Patents
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
05/1987
05/21/1987WO1987003114A1 Method and apparatus for interfacing between analog signals and a system bus
05/21/1987DE3540453A1 Method and arrangement for analog-digital conversion
05/20/1987EP0222508A1 Video level control
05/20/1987EP0222470A2 Superconducting analog-to-digital converter and digital magnetometer and related method for its use
05/20/1987EP0222021A1 D/a converter
05/19/1987US4667339 Level sensitive latch stage
05/19/1987US4667296 Testing the transfer function linearity of analogue input circuits
05/19/1987US4667180 Continuous time domain analog-digital converter
05/19/1987US4667179 Two reference voltage weighted capacitor digital to analog converter
05/19/1987US4667178 Digital to analog converter
05/13/1987EP0221290A2 Dual latch architecture for reducing clock feedthrough in digital-to-analog converters
05/13/1987EP0221238A2 Error tolerant thermometer-to binary encoder
05/12/1987US4665382 Analog-to-digital conversion
05/12/1987US4665381 Digital-to-analog converter
05/12/1987US4665380 Apparatus for converting between digital and analog values
05/12/1987US4665359 Method and apparatus for detecting tampering with a meter having an encoded register display
05/12/1987US4665326 Voltage comparator
05/06/1987EP0220894A2 A clamping circuit for an analogue to digital converter
05/06/1987EP0220781A2 Decoding binary code words
05/06/1987EP0220757A1 Optical transducer element and displacement meter comprising such an element
05/06/1987EP0220191A1 Absolute and incremental optical encoder
05/05/1987US4663610 Serial digital-to-analog converter
05/05/1987CA1221409A1 Current source arrangement having a precision current-mirror circuit
04/1987
04/30/1987DE3634694A1 Circuit arrangement for A/D conversion of amplitude-modulated signals of at least one measured-quantity pick-up
04/30/1987DE3538186A1 Method of directly digitizing SQUID signals
04/29/1987EP0087438B1 Signal sampling and conversion system
04/28/1987US4661803 Analog/digital converter
04/28/1987US4661802 Digital-to-analog converter
04/23/1987WO1987002530A2 An untrimmed 12 bit monotonic all capacitive a to d converter
04/23/1987DE3635451A1 Evaluating circuit for incremental shaft encoders
04/22/1987EP0218870A2 Automatic gain control in a digital signal processor
04/21/1987US4660036 Amplified motion encoder
04/21/1987CA1220835A1 Measurement apparatus
04/15/1987EP0218308A2 Apparatus for detecting the angular position und angular velocity of a rotatable member and a method of assembling the apparatus
04/15/1987EP0218242A2 An apparatus for magnetically detecting the position of a body
04/14/1987US4658240 Apparatus for converting data between analog and digital values
04/14/1987EP0120956A4 Systems for providing digital representations of analog values.
04/09/1987WO1987002204A1 High resolution pipelined digital-to-analog converter
04/09/1987WO1987002203A1 Dual slope converter with large apparent integrator swing
04/09/1987DE3535118A1 Analog/digital converter
04/08/1987EP0217224A2 Segment digital-to-analog converter
04/08/1987EP0217223A1 Digital-to-analog converter with temperature compensation
04/08/1987EP0217119A2 Method for digital-to-analogue conversion of digital information to bipolar analogue signals
04/08/1987EP0217017A2 Signal coding process and system for implementing said process
04/08/1987EP0217009A2 Thermometer-to-adjacent binary encoder
04/08/1987CN85109755A Extrema coding digitizing signal processing method and apparatus
04/07/1987US4656460 For use in a microprocessor
04/07/1987US4656459 Dual slope converter with large apparent integrator swing
04/02/1987DE3533887A1 Circuit arrangement for digital-analogue conversion of digital information
04/01/1987EP0216137A2 Data quantity reduction method used in the conversion of an analog electrical signal into a digital signal, and a device to carry out the method
04/01/1987EP0215821A1 Digital to analog conversion apparatus.
03/1987
03/31/1987US4654815 Analog signal conditioning and digitizing integrated circuit
03/31/1987US4654636 Displacement measuring apparatus
03/31/1987US4654635 A/D converter with integrator to enhance resolution
03/31/1987US4654634 Apparatus for processing a sequence of digital data values
03/31/1987US4654632 Analog-to-digital converter
03/31/1987US4654584 High-speed precision equivalent time sampling A/D converter and method
03/31/1987US4654527 Reference mark identification system for measuring instrument
03/31/1987US4654525 Optical rotary encoder
03/31/1987CA1219979A1 Gas discharge logic device for use with ac plasma panels
03/26/1987WO1987001887A1 Digital-to-analogue and analogue-to-digital converters
03/26/1987WO1987001886A1 Analogue-to-digital conversion apparatus
03/26/1987DE3533867A1 Echo cancellation method
03/24/1987US4652947 Rotary encoder
03/24/1987US4652858 Interpolative D/A converter
03/18/1987EP0214869A2 Apparatus and method for converting voltage to digital count
03/18/1987EP0214831A2 Analog-to-digital converter and method of analog-to-digital conversion
03/18/1987EP0214703A1 Analog-to-digital converter circuit
03/18/1987EP0214541A2 Device for digitizing an analogous signal
03/18/1987EP0214523A2 Device for digitalizing measured signals
03/17/1987US4651132 Analog to digital converter system for application to pulse code modulation
03/17/1987US4651131 Apparatus for converting an analogue input signal of narrow bandwidth to digital form
03/11/1987EP0214011A1 Incremental optical code reader, in particular of the fully integrated type
03/11/1987EP0213954A2 Electronic conversion circuit
03/11/1987EP0213904A2 Interpolation method and encoder
03/11/1987EP0213368A2 Displacement detector
03/10/1987US4649372 Analogue to digital converter
03/10/1987US4649371 Multi-step parallel analog-digital converter
03/10/1987US4649293 Clocked comparator
03/10/1987US4649267 Automatic gain control circuit for encoder
03/10/1987CA1219081A1 Multiplexed analog to digital converter having a feedback stabilized ramp
03/04/1987EP0212898A2 Analog-to-digital converter
03/04/1987EP0212833A1 Field-effect transistor current switching circuit
03/04/1987EP0212662A2 Absolute rotational position detection device
03/04/1987EP0212578A2 Absolute position detector
03/04/1987EP0212406A2 Absolute linear position detection device
03/04/1987EP0212323A2 Method and apparatus for generating a signal transformation and the use thereof in signal processings
03/04/1987EP0212128A2 Photoelectric setting device
03/03/1987US4647968 Analog-to-digital conversion system as for a narrow bandwidth signal processor
03/03/1987US4647907 Digital-to-analogue converter including calibrated current sources
03/03/1987US4647906 Low cost digital-to-analog converter with high precision feedback resistor and output amplifier
03/03/1987US4647904 Folding-type analog-to-digital converter
03/03/1987US4647903 Successive approximation analog-to-digital converter
02/1987
02/25/1987EP0211504A2 Voltage pulse to current regulating converters
02/24/1987US4646085 Shaft position encoder apparatus with logic and decoder
02/24/1987US4646060 Superconducting analog-to-digital converter with bidirectional counter
02/24/1987US4645925 Reference mark coding system
02/17/1987US4644325 Low voltage, single power supply operated digital analog converter
02/17/1987US4644324 Digital to analog conversion system with the addition of dither to the digital input
02/17/1987US4644323 Analog-to-digital converter having programmable dynamic range