ClassID:

222562

H03M3/502 - CPC Classification

Classification description:

Conversion of analogue values to or from differential modulation; Delta-sigma modulation; Digital/analogue converters using delta-sigma modulation as an intermediate step Details of the final digital/analogue conversion following the digital delta-sigma modulation

Sub-classes:
Recent Application in this class:
#1
20260012190
2026-01-08

CHARGE OUTPUT SENSORS AND RELATED DEVICES AND METHODS

#2
20230283291
2023-09-07

ADC FOR CHARGE OUTPUT SENSORS

#3
20230231572
2023-07-20

Semiconductor device

#4
20230006687
2023-01-05

Signal generation apparatus and linearity correction method thereof

#5
20210050863
2021-02-18

Radio frequency bandpass delta-sigma analog-to-digital converters and related methods

#6
20210021279
2021-01-21

Time-interleaved digital-to-analog converter with time-domain dynamic element matching and associated method

#7
20200304138
2020-09-24

Segmented digital-to-analog converter

#8
20200076448
2020-03-05

Radio frequency bandpass delta-sigma analog-to-digital converters and related methods

#9
20190238373
2019-08-01

Space-time oversampling and error shaping for coarsely quantized arrays

#10
20190238152
2019-08-01

Apparatuses and methods for sample rate conversion

#11
20190229748
2019-07-25

Circuit and method for digital-to-analog conversion using three-level cells

#12
20190190534
2019-06-20

Quantizer including capacitors and operating method of quantizer

#13
20190181879
2019-06-13

Segmented digital-to-analog converter

#14
20190165820
2019-05-30

Interleaved sigma delta modulator based SDR transmitter

#15
20190097609
2019-03-28

Five-level switched-capacitance DAC using bootstrapped switches

#16
20190094340
2019-03-28

High speed illumination driver for TOF applications

#17
20180375525
2018-12-27

Segmented digital-to-analog converter

#18
20180287627
2018-10-04

Device for generating analogue signals and associated use

#19
20180205352
2018-07-19

Amplifiers with delta-sigma modulators using pulse-density modulations and related processes

#20
20170077944
2017-03-16

Conversion of a discrete-time quantized signal into a continuous-time, continuously variable signal

#21
20160365867
2016-12-15

Apparatus for correcting linearity of a digital-to-analog converter

#22
20160341819
2016-11-24

High speed illumination driver for TOF applications

#23
20160315648
2016-10-27

High oversampling ratio dynamic element matching scheme for high dynamic range digital to RF data conversion for radio communication systems

#24
20160248432
2016-08-25

Error-feedback digital-to-analog converter (DAC)

#25
20160126973
2016-05-05

Current type D/A converter, delta sigma modulator, and communications device

#26
20160118997
2016-04-28

Signal conversion method, signal transmission method, signal conversion device, and transmitter

#27
20160056836
2016-02-25

Digital-analog converter and digital-analog conversion device executing digital-analog conversion after delta sigma

#28
20160036459
2016-02-04

Selection device

#29
20150372699
2015-12-24

High oversampling ratio dynamic element matching scheme for high dynamic range digital to RF data conversion for cellular communications

#30
20150372698
2015-12-24

Software programmable cellular radio architecture for telematics and infotainment

#31
20150280735
2015-10-01

ΔΣ D/A converter, signal processing circuit including the same, and electronic apparatus

#32
20150280732
2015-10-01

Communication unit, digital band-pass sigma-delta modulator and method therefor

#33
20150171891
2015-06-18

Tri-level digital-to-analog converter

#34
20150015427
2015-01-15

Signal conversion method, signal transmission method, signal conversion device, and transmitter

#35
20140375488
2014-12-25

Tri-level digital-to-analog converter

#36
20140167994
2014-06-19

Digital-to-analog converter

#37
20130311412
2013-11-21

Encoding and decoding machine with recurrent neural networks

#38
20130271305
2013-10-17

Resistor-based Σ-ΔDAC

#39
20130088293
2013-04-11

Method and apparatus for programmable gain control useful with digital to analog converter

#40
20130058382
2013-03-07

Mismatch shaping for DAC

#41
20130044018
2013-02-21

Method and circuit for continuous-time delta-sigma DAC with reduced noise

#42
20120242521
2012-09-27

Method and circuit for continuous-time delta-sigma DAC with reduced noise

#43
20120086591
2012-04-12

Area efficient selector circuit

#44
20120057727
2012-03-08

Selection device

#45
20110270427
2011-11-03

DIGITAL/ANALOG CONVERTOR AND DIGITAL AUDIO PROCESSING CIRCUIT ADOPTING THE SAME

#46
20110267210
2011-11-03

Shaping inter-symbol-interference in sigma delta converter

#47
20110227629
2011-09-22

Dynamic element matching method and system thereof

#48
20110140942
2011-06-16

Conversion of a discrete time quantized signal into a continuous time, continuously variable signal

#49
20110074613
2011-03-31

Multiple-bit, digital-to-analog converters and conversion methods

#50
20110069840
2011-03-24

Digital to analog converter system and method with multi-level scrambling

#51
20110050467
2011-03-03

Noise-shaped scrambler for reduced out-of-band common-mode interference

#52
20110025539
2011-02-03

Continuous-time image-reject filter with discrete-time feedback

#53
20110025538
2011-02-03

Digital-to-analog converters and methods thereof

#54
20110018753
2011-01-27

Noise-shaped segmented digital-to-analog converter

#55
20110002264
2011-01-06

Apparatus and methods for digital-to-analog conversion with vector quantization

#56
20100315274
2010-12-16

Current-mode sigma-delta digital-to-analog converter

#57
20100303101
2010-12-02

Real-time time encoding and decoding machines

#58
20100295715
2010-11-25

Jitter insensitive sigma-delta modulator

#59
20100245142
2010-09-30

Tri-level dynamic element matcher allowing reduced reference loading and DAC element reduction

#60
20100219908
2010-09-02

DIGITAL TO ANALOG CONVERTING METHOD AND DIGITAL TO ANALOG CONVERTOR UTILIZING THE SAME

#61
20100164933
2010-07-01

LCD SOURCE DRIVER

#62
20100164776
2010-07-01

SOURCE DRIVER IN DISPLAY

#63
20100149012
2010-06-17

System and method for area-efficient three-level dynamic element matching

#64
20100066455
2010-03-18

Sigma delta digital to analog converter with wide output range and improved linearity

#65
20100026541
2010-02-04

D-A converter and D-A converting method

#66
20090243904
2009-10-01

Randomized thermometer-coding digital-to-analog converter and method therefor

#67
20090224953
2009-09-10

Apparatus and method for dynamic circuit element selection in an digital-to-analog converter

#68
20090135036
2009-05-28

Differential current-mode translator in a sigma-delta digital-to-analog converter

#69
20090121909
2009-05-14

Dynamic element-matching method, multi-bit DAC using the method, and delta-sigma modulator and delta-sigma DAC including the multi-bit DAC

#70
20090110102
2009-04-30

SIGNAL ROUTING METHOD

#71
20090085783
2009-04-02

Multi-bit data converter using data weight averaging

#72
20090066552
2009-03-12

Digital to analog converter circuits and methods of operation thereof

#73
20090040087
2009-02-12

Data weighted average circuit and dynamic element matching method

#74
20090040086
2009-02-12

DWA structure and method thereof, digital-to-analog signal conversion method and signal routing method

#75
20090009375
2009-01-08

Low power, low noise digital-to-analog converter reference circuit

#76
20080316076
2008-12-25

Direct RF D-to-A conversion

#77
20080272948
2008-11-06

Circuit and method for dynamically selecting circuit elements

#78
20080224908
2008-09-18

Mixer/DAC chip and method

#79
20080180292
2008-07-31

Digital-to-analog converter with dynamic element matching to minimize mismatch error

#80
20080175333
2008-07-24

Method and system for digital to analog conversion for power amplifier driver amplitude modulation

#81
20080143572
2008-06-19

Digital-to-analog converter using selected single bit converter elements

#82
20080106447
2008-05-08

Digital to analogue conversion

#83
20080079615
2008-04-03

Multi-bit data converter using data weight averaging

#84
20080030389
2008-02-07

Digital to analog converter and conversion method

#85
20070279271
2007-12-06

Weight level generating method and device utilizing plural weights at different time rates

#86
20070279268
2007-12-06

Digital-to-analog converter

#87
20070268168
2007-11-22

Method and system for digital to analog conversion for power amplifier driver amplitude modulation

#88
20070252743
2007-11-01

Dynamic element matching method and device

#89
20070236377
2007-10-11

DIGITAL-TO-ANALOG CONVERTER

#90
20070159370
2007-07-12

Architecture combining a continuous-time stage with a switched-capacitor stage for digital-to-analog converters and low-pass filters

#91
20070152857
2007-07-05

Delta-Sigma DAC

#92
20070122048
2007-05-31

Vector quantizer based on N-dimensional spatial dichotomy

#93
20070046523
2007-03-01

Reference voltage generating circuit

#94
20070046518
2007-03-01

Digital-analog converter and digital-analog conversion method

#95
20070040720
2007-02-22

Method of matching dynamic elements and multi-bit data converter

#96
20070024480
2007-02-01

Digital/analog converter and method for digital/analog conversion of a signal

#97
20070018869
2007-01-25

Linearization circuit with digital element matching for digital-to-analog converters

#98
20060255992
2006-11-16

Multibit ΔΣ modulation DA converter

#99
20060232457
2006-10-19

Switching amplifier

#100
20060192703
2006-08-31

Method and related apparatus for digital-analog conversion

#101
20060139193
2006-06-29

Continuous-time-sigma-delta DAC using chopper stabalization

#102
20060007027
2006-01-12

Digital encoder and digital-to-analog converter using same

#103
20050270193
2005-12-08

Digital-to-analog converter using a frequency hopping clock generator

#104
20050164657
2005-07-28

System and method for simplifying analog processing in a transmitter incorporating a randomization circuit

#105
20050146454
2005-07-07

State-delayed technique and system to remove tones of dynamic element matching

#106
20050134492
2005-06-23

Hardware-efficient implementation of dynamic element matching in sigma-delta DAC's

#107
20050122245
2005-06-09

Digital-to-analogue converter circuits

#108
20050078023
2005-04-14

Analog signal outputting circuit and multi-level delta-sigma modulator employing the analog signal outputting circuit

#109
20050040979
2005-02-24

Computer program product for performing digital-to-analog conversion

#110
16987425
2021-11-02

Image processing system for a digital display

#111
16735031
2020-11-17

System and method for improving matching in a signal converter

#112
16542602
2020-06-23

Adaptive toggle number compensation for reducing data dependent supply noise in digital-to-analog converters

#113
15869757
2019-02-05

Adaptive dynamic element matching of circuit components

#114
15790986
2018-07-10

Segmented digital-to-analog converter

#115
15185378
2017-06-13

Fractional divider using a calibrated digital-to-time converter