Patents
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
08/1995
08/15/1995US5442355 System for developing CRT color-intensity control signals in high resolution CRT display equipment
08/15/1995US5442353 Bandpass sigma-delta analog-to-digital converter (ADC), method therefor, and receiver using same
08/15/1995US5442352 Linear attenuator for current-mode digital-to-analog converter (DAC) or the like
08/15/1995US5442312 Integrated circuit for generating a reset signal
08/15/1995US5442281 Method and apparatus for deriving power consumption information from the angular motion of a rotating disk in a watt hour meter
08/15/1995US5442275 Battery charging circuit and electronic device including the same
08/10/1995DE4409063C1 Analogue=to=digital conversion appts.
08/10/1995DE19500617A1 Vorrichtung und Verfahren zum Codieren von Positionen Apparatus and method for encoding positions
08/09/1995EP0665999A1 Analogue to digital and digital to analogue converters
08/08/1995US5440305 Method and apparatus for calibration of a monolithic voltage reference
08/08/1995CA1336622C Voice decoding device
08/02/1995EP0665684A2 An apparatus and method for driving a liquid crystal display
08/02/1995EP0665661A2 Digital signal processing apparatus and method and dither signal generating apparatus
08/02/1995EP0665442A1 Method and apparatus for testing a codec
08/02/1995CN1029444C Analog-to-digital converter circuit having automatic range control
08/01/1995US5438691 Receiver using a plurality of amplifiers and analog-to-digital converters for demodulating and decoding a signal
08/01/1995US5438373 System for developing CRT color-intensity control signals in high resolution CRT display equipment
08/01/1995US5438330 Absolute encoder
08/01/1995US5438193 Absolute rotary encoder with slit patterns having bit-coded tracks ranging from higher to lower order
07/1995
07/27/1995WO1995020270A1 Pipelined analog-to-digital converter with curvefit digital correction
07/27/1995WO1995020268A1 Semiconductor device
07/26/1995EP0664503A1 Noise-insensitive device for bias current generation
07/26/1995CA2139795A1 Cleaner for tined wheels
07/25/1995US5436629 Multi-stage A/D converter
07/19/1995EP0663729A1 Linear attenuator for current-mode digital-to-analog converter (DAC) or the like
07/19/1995EP0663728A1 Convolutional digital to analog converter
07/18/1995US5434800 Programmable system for the synchronization of an electronic angular position indicator
07/18/1995US5434569 Methods for adjusting the coupling capacitor of a multi-stage weighted capacitor A/D converter
07/13/1995WO1995019068A1 Low resolution, high linearity digital-to-analog converter without trim
07/13/1995CA2180467A1 Low resolution, high linearity digital-to-analog converter without trim
07/12/1995EP0662757A2 Analog-digital conversion system with automatic offset tracking and correcting circuit and method of operation
07/12/1995CN1029345C Linearising non-linear analog-to-digital process and circuit
07/11/1995US5432693 Digital pulse width modulator circuit with proportional dither
07/11/1995US5432514 Method and apparatus for detecting abnormality in analog-to-digital converter
07/11/1995US5432513 Codec
07/06/1995WO1995018488A1 Semiconductor circuit
07/05/1995EP0661817A1 Digital-to-analog converter
07/05/1995EP0660982A1 Driving circuit for a gate turn-off thyristor
06/1995
06/29/1995WO1995017782A1 Analog-to-digital conversion circuit with improved differential linearity
06/28/1995EP0660532A2 Device and method for digitally shaping the quantization noise of an n-bit digital signal, such as for digital-to-analog conversion
06/28/1995EP0660529A1 Digital/analog converting circuit
06/28/1995EP0660528A1 High-performance superconducting digital-to-analog converter employing double-junction SQUID flip-flops
06/28/1995EP0660527A1 Data converter with gain scaling including dither
06/28/1995EP0660224A1 Data converter with barrel shifter
06/28/1995EP0660222A1 Data converter with fifo
06/21/1995EP0658981A1 Digital correction for missing codes caused by capacitive mismatching in successive approximation analog-to-digital converters
06/21/1995EP0658979A2 Data converter with programmable decimation or interpolation factor
06/20/1995US5426461 Image pickup signal processing apparatus for performing nonlinear processing
06/20/1995US5426431 Analog/digital converter
06/20/1995US5426430 Pipelined charge metering digital-to-analog data line driver
06/20/1995US5426413 High speed integrating digital-to-analog converter
06/14/1995EP0658006A1 A merged decoding circuit for analog-to-digital flash conversion
06/14/1995EP0658001A1 Multiple input comparator circuit for a switched resistive network
06/14/1995EP0657072A1 Apparatus and method for producing an analog output signal from a digital input word
06/13/1995US5425094 Telephone-related apparatus
06/13/1995US5425073 Analyzer circuit an inductive position sensor
06/13/1995US5425061 Method and apparatus for bit stream synchronization
06/13/1995US5425055 Digital radio modulator
06/13/1995US5424740 Digital-to-analog converter with a Johnson code generator
06/13/1995US5424739 Device and method for digitally shaping the quantization noise of an N-bit digital signal, such as for digital-to-analog conversion
06/13/1995US5424738 Analog-digital encoding circuit with automatic compensation for the zero offset
06/13/1995US5424736 Latched neural network A/D converter
06/13/1995US5424735 Analogue to digital and digital to analogue converters
06/07/1995EP0656161A1 Apparatus and method for frequency translation in a communication device
06/07/1995EP0531455A4 Method and apparatus for encoding and decoding using wavelet-packets
06/07/1995EP0401245B1 Digital to analogue converter
06/06/1995US5422807 Microcontroller with improved A/D conversion
06/06/1995US5422643 High dynamic range digitizer
06/06/1995US5422642 DC centering analog receiver for flash A/D converter
06/06/1995CA1335842C Phase/digital conversion method and arrangements for implementing the method
06/01/1995DE3726582C2 Verfahren und Vorrichtung zur Wandlung von Eingangsgrößen, insbesondere zur simultanen Analog/Digitalumsetzung Method and apparatus for conversion of input variables, in particular for the simultaneous analog / digital conversion
05/1995
05/31/1995EP0655841A1 DC voltage offset compensation
05/31/1995EP0655670A1 Time domain component multiplexing
05/31/1995EP0573409B1 Interpolative analog/digital converter for band-pass signals
05/31/1995CN1103218A Circuit for processing signals
05/30/1995US5420963 Apparatus including a neural network used for signal processing, such as signal clustering, signal identification, and A/D conversion
05/30/1995US5420807 Multiplication circuit for multiplying analog inputs by digital inputs
05/30/1995US5420587 Two stage flash analog-to-digital signal converter
05/30/1995US5420586 Superconducting analog to digital converter type circuit
05/30/1995US5420585 Digital to analog conversion devices
05/30/1995US5420584 Data converter with barrel shifter
05/24/1995EP0654908A1 Piecewise-linear gamma corrected analog to digital conversion system
05/24/1995DE4339784A1 Time-correlated photon counting system
05/23/1995US5418654 System for recording custom albums from a library of pre-recorded items
05/23/1995US5418533 Method and circuit for conditioning a signal for use in systems having analog-to-digital converter circuits
05/23/1995CA1335674C Electronic filters, signal conversion apparatus, hearing aids and methods
05/18/1995WO1995013465A1 Electronic metering circuit
05/18/1995DE4244696C2 Variable width current mirror DAC for IC testing in computer test system
05/17/1995EP0653870A1 Call establishment for simultaneous analog and digital communications
05/17/1995EP0653855A1 A differential switched capacitor circuit
05/16/1995US5416759 Variable gain digital servo system with improved resolution and reduced quantization error
05/16/1995US5416485 Analog-to-digital conversion circuit with improved differential linearity
05/16/1995US5416484 Differential comparator and analog-to-digital converter comparator bank using the same
05/16/1995US5416482 Resistance ladder
05/16/1995US5416481 Analog-to-digital converter with multi-level dither current input
05/16/1995US5416480 Analog interface circuits for process controllers and process monitors
05/16/1995US5416369 High-sensitivity high-resolution comparator
05/16/1995US5416351 Electrostatic discharge protection
05/13/1995CA2132991A1 Call establishment for simultaneous analog and digital communications
05/11/1995DE4439317A1 Video digital/analog signal converter