Patents
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
04/1988
04/19/1988US4739189 Rapid slewing filter
04/19/1988CA1235518A1 Electronic measurement of frequency variations
04/19/1988CA1235517A1 Multi-step parallel analog-digital converter
04/19/1988CA1235515A1 Analog/digital converter
04/13/1988EP0263751A1 Switched capacitor analog-to-digital converter
04/13/1988EP0263472A2 Apparatus for converting digital values to analog values
04/13/1988EP0263140A1 Apparatus for converting an analogue balanced signal to a digital signal.
04/13/1988CN87106776A Apparatus for indicating value of variable
04/12/1988US4737766 Code converter with complementary output voltages
04/07/1988DE3632084A1 Optical encoder
04/06/1988EP0262881A2 Apparatus for indicating the value of a variable
04/06/1988EP0262664A2 Analog-digital converter
04/06/1988EP0262647A2 Sample rate conversion system having interpolation function
04/05/1988US4736387 Quantizing apparatus
04/05/1988US4736189 Method and apparatus for calibrating an analog-to-digital conversion apparatus
04/05/1988US4736188 Analog to digital converters
04/05/1988US4736187 Encoder for measuring both incremental and absolute positions of moving elements
04/05/1988CA1234921A1 Two-stage high-resolution digital-to-analog converter
03/1988
03/30/1988EP0261228A1 Tape rule device
03/29/1988US4734678 High-resolution A/D converter
03/29/1988US4734677 Coarse/fine A-D converter using ramp waveform to generate fine digital signal
03/29/1988US4734655 Digital rotation detecting apparatus
03/29/1988US4734589 A/D photodiode signal conversion apparatus
03/24/1988WO1988002104A1 Digital pulse circuit
03/24/1988WO1987006080A3 Analog/digital converter apparatus for quantizing transmittance voltage signals
03/24/1988DE3630761A1 Microprocessor analogue-digital converter with ROM self-balancing program
03/22/1988US4733221 Solid-state trip device
03/22/1988US4733220 For converting digital signals
03/22/1988US4733219 Converter circuit
03/22/1988US4733218 Combined digital-to-analog converter and latch memory circuit
03/22/1988US4733217 Subranging analog to digital converter
03/22/1988US4733216 N+1 bit resolution from an N bit A/D converter
03/22/1988US4733167 Measurement circuit for digital to analog converter
03/22/1988US4733116 Angle sensor with reduction gear
03/22/1988US4732043 System and method for obtaining digital outputs from multiple transducers
03/17/1988DE3630633A1 Analog/digital converter
03/16/1988EP0260095A1 Digitally selectable, multiple current source proportional to a reference current
03/16/1988EP0259936A2 Code converter with complementary output voltages
03/16/1988EP0259932A1 Electronic circuit having complementary signal-carrying data lines
03/16/1988EP0259566A2 Networks used in A/D and D/A converters with correction for differential errors
03/15/1988US4731602 Converter
03/15/1988CA1234219A1 Method and apparatus for analog-to-digital conversion
03/09/1988EP0258842A1 Analog-to-digital converter with a capacitiv network
03/09/1988EP0258841A1 Analog-to-digital converter according to the weighing process
03/09/1988EP0258840A1 Successive approximation register
03/09/1988EP0258725A2 Capacitive rotation transmitter for controlling and positioning moving objects
03/09/1988EP0080725B1 Method and apparatus for a/d conversion
03/08/1988US4730129 Integrated circuit having fuse circuit
03/03/1988DE3728514A1 Verfahren und vorrichtung zum erzeugen eines differenz-pulscodemodulations (dpcm)-signals A method and apparatus for generating a differential pulse code modulation (DPCM) signal
03/02/1988EP0257878A2 D/A converter
03/02/1988EP0257687A2 Digital transmission system
03/02/1988EP0257100A1 Pulse distribution type position detector
03/01/1988CA1233567A1 Analog-to-digital conversion apparatus
03/01/1988CA1233560A1 Signal processing system with digital-to-analog conversion
02/1988
02/24/1988EP0256811A2 Obtaining digital outputs from multiple transducers
02/24/1988EP0256229A2 Circuit arrangement for a position-measuring device
02/24/1988EP0256099A1 A method for automatic gain control of a signal.
02/24/1988EP0256076A1 Analogue to digital conversion: method and apparatus therefor.
02/23/1988US4727356 Optical rotary encoder
02/23/1988US4727355 Digital-to-analog converter
02/16/1988US4726042 A/D converters
02/16/1988US4725814 Method and circuit for analog to digital conversion of a noisy DC voltage signal
02/16/1988US4725813 MOS type circuit device
02/11/1988WO1988001115A1 Current-steering digital-to-analog converter for providing bi-directional currents through a load
02/11/1988WO1988001114A1 Disk coder of the incremental or absolute type
02/11/1988DE3626667A1 Photoelectric angle/code converter
02/09/1988US4724421 Time interval to digital converter with smoothing
02/09/1988US4724420 Method and apparatus for quasi-analog reconstructions of amplitude and frequency varying analog input signals
02/09/1988US4724419 Method and circuit arrangement for converting a measured voltage into a digital value
02/03/1988EP0254877A2 Automatic drift control circuit
02/03/1988CN87104990A Monolithic integrated digital-to-analog converter
02/02/1988CA1232366A1 Mos-cascoded bipolar current sources in non-epitaxial structure
01/1988
01/28/1988WO1988000776A1 Linear measuring devices
01/27/1988EP0254207A2 Angle transmitter
01/27/1988EP0253950A1 Monolithic integratable digital-analog converter
01/26/1988US4721944 Analog-to-digital conversion method and an analog-to-digital converter utilizing the same
01/26/1988US4721943 Digital-to-analog converter for video application
01/26/1988CA1232045A1 Position sensor
01/21/1988DE3622985A1 Method and circuit arrangement for converting analog signal values into digital data
01/20/1988EP0253136A2 Combined digital-to-analog converter and latch memory circuit
01/20/1988CN87102292A Tape device
01/19/1988US4720699 Optical encoder using line array detectors
01/14/1988DE3710410A1 A=D converter operating circuit for weighing machine - has D-trigger set temporarily in state for integrator resetting prior to each measurement
01/14/1988DE3623449A1 Arrangement for obtaining angle signals
01/13/1988EP0252852A1 Device for feeding data into a microprocessor, in particular for controlling a washing machine
01/13/1988EP0252321A2 Digital-to-analog converter with gain compensation
01/12/1988US4719608 Ultra high-speed time-to-digital converter
01/12/1988US4719591 Optimization network for the decomposition of signals
01/12/1988US4719504 Method for converting an analog picture signal into an amplitude-discrete output signal
01/12/1988US4719448 Semiconductor A/D converter using charge coupled device
01/12/1988US4719447 Analog-to-digital converter with push-pull input signal configuration
01/12/1988US4719346 Optical position locating apparatus with bidirectional light transmission
01/12/1988CA1231452A1 Method and apparatus for a/d conversion
01/07/1988EP0251758A2 Digital-to-analog conversion system
01/07/1988EP0251341A1 Circuit means for evaluating the movement of a code track of incremental type
01/07/1988EP0251028A2 Audio signal transmission method
01/07/1988EP0250935A2 Digital-analog converter
01/05/1988US4718036 Comparator-integrator loop for digitizing a waveform
01/05/1988US4717979 Magnetic sensor device
01/05/1988US4717824 Photoelectric displacement detecting apparatus