Delta-sigma modulation type a/d converter
US-2023208435-A1 · Jun 29, 2023 · US
Offset or drift compensation (removal of offset already present on the analogue input signal H03M3/494)
Offset or drift compensation (removal of offset already present on the analogue input signal H03M3/494) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03M3/356 |
| Official title | {Offset or drift compensation (removal of offset already present on the analogue input signal H03M3/494)} |
| Display label | Offset or drift compensation (removal of offset already present on the analogue input signal H03M3/494) |
| Total patents | 80 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 11 |
| 2017 | 6 |
| 2018 | 2 |
| 2019 | 13 |
| 2020 | 11 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 10 |
| 2024 | 4 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Programmable gain amplifier and a delta sigma analog-to-digital converter containing the PGA
US-11522554-B2 · Dec 6, 2022 · US
Differential delta-sigma modulator for a hearing aid
US-2022345151-A1 · Oct 27, 2022 · US
System-level chopping in coulomb counter circuit
US-2022263520-A1 · Aug 18, 2022 · US
Converter circuit, corresponding device and offset compensation method
US-11368165-B2 · Jun 21, 2022 · US
Analog-digital converter apparatus, sensor system and method for analog-digital conversion
US-2022173750-A1 · Jun 2, 2022 · US
Sigma delta modulator, integrated circuit and method therefor
US-11271585-B2 · Mar 8, 2022 · US
Converter circuit, corresponding device and offset compensation method
US-2021314000-A1 · Oct 7, 2021 · US
Offset compensation in ADC circuitry
US-11038522-B1 · Jun 15, 2021 · US
Sigma-delta analog-to-digital converter
US-10998917-B1 · May 4, 2021 · US
Sigma delta modulator, integrated circuit and method therefor
US-2021126648-A1 · Apr 29, 2021 · US
Time-efficient offset cancellation for multi-stage converters
US-10868554-B1 · Dec 15, 2020 · US
Programmable gain amplifier and a delta sigma analog-to-digital converter containing the pga
US-2020389178-A1 · Dec 10, 2020 · US
Apparatus for overload recovery of an integrator in a sigma-delta modulator
US-10749544-B2 · Aug 18, 2020 · US
Switching scheme for low offset switched-capacitor integrators
US-10733391-B1 · Aug 4, 2020 · US
D/A conversion circuit, quantization circuit, and A/D conversion circuit
US-10735016-B2 · Aug 4, 2020 · US
Programmable gain amplifier and a delta sigma analog-to-digital converter containing the PGA
US-10720937-B2 · Jul 21, 2020 · US
Apparatus and method for reducing offsets and 1/f noise
US-10690730-B2 · Jun 23, 2020 · US
Apparatus for overload recovery of an integrator in a sigma-delta modulator
US-10680637-B2 · Jun 9, 2020 · US
D/a conversion circuit, quantization circuit, and a/d conversion circuit
US-2020112318-A1 · Apr 9, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03M3/356?
- CPC H03M3/356 is the Cooperative Patent Classification code for “Offset or drift compensation (removal of offset already present on the analogue input signal H03M3/494).”
- How many patents are filed under CPC H03M3/356 (Offset or drift compensation (removal of offset already present on the analogue input signal H03M3/494))?
- Our database includes 80 publications tagged with this CPC code.
- Is patent activity under CPC H03M3/356 growing?
- Publication counts under this code: 4 in 2024 vs 7 in 2025 (latest complete years).