ClassID:

222459

H03M1/808 - CPC Classification

Classification description:

Analogue/digital conversion; Digital/analogue conversion; Digital/analogue converters; Simultaneous conversion using weighted impedances using resistors

Recent Application in this class:
#1
20260058670
2026-02-26

Multiplying Digital-to-Analog Converter

#2
20250392323
2025-12-25

APPARATUS AND METHOD FOR CONVERTING DIGITAL SIGNAL INTO ANALOG SIGNAL

#3
20250392319
2025-12-25

DIGITAL-TO-ANALOG CONVERTER (DAC)

#4
20250373261
2025-12-04

DIGITAL-TO-ANALOG CONVERSION CIRCUIT AND DISPLAY DEVICE

#5
20250365003
2025-11-27

RESISTOR ARRAY CIRCUIT, DIGITAL-TO-ANALOG CONVERTER CIRCUIT AND LAYOUT METHOD OF THE SAME

#6
20250286562
2025-09-11

MICROCONTROLLER INCLUDING A DIGITAL POTENTIOMETER

#7
20250047293
2025-02-06

FORCE SENSING SYSTEMS

#8
20240187018
2024-06-06

Digital-to-analog converter

#9
20240162915
2024-05-16

Force sensing systems

#10
20240113727
2024-04-04

DIGITAL-TO-ANALOG CONVERTERS WITH TRIODE SWITCHES

#11
20230238973
2023-07-27

Digital-to-analog converter with digitally controlled trim

#12
20230238972
2023-07-27

Digital-to-analog converter with digitally controlled trim

#13
20230208426
2023-06-29

System and method for digital-to-analog converter with switched resistor networks

#14
20230155604
2023-05-18

Single-ended analog signal receiver apparatus

#15
20220416806
2022-12-29

Circuitry for digital-to-analog conversion, differential systems and digital-to-analog converter

#16
20220407521
2022-12-22

Signal generation circuit, micro-controller, and control method thereof

#17
20220345148
2022-10-27

Digital-to-analog converter, digital-to-analog conversion system, electronic system, base station and mobile device

#18
20220271772
2022-08-25

Digital-to-analog conversion circuit

#19
20220209787
2022-06-30

MEASURING SYSTEM

#20
20220094367
2022-03-24

Digital-to-analog converter system

#21
20210184692
2021-06-17

Digital to analog converters

#22
20210181044
2021-06-17

Force sensing systems

#23
20210143834
2021-05-13

Reconfigurable DAC implemented by memristor based neural network

#24
20210099185
2021-04-01

Constant current digital to analog converter systems and methods

#25
20210075433
2021-03-11

Digital-to-analog converter system

#26
20200410334
2020-12-31

BINARY WEIGHTED VOLTAGE ENCODING SCHEME FOR SUPPORTING MULTI-BIT INPUT PRECISION

#27
20200373937
2020-11-26

Correction of a value of a passive component

#28
20200287561
2020-09-10

Forcing and sensing DACs sharing reference voltage

#29
20200287558
2020-09-10

ADC output drift correction techniques

#30
20200212929
2020-07-02

RFDAC (RF (Radio Frequency) DAC (Digital-to-Analog Converter)) with improved efficiency and output power

#31
20200203045
2020-06-25

Voltage-divider circuits and circuitry

#32
20200184917
2020-06-11

Display driver, electro-optical device, and electronic apparatus

#33
20200184916
2020-06-11

Display driver, electro-optical device, and electronic apparatus

#34
20200162088
2020-05-21

Device, System and Method for Digital-to-Analogue Conversion

#35
20200099406
2020-03-26

Pseudo differential receiving mechanism for single-ended signaling

#36
20190305789
2019-10-03

System and method for digital-to-analog converter with switched resistor networks

#37
20190094900
2019-03-28

Apparatuses and methods for providing reference voltages

#38
20190033905
2019-01-31

Apparatuses and methods for providing reference voltages

#39
20180323798
2018-11-08

Digital-to-analog converter (DAC) termination

#40
20180226981
2018-08-09

Successive approximation digital voltage regulation methods, devices and systems

#41
20180226878
2018-08-09

Noise reduction in a voltage converter

#42
20180218772
2018-08-02

Circuit and method for configurable impedance array

#43
20170134038
2017-05-11

Switched memristor analog-to-digital conversion

#44
20170131731
2017-05-11

Semiconductor device

#45
20170090048
2017-03-30

Digital-analogue converter for multi-threshold counters with partitioning of the bits between resistor ladder and comparator

#46
20170041018
2017-02-09

Digital to analog converter with output impedance compensation

#47
20160253939
2016-09-01

Digital-to-analog converter, programmable gamma correction buffer circuit and display apparatus

#48
20160241216
2016-08-18

Multi-bit cell attenuator

#49
20160149583
2016-05-26

Method of calibrating a SAR A/D converter and SAR-A/D converter implementing said method

#50
20150358015
2015-12-10

Constant impedance switch

#51
20140347202
2014-11-27

Dual-string digital-to-analog converters (DACs), and related circuits, systems, and methods

#52
20140340150
2014-11-20

Transconductance circuit and a current digital to analog converter using such transconductance circuits

#53
20140266835
2014-09-18

Dual-string digital-to-analog converters (DACs), and related circuits, systems, and methods

#54
20140002214
2014-01-02

Multi-bit cell attenuator

#55
20130271305
2013-10-17

Resistor-based Σ-ΔDAC

#56
20130169461
2013-07-04

Digital to-analog converter circuitry with weighted resistance elements

#57
20130135032
2013-05-30

Semiconductor device and method of forming same for temperature compensating active resistance

#58
20130120176
2013-05-16

Resistive digital-to-analog conversion

#59
20130043962
2013-02-21

Digital step attenuator utilizing thermometer encoded multi-bit attenuator stages

#60
20130015995
2013-01-17

Impedance network for producing a weighted sum of inputs

#61
20120306671
2012-12-06

Measurement method and apparatus for ADC calibration

#62
20120249350
2012-10-04

Reference current compensation circuit for D/A converter

#63
20120194374
2012-08-02

Digital to analog converter

#64
20120133538
2012-05-31

Resistor devices and digital-to-analog converters using the same

#65
20120050084
2012-03-01

DIGITAL TO ANALOG CONVERTERS HAVING CIRCUIT ARCHITECTURES TO OVERCOME SWITCH LOSSES

#66
20120050080
2012-03-01

Linearity correction circuit for voltage mode DAC

#67
20120013492
2012-01-19

Programmable linearity correction circuit for digital-to-analog converter

#68
20110241920
2011-10-06

RESISTANCE-TYPE DIGITAL-TO-ANALOG CONVERTER

#69
20110169990
2011-07-14

CURRENT GENERATION CIRCUIT, AND SINGLE-SLOPE ADC AND CAMERA USING THE SAME

#70
20110156942
2011-06-30

Reduced area digital-to-analog converter

#71
20100315277
2010-12-16

Digital to analog converters having circuit architectures to overcome switch losses

#72
20100225510
2010-09-09

Correction circuit for D/A converter

#73
20100149014
2010-06-17

SEMICONDUCTOR INTEGRATED CIRCUIT

#74
20100097253
2010-04-22

Low power linear interpolation digital-to-analog conversion

#75
20100079325
2010-04-01

Data conversion circuitry for converting analog signals to digital signals and vice-versa and method therefor

#76
20100052963
2010-03-04

Digital-to-analog converter

#77
20100039304
2010-02-18

Digital to analog converter and method thereof

#78
20090309776
2009-12-17

D/A converter and reference voltage circuit including same

#79
20090167574
2009-07-02

Amplifier gain control circuit for the wireless transceiver

#80
20090079609
2009-03-26

Digital-to-analog converter

#81
20090058458
2009-03-05

Digital-to-analog converting circuit and apparatus for on-die termination using the same

#82
20080224773
2008-09-18

Digital input class-D amplifier

#83
20080186215
2008-08-07

Systems and methods for providing compact digitally controlled trim of multi-segment circuits

#84
20080158028
2008-07-03

Signal converting apparatus with built-in self test

#85
20080135831
2008-06-12

Optoelectronic circuit employing a heterojunction thyristor device to convert a digital optical signal to a digital electrical signal

#86
20080055140
2008-03-06

Semiconductor device having D/A conversion portion

#87
20070120719
2007-05-31

Methods and apparatus for multiplexed digital inputs using an analog-to-digital converter

#88
20070090875
2007-04-26

Feedback circuit for an operational amplifier, a current to voltage converter including such a circuit and a digital to analog converter including such a circuit

#89
20060245266
2006-11-02

Semiconductor device having memory cells implemented with bipolar-transistor-antifuses operating in a first and second mode

#90
20060244645
2006-11-02

Programmable voltage-output floating-gate digital to analog converter and tunable resistors

#91
20060141682
2006-06-29

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

#92
20060141651
2006-06-29

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

#93
20060066464
2006-03-30

Analog-to-digital converter for programmable logic

#94
20060012502
2006-01-19

Digital-to-analog converter and the driving method thereof

#95
20050145882
2005-07-07

Semiconductor devices employing at least one modulation doped quantum well structure and one or more etch stop layers for accurate contact formation

#96
20050030114
2005-02-10

Analog implementation of spread spectrum frequency modulation in a programmable phase locked loop (PLL) system

#97
16809558
2020-10-27

Voltage mode signal transmitter

#98
16354542
2020-06-30

Voltage-mode DAC driver with programmable mode output units

#99
16354525
2020-07-14

Voltage-mode DAC driver with parallel output resistance tuning

#100
16233501
2019-08-27

RFDAC (RF (radio frequency) DAC (digital-to-analog converter)) with improved efficiency and output power

#101
16208724
2019-10-29

Digital-to-analog converter (DAC) design with reduced settling time

#102
15663149
2018-05-15

Resistor string digital to analog converter

#103
14789705
2016-08-02

Digital to analog converter

#104
14730095
2016-08-23

Generating comparator thresholds using a rotating ring of resistors

#105
14719931
2016-03-01

Trim-matched segmented digital-to-analog converter apparatus, systems and methods

#106
13841718
2014-11-11

Systems and methods for generating low band frequency sine waves