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
of noise other than the quantisation noise already being shaped inherently by delta-sigma modulators
of noise other than the quantisation noise already being shaped inherently by delta-sigma modulators · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03M3/368 |
| Official title | {of noise other than the quantisation noise already being shaped inherently by delta-sigma modulators} |
| Display label | of noise other than the quantisation noise already being shaped inherently by delta-sigma modulators |
| Total patents | 160 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 20 |
| 2017 | 12 |
| 2018 | 12 |
| 2019 | 12 |
| 2020 | 14 |
| 2021 | 10 |
| 2022 | 17 |
| 2023 | 21 |
| 2024 | 13 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
ADC with capacitive difference circuit and digital sigma-delta feedback
US-10135459-B2 · Nov 20, 2018 · US
Noise shaping circuit and sigma-delta digital-to-analog converter
US-10084474-B1 · Sep 25, 2018 · US
Circuits and methods for inter-symbol interference compensation
US-10075180-B2 · Sep 11, 2018 · US
Analog/digital conversion with analog filtering
US-10056916-B2 · Aug 21, 2018 · US
Circuits and methods for inter-symbol interference compensation
US-2018212617-A1 · Jul 26, 2018 · US
Synchronized charge pump-driven input buffer and method
US-9973079-B2 · May 15, 2018 · US
Adc with capacitive difference circuit and digital sigma-delta feedback
US-2018115320-A1 · Apr 26, 2018 · US
Feed-forward operational amplifier noise cancellation technique and associated filter and delta-sigma modulator
US-9929742-B2 · Mar 27, 2018 · US
Analog/digital conversion with analog filtering
US-2018083649-A1 · Mar 22, 2018 · US
Feed-forward operational amplifier noise cancellation technique and associated filter and delta-sigma modulator
US-2018054213-A1 · Feb 22, 2018 · US
Error-feedback digital-to-analog converter (DAC)
US-9853654-B2 · Dec 26, 2017 · US
Error cancellation in a current digital-to-analog converter of a continuous-time sigma-delta modulator
US-9853653-B2 · Dec 26, 2017 · US
Delta-sigma modulator, analog-to-digital converter and associated signal conversion method based on multi stage noise shaping structure
US-2017353191-A1 · Dec 7, 2017 · US
Noise reduction circuit and associated delta-sigma modulator
US-9831892-B1 · Nov 28, 2017 · US
Delta-sigma modulator, and transmitter
US-2017331490-A1 · Nov 16, 2017 · US
Cancellation of spurious tones within a phase-locked loop with a time-to-digital converter
US-9762250-B2 · Sep 12, 2017 · US
Overload detection and correction in delta-sigma analog-to-digital conversion
US-9735802-B1 · Aug 15, 2017 · US
Methods and apparatus for a delta sigma ADC with parallel-connected integrators
US-9647679-B1 · May 9, 2017 · US
Methods and apparatus for a delta sigma ADC with parallel-connected integrators
US-9641192-B1 · May 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03M3/368?
- CPC H03M3/368 is the Cooperative Patent Classification code for “of noise other than the quantisation noise already being shaped inherently by delta-sigma modulators.”
- How many patents are filed under CPC H03M3/368 (of noise other than the quantisation noise already being shaped inherently by delta-sigma modulators)?
- Our database includes 160 publications tagged with this CPC code.
- Is patent activity under CPC H03M3/368 growing?
- Publication counts under this code: 13 in 2024 vs 10 in 2025 (latest complete years).