3941293A1 Input voltage analogue to digital conversion method - using processor to compare input voltage with two other input reference voltages |
| 06/20/1991 | DE3941086A1 Door cocking device with contactless state indication - uses coded strips of magnetic material in conjunction with inductive detector |
| 06/18/1991 | US5025259 Analog-to-digital conversion system for an electronic control system of a motor vehicle |
| 06/16/1991 | WO1991009470A1 Analog to digital conversion with noise reduction |
| 06/13/1991 | DE4038641A1 Digital to analog converter e.g. for CD player - compares instantaneous signal from digital processor with existing value for transfer to digital to analog converter |
| 06/12/1991 | EP0431976A2 Apparatus for and methods of optical encoding |
| 06/12/1991 | EP0431195A1 Encoder |
| 06/12/1991 | CN1012862B Improved signal sampling device |
| 06/11/1991 | US5023615 Large scale integrated circuit for converting pulse code modulated data to an analog signal |
| 06/11/1991 | US5023614 Switchable DAC with current surge protection |
| 06/11/1991 | US5023613 Decoder error prevention apparatus for use in flash analog-to-digital converters |
| 06/11/1991 | US5023559 Capacitance-type measuring device for absolute measurement of positions |
| 06/11/1991 | US5023475 IC D-type master/slave flip-flop |
| 06/06/1991 | DE4037268A1 A=D conversion of multi-integration principle - charges in first step charge storage for preset, constant time period |
| 06/05/1991 | EP0430670A2 Image pickup signal processing apparatus |
| 06/05/1991 | EP0430599A2 Statistically based continuous autocalibration method and apparatus |
| 06/05/1991 | EP0430449A2 Method and apparatus for linearizing the output of a digital-to-analog converter |