Ring oscillator-based analog-to-digital converter
US-2020412376-A1 · Dec 31, 2020 · US
characterised by the order of the loop filter, e.g. error feedback type
characterised by the order of the loop filter, e.g. error feedback 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 | H03M3/436 |
| Official title | {characterised by the order of the loop filter, e.g. error feedback type} |
| Display label | characterised by the order of the loop filter, e.g. error feedback type |
| Total patents | 113 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 10 |
| 2017 | 11 |
| 2018 | 13 |
| 2019 | 14 |
| 2020 | 11 |
| 2021 | 8 |
| 2022 | 9 |
| 2023 | 10 |
| 2024 | 12 |
| 2025 | 5 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sigma-delta analog-to-digital converter circuit with correction for mismatch error introduced by the feedback digital-to-analog converter
US-2020389180-A1 · Dec 10, 2020 · US
Signal processor
US-10784890-B1 · Sep 22, 2020 · US
Increased noise performance using quantizer code suppression
US-10727860-B1 · Jul 28, 2020 · US
Sigma-delta analog-to-digital converter capable of reducing idle tones while alternately conducting signal conversion and comparator offset calibration
US-2020235749-A1 · Jul 23, 2020 · US
Methods and circuits for suppressing quantization noise in digital-to-analog converters
US-2020083900-A1 · Mar 12, 2020 · US
A/D converter and sensor apparatus including the same
US-10523227-B2 · Dec 31, 2019 · US
Continuous-time delta-sigma modulator
US-2019386676-A1 · Dec 19, 2019 · US
Loop filter initialization technique
US-10511323-B1 · Dec 17, 2019 · US
Continuous-time delta-sigma modulator
US-10491237-B1 · Nov 26, 2019 · US
Delta modulator with variable feedback gain, analog-to-digital converter including the delta modulator, and communication device including the delta modulator
US-10439636-B2 · Oct 8, 2019 · US
Interleaving quantizer in continuous-time delta-sigma modulator for quantization level increment
US-10374626-B2 · Aug 6, 2019 · US
Analog-to-digital converter capable of generate digital output signal having different bits
US-2019238151-A1 · Aug 1, 2019 · US
Digital controller for a MEMS gyroscope
US-10365104-B2 · Jul 30, 2019 · US
Multiplexed sigma-delta analog-to-digital converter
US-10355709-B1 · Jul 16, 2019 · US
Programmable digital sigma delta modulator
US-10348310-B1 · Jul 9, 2019 · US
Interleaving quantizer in continuous-time delta-sigma modulator for quantization level increment
US-2019158111-A1 · May 23, 2019 · US
Audio analog-to-digital converter systems and methods
US-10298245-B1 · May 21, 2019 · US
A/d converter and sensor apparatus including the same
US-2019044527-A1 · Feb 7, 2019 · US
Delta modulator with variable feedback gain, analog-to-digital converter including the delta modulator, and communication device including the delta modulator
US-2019007057-A1 · Jan 3, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03M3/436?
- CPC H03M3/436 is the Cooperative Patent Classification code for “characterised by the order of the loop filter, e.g. error feedback type.”
- How many patents are filed under CPC H03M3/436 (characterised by the order of the loop filter, e.g. error feedback type)?
- Our database includes 113 publications tagged with this CPC code.
- Is patent activity under CPC H03M3/436 growing?
- Publication counts under this code: 12 in 2024 vs 5 in 2025 (latest complete years).