System comprising ¿s type analog/digital converter capable of reducing quantization error
US-2025192795-A1 · Jun 12, 2025 · US
having multiple quantisers arranged in parallel loops
having multiple quantisers arranged in parallel loops · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03M3/42 |
| Official title | {having multiple quantisers arranged in parallel loops} |
| Display label | having multiple quantisers arranged in parallel loops |
| Total patents | 54 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 11 |
| 2020 | 10 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Delta-sigma modulation apparatus and delta-sigma modulation method
US-2025158636-A1 · May 15, 2025 · US
Circuitry comprising a loop filter
US-2024429929-A1 · Dec 26, 2024 · US
Current to digital converter circuit, optical front end circuit, computed tomography apparatus and method
US-11876539-B2 · Jan 16, 2024 · US
Systems and methods for delta-sigma digitization
US-11863232-B2 · Jan 2, 2024 · US
D/A conversion device, method, storage medium, electronic musical instrument, and information processing apparatus
US-11764803-B2 · Sep 19, 2023 · US
Systems and methods for delta-sigma digitization
US-11695599-B1 · Jul 4, 2023 · US
Techniques to reduce quantization noise in delta sigma converters
US-2023060505-A1 · Mar 2, 2023 · US
Current to digital converter circuit, optical front end circuit, computed tomography apparatus and method
US-2022329256-A1 · Oct 13, 2022 · US
D/a conversion device, method, storage medium, electronic musical instrument, and information processing apparatus
US-2022224351-A1 · Jul 14, 2022 · US
Systems and methods for delta-sigma digitization
US-2022158732-A1 · May 19, 2022 · US
D/A conversion device, method, storage medium, electronic musical instrument, and information processing apparatus
US-11316529-B2 · Apr 26, 2022 · US
Systems and methods for delta-sigma digitization
US-11239916-B2 · Feb 1, 2022 · US
A/D conversion device
US-11070226-B2 · Jul 20, 2021 · US
Systems and methods for delta-sigma digitization
US-10972321-B2 · Apr 6, 2021 · US
A/d conversion device
US-2021075438-A1 · Mar 11, 2021 · US
Systems and methods for delta-sigma digitization
US-2020374009-A1 · Nov 26, 2020 · US
Methods and circuits for suppressing quantization noise in digital-to-analog converters
US-10833697-B2 · Nov 10, 2020 · US
Systems and methods for delta-sigma digitization
US-2020274743-A1 · Aug 27, 2020 · US
Systems and methods for delta-sigma digitization
US-10742321-B2 · Aug 11, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03M3/42?
- CPC H03M3/42 is the Cooperative Patent Classification code for “having multiple quantisers arranged in parallel loops.”
- How many patents are filed under CPC H03M3/42 (having multiple quantisers arranged in parallel loops)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC H03M3/42 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).