Nested delta-sigma analog-to-digital conversion system and method
US-12456989-B2 · Oct 28, 2025 · US
in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values
in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03M3/49 |
| Official title | {in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values} |
| Display label | in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values |
| Total patents | 61 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Continuous-time delta-sigma analog-to-digital converter with duty-cycle-controlled input path
US-2025317152-A1 · Oct 9, 2025 · US
Duty-cycle and stray capacitance insensitive switched-capacitor current source
US-2025246998-A1 · Jul 31, 2025 · US
Analog-to-digital converter circuit and method and device using the same
US-2025219646-A1 · Jul 3, 2025 · US
Reference voltage compensation for delta-sigma analog-to-digital converter
US-2025125818-A1 · Apr 17, 2025 · US
Radio frequency receiver system
US-12253584-B2 · Mar 18, 2025 · US
Nested delta-sigma analog-to-digital conversion system and method
US-2024178859-A1 · May 30, 2024 · US
Analog-to-digital conversion circuit and current measurement circuit
US-2024128981-A1 · Apr 18, 2024 · US
Sigma-delta analog-to-digital converter
US-11962331-B2 · Apr 16, 2024 · US
Glitch-free zero-latency agc for sigma delta modulator
US-2024022258-A1 · Jan 18, 2024 · US
Analog-to-digital conversion circuit
US-2024007128-A1 · Jan 4, 2024 · US
Sigma-delta analog-to-digital converter and sensor arrangements including the same
US-11855660-B2 · Dec 26, 2023 · US
Radio frequency receiver system
US-2023375646-A1 · Nov 23, 2023 · US
Digital filter
US-11706062-B1 · Jul 18, 2023 · US
Sigma-delta analog-to-digital converter
US-2023038361-A1 · Feb 9, 2023 · US
Microphone assembly with digital feedback loop
US-11323805-B2 · May 3, 2022 · US
Analog-to-digital converter and method to operate an analog-to-digital converter
US-11258455-B2 · Feb 22, 2022 · US
Method for fast detection and automatic gain adjustment in ADC based signal
US-11251805-B2 · Feb 15, 2022 · US
Sigma-Delta Analog-to-Digital Converter and Sensor Arrangements Including the Same
US-2021409036-A1 · Dec 30, 2021 · US
Method for fast detection and automatic gain adjustment in adc based signal
US-2021409034-A1 · Dec 30, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03M3/49?
- CPC H03M3/49 is the Cooperative Patent Classification code for “in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values.”
- How many patents are filed under CPC H03M3/49 (in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values)?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC H03M3/49 growing?
- Publication counts under this code: 5 in 2024 vs 7 in 2025 (latest complete years).