H03M 1 - Analogue/digital conversion; Digital/analogue conversion

Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
12/1997
12/30/1997	US5703587 Digital-to-analog converter having overlapping segments
12/30/1997	US5703586 Digital-to-analog converter having programmable transfer function errors and method of programming same
12/30/1997	US5703582 DAC with feedback control for current source bias during non-display period
12/29/1997	EP0813706A1 Microcontroller with analog front-end for providing intelligent battery management
12/24/1997	WO1997049188A1 Method of testing an analog-to-digital converter
12/24/1997	WO1997049187A1 Analog interface circuits
12/24/1997	CN1168586A Coupled line arrangement used for analog transmission route and digital transmission
12/24/1997	CN1168570A Interpolating digital to analog converter architecture for improved spurious signal suppression
12/23/1997	US5701389 Method of encoding a portion of an audio signal
12/23/1997	US5701260 Multiplier using charge transfer device
12/23/1997	US5701007 Method of aligning a light pathway for an optics apparatus
12/23/1997	CA2045963C Method and apparatus for detecting recorded signals on a magnetic recording medium
12/17/1997	EP0813299A2 Charge domain signal filter
12/17/1997	EP0813289A1 Rotor position encoder for an electrical machine
12/17/1997	EP0812425A1 Process and machine for signal waveform analysis
12/17/1997	CN1167940A Reduced cost pointing stick circuit
12/17/1997	CN1036752C Apparatus and method for producing analog output signal from digital input word
12/17/1997	CN1036751C Modulated dither signal
12/16/1997	US5699063 Analog signal input circuitry with an analog-to-digital converter in a semiconductor device
12/16/1997	US5699058 Absolute encoder generating phase-shifted triangular waveforms to produce multi-bit signals
12/16/1997	US5699004 Temperature compensation of logarithmic amplifiers in a sampled data system
12/16/1997	US5698999 Sampling and holding device
12/16/1997	US5698849 For a rotating shaft
12/11/1997	WO1997047090A1 An audio a/d converter using frequency modulation
12/11/1997	DE19722805A1 Successive approximation register A=D converter for communication electronics
12/11/1997	DE19722804A1 Flash-type A=D converter for electronics and communication
12/11/1997	DE19718154A1 Verfahren und Schaltung für eine Basisbandsignaldämpfung Method and circuit for a baseband signal attenuation
12/09/1997	US5696988 Current/voltage configurable I/O module having two D/A converters serially coupled together such that data stream flows through the first D/A to the second D/A
12/09/1997	US5696512 Digital/analog (D/A) converting device with unit current generating circuit having differential switching and reference voltage generating circuits
12/09/1997	US5696511 Voltage comparator and pipeline type A/D converter
12/09/1997	US5696510 Double-input analog-to-digital converter using a single converter module
12/09/1997	US5696509 Digital to analog converter using capacitors and switches for charge distribution
12/09/1997	US5696508 Comparator-offset compensating converter
12/09/1997	US5695048 Double-grid mechanical encoder
12/04/1997	WO1997045960A1 Autocalibrating a/d converter and sensor device comprising such a converter
12/03/1997	EP0810602A2 Improvements in systems for achieving enhanced frequency resolution
12/03/1997	EP0810601A2 Improvements in hidden code side channels
12/03/1997	EP0810600A2 Improvements in systems for archieving enhanced amplitude resolution
12/03/1997	EP0810599A2 Improvements in signal encode/decode systems
12/03/1997	EP0809889A2 Analog-to-digital conversion with multiple charge redistribution conversions
12/03/1997	EP0809882A1 Combination d/a converter and fir filter utilizing active current division and method
12/03/1997	CN1166895A Signal processing with sampling
12/03/1997	CN1166726A New-type parallel A/D converter circuit
12/02/1997	US5694079 Digital FM demodulator using a lagrangian interpolation function
12/02/1997	US5694054 Integrated drivers for flat panel displays employing chalcogenide logic elements
12/02/1997	US5694038 Detector of passing magnetic articles with automatic gain control
11/1997
11/27/1997	DE19721514A1 Rotary electronic device with actuating knob e.g. for front-mounted control panel for electronic equipment
11/26/1997	CN1036545C Measuring system for absolute position
11/25/1997	US5691722 Direct-digitizing, self stabilizing analog to digital converter
11/25/1997	US5691721 Digital/analog converter having separately formed voltage dividing resistance regions
11/25/1997	US5691719 Analog/digital converter capable of defining and storing A/D converted data
11/25/1997	US5691657 Sample-and-hold circuit including a robust leakage current compensating circuit
11/20/1997	WO1997043833A1 Improved switch architecture for r/2r digital to analog converters
11/19/1997	EP0808023A1 Current bit cell and switched current network formed of such cells
11/19/1997	EP0807335A1 Wide dynamic range analog to digital conversion
11/19/1997	CN1165439A Switched capacitor digital-to analog converter
11/18/1997	US5689260 Analog-to-digital converter using scaled signal to initialize coarse conversion circuit
11/18/1997	US5689259 Differental D/A converter with N-bits plus sign
11/18/1997	US5689258 Multiple current digital-analog converter capable of reducing output glitch
11/18/1997	US5689197 BIMOS-type current switch apparatus
11/13/1997	WO1997042713A1 Digital to analogue converter with multiple output stages
11/13/1997	WO1997042712A1 A method and device to convert an analog current to a digital signal
11/13/1997	WO1997042711A1 Digital to analogue converter with reference signal
11/13/1997	DE19650341A1 Analog signal input periodic and non-periodic selection analog-to-digital converter
11/13/1997	DE19619113A1 Position sensor for moving part in combustion engine or in vehicle
11/13/1997	DE19618148A1 High-frequency band-pass signal digitalisation method
11/13/1997	CA2253488A1 A method and device to convert an analog current to a digital signal
11/12/1997	CN1164778A A/D changer
11/11/1997	US5687103 Position measuring device
11/11/1997	US5687003 Reader with high-resolution mode and high-speed mode
11/11/1997	US5686918 Analog-to-digital converter with digital-to-analog converter and comparator
11/11/1997	US5686913 Serial data interface apparatus and method for detecting an input word length and selecting an operating mode accordingly
11/11/1997	US5686911 Contact type rotary encoder employing electrically conductive balls as switching contacts for printed circuit electrodes
11/11/1997	US5686869 Pulse-width modulating device
11/05/1997	EP0805467A2 Switch particularly a rotary switch
11/05/1997	EP0804832A1 D/a converter with constant gate voltage
11/05/1997	EP0804831A1 Power-up calibration of charge redistribution analog-to-digital converter
11/05/1997	CN1164147A Third order A-D converter
11/05/1997	CN1164146A Quasi-tandem A-D converter
11/04/1997	US5684738 Analog semiconductor memory device having multiple-valued comparators and floating-gate transistor
11/04/1997	US5684719 Software-based resolver-to-digital converter
11/04/1997	US5684487 Method of converting an analog signal to a digital signal
11/04/1997	US5684486 Flash A/D converter
11/04/1997	US5684485 Multi-comparison analog-to-digital converters using the interpolation principle
11/04/1997	US5684483 Floating point digital to analog converter
11/04/1997	US5684482 Spectral shaping of circuit errors in digital-to-analog converters
11/04/1997	US5684481 Rail-to-rail DAC drive circuit
11/04/1997	US5684480 Wide dynamic range analog to digital conversion
11/04/1997	US5684419 n-bit analog-to-digital converter with n-1 magnitude amplifiers and n comparators
10/1997
10/30/1997	WO1997040577A1 Process for controlling the power of the transmission amplifier of radio equipment
10/30/1997	WO1997040506A1 Variable capacitor
10/29/1997	EP0803977A2 Automatic gain control
10/29/1997	EP0803709A1 Device for measuring a value which is represented by trigonometric functions
10/29/1997	EP0803147A1 Transmitter comprising carrier suppression and dc offset reduction means
10/29/1997	EP0803066A1 Pulse initiator device
10/28/1997	US5682163 Semi-pipelined analog-to-digital converter
10/28/1997	US5682162 Oversampling digital-to-analog converter with auto-muting feature
10/28/1997	US5682159 Method and apparatus for reducing phase lag resulting from digital to analog conversion
10/28/1997	US5682111 Integrated circuit with power monitor
10/23/1997	WO1997032218A3 Circuit for detecting a level or a level variation of an input direct voltage

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