Methods and apparatus for an analog-to-digital converter
US-10868563-B2 · Dec 15, 2020 · US
having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type
having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03M3/414 |
| Official title | {having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type} |
| Display label | having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type |
| Total patents | 134 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 7 |
| 2017 | 15 |
| 2018 | 10 |
| 2019 | 10 |
| 2020 | 18 |
| 2021 | 14 |
| 2022 | 11 |
| 2023 | 16 |
| 2024 | 12 |
| 2025 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Suppression of noise of delta-sigma modulators
US-10840940-B2 · Nov 17, 2020 · US
Ad conversion circuit
US-2020304137-A1 · Sep 24, 2020 · US
Methods and apparatus for an analog-to-digital converter
US-2020295777-A1 · Sep 17, 2020 · US
Methods and circuits for suppressing quantization noise in digital-to-analog converters
US-2020083900-A1 · Mar 12, 2020 · US
Analog-digital converter, solid-state image sensing device, and electronic system
US-2020059240-A1 · Feb 20, 2020 · US
Analog-to-digital converter
US-10554219-B2 · Feb 4, 2020 · US
Electronic circuit for a microphone and microphone
US-10516942-B2 · Dec 24, 2019 · US
Analog-to-digital converter
US-2019312584-A1 · Oct 10, 2019 · US
Random bit stream generator and method thereof
US-2019243612-A1 · Aug 8, 2019 · US
Digital silicon microphone with interpolation
US-10348326-B2 · Jul 9, 2019 · US
Quantization noise cancellation in a feedback loop
US-10327659-B2 · Jun 25, 2019 · US
Time-to-digital converter
US-10303124-B2 · May 28, 2019 · US
Digital Silicon Microphone with Interpolation
US-2019123762-A1 · Apr 25, 2019 · US
Electronic Circuit for a Microphone and Microphone
US-2019082258-A1 · Mar 14, 2019 · US
Blocker tolerance in continuous-time residue generating analog-to-digital converters
US-10187075-B1 · Jan 22, 2019 · US
Oversampled continuous-time pipeline ADC with voltage-mode summation
US-10171102-B1 · Jan 1, 2019 · US
Delta-sigma modulator, analog-to-digital converter and associated signal conversion method based on multi stage noise shaping structure
US-10141948-B2 · Nov 27, 2018 · US
Analog/digital converter and milimeter wave radar system
US-2018302102-A1 · Oct 18, 2018 · US
Analog-to-digital converter and control method thereof
US-10103743-B1 · Oct 16, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03M3/414?
- CPC H03M3/414 is the Cooperative Patent Classification code for “having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type.”
- How many patents are filed under CPC H03M3/414 (having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type)?
- Our database includes 134 publications tagged with this CPC code.
- Is patent activity under CPC H03M3/414 growing?
- Publication counts under this code: 12 in 2024 vs 10 in 2025 (latest complete years).