Patents
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
10/1994
10/11/1994US5355136 Analog-to-digital converter circuit
10/11/1994US5355135 Semi-flash A/D converter using switched capacitor comparators
10/11/1994US5355134 Digital to analog converter circuit
10/05/1994EP0618678A2 Digital pulse width modulator circuit with proportional dither
10/05/1994EP0559657B1 Two stage a/d converter utilizing dual multiplexed converters with a common successive approximation control
10/04/1994US5353028 Differential fuse circuit and method utilized in an analog to digital converter
10/04/1994US5353027 Multistep analog-to-digital converter with error correction
10/04/1994US5353025 Methods and apparatus for digitally encoding repetitive analog waveforms
10/04/1994US5352976 Multi-channel trigger dejitter
10/04/1994US5352972 Sampled band-gap voltage reference circuit
09/1994
09/27/1994US5351049 Superconducting quantizer and A/D converter system
09/27/1994US5351030 Variable attenuator for attenuating gain of analog signal in accordance with digital signal
09/22/1994DE4321120C1 Arrangement for sampling an analog signal at a selectable sampling rate
09/21/1994EP0616433A1 Statistically based continuous autocalibration method and apparatus
09/21/1994EP0616313A1 Apparatus for generating a sound based on D/A converted analog signal
09/21/1994EP0616123A1 An A/D conversion control apparatus for an internal combustion engine
09/20/1994US5349354 A/D converter and converting method having coarse comparison and fine comparison periods
09/20/1994US5349352 Analog-to-digital converter having high AC line noise rejection and insensitive to AC line frequency variations
09/20/1994US5349351 Analog-digital converting device
09/15/1994WO1994021050A1 Window tracking adc
09/15/1994WO1994021049A1 Method and apparatus for digitizing a wide frequency bandwidth signal
09/15/1994CA2117801A1 Method and apparatus for digitizing a wide frequency bandwidth signal
09/14/1994EP0614533A1 Method for optimizing error corrections for binary logic components.
09/14/1994EP0414900B1 Rotary encoder
09/13/1994US5347277 Dual phase resolver to digital converter
09/08/1994DE4407238A1 Analog/digital conversion device
09/08/1994DE4310405C1 Optischer Abgriff Optical tap
09/07/1994EP0614285A1 Digital-to-analog converters
09/07/1994EP0614284A1 Thermochromic compounds, their manufacture and use
09/07/1994EP0613595A1 Digital demodulator
09/06/1994US5345237 Differential amplifier and two-step parallel A/D converter
09/06/1994US5345235 Scaled reference analog-to-digital conversion circuitry and method of operation
09/06/1994US5345234 Method and apparatus for combining a flash analog to digital converter with digital to analog functions
09/06/1994US5345114 Superconductor logic and switching circuits
09/01/1994WO1994019869A1 Resampling synchronizer of digitally sampled signals
08/1994
08/31/1994EP0613256A1 AD converter with modulated dither signal
08/31/1994EP0612979A1 Sensor for indicating the position of a code organ relative to a detector
08/31/1994EP0612410A1 Scanning process for jitter signals
08/30/1994US5343201 A-D converter
08/30/1994US5343200 Analog/digital converter with digital automatic gain control
08/30/1994US5343199 Resistor string circuit for use in D/A converter or A/D converter
08/30/1994US5343198 Neuron analog-to-digital converter
08/30/1994US5343197 Digital-to-analog converter
08/30/1994US5343196 D/A converter with reduced power consumption
08/27/1994CA2116157A1 Modulated dither signal
08/25/1994CA2115964A1 High dynamic range digitizer
08/24/1994EP0339045B1 Data limiter with current controlled response time
08/23/1994US5341137 Analog to digital converter using parallel folder and decoder circuits
08/18/1994WO1994018445A1 Device and method for digitally measuring a voltage varying within a given range, and uses thereof
08/17/1994EP0610627A2 A/D Converter
08/17/1994EP0610430A1 Analog-to-digital converter and method of fabrication
08/16/1994US5339079 Digital-to-analog converter with a flexible data interface
08/11/1994DE4319376C1 Arrangement for the analog/digital conversion of signals having a different signal level
08/10/1994EP0609916A2 Superconducting analog-to-digital converter and techniques for its reading
08/10/1994EP0609759A2 Signal clamping apparatus
08/10/1994EP0373211B1 Subranging analog-to-digital converter with calibration
08/09/1994US5337230 Signal processing circuits with digital programmability
08/02/1994US5334885 Automatic control of buffer speed
08/02/1994CA1331217C High-speed digital image processing apparatus
07/1994
07/27/1994EP0607971A2 Digital to analog converter
07/27/1994EP0607712A1 Frequency modulated integrator circuit
07/27/1994EP0607677A2 Integrated waveshaping circuit
07/26/1994US5332997 Switched capacitor D/A converter
07/26/1994US5332996 Method and apparatus for all code testing
07/20/1994EP0606799A1 Analog-digital converter with distributed sampler and holder
07/20/1994EP0606727A1 Automatic control of buffer speed
07/19/1994US5331324 A/D converter
07/19/1994US5331323 Analog-to-digital connecter using multi-gate field effect transistors
07/19/1994US5331321 A/D converter and D/A converter employing a rodix smaller than a two, and calibration thereof
07/19/1994CA2015274C Speech coding apparatus
07/13/1994EP0605883A2 Digital-analog converter, offset adjustor and portable communication terminal unit
07/12/1994USRE34660 Apparatus and methods for digital-to-analog conversion using modified LSB switching
07/12/1994US5329281 Analog to digital converter with autoranging offset
07/12/1994US5329279 Method of transcoding data from a thermometric code, decoder and converter applying this method
07/12/1994US5329172 Chopping type comparator with clocked inverter
07/07/1994WO1994015404A1 Analog to digital converter and method
07/07/1994WO1994015403A1 R/2r digital to analog converter
07/07/1994WO1994015402A1 D/a converter with means to prevent output signal instability
07/06/1994EP0604746A2 Circuit arrangement for expanding the virtual dynamic range of digital audio signal processor
07/06/1994CN1025397C Third order sigma-delta oversampled analog-to-digital converter network with low component sensitivity
07/05/1994US5327520 Method of use of voice message coder/decoder
07/05/1994US5327138 Charge-mode analog to digital converter
07/05/1994US5327137 Analog to digital converter
07/05/1994US5327136 Asynchronous successive approximation analog-to-digital converter
07/05/1994US5327135 Series-parallel A-D converter
07/05/1994US5327134 D-A converter
07/05/1994US5327131 Parallel A/D converter having comparator threshold voltages defined by MOS transistor geometries
07/05/1994US5327129 Accuracy bootstrapping
06/1994
06/30/1994DE4243780A1 Angle transducer with marking indicator for IC engine choke flap angle determn
06/30/1994DE4243779A1 Digital angle sensor for ic engine choke flap
06/30/1994DE4243778A1 Position detection method, e.g. for vehicle steering wheel angle
06/29/1994EP0604397A2 Digital-to-analogue conversion
06/29/1994EP0604168A1 Cascadable flash analog-digital converters
06/29/1994EP0603904A1 Digital-to-analogue conversion circuit
06/28/1994US5325093 Analog-to-digital converter for composite video signals
06/28/1994US5325056 Magnetic encoder with a plurality of magnetic signal-generating means having different magnetic pole pitches
06/28/1994US5324995 Sample and hold voltage receiver having reduced harmonic distortion
06/23/1994WO1994007310A3 Analogue to digital and digital to analogue converters
06/23/1994DE4402952A1 Analogue=digital converter using voltage comparator stages
06/22/1994EP0341314B1 Absolute position encoder