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)
11/1989
11/29/1989EP0343177A1 Digital-to-time converter.
11/28/1989US4884226 Method for detecting position
11/28/1989US4884075 Decoding circuit for flash-type analog-to-digital converter
11/28/1989US4883987 Comparator circuit having a fast recovery time
11/23/1989EP0342784A2 Program controlled in-circuit test of analog to digital converters
11/21/1989US4882585 Method and apparatus for high resolution analog-digital-analog transformations
11/21/1989US4882529 Pulse encoder
11/21/1989US4882479 Optical rotary encoder using dual frequency beat difference
11/21/1989CA1263189A1 Automatic level control circuit for an ad converter
11/21/1989CA1263188A1 Device for amplifying and sampling highly dynamic signals
11/21/1989CA1263177A1 Narrow bandwidth analog-to-digital conversion
11/15/1989EP0341945A2 Shaft angle encoder interface
11/15/1989EP0341314A1 Absolute position encoder
11/14/1989US4881190 Digitally programmable signal generator and method
11/08/1989EP0340343A1 Wireless remote control system of electronic sets
11/08/1989CN2047468U Apple computer ad/da card
11/07/1989US4879674 Input circuit for a digital phase locked loop
11/07/1989US4879671 Digital measurement of relative displacement using stored correction address data
11/07/1989US4879555 Absolute linear position detection device
11/07/1989US4879508 Capacitance-type measuring device for absolute measurement of positions
11/07/1989US4879505 Temperature and power supply compensation circuit for integrated circuits
11/07/1989US4879488 Vernier for superconducting analog-to-digital converter
11/02/1989EP0339922A2 Combined rate/width modulation arrangement
11/02/1989EP0339921A2 Indirect D/A converter
11/02/1989EP0339819A2 Electronic filter
11/02/1989EP0339738A1 Current divider circuit
11/02/1989EP0339045A1 Data limiter with current controlled response time.
11/01/1989CN1036866A Circuit arrangement for averaging signals during pulse-density d/a or a/d conversion
10/1989
10/31/1989US4878013 Capacitive type measurement transducer with improved electrode arrangement
10/25/1989EP0338837A2 Analog-digital converting circuit having high resolution and low power consumption
10/25/1989EP0338655A2 Analog to digital converter with integral linearity error compensation
10/24/1989US4876544 Oversampling A/D converter comprising an additional capacitor switched in synchronism with switchin of an input capacitor
10/17/1989US4875049 Automatic level control circuit for an ad convertor
10/17/1989US4875048 Two-step parallel analog to digital converter
10/17/1989US4875046 Centroiding algorithm for networks used in A/D and D/A converters
10/17/1989US4875045 Variable gain encoder apparatus and method
10/17/1989US4874964 Current generating circuit
10/11/1989EP0336715A2 Analog-to-digital converter arrangement
10/11/1989EP0335988A1 Circuit arrangement for averaging in the pulse density D/A or A/D conversion
10/10/1989US4873525 Compact R segment D/A converter
10/10/1989CA1262270A1 Position sensor
10/05/1989WO1989009508A1 Power supply apparatus
10/05/1989WO1989007367A3 Analog-to-digital converter made with focused ion beam technology
10/04/1989EP0335284A2 Phase to digital conversion method and arrangement for carrying out the method
10/04/1989CN1036112A Point voltage bit by bit approximation a/d conversion method and device thereof
10/04/1989CN1035949A Data converter for ct data acquisition system
10/03/1989US4872011 Plural stage switched capacitor integrating digital-to-analog converter
10/03/1989US4872010 Analog-to-digital converter made with focused ion beam technology
10/03/1989US4871952 Motor speed control apparatus
10/03/1989CA1262189A1 Method and apparatus for implementing optimum prml codes
09/1989
09/28/1989DE3809201A1 Position measuring device
09/26/1989US4870661 Sample rate conversion system having interpolation function
09/26/1989US4870418 Bipolar input circuit for CMOS flash analog to digital converter
09/26/1989US4870417 Error correction circuit suitable for thermometer or circular code
09/26/1989US4870416 Analogue to digital converters
09/26/1989US4870370 Method and apparatus for two stage automatic gain control
09/26/1989CA1261474A1 Dc level shifter circuit for interfacing analog sensing devices to digital logic devices
09/26/1989CA1261425A1 Floating mask encoder
09/26/1989CA1261030A1 Optical encoder
09/26/1989CA1260616A1 Device for the amplification and sampling of deplexed analog signals
09/26/1989CA1260144A1 Method and circuit arrangement for converting a measured voltage into a digital value
09/21/1989WO1989008953A1 Method and apparatus for high resolution analog-digital-analog transformations
09/21/1989WO1989008819A1 Process and device for compensating errors of measurement
09/20/1989EP0333070A2 Digitalisation method of the value of an angle defined by its sinus and cosinus trigonometric coordinate
09/20/1989CN1035745A Variable gain encoder apparatus and method
09/19/1989US4868573 Line frequency slaved voltage-to-frequency converter system
09/19/1989US4868572 Circuit arrangement for converting digital sound-signal values into an analog sound signal
09/19/1989US4868571 Digital to analog converter
09/19/1989CA1259705A1 Digital-to-analog converter
09/14/1989DE3807329A1 Integrated analog/digital converter (n-bit parallel converter having only 2<n-1> digital sampling circuits and any output code)
09/13/1989EP0332439A2 High speed apparatus for a single latch flash analog-to-digital converter
09/13/1989EP0332244A1 Single track absolute encoder
09/13/1989EP0332240A1 Current source arrangement
09/13/1989EP0332118A2 Parallel analog-to-digital converter
09/13/1989EP0331850A2 Variable gain analog-to-digital conversion apparatus and method
09/13/1989EP0331828A1 Absolute encoder of the multirotation type
09/12/1989US4866444 Analog-to-digital converter
09/12/1989US4866443 A/D converter having multiplication function
09/12/1989US4866442 Analog to digital converter employing delta-sigma modulation
09/12/1989US4866435 Digital transmitter with variable resolution as a function of speed
09/12/1989US4866382 Magnetic rotary encoder system having a multi-element magnetoresistive sensor
09/12/1989US4866261 Data limiter having current controlled response time
09/06/1989EP0331506A2 Automatic gain control system
09/06/1989EP0331172A2 Reference generator
09/06/1989EP0176981B1 Digital-analogous converter
09/05/1989US4864305 D/A converter
09/05/1989US4864304 Analog voltage signal comparator circuit
09/05/1989US4864300 Rotating high-resolution shaft encoder utilizing capacitive sensing
09/05/1989US4864217 Method of and a circuit arrangement for processing sampled analogue electrical signals
09/05/1989US4864215 Current source arrangement
09/05/1989US4862752 D.C. excited capacitive shaft rotation transducer
08/1989
08/30/1989EP0330367A2 Digital to analogue convertors
08/30/1989EP0330063A2 Adaptive extrema coding signal processing system
08/30/1989EP0329655A1 Generating an n+1-bit resolution signal from an n bit a/d converter
08/30/1989CN1035216A A/d converter controlled by circulation of power supply
08/29/1989US4862171 Architecture for high speed analog to digital converters
08/29/1989US4862170 Digital-analog converter
08/29/1989US4862168 Audio digital/analog encoding and decoding
08/24/1989WO1989007862A1 Digital to analogue converter
08/24/1989WO1989007861A1 Method and control system for generating a variable output bit resolution from an n bit analog to digital converter
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