Patents
Sitemap › H03 - Basic electronic circuitry › H03M - Coding, decoding or code conversion, in general › H03M 1 - Analogue/digital conversion; Digital/analogue conversion
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
10/2003
10/07/2003US6630848 Track and hold circuit
10/02/2003WO2003081782A1 A/d converter calibration
10/02/2003WO2003081781A1 Semiconductor integrated circuit
10/02/2003WO2003080224A2 High dynamic range analog-to-digital converter
10/02/2003WO2002080370A3 Oversampling in analogue-digital and digital-analogue converters
10/02/2003US20030185576 Enhanced accuracy
10/02/2003US20030185321 Combined multiplexer and switched gain circuit
10/02/2003US20030184680 Data acquisition circuit
10/02/2003US20030184466 Analog/digital converter with error automatic calibration function
10/02/2003US20030184465 A/D converter circuit
10/02/2003US20030184464 Analog-to-digital conversion using an increased input range
10/02/2003US20030184460 Comparator, Analog-to-Digital Converter and Method of Analog-to-Digital Conversion Using Non-Linear Magneto-Electronic Device
10/02/2003US20030184459 Devices and methods for calibrating amplifier stages and for compensating for errors in amplifier stages of series-connected components
10/02/2003US20030184377 Quad switched gain circuit
10/02/2003US20030184290 Magnetic sensor apparatus capable of directly producing digital sensor data from magnetic sensor element
10/01/2003EP1349283A2 A/D converter circuit
10/01/2003EP1348258A1 Differential bipolar stray-insensitive pipelined digital-to-analog converter
10/01/2003CN1445932A Feedforward DC bias canceller for direct conversion receiver
10/01/2003CN1445931A A/D converter, A/D conversion method and signal processing device
10/01/2003CN1123123C Constant voltage generation device
10/01/2003CN1123122C A/D converter and converting method
09/2003
09/30/2003US6628224 Distributed averaging analog to digital converter topology
09/30/2003US6628222 Image processing apparatus having A/D converter
09/30/2003US6628219 Reducing jitter in mixed-signal integrated circuit devices
09/30/2003US6628218 Method and apparatus for mismatched shaping of an oversampled converter
09/30/2003US6628216 Calibration of resistor ladder using difference measurement and parallel resistive correction
09/30/2003US6628167 Linearized folding amplifier
09/30/2003US6628137 Apparatus and method for testing semiconductor integrated circuit
09/25/2003WO2003079555A2 Encoder with reference marks
09/25/2003US20030182618 PRML system with a branch estimator
09/25/2003US20030179841 Signal processing apparatus and signal processing method
09/25/2003US20030179125 A/D converter and solid-state camera
09/25/2003US20030179124 Analog to digital converter
09/25/2003US20030179123 Analog-to-digital conversion using a counter
09/25/2003US20030179122 D/A converter and delta-sigma D/A converter
09/25/2003US20030179120 Analog/digital converter
09/25/2003US20030179119 Methods and apparatus for digital offset correction using an ADC with an increased input range
09/25/2003US20030179118 Digital-analog-conversion circuit having function of automatic offset adjustment
09/25/2003US20030179018 Method and apparatus of producing a digital depiction of a signal
09/24/2003EP1347563A2 High-frequency pwm voltage control
09/24/2003EP1346371A1 Low voltage sample and hold circuit with voltage range compression and expansion
09/24/2003EP0864204B1 Integrated drivers for flat panel displays employing chalcogenide logic elements
09/24/2003CN1444339A Automatic correction method of A/D convertor sampling clock phase
09/24/2003CN1122367C Re-sampling circuit and modulator using the same and method for controlling said circuit
09/23/2003US6625555 Variable resistance measuring loop having compensational function for environmental factors
09/23/2003US6624778 Averaging amplifier array
09/23/2003US6624777 Fast A/D conversion signal processor, RF receiver circuit, digital receiver front end circuit, MRI apparatus, and fast A/D conversion device
09/23/2003US6624776 Method and system for adjusting the dynamic range of an analog-to-digital converter in a wireless communications device
09/23/2003US6624774 Delta sigma D/A converter
09/23/2003US6624772 Offset calibration system
09/23/2003US6624768 Method and device for coding/decoding
09/23/2003US6624667 Comparator and analog-to-digital converter
09/23/2003US6622391 Incremental rotary encoder, and a surveying instrument incorporating a magnetic incremental rotary encoder
09/18/2003WO2003077423A2 High speed analog-to-digital converter using a unique gray code having minimal bit transitions
09/18/2003WO2002015421A3 Method and apparatus for transmit digital-to-analog conversion (dac) gain variation compensation
09/18/2003US20030174601 Method for determining DC level of AC signal and DC offset of the same
09/18/2003US20030174249 Calibration device for a video input stage
09/18/2003US20030174083 Methods and apparatus for analog-to-digital conversion
09/18/2003US20030174082 A/D conversion method and apparatus therefor
09/18/2003US20030174081 Controlled drive circuit for an analog driven power semiconductor
09/18/2003US20030174080 Methods and systems for digital dither
09/18/2003US20030174079 Feed-forward DC-offset canceller for direct conversion receiver
09/18/2003US20030174012 Bias circuit
09/18/2003US20030173514 High dynamic range analog-to-digital converter
09/18/2003US20030172727 Device and method for determining the rotary orientation of a motor through use of a resolver signal derived from the rotary orientation
09/17/2003EP1345332A1 CODING METHOD, APPARATUS, DECODING METHOD, AND APPARATUS
09/17/2003EP1345329A2 Controlled driving circuit for an analogue-driven power semiconductor
09/17/2003EP1344319A2 Adaptively calibrating analog-to-digital conversion
09/17/2003EP1010237B1 High-order multipath operational amplifier with dynamic offset reduction, controlled saturation current limiting, and current feedback for enhanced conditional stability
09/17/2003CN2574009Y Zero signal grating grid stroke structure of rotary coder
09/16/2003US6621444 High speed, low power switched-capacitor digital-to-analog converter with a precharge arrangement
09/16/2003US6621443 System and method for an acquisition of data in a particular manner
09/16/2003US6621442 Analog-to-digital conversion with piece-wise non-linear reference waveforms
09/16/2003US6621441 Attenuating undesired frequencies while sampling a communication signal
09/16/2003US6621440 Digital to analogue converter
09/16/2003US6621439 Method for implementing a segmented current-mode digital/analog converter with matched segment time constants
09/16/2003US6621438 Digital-to-analog conversion with current path exchange during clock phases
09/16/2003US6621437 Multiplexed digital-to-analog converters used in communication devices
09/16/2003US6621433 Adaptive dynamic range receiver for MRI
09/16/2003US6621432 Digital to differential converters and digital to analog converters using the same
09/16/2003US6621431 Analog-to-digital converter circuit
09/16/2003US6621430 Antisaturation system for an analog-to-digital converter
09/16/2003US6621345 Gain control device for packet signal receiver
09/12/2003WO2003075465A1 Method and apparatus for analog-to-digital conversion
09/11/2003US20030171100 Method and apparatus for analog-to-digital conversion
09/11/2003US20030169196 Parallel AD converter
09/11/2003US20030169195 High-speed analog-to-digital converter using a unique gray code
09/11/2003US20030169194 Method of selecting cells for input code in a digital-to-analog converter
09/11/2003US20030169192 A/D converter calibration
09/10/2003EP1343086A2 Abnormality Detection Apparatus of Comparator
09/10/2003EP1342323A2 Adaptively calibrating analog-to-digital conversion with correction table indexing
09/10/2003CN2572673Y Analog value input circuit
09/09/2003US6618711 Programmable supervisory circuit and applications thereof
09/09/2003US6617994 Capacitive flash analog to digital converter
09/09/2003US6617993 Analog to digital converter using asynchronously swept thermometer codes
09/09/2003US6617992 Capacitor mismatch independent gain stage for differential pipeline analog to digital converters
09/09/2003US6617991 Structure for adjusting gain in a flash analog to digital converter
09/09/2003US6617990 Digital-to-analog converter using pseudo-random sequences and a method for using the same
09/09/2003US6617989 Resistor string DAC with current source LSBs
09/09/2003US6617987 Electron beam excited superconducting analog-to-digital converter
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