Patents
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
08/1988
08/09/1988US4763207 Digital method and system for reproducing analog data
08/09/1988US4763108 Digital-to-analog conversion system
08/09/1988US4763107 Subranging analog-to-digital converter with multiplexed input amplifier isolation circuit between subtraction node and LSB encoder
08/09/1988US4763106 Flash analog-to-digital converter
08/09/1988US4763105 Interleaved digitizer array with calibrated sample timing
08/09/1988CA1240370A1 Apparatus and method for interfacing a transducer
08/03/1988EP0276603A1 Digital signal coding and transmission method by way of timed selective refreshing of a vectorial quantizer
08/02/1988US4761636 A-to-D converter of the successive-approximation type
08/02/1988US4761634 AD converting device
08/02/1988CA1240000A1 Sensor integrator system
07/1988
07/28/1988WO1988005619A1 Device for acquiring an electric voltage to be processed in a microcomputer
07/28/1988DE3700987A1 Einrichtung zur erfassung einer elektrischen spannung zur verarbeitung in einem mikrorechner Means for detecting an electrical voltage for processing in a microcomputer
07/27/1988EP0134402B1 Integrated injection logic circuit
07/26/1988US4760376 Electronic conversion circuit
07/26/1988US4760287 Voltage comparator circuit
07/26/1988CA1239704A1 Oversampling converter
07/20/1988EP0275142A2 Flow computer calibration technique
07/20/1988EP0274509A1 Linear measuring devices.
07/19/1988US4758821 Methods and apparatus for analog-to-digital conversion
07/19/1988US4758820 Semiconductor circuit
07/19/1988US4758781 DA converter testing system
07/19/1988US4758769 Apparatus for sensing direction of rotation
07/19/1988CA1239450A1 Digital data modulator and digital-to-analog converter
07/14/1988WO1988005229A1 Data limiter with current controlled response time
07/13/1988CN87213865U Ad ic card compatible for both single board computer and apple personal computer
07/12/1988US4757464 Apparatus for recognizing relative extrema
07/06/1988EP0273803A1 Digital-to-analog converter for a video image generating circuit
07/06/1988EP0273518A2 Angle digitiser
07/05/1988US4755951 Method and apparatus for digitizing a waveform
07/05/1988US4755793 Input ranging divider and method for an analog to digital converter
07/05/1988CA1238979A1 Higher order interpolation for digital-to-analog conversion
06/1988
06/30/1988WO1988004865A2 Digital-to-time converter
06/29/1988EP0272756A2 Analogue to digital converter
06/28/1988US4754260 Method of and apparatus for reducing quantizing noise in analog to digital converters
06/28/1988US4754259 Angle digitizer with enhanced harmonic rejection
06/28/1988US4754257 Analog-digital converter
06/28/1988CA1238692A1 Field-effect transistor current switching circuit
06/23/1988DE3642495A1 Analogue/digital converter, particularly for electromechanical scales
06/23/1988DE3642360A1 Analogue/digital converter with multiple sampling
06/22/1988EP0271936A1 Analog-to-digital converter with automatic gain control
06/21/1988US4752767 DA converter
06/21/1988US4752766 Analog to digital converter
06/16/1988WO1988003339A3 Generating an n+1-bit resolution signal from an n bit a/d converter
06/16/1988DE3641131A1 Optoelectronic absolute-angle encoder
06/15/1988EP0271301A2 Time interval to digital converter with smoothing
06/15/1988EP0271166A2 Digital circuit arrangement for reducing the quantizing noise
06/15/1988EP0271057A2 Photodiode signal conversion method and apparatus
06/14/1988US4751497 Digital to analog converter with high output compliance
06/14/1988US4751496 Wide dynamic range analog to digital conversion method and system
06/09/1988DE3641288C1 Device for producing luminous markings
06/09/1988DE3640276A1 Digital/analog converter
06/08/1988EP0269860A2 Digital to analog converter apparatus
06/08/1988EP0269758A1 Current change-over switch
06/07/1988US4750191 D/A converter capable of producing an analog signal having levels of a preselected number different from 2N and communication network comprising the D/A converter
06/07/1988US4749984 Subranging A/D converter with converging digitally controlled voltages
06/07/1988US4749878 Input device for control system
06/07/1988US4748739 Alignment tool
06/01/1988EP0268929A2 Analog-digital conversion circuit with pairs of resistors
06/01/1988EP0268660A1 Optical detector circuit for photometric instrument
06/01/1988DE3638455A1 Device for interference-free determination of the adjustment or setting of an angle or path of a carrier exhibiting coded information
06/01/1988CN87106077A Capacitive linear or rotary transmitter for controlling and positioning displaced objects
05/1988
05/31/1988US4748440 Analog-to-digital conversion system
05/31/1988CA1237523A1 Linear codec with dual divider
05/25/1988EP0268558A2 Apparatus for measuring lengths or angles
05/25/1988EP0268105A2 Analog-digital converter in the temperature range of supraconductivity
05/24/1988US4747065 Automatic gain control in a digital signal processor
05/24/1988US4746903 Parallel algorithmic digital to analog converter
05/24/1988US4746901 High precision analog to digital converter
05/24/1988US4746900 Signal processing circuit
05/24/1988US4746899 Method for reducing effects of electrical noise in an analog-to-digital converter
05/24/1988US4746792 Optical transducer element and displacement meter comprising such an element
05/19/1988WO1988003641A1 Pulse encoder
05/18/1988EP0267344A1 Process for the multi-rate encoding of signals, and device for carrying out said process
05/18/1988EP0267254A1 Analogue to digital converters
05/17/1988US4745395 Precision current rectifier for rectifying input current
05/17/1988US4745394 Pipelined A/D converter
05/17/1988US4745393 Analog-to-digital converter
05/11/1988EP0267040A2 Absolute measurement encoders
05/11/1988EP0266682A2 Spectrophotometer with line frequency slaved voltage-to-frequency converter system
05/10/1988US4743885 Cyclic type D/A converter having error detection and correction system
05/10/1988US4743843 Display signal generator device
05/05/1988WO1988003339A2 Generating an n+1-bit resolution signal from an n bit a/d converter
05/05/1988WO1988003259A1 Apparatus for processing signals of a pulse encoder
05/04/1988EP0265448A1 Analog/digital converter apparatus for quantizing transmittance voltage signals
05/03/1988US4742333 Analog-to-digital converter
05/03/1988US4742332 Magnetic shaft angle encoder
05/03/1988US4742331 Digital-to-time converter
05/03/1988US4742330 Flash A/D converter using capacitor arrays
05/03/1988US4742329 Digital/analog converter
05/03/1988CA1235924A1 Circuitry for a portable test strip reading instrument
04/1988
04/27/1988EP0265304A2 Testable semiconductor integrated circuit
04/27/1988EP0264921A2 A digital to analog converter
04/27/1988CN87104460A Digital feedback double sampling a/d converter of high precision
04/26/1988US4740776 Apparatus for compensating digital to analog converter errors
04/26/1988US4740690 Absolute combinational encoders coupled through a fixed gear ratio
04/19/1988US4739307 Multichannel predictive gain amplifier system
04/19/1988US4739306 Calibrated-weight balance and an analog-to-digital converter in which the balance is employed
04/19/1988US4739305 Double integral type A/D converter
04/19/1988US4739304 Digital-to-analog converting system
04/19/1988US4739192 Fast settling digital to analog converter bit switch