Patents
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
11/1995
11/15/1995EP0682265A1 Circuit and method for testing a dithered analog-to-digital converter
11/15/1995CN1030272C Phase quantization A/D converting method and device thereof
11/14/1995US5467090 Serial processing circuits with serial chaining
11/14/1995US5467089 Capacitor array digital/analog converter with compensation array for stray capacitance
11/14/1995US5467036 Integrated circuit device for driving elements and light emitting device
11/09/1995WO1995030281A1 Dynamic power saving video dac
11/09/1995WO1995030280A1 Low-voltage cmos analog-to-digital converter
11/09/1995WO1995030279A1 Charge redistribution analog-to-digital converter with system calibration
11/09/1995WO1995030271A1 Low-voltage cmos comparator
11/08/1995EP0681372A1 Digital-to-analog conversion circuit and analog-to-digital conversion device using the circuit
11/08/1995EP0681371A1 Method and arrangements for analogue-digital converters
11/08/1995EP0628227A4 Analog-to-digital converter with conversion rate inverse to the integration period.
11/07/1995US5465093 Analog-to-digital converter
11/07/1995US5465092 Pipelined analog-to-digital converter with curvefit digital correction
11/02/1995WO1995029533A1 Measurement probe with analog-to-digital converter
11/02/1995EP0680151A1 Analog-to-digital conversion device for low frequency low amplitude differential signals
11/02/1995EP0680150A1 Absolute signal detecting method and absolute encoder
11/02/1995EP0680149A2 Analogue-to-digital conversion systems
11/02/1995EP0656161A4 Apparatus and method for frequency translation in a communication device.
11/02/1995EP0614533B1 Method for optimizing error corrections for binary logic components
11/02/1995CA2187425A1 Measurement probe with analog-to-digital converter
11/01/1995CN1111076A Apparatus and method for producing an analog output signal from a digital input word
10/1995
10/31/1995US5463395 Semi-flash type A/D converter employing a correction encoder for eliminating errors in the output signals due to noise, and a corresponding method therefor
10/31/1995US5463394 Current switch for a high speed DAC
10/31/1995US5463393 Method and apparatus for correcting errors in an amplitude encoded signal
10/31/1995US5463350 Biasing circuit of an amplifier
10/31/1995CA2146206A1 Analogue-to-digital conversion systems
10/24/1995US5461563 Non-stage transmission control system
10/24/1995US5461375 Forward/backward counting device
10/19/1995WO1995028038A1 Analog interface circuits for process controllers and process monitors
10/17/1995US5459679 Real-time DC offset control and associated method
10/17/1995US5459465 Sub-ranging analog-to-digital converter
10/17/1995US5459464 Frequency modulated integrator circuit
10/12/1995DE4403732C1 Pulse width modulator circuitry including 16-bit timing register
10/11/1995EP0448590B1 Predictive coding and decoding
10/11/1995EP0431195B1 Encoder
10/10/1995US5457459 Analog to digital converter for charge coupled signals
10/10/1995US5457458 High resolution analog current-to-frequency converter
10/10/1995US5457457 Digital to analog conversion device which decreases low level high frequency noise
10/10/1995US5457456 Data converter with programmable decimation or interpolation factor
10/10/1995US5457371 Binary locally-initializing incremental encoder
10/10/1995US5456021 Apparatus and method for measuring linear and angular displacements
10/05/1995DE19511474A1 Optical encoder e.g. for rotating shaft
10/05/1995DE19510726A1 Forming and aligning light path in optical encoder
10/04/1995EP0675604A1 Integrating analog-digital converter
10/04/1995EP0675603A1 Absolute signal detecting method and absolute encoder
10/03/1995US5455584 High frequency high resolution quantizer
10/03/1995US5455583 Combined conventional/neural network analog to digital converter
10/03/1995US5455582 Digital to analog converter employing R-2R ladders with substituted shunt arms
10/03/1995US5455581 Digital-to-analog converter employing a common trigger and reference signal
10/03/1995US5455580 Circuit device utilizing a plurality of transistor pairs
10/03/1995CA2017400C Method and apparatus for determining engine oil change intervals according to actual engine use
09/1995
09/27/1995EP0673576A1 Apparatus for and method of speech digitizing
09/26/1995US5454013 Amplitude modulation method and broadcasting apparatus for carrying out the method
09/26/1995US5453757 Liquid crystal display control system including storage means and D/A converters
09/26/1995US5453744 Device for modular input high-speed multi-channel digitizing of electrical data
09/26/1995US5453743 Two-dimensional symmetric thermometer matrix decoder of digital/analog converter
09/26/1995US5453741 Sampling frequency converter
09/21/1995DE19509420A1 Digital encoder system for registering position of moving element
09/20/1995CN1108778A Multistage switching circuit
09/19/1995US5452336 Memory device for recording a time factor
09/19/1995US5452324 Packet data recovery system
09/19/1995US5452014 Video dac rise time control and supply noise suppression
09/19/1995US5451955 Digital amplitude quantizer
09/19/1995US5451952 CMOS flash analog-to-digital converter with hysteresis
09/19/1995US5451947 Modulated dither signal
09/19/1995US5451946 Apparatus and method for producing an analog output signal from a digital input word
09/19/1995US5451945 Multi-speed multi-phase resolver converter
09/19/1995US5451937 Universal generator interface module
09/13/1995EP0671815A1 Method of linearization of discontinuities in the transfer characteristic of a DA converter as well as a device and use
09/13/1995EP0671737A2 Method and apparatus of reproducing digital data
09/12/1995US5450085 Method and apparatus for high speed analog to digital conversion using multiplexed flash sections
09/12/1995US5450084 D/A converter with differential switching circuit providing symmetrical switching
09/12/1995US5450082 Single multi-purpose input for different types of sensors with data edge conditioning circuit or ADC to provide digital output
09/07/1995DE4407054A1 Circuitry converting sinusoidal signals into rectangular ones
09/06/1995EP0670499A1 Voltage to frequency converter
09/06/1995EP0670088A1 Pipelined analog to digital converters and interstage amplifiers for such converters.
09/05/1995US5448308 Apparatus for clamping a video signal level
09/05/1995US5448239 Analog-to-digital converter
09/05/1995US5448238 Method and apparatus for digital to analog conversion using GaAs HI2 L
09/05/1995US5448237 Digital circuit for the introduction of dither into an analog signal
09/05/1995CA2025455C Speech coding system with generation of linear predictive coding parameters and control codes from a digital speech signal
08/1995
08/31/1995WO1995023457A1 Compression of palletized images and binarization for bitwise coding of m-ary alphabets therefor
08/31/1995DE4405380A1 Integrating analogue=to=digital converter e.g. for weighing appts.
08/31/1995DE19505500A1 Absolute shaft encoder and position generator
08/30/1995EP0669723A1 D/A converter with increased resolution
08/30/1995EP0669517A2 Signal processing apparatus and displacement detecting apparatus using the same
08/29/1995US5446852 Method of reducing noise signals caused by fluctuations in power requirements of digital signal processor having recurring wait routines
08/29/1995US5446457 Current-summing digital-to-analog converter with binarily weighted current sources
08/29/1995US5446455 Auto-calibrated current-mode digital-to-analog converter and method therefor
08/29/1995US5446398 Sampling frequency converter
08/29/1995US5446371 Precision analog-to-digital converter with low-resolution and high-resolution conversion paths
08/24/1995WO1995022856A1 A/d convertor
08/22/1995US5444613 Device for generating a signal representative of the position of an angularly or linearly moveable member
08/22/1995US5444459 Signal acquisition system utilizing ultra-wide time range time base
08/22/1995US5444447 Analog-digital converter with distributed sample-and-hold circuit
08/22/1995US5444446 Apparatus and method for duplicating currents
08/22/1995CA1336788C Analog-to-digital converter using superconducting material
08/17/1995WO1995022207A1 Circuit arrangement for compensating the offset of an a.c. signal applied to one input thereof
08/15/1995US5442575 Scanning analog-to-digital converter operating under the subranging principle