Patents
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
01/2004
01/28/2004EP1385268A1 Digital-to-analog converter
01/28/2004EP1385139A2 Display device and its gamma correction method
01/28/2004EP1384326A2 Analogue to digital converter
01/28/2004EP1384314A2 Frequency conversion by undersampling
01/28/2004EP0874223B1 Interpolation circuit for encoder
01/28/2004CN1471701A DA converting circuit, display using the same, and mobile terminal having the display
01/28/2004CN1471235A A/D conversion method for serial-parallel A/D converter and serial-parallel A/D converter
01/28/2004CN1471234A Switching capacitor structure capable of reducing distortion and noise and increasing insulation
01/28/2004CN1136659C Method and device for data coding and decoding
01/28/2004CN1136658C Method and device to provide high-performance digital-to-analog conversion architecture
01/27/2004US6683554 Analog-to-digital conversion circuit having increased conversion speed and high conversion accuracy
01/27/2004US6683553 Mechanism for transmitting from a sensor assembly to an acquisition system a message that includes self-describing information
01/27/2004US6683552 Dual analog-to-digital converter system for increased dynamic range
01/27/2004US6683551 Digital-to-analog converter and method of operation
01/27/2004US6683550 High precision, high-speed signal capture
01/27/2004US6683549 Digital-to-analog converter
01/27/2004US6683543 Absolute encoder based on an incremental encoder
01/27/2004US6683345 Semiconductor device and method for making the device having an electrically modulated conduction channel
01/22/2004WO2004008317A2 Apparatus and method to reduce quantization error
01/22/2004WO2003052939A3 Sigma delta a/d converter with firdac converter
01/22/2004US20040015323 Position encoder using statistically biased pseudorandom sequence
01/22/2004US20040014439 Gain control device for packet signal receiver
01/22/2004US20040012513 Analog-to-digital conversion method and device
01/21/2004EP1383173A1 A layout and method of manufacture of a decoder for a digital-analog converter
01/21/2004EP1382123A2 Digital to analog converter.
01/21/2004EP1382122A2 High resolution adc based on an oversampled subranging adc
01/21/2004EP1382121A2 Method and system for adjusting a threshold control in an analog-to-digital converter
01/21/2004CN1135704C Floating-point analog-digital converter and method of analog-digital conventing for analog input signal
01/21/2004CN1135703C Digital-analog converter
01/20/2004US6681332 System and method to place a device in power down modes/states and restore back to first mode/state within user-controlled time window
01/20/2004US6680685 Chopper analog-to-digital converter with power saving mode
01/20/2004US6680681 High speed FIR transmitter
01/15/2004WO2004006439A1 Multi-bit delta-sigma analog-to-digital converter with error shaping
01/15/2004US20040008791 Apparatus and method to reduce quantization error
01/15/2004US20040008279 Apparatus and method for signal processing in digital video system
01/15/2004US20040008136 Single-chip massively parallel analog-to-digital coversion
01/15/2004US20040008135 Interleaving A/D conversion type waveform digitizer module and a test apparatus
01/15/2004US20040008134 Low voltage analog-to-digital converters with internal reference voltage and offset
01/15/2004US20040008133 High linearity digital-to-analog converter
01/15/2004US20040008132 Method and circuit for regulating the signal level fed to an analog-digital converter
01/15/2004DE10324906A1 Verfahren zum Initialisieren einer Position mit einem Kodierer A method for initializing a position with an encoder
01/15/2004DE10318184A1 Analog/Digital-Umwandlungsverfahren und -vorrichtung Analog / digital converting method and apparatus
01/14/2004EP1380113A2 Means for compensating a data-dependent supply current in an electronic circuit
01/14/2004EP1380112A2 Digital to analogue converter
01/14/2004CN1468433A Reconstruction of nonuniformly sampled bandlimited signals
01/14/2004CN1467999A Apparatus and method for signal processing in digital video system
01/14/2004CN1467916A A/d converter bias current circuit
01/14/2004CN1134893C Analog-digital converter
01/14/2004CN1134890C Digital filter and apparatus for reproducing sound using digital filter
01/13/2004US6678512 Receiver system using analog to digital conversion at radio frequency and method
01/13/2004US6678010 Method and apparatus for generating auto gain control signal having information storing feature
01/13/2004US6677880 Power consumption is reduced
01/13/2004US6677879 Method and circuit for folded analog-to-digital converter (ADC) using frequency detectors and time detectors
01/13/2004US6677878 Apparatus and method for analog signal processing for a microcontroller
01/13/2004US6677877 Comparator, analog-to-digital converter and method of analog-to-digital conversion using non-linear magneto-electronic device
01/13/2004US6677875 Sigma-delta analog-to-digital converter and method
01/13/2004US6677874 Analog-to-digital converter
01/13/2004US6677873 Oversampled centroid A to D converter
01/13/2004US6677872 Differential non-linearity correction scheme
01/13/2004US6677569 Methods and apparatus for performing signal processing functions in an electronic imager
01/08/2004WO2004004130A2 Improvements relating to time-interleaved samplers
01/08/2004WO2004004128A2 Electro-optical analog to digital converter
01/08/2004WO2003058820A3 Method for interpolating at least two position-dependent, periodic analog signals that are dephased relative each other
01/08/2004US20040005015 Method and system for a reduced emissions direct drive transmitter for unshielded twisted pair (UTP) applications
01/08/2004US20040004566 Digital/analog converter, display driver and display
01/08/2004US20040004511 DAC cell circuit
01/08/2004DE20313893U1 Analog/digital (A/D) converter for integrated electronic circuit on semiconductor chip converts analog input signal to proportional digital output signal, using reference frequency, several resistors, capacitor
01/07/2004EP1378063A2 Method and circuit for linearising non-linear curves
01/07/2004EP1378062A2 Feedback a/d- or d/a-converter with reduced current consumption
01/07/2004CN1134142C Digital GMSK filter
01/07/2004CN1134111C De-interleave circuit
01/06/2004US6674592 Demodulation method and demodulator
01/06/2004US6674549 Apparatus for capturing image
01/06/2004US6674389 Capacitive folding circuit for use in a folding/interpolating analog-to-digital converter
01/06/2004US6674388 High speed analog to digital converter
01/06/2004US6674387 Pulse width modulation analog to digital conversion
01/06/2004US6674386 Dual channel analog to digital converter
01/06/2004US6674385 Analog-to-digital conversion method and device, in high-density multilevel non-volatile memory devices
01/06/2004US6674382 Line driver structures that enhance driver performance
01/06/2004US6674380 Digital-phase to digital amplitude translator with first bit off priority coded output for input to unit weighed digital to analog converter
01/06/2004US6674327 Combined multiplexer and switched gain circuit
01/02/2004EP1376877A1 Pulse width modulator and pulse width modulation method
01/02/2004EP1376875A2 Digital signal conversion apparatus and method, and computer-readable recording medium in which a digital signal conversion program is recorded
01/02/2004EP1374434A1 Sampling method for a spread spectrum communication system
01/02/2004EP1374412A2 Canonical huffman encoded data decompression algorithm
01/02/2004EP1374408A1 Bubble handling a/d converter calibration
01/02/2004EP1374407A2 Methods and systems for dsp-based receivers
01/02/2004EP1374406A2 Method and apparatus for mismatch shaping of an oversampled converter
01/01/2004US20040001018 Analog-to-digital converter with digital signal processing functionality to emulate many different sample frequencies, resolutions, and architectures
01/01/2004US20040001017 Measuring skew between digitizer channels using fourier transform
01/01/2004US20040001016 Electro-optical analog to digital conversion method and device
01/01/2004US20040001015 Processing analog signals with respect to timing of related rotary parts
01/01/2004US20040001011 Digital signal conversion apparatus, digital signal conversion method, and computer-readable recording medium in which digital signal conversion program is recorded
01/01/2004US20040000899 Method and apparatus for testing analog to digital converters
12/2003
12/31/2003WO2004002042A2 System for digitizing transient signals
12/31/2003WO2004001763A1 Sample and hold circuit
12/31/2003WO2003021790A3 Error optimization in digital to analog conversion
12/31/2003CN1465103A Analog, digital mixed integrated circuit
12/31/2003CN1133272C High-speed high-precision step A/D converter for fuzzy logic processing
12/31/2003CA2485614A1 System for digitizing transient signals