Patents
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
08/2001
08/07/2001US6271669 Sensor circuit that converts detected change value from analog to digital value
08/02/2001WO2001056166A2 Method and analog-to-digital converter for converting an analog voltage into an arithmetical value
08/02/2001WO2001056165A2 Analog-to-digital converter
08/02/2001WO2001056164A1 Programmable electronic trim capacitor
08/02/2001WO2001056163A1 Intentionally non-monotonic digital-to-analog converter
08/02/2001WO2001056145A1 Power-conserving external clock for use with a clock-dependent integrated circuit
08/02/2001WO2001056062A2 Charge balancing system
08/02/2001WO2001056008A1 Pointing device with z-axis functionality and reduced component count
08/02/2001WO2001055729A2 Sensor arrangement
08/02/2001US20010010711 Digital transmission system for transmitting a digital audio signal being in the form of samples of a specific wordlength and occurring at a specific sampling rate
08/02/2001US20010010563 Device and method for generating auto gain control signal
08/02/2001US20010010500 Adaptively calibrating analog-to-digital conversion
08/02/2001DE19962278A1 Positionsmeßeinrichtung A position
08/02/2001CA2398730A1 Power-conserving external clock for use with a clock-dependent integrated circuit
08/01/2001EP1120915A1 Over-sampling a/d, d/a converter
08/01/2001CN1306347A D/A converter with current helm structure for 12c logic
07/2001
07/31/2001US6269338 Data compression and expansion of an audio signal
07/31/2001US6269317 Self-calibration of an oscilloscope using a square-wave test signal
07/31/2001US6268819 Bit interpolation in a resistor string data converter
07/31/2001US6268818 Method and apparatus for improving modulation accuracy
07/31/2001US6268817 Digital-to-analog converter
07/31/2001US6268816 Digital to analog converter with reduced ringing
07/31/2001US6268814 Carrier-dependent dithering for analog-to-digital conversion
07/31/2001US6268813 Self-test for charge redistribution analog-to-digital converter
07/26/2001WO2001054317A2 Trellis-coding and pre-equalisation for optical channels
07/26/2001US20010009402 System for quantizing an analog signal utilizing a resonant tunneling diode differential ternary quantizer
07/25/2001CN1305663A Digital-to-analog converter
07/24/2001US6266040 Integrated circuit for liquid crystal display apparatus drive
07/24/2001US6266002 2nd order noise shaping dynamic element matching for multibit data converters
07/24/2001US6266001 Method and apparatus for switching low voltage CMOS switches in high voltage digital to analog converters
07/24/2001US6265999 High-speed serial-to-parallel and analog-to-digital conversion
07/24/2001US6265998 Sampling device having an intrinsic filter
07/24/2001US6265909 Three-valued switching circuit
07/24/2001US6265860 Waveform measuring apparatus and waveform obtaining method
07/24/2001US6265857 Constant current source circuit with variable temperature compensation
07/19/2001DE19963809A1 Optical encoder to detect linear or rotational movement; has grid unit with equal length transparent and opaque areas and detection unit with three photodiodes parallel to grid unit
07/18/2001EP1116365A1 Methods and circuits for generating a preemphasis waveform
07/18/2001EP1116331A1 Precision position encoder using coarse position indicator
07/18/2001EP1116330A2 Differential input circuit for digital signal processing system
07/18/2001CN1304213A High speed dynamic latch
07/17/2001US6263290 Process and machine for signal waveform analysis
07/17/2001US6263154 Multiple user recording system
07/17/2001US6262678 Current-mode spike-based analog-to-digital conversion
07/17/2001CA2083158C Method and apparatus for encoding and decoding using wavelet-packets
07/12/2001US20010007443 Differential amplifier, comparator, and A/D converter
07/12/2001DE10028835A1 Verfahren und Gerät zum Testen einer Halbleitervorrichtung Method and apparatus for testing a semiconductor device
07/11/2001EP1114515A1 Analog to digital conversion
07/11/2001EP1114298A1 Device for the analog or digital processing of signals
07/11/2001EP0809889B1 Analog-to-digital conversion with multiple charge redistribution conversions
07/11/2001CN1303227A Transmission/receiving device and transmission/receiving method
07/10/2001US6259393 Semiconductor integrated circuit and driving method using comparator feedback loop to switch subtraction bypass circuit
07/10/2001US6259392 Multiplying digital-to-analog converters and methods that selectively connect unit and feedback capacitors to reference voltages and feedback voltages
07/10/2001US6259391 Analog gain control adjustment using a probabilistic algorithm
07/10/2001US6259390 Method and apparatus for generating pulses from analog waveforms
07/10/2001US6259300 Differential input interface circuit and method for adjusting DC levels of differential input signals
07/10/2001US6259281 Parallel analog sampling circuit and analog-to-digital converter system incorporating clock signal generator generating sub-sampling clock signals with fast and precisely-timed edges
07/05/2001WO2001049020A2 Method and apparatus for processing front end signal for image sensor
07/05/2001WO2001048933A1 Receiver and gain control method
07/05/2001US20010006371 Device and method for the rapid digital/analog conversion of pulse width modulated signals
07/05/2001US20010006314 Self-centering timing disk hub and method of mounting the same
07/05/2001DE19960560A1 Verfahren und System zum Übertragen eines Meßwertes zu einer Steuereinrichtung, die mit einem Integral des Meßwertes arbeitet A method and system for transmitting a measured value to a control device that operates with an integral of the measured value
07/04/2001CN1302478A Differentiating between input range in passive keyboard
07/03/2001US6255979 CMOS flash analog to digital converter compensation
07/03/2001US6255978 Serial pipeline DAC with Gamma correction function
07/03/2001US6255976 Low-frequency noise removing method and a related CMOS sensing circuit
07/03/2001US6255972 Configurable data converter
07/03/2001US6255971 Analog-to-digital conversion arrangement using input interchanging and post-processing to provide better linearity
07/03/2001US6255970 Correction of missing codes nonlinearity in A to D converters
07/03/2001US6255967 Frame-based spectral shaping method and apparatus
07/03/2001US6255906 Power amplifier operated as an envelope digital to analog converter with digital pre-distortion
06/2001
06/28/2001WO2001047323A2 Compander for power control in a ballast
06/28/2001WO2001047123A1 High-precision d-a converter circuit
06/27/2001EP1111795A2 Dynamic range extension of a digitiser
06/27/2001EP1111794A2 Analog-digital converter for digital systems
06/27/2001EP1111345A2 Position measuring device
06/27/2001EP1110135A1 Method and device for generating a random signal and digital-to-analog converting systems using same
06/27/2001CN1301086A AD converter circuit
06/26/2001US6252567 Multi-output digital to analog converter
06/26/2001US6252536 Dynamic range extender apparatus, system, and method for digital image receiver system
06/26/2001US6252535 Method and apparatus for acquiring wide-band pseudorandom noise encoded waveforms
06/26/2001US6252534 Resistor string DAC with current mode interpolation
06/26/2001US6252533 Data conversion device
06/26/2001US6252531 Data acquisition system using delta-sigma analog-to-digital signal converters
06/26/2001US6252530 D/A converter having mechanism for preventing analog signal distortion
06/26/2001US6252529 Adjustable gain precision full wave rectifier with reduced error
06/26/2001US6252223 Rotary encoder having a disk with a conductive pattern
06/21/2001WO2001045270A1 Digital/analog converter
06/21/2001WO2001045269A1 Oversampling circuit and digital/analog converter
06/21/2001WO2001045268A1 Oversampling circuit and digital/analog converter
06/21/2001WO2001045266A1 Digital/analog converter
06/21/2001WO2001045265A1 Averaging cell mismatches in integrated circuits
06/21/2001WO2001010033A3 Analog-to-digital converter for a signal in the gigahertz range, millimetric wave receivers and bandpass filter for millimetric waves
06/20/2001EP1109316A2 System and method for offset error compensation in comparators
06/20/2001EP1108623A1 Method and system for transmitting a measurement value to a control unit, which uses the integral of the measurement value
06/20/2001CN1300135A High-speed encoding device and method thereof
06/20/2001CN1300046A Driver circuit
06/19/2001US6249839 Color palette RAM and D/A converter
06/19/2001US6249583 On-line signal processing method
06/19/2001US6249240 Switched-capacitor circuitry with reduced loading upon reference voltages
06/19/2001US6249239 Potentiometric DAC having improved ratiometric output voltage stability