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)
01/1983
01/19/1983EP0070086A2 Digital-to-analogue converter which can be calibrated automatically
01/19/1983EP0070063A1 Function generator using analogue current switch in bipolar injection technology
01/18/1983US4369433 Digital-to-analog converter and PCM encoder using the converter
01/18/1983US4369432 Auto-calibrated D-A converter
01/18/1983US4369378 Quantizing circuits using a charge coupled device with a feedback channel
01/18/1983CA1139886A1 Analog-to-digital converter
01/12/1983EP0069398A1 Process for testing A/D and/or D/A converters or electric transmission networks comprising such converters or connected in series with said networks, particularly for testing codecs for PCM apparatuses, and device for the application of said process
01/12/1983EP0069317A1 Circuit arrangement for converting an analog AC voltage signal to a digital signal
01/12/1983EP0069129A1 Apparatus for detecting the angular positioning of a fruit machine reel
01/11/1983US4368457 Analog-to-digital converter
01/11/1983CA1139447A1 Monolithic analog-to-digital converter
01/11/1983CA1139446A1 Pcm encoder with variable set-up intervals
01/05/1983EP0068143A2 Analog to digital converter
01/04/1983US4367456 PCM and PAM Conversion circuit including signal level variation on the PCM portion of the circuit
01/04/1983US4366705 Throttle opening detector for internal combustion engine
12/1982
12/28/1982US4366470 Converter
12/28/1982US4366469 Companding analog to digital converter
12/28/1982US4366468 Charge-balanced analog-to-digital converter
12/28/1982US4366467 Torquer current readout system for inertial instrument employing current controlled oscillator
12/28/1982US4366439 PCM Decoder
12/22/1982EP0067544A2 Analog-to-digital converter
12/21/1982US4365236 Digital display circuit displayable in analog fashion
12/21/1982CA1138115A1 Waveform digitizer
12/15/1982EP0067109A2 Apparatus for signalling the end points of the ramp-down interval in a dual ramp analog to digital converter
12/14/1982US4364045 Digitized displacement transducer
12/14/1982US4364029 Fast transient digitizer
12/14/1982US4364028 Integrating analog to digital converter having offset error compensation
12/14/1982US4364027 Calibration apparatus for analog-to-digital converter
12/14/1982US4364026 Digital-to-analog converter useful in a television receiver
12/14/1982US4364006 Reference voltage generator for use in an A/D or D/A converter
12/14/1982US4363964 Incremental measuring system with selectively designated reference marks
12/14/1982US4363540 Exposure information storage device for a photographic camera
12/14/1982CA1137636A1 (b a)-bit d/a converter with b-bit auxiliary d/a converter
12/14/1982CA1137635A1 High resolution analog to digital converter
12/14/1982CA1137634A1 Method and device for amplifying multiplexed signals
12/09/1982WO1982004318A1 Dual element - single oscillator - ratio type digital transducer
12/09/1982EP0054033A4 Interpolative encoder for subscriber line audio processing circuit apparatus.
12/08/1982EP0066504A1 Method for analyzing a digital-to-analog converter with nonideal analog-to-digital converter
12/08/1982EP0066265A2 D-A converter
12/08/1982EP0066251A2 Digital to analog converter
12/07/1982US4363026 Position encoder update mechanism and method
12/07/1982US4363024 Digital-to-analog converter providing multiplicative and linear functions
12/07/1982US4362988 Method of and circuit arrangement for determining the magnitude of an unknown resistance element
12/07/1982US4362358 Optical encoder having only one or two fiber optic cables
12/07/1982CA1137227A1 Comparing/subtracting analog-digital converter
12/07/1982CA1137226A1 Encoder/decoder system employing pulse code modulation
12/07/1982CA1137189A1 Magnetic rotary encoder for detection of incremental angular displacement
12/01/1982EP0065795A1 Digital-to-analog converter for bipolar signals
11/1982
11/30/1982US4361831 Analog-digital converter utilizing multiple ramp integrating techniques
11/24/1982EP0065022A1 Integrated voltage divider with selection circuit in IGFET technique, a modification thereof and its use in a DA converter
11/23/1982US4360889 Rotary position indicating circuit
11/23/1982US4360730 Encoder alignment method and apparatus
11/23/1982CA1136280A1 Wide dynamic range analog to digital converter
11/23/1982CA1136240A1 Magnetic rotary encoder for detection of absolute values of angular displacement
11/23/1982CA1136238A1 Absolute precision transducer for linear or angular position measurements
11/16/1982CA1135858A1 Charge transfer devices
11/11/1982WO1982003957A1 Digital to analog converter
11/11/1982WO1982003956A1 A capacitive dac to filter interface circuit
11/11/1982WO1982003955A1 A multiple function operational amplifier circuit
11/10/1982EP0064147A2 Self-calibration of analog-to-digital converters
11/09/1982US4358753 High resolution shaft position encoder
11/09/1982US4358752 Analog-to-digital converter
11/09/1982US4358735 Bidirectional incremental encoding system for measuring maximum forward angular displacement of a bidirectionally rotatable rotating shaft
11/09/1982US4358723 Method and apparatus for measuring the rotation of a work table
11/02/1982US4357600 Multislope converter and conversion technique
11/02/1982US4357599 Analog-digital converter
11/02/1982US4357571 FET Module with reference source chargeable memory gate
10/1982
10/28/1982WO1982003682A1 Displacement measuring device
10/26/1982US4356553 Method for the measuring of electrical power
10/26/1982US4356395 Digital fiber optic sensor system
10/19/1982CA1134045A1 Reversible analog to digital converter with high precision
10/13/1982EP0062081A1 Parallel AD converter
10/12/1982US4354245 Cyclic or periodic analog signal processing circuit
10/12/1982US4354177 Method and apparatus for calibrating an analog-to-digital converter for a digital-to-analog converter test system
10/12/1982US4354176 A-D Converter with fine resolution
10/12/1982US4354175 Analog/digital converter utilizing a single column of analog switches
10/12/1982US4354080 Lighted coding switch
10/12/1982CA1133637A1 (b a)-bit-a/d convertor with b-bit auxiliary a/d convertor
10/06/1982EP0061513A1 CMOS integrated selection circuit for four potentials and simplifications of it for three potentials
10/05/1982US4353060 Analog to digital converter system with an output stabilizing circuit
10/05/1982US4353059 Multithreshold converter utilizing reference tracking amplifiers
10/05/1982US4353058 Digital to analog converter having an analog to digital converter portion for an AC operation or a DC operation
10/05/1982US4353057 System for digitizing transient signals
09/1982
09/29/1982EP0061292A2 DA converter
09/29/1982EP0061199A2 Digital-to-analog converter
09/28/1982US4352204 Entry apparatus of digital value in memory
09/28/1982US4352160 Statistical method of measuring the differential linearity of an analog/digital converter using a pseudo-random triangle wave stimulus
09/28/1982US4352123 Color-television receiver having integrated circuit for the luminance signal and the chrominance signals
09/28/1982US4352093 High-speed digital/analog converter
09/28/1982US4352092 Digital to analog converter
09/28/1982US4352050 Method and apparatus for error correction in position sensing circuit
09/28/1982CA1132712A1 Code converting method and system
09/28/1982CA1132711A1 Pcm codec using common d/a converter for encoding and decoding
09/21/1982US4350976 Charge-transfer coded-voltage generator for use in analog-digital coders and decoders
09/21/1982US4350975 Dual bandwidth autozero loop for a voice frequency CODEC
09/21/1982US4350974 Logarithmic analog-to-digital converter
09/15/1982EP0060021A2 Optical transducer
09/15/1982EP0059730A1 Optical position transducer
09/14/1982US4349821 Data acquisition system and analog to digital converter therefor
09/14/1982US4349811 Digital-to-analog converter with improved compensation arrangement for offset voltage variations
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