Patents
Sitemap › H03 - Basic electronic circuitry › H03M - Coding, decoding or code conversion, in general › H03M 1 - Analogue/digital conversion; Digital/analogue conversion
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
07/1990
07/24/1990CA1271989A1 Automatic drift control circuit
07/18/1990EP0378351A2 Relative position transducer
07/17/1990US4942480 Reproduction of halftone original with moire reduction and tone adjustment
07/17/1990US4942401 Analog to digital conversion with charge balanced voltage to frequency converter having polarity responsive offset
07/17/1990US4942400 Analog to digital converter with multilayer printed circuit mounting
07/17/1990US4942399 Adaptive flash analog/digital converter for differential input signal
07/17/1990US4942397 Elimination of linearity superposition error in digital-to-analog converters
07/12/1990WO1990007826A2 Variable resistors
07/12/1990DE3900179A1 Circuit arrangement for converting a direct voltage into digital data
07/11/1990EP0377388A1 Analogue signal waveform generator
07/11/1990EP0104393B1 Interpretation device for a digital incremental sensor
07/10/1990US4941152 Signal coding process and system for implementing said process
07/10/1990US4940983 A/D converters
07/10/1990US4940982 High speed integrating analog-to-digital converter
07/10/1990US4940981 Dual analog-to-digital converter with single successive approximation register
07/10/1990US4940980 Input stage for flash A/D converter
07/10/1990US4940979 Combined rate/width modulation arrangement
07/10/1990US4940978 Stepwise adjusted digital to analog converter having self correction
07/09/1990CA2007221A1 Relative position transducer
07/04/1990EP0376828A1 Subtractor-amplifier circuit for a cascade analog-digital converter
07/04/1990EP0376554A2 Signal conversion apparatus which reduces quantization errors for telecommunications applications
07/04/1990EP0376553A2 Perceptual coding of audio signals
07/04/1990EP0376538A2 Optical encoder with inactive photodetectors
07/03/1990US4939520 Analog to digital converter using an integrator having a partially controlled output signal
07/03/1990US4939519 Apparatus for method and a high precision analog-to-digital converter
07/03/1990US4939518 Analog to digital converter
07/03/1990US4939517 Circuit for synchronizing transitions of bits in a digital code
06/1990
06/28/1990WO1990007246A1 Predictive coding and decoding
06/28/1990WO1990007234A2 Parallel analog-to-digital converter
06/28/1990WO1990005414A3 Decoding of random sequences
06/28/1990CA2006671A1 Variable resistors
06/27/1990EP0375195A2 Time continuous, differential analog-to-digital converter
06/27/1990CN1008586B Agc in digital signal processor
06/26/1990US4937579 Method of converting analog signals into digital signals and system for carrying out the method
06/26/1990US4937578 D/A converter for digital signals represented by a 2's complement
06/26/1990US4937576 Dither circuit responsive to zero input signal level
06/26/1990US4937575 Precision A/D converter utilizing a minimum of interface interconnections
06/21/1990DE3938458A1 Flash A-D converter for video signals - uses comparators coupled via AND-gate to MOSFET inverter and N-channel transistor circuit
06/20/1990EP0373736A2 Analog to digital converter
06/20/1990EP0373211A1 Subranging analog-to-digital converter with calibration.
06/19/1990US4935741 Digital-to-analog converter with cyclic control of current sources
06/19/1990US4935740 Digital-to-analog converter
06/19/1990US4935739 Encoder
06/19/1990US4935619 Wireless remote-control system for electronic apparatus
06/19/1990CA1270542A1 Method and apparatus for correcting resolver errors
06/14/1990WO1990006631A1 Digital to amplitude modulated analog converter
06/14/1990WO1990006630A1 Successive-approximation register
06/13/1990EP0372831A2 Analog-to-digital converter and method
06/13/1990EP0372647A2 Processing sampled analogue electrical signals
06/13/1990EP0372548A2 Successive comparison type analog-to-digital converting apparatus
06/13/1990EP0372547A2 Bias circuit for a subranging analog to digital converter
06/13/1990EP0372526A2 Microcomputer having high speed a/d conversion function
06/13/1990DE3938672A1 Multichannel D=A or A=D converter processing method - processing rapid variations in each cycle and slow variations in few only
06/13/1990DE3841625A1 Method for analog/digital conversion by successive approximation with a very high sampling rate
06/12/1990US4933676 Programmable multi-input A/D converter
06/12/1990US4933675 Audio digital/analog encoding and decoding
06/12/1990US4933674 Method and apparatus for correcting resolver errors
06/12/1990US4933673 Position detecting apparatus
06/12/1990US4933636 Self-aligning tachometer and method of manufacturing same
06/06/1990EP0371626A2 Current split circuit having a digital to analog converter
06/05/1990US4931797 Folding circuit and serial-type A/D converter
06/05/1990US4931796 Digital-to-analog conversion circuit
06/05/1990US4931795 Digital to analog signal converter
06/05/1990US4931792 Shaft angle encoder interface
06/05/1990US4931751 Apparatus and method for producing pulse width modulated signals from digital information
06/05/1990US4931725 Electronic electricity meters
06/05/1990CA1270046A1 Digital rotation detecting apparatus
05/1990
05/30/1990EP0370814A2 Offset cancel latching comparator
05/30/1990EP0370661A2 Self-calibrating pipelined subranging analog-to-digital converter
05/30/1990EP0370630A2 Switched-capacitor analog-to-digital converter with autocalibration
05/30/1990CN1042633A Digital / analogue converter of current model
05/30/1990CN1042632A Analogue/digital converter of current model
05/29/1990US4929998 Integrated circuit having plural capacitances of different values
05/29/1990US4929947 Constant width pulse distribution in a digital to analog converter for serial digital data
05/29/1990US4929890 System for obtaining digital outputs from multiple transducers
05/29/1990US4929848 High accuracy reference ladder
05/29/1990CA2004096A1 Successive approximation register
05/29/1990CA1269713A1 Electronic electricity meters
05/23/1990EP0369630A2 Signal processing apparatus
05/23/1990EP0229073B1 Improvements in or relating to analogue to digital converters
05/22/1990US4928103 Parallel analog-to-digital converter using 2.sup.(n-1) comparators
05/22/1990US4928102 Flash analog-to-digital converter with logarithmic/linear threshold voltages
05/22/1990US4928009 Deflection-insensitive optical rotary encoder
05/22/1990US4928007 Opto-electric A/D converter
05/22/1990CA1269459A1 Subranging analog-to-digital converter
05/17/1990WO1990005414A2 Decoding of random sequences
05/17/1990DE3835693C1 Method for the optoelectronic scanning of a pattern reproduced on a surface, particularly in a tape measure
05/16/1990EP0368605A2 Decoding of random sequences
05/16/1990EP0367947A2 Position measurement device having a subdivision circuit
05/15/1990US4926485 Output level control apparatus
05/15/1990US4926180 Analog to digital conversion using correlated quantization and collective optimization
05/15/1990US4926179 Digital to analog data demodulation circuit
05/15/1990US4926176 Self-timing analog-to-digital converting system
05/15/1990US4926175 Analog-digital converting circuit having high resolution and low power consumption
05/15/1990US4926174 Digital voltmeter
05/15/1990US4926063 Square root digital-to-analog converter
05/09/1990EP0367689A1 Calibration method and device for a system comprising en analog-digital converter
05/09/1990EP0367522A2 Closed loop pulse width analog-to-digital converter
05/09/1990CN1007951B D/a converter capable of producing an analog signal having levels of a preselected number different from 2 to the power n and communication network comprising the d/a converter
05/08/1990US4924227 Parallel analog-to-digital converter
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