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)
06/1989
06/07/1989EP0319414A1 Device for signal sampling
06/07/1989EP0319097A2 Complementary voltage interpolation circuit with transmission delay compensation
06/07/1989EP0319085A1 Digital transmission with galvanic separation in video circuits
06/07/1989EP0318658A1 Error recognition method for position-detecting systems
06/07/1989EP0318597A1 Absolute position encoder
06/06/1989US4837724 Discrete cosine transform arrangement
06/06/1989US4837573 Digital to analog converter
06/06/1989US4837572 Digital-to-analog converter
06/06/1989CA1255371A1 Absolute position detector
05/1989
05/31/1989EP0317776A2 Position-measuring device with an interpolation circuit
05/30/1989US4835535 Digital-to-analog converting apparatus equipped with calibrating function
05/30/1989US4835382 Optical code reading device
05/24/1989EP0317421A1 Parallel analog-to-digital converter
05/24/1989EP0317420A1 High stability digital-analog output voltage converter
05/24/1989EP0316616A2 Analog-digital converter
05/23/1989US4833473 Digital to analog converter with switch function compensation
05/23/1989US4833316 Rotary encoder
05/18/1989WO1989004566A1 Coding element
05/18/1989DE3738166A1 Codierelement Coding
05/17/1989EP0316223A1 Cascade analog-digital converter
05/17/1989EP0316000A2 Analog-digital converter with internal feedback
05/16/1989US4831510 Encoder and resolver signal processing circuit
05/16/1989US4831382 Analog-to-digital converter with adaptable quantizing levels
05/16/1989US4831381 Charge redistribution A/D converter with reduced small signal error
05/16/1989US4831380 Transducer interfaces
05/16/1989US4831379 Complementary voltage interpolation circuit
05/16/1989US4831378 Analog-to-digital converting apparatus having an automatic gain control circuit
05/16/1989US4831377 Method and apparatus for reduced settling time in a filter for a DC voltage
05/16/1989US4831282 CMOS input circuit
05/16/1989US4831281 Merged multi-collector transistor
05/09/1989US4829302 Analog/digital converter using the weighing method
05/09/1989US4829236 Digital-to-analog calibration system
05/09/1989US4829165 Optical control systems
05/05/1989WO1989003976A1 Absolute position encoder
05/03/1989EP0314182A2 Digital code converter formed of a decreased number of circuit elements
05/03/1989EP0313706A1 Analog-to-digital and digital-to-analog conversion system and echo cancellation device including the same
05/03/1989EP0313639A1 Digital signal synthesizer
05/03/1989DE3735677A1 Rotary resolver
05/03/1989DE3735606A1 Device for determining the initial roll attitude of a projectile in the firing barrel (tube)
05/03/1989DE3734938A1 Sensor unit, particularly for operating electrically commutated synchronous electric motors in servo control loops
05/02/1989US4827262 Comparator bank of A/D converter
05/02/1989US4827261 Clock-controlled pulse width modulator
05/02/1989US4827260 Digital-to-analog converter
05/02/1989US4827191 Adaptive range/DC restoration circuit or use with analog to digital convertors
05/02/1989US4827123 Direction sensitive optical shaft encoder
04/1989
04/27/1989DE3733739C1 Anordnung zur A/D-Wandlung mit A/D-Wandler Arrangement for A / D conversion with A / D converter
04/26/1989EP0313460A1 Highly dynamic analog-digital converter
04/26/1989EP0312782A2 Integrating analog-to-digital converter
04/26/1989EP0312672A1 Offset correction circuit for a sigma-delta coding device
04/25/1989US4825286 Method of converting an analog video to a digital signal
04/25/1989US4825070 Displacement detector for detecting an amount of displacement of an object to be measured
04/20/1989WO1989003620A1 Sub-ranging a/d converter with improved error correction
04/20/1989WO1989003618A1 Digital transmitter with variable resolution as a function of speed
04/19/1989EP0312282A2 Angular position encoder
04/19/1989EP0312047A2 Analog-to-Digital Converter for Stepped Square QAM Demodulators
04/19/1989EP0122294B1 Optical absolute encoder
04/18/1989US4823130 Method and control system for generating a variable output bit analog to digital converter
04/18/1989US4823129 Analog-to-digital converter
04/18/1989US4823128 Digital-to-analog converter filter for producing a continuous analog signal output without distortion
04/18/1989US4823000 Apparatus for indicating the value of a variable
04/18/1989US4821567 Running speed detecting device for marine vessels
04/12/1989EP0311105A2 Sub-ranging A/D converter with flash converter having balanced input
04/12/1989EP0310823A2 Synchronous angle counter
04/12/1989EP0310769A2 Method and device for processing (dynamically) compressed analog ton signal (ton) signals recorded on memory support and sampled therefrom
04/12/1989EP0310768A1 Digital pulse generator
04/12/1989EP0310764A2 Evaluation circuit for pulse signals
04/12/1989EP0310728A1 Device for extending the resolution of a n-bit resistive digital to analog converter to a (N+P)-bit digital to analog
04/11/1989US4821036 Method of and apparatus for producing a digital indication of the time-integral of an electric current
04/11/1989CA1252570A1 Method and apparatus for calibrating an analog-to- digital conversion apparatus
04/05/1989EP0310524A1 Digital-analog converter of weighted sums of binary words
04/05/1989EP0310207A2 Analog-to-digital conversion apparatus
04/05/1989CN1032276A 译码均衡器 Decoding equalizer
04/04/1989US4819051 Compensated rotary position encoder
04/04/1989US4818996 Digital-to-analog converting circuit
04/04/1989US4818929 To a second voltage input comparing a first
03/1989
03/29/1989EP0309365A1 Adjustable current source and automatic calibration digital/analog converter using such a source
03/29/1989EP0308982A2 Analog-to-digital converter having an excellent signal-to-noise ratio for small signals
03/29/1989EP0308776A2 Decoding equalizer
03/29/1989EP0308599A2 Digitizer effective resolution measurement system using estimated sinewave parameters
03/28/1989US4816831 Analog-digital converter realizing high integation with high resolution ability
03/28/1989CA1251865A1 Continuously variable slope delta modulation using digital vector for slope control
03/28/1989CA1251861A1 Bar/dot level meter
03/22/1989EP0308087A2 Step data processor for 180X and 90X compass synchro data
03/22/1989EP0308008A2 A method of and a circuit arrangement for processing sampled analogue electrical signals
03/21/1989US4815118 Data converter for CT data acquisition system
03/21/1989US4814872 Digital video probe system
03/21/1989US4814767 Sub-ranging A/D converter with flash converter having balanced input
03/21/1989US4814740 Glitch occurence prevention circuit for a digital/analog converter
03/21/1989US4814722 Amplifier for timed electrical measurement signals
03/21/1989US4814692 Circuit and method for measuring and digitizing the value of a resistance
03/21/1989US4814688 Reference generator
03/21/1989US4814637 Pulse shaper
03/21/1989EP0199745A4 Analog-to-digital converter.
03/21/1989CA1251567A1 Video wave codec
03/14/1989US4812848 Analog to digital conversion
03/14/1989US4812847 Parallel port pass-through digital to analog converter
03/14/1989US4812846 Dither circuit using dither including signal component having frequency half of sampling frequency
03/14/1989US4812818 Digital-to-analog converter
03/14/1989US4812817 Differential analog-digital converter with switched capacitors
03/14/1989US4812816 Electronic circuit with complementary data line
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