Patents
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
05/2004
05/11/2004US6734817 A/D converter, method of A/D conversion, and signal processing device
05/11/2004US6734816 D/A converter with high jitter resistance
05/11/2004US6734815 Geometric D/A converter for a delay-locked loop
05/11/2004US6734814 Modulator
05/11/2004CA2236119C Integrated drivers for flat panel displays employing chalcogenide logic elements
05/06/2004WO2004039021A1 Time encoding and decoding of a signal
05/06/2004WO2004038922A2 Advanced digital antenna module
05/06/2004WO2004038812A1 Optoelectronic circuits employing one or more heterojunction thyristor devices
05/06/2004WO2004038765A2 Optoelectronic clock generator and other optoelectronic devices and systems employing at least one heterojunction thyristor device
05/06/2004WO2004038432A2 High bandwidth real time oscilloscope
05/06/2004WO2004015866A3 Control loop for minimal tailnode excursion of differential switches
05/06/2004US20040085237 High speed digital to analog converter using multiple staggered successive approximation cells
05/06/2004US20040085236 Flash type analog to digital converting method and circuit
05/06/2004US20040085235 High speed analog to digital converter
05/06/2004US20040085234 Integrated digital calibration circuit and digital to analog converter (DAC)
05/06/2004EP1416639A1 Analog-to-digital converter with on-chip memory
05/06/2004EP1415400A2 Dual analog-to-digital converter system for increased dynamic range
05/06/2004DE10248049A1 Verfahren und Vorrichtung zur Wandlung eines analogen Signals in ein digitales Signal Method and apparatus for converting an analog signal into a digital signal
05/06/2004CA2480760A1 Advanced digital antenna module
05/05/2004CN1494219A Digital imitation change over unit circuit
05/05/2004CN1494213A Chopper comparer
05/04/2004US6731763 Audio A/D converter using frequency modulation
05/04/2004US6731232 Programmable input range SAR ADC
05/04/2004US6731231 Analogue to digital converter
05/04/2004US6731230 Method to smooth transitions in an ADC for current regulation
05/04/2004US6731155 Track and hold with dual pump circuit
05/04/2004CA2300345C Semiconductor device capable of reducing noise
04/2004
04/29/2004WO2004036860A1 Circuit arrangement for the analog-digital conversion of a voltage (ask-)modulated by modifying the amplitude between a low level and a high level
04/29/2004WO2004036757A2 Method and device for conversion of an analogue signal into a digital signal
04/29/2004WO2004036756A1 Method and apparatus for voltage reference generation by charge redistribution for use in analog to digital conversion
04/29/2004WO2004034911A1 Ultrasonic probe
04/29/2004WO2004004130A3 Improvements relating to time-interleaved samplers
04/29/2004US20040082091 Method of fabricating semiconductor devices employing at least one modulation doped quantum well structure and one or more etch stop layers for accurate contact formation
04/29/2004US20040081467 Optoelectronic clock generator producing high frequency optoelectronic pulse trains with variable frequency and variable duty cycle and low jitter
04/29/2004US20040081216 Optoelectronic device employing at least one semiconductor heterojunction thyristor for producing variable electrical/optical delay
04/29/2004US20040080446 Analog-to-digital converter
04/29/2004US20040080445 Layout method of a comparator array for flash type analog to digital converting circuit
04/29/2004US20040080444 Advanced digital antenna module
04/29/2004US20040080443 Distributed averaging analog to digital converter topology
04/29/2004US20040080442 Interleaving A/D conversion type waveform digitizer module and a test apparatus
04/29/2004US20040080441 Method and apparatus for increasing a dynamic range of a digital to analog converter
04/29/2004US20040080440 Apparatus for automatic indentification of audio input/output device and method thereof
04/29/2004US20040080439 System for and method for optimizing audio transfer resolution through the analog to digital conversion process
04/29/2004US20040080346 Chopper comparator
04/29/2004US20040080279 Organic EL element drive circuit and organic EL display device using the same drive circuit
04/29/2004US20040079963 Optoelectronic circuit employing a heterojunction thyristor device that performs high speed sampling
04/29/2004US20040079961 Photonic digital-to-analog converter employing a plurality of heterojunction thyristor devices
04/29/2004US20040079954 Semiconductor devices employing at least one modulation doped quantum well structure and one or more etch stop layers for accurate contact formation
04/29/2004US20040079939 Photonic serial digital-to-analog converter employing a heterojunction thyristor device
04/29/2004DE19628833B4 Kodiereinrichtung und Verfahren zum Betrieb derselben Coding means and method for operating the same
04/29/2004DE10296743T5 Analogeinheitensystem Analog System of Units
04/29/2004CA2502384A1 Ultrasonic probe
04/28/2004EP1414157A2 System and method for extending the dynamic range of an analog-to-digital converter
04/28/2004EP1413064A2 Device and method for offset calibration of the power control signal of radio devices
04/28/2004EP1413057A2 Switched capacitor pipeline ad-converter
04/28/2004EP1413056A2 Electron beam excited superconducting analog-to-digital converter
04/28/2004EP1161795B1 Method and apparatus determining position of a movable barrier
04/28/2004CN1148003C Offset compensation in analogue-digital converters
04/28/2004CN1147992C Simulated jitter signal generating method and generator
04/27/2004US6728524 Automatic gain control circuit for controlling two AGC amplifiers
04/27/2004US6727839 High speed, low power comparator
04/27/2004US6727838 Tracking analog-to-digital converter
04/27/2004US6727837 Method and a system of acquiring local signal behavior parameters for representing and processing a signal
04/27/2004US6727836 Method and apparatus for digital-to-analog signal conversion
04/27/2004US6727835 Analog multiplex level shifter with reset
04/22/2004WO2004034404A2 Use of analog-valued floating-gate transistors to match the electrical characteristics of interleaved and pipelined
04/22/2004WO2003090359A3 Multi-pass analog to digital converter
04/22/2004US20040076245 Signal processing device utilizing partial response maximum likelihood detection
04/22/2004US20040075601 Method and apparatus for split reference sampling
04/22/2004US20040075599 A/D converter calibration test sequence insertion
04/22/2004US20040075466 The trinary method for digital computing
04/22/2004US20040075461 Device for reconfiguring a faulty storage assembly
04/22/2004US20040075116 Transistor array and method of layout
04/22/2004DE10333486A1 Magnetischer Codegeber Magnetic encoder
04/22/2004DE10246268A1 Shaft encoder for machinery includes beam mask with coding bars in pit- and land form, having refraction and interference structure
04/22/2004DE10196233T5 Nachlauf- und Abschwächungs-Schaltung und Verfahren für DACs mit geschalteten Stromquellen Track and attenuation circuit and method for DACs with switched current sources
04/21/2004EP1410307A2 Integrated circuit for conditioning and conversion of bi-directional discrete and analog signals
04/21/2004EP1409964A1 Position encoder using statistically biased pseudorandom sequence
04/21/2004CN1490936A A-D converting circuit
04/21/2004CN1147207C Loudspeakers
04/20/2004US6725120 Apparatus and methods with resolution enhancement feature for improving accuracy of conversion of required chemical mechanical polishing pressure to force to be applied by polishing head to wafer
04/20/2004US6724338 Method and apparatus for early comparison with a constant delay circuit
04/20/2004US6724337 Method and device for analog digital converting a signal including a low-frequency component
04/20/2004US6724336 Segmented D/A converter with enhanced dynamic range
04/20/2004US6724333 Digital-to-analog converter
04/20/2004US6724331 Adaptive digital spectral compensation and calibration of analog components and transceiver chains
04/15/2004WO2004032332A1 System and method for an acquisition of data in a particular manner
04/15/2004WO2004032331A1 Digital to analog converter with integral intersymbol interference cancellation
04/15/2004WO2004032330A1 Pulse width modulation analog to digital conversion
04/15/2004US20040070917 Switched-capacitor structures with enhanced isolation
04/15/2004US20040070578 Electronic circuit, electro-optical device, and electronic apparatus
04/15/2004US20040070531 A/D conversion circuit and solid imaging device
04/15/2004US20040070530 Multi-stage analog-to-digital converter with pipeline structure and method for coding the same
04/15/2004US20040070529 Signal preconditioning for analog-to-digital conversion with timestamps
04/15/2004US20040070527 Method and circuit for linearizing nonlinear curves
04/15/2004US20040070436 PWM control circuit, microcomputer and electronic equipment
04/15/2004DE10296381T5 Wellenform-Ditigalisierungsvorrichtung vom A/D-Verschachtelungsumwandlungstyp Ditigalisierungsvorrichtung waveform from the A / D-Verschachtelungsumwandlungstyp
04/14/2004EP1408480A1 Da converting circuit, display using the same, and mobile terminal having the display
04/14/2004EP1408315A1 Photosensor
04/14/2004EP1407552A1 Apparatus and method for multi-channel digital to analog conversion of signals with different sample rates