Analog-digital converter, semiconductor device, and voltage signal generation method
US-2019386669-A1 · Dec 19, 2019 · US
the modulator having a first order loop filter in the feedforward path
the modulator having a first order loop filter in the feedforward path · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03M3/456 |
| Official title | {the modulator having a first order loop filter in the feedforward path} |
| Display label | the modulator having a first order loop filter in the feedforward path |
| Total patents | 127 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 5 |
| 2017 | 10 |
| 2018 | 10 |
| 2019 | 26 |
| 2020 | 17 |
| 2021 | 4 |
| 2022 | 8 |
| 2023 | 14 |
| 2024 | 12 |
| 2025 | 9 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-speed digital transmitter for wireless communication systems
US-10511322-B1 · Dec 17, 2019 · US
Delta-sigma modulator, delta-sigma a/d converter, and incremental delta-sigma a/d converter
US-2019363731-A1 · Nov 28, 2019 · US
Lookup-table-based sigma-delta adc filter
US-2019356328-A1 · Nov 21, 2019 · US
Frequency synthesizer with tunable accuracy
US-10483982-B2 · Nov 19, 2019 · US
Charge-Based Digital to Analog Converter with Second Order Dynamic Weighted Algorithm
US-2019334545-A1 · Oct 31, 2019 · US
Apparatus for applying different transfer functions to code segments of multi-bit output code that are sequentially determined and output by multi-bit quantizer and associated delta-sigma modulator
US-10432214-B2 · Oct 1, 2019 · US
Pulsed electric machine control
US-2019288629-A1 · Sep 19, 2019 · US
Modulators
US-2019288704-A1 · Sep 19, 2019 · US
Pulsed electric machine control
US-2019288631-A1 · Sep 19, 2019 · US
Quantizing circuits having improved sensing
US-10403339-B2 · Sep 3, 2019 · US
Sigma-delta converters and corresponding methods
US-2019268014-A1 · Aug 29, 2019 · US
Amplifier circuit
US-10367460-B2 · Jul 30, 2019 · US
Sigma-delta modulator and associated system improving spectrum efficiency of wired interconnection
US-10341148-B2 · Jul 2, 2019 · US
Apparatus for applying different transfer functions to code segments of multi-bit output code that are sequentially determined and output by multi-bit quantizer and associated delta-sigma modulator
US-2019199368-A1 · Jun 27, 2019 · US
First-order sigma-delta analog-to-digital converter
US-10305507-B1 · May 28, 2019 · US
Charge packet signal processing using pinned photodiode devices
US-10249656-B2 · Apr 2, 2019 · US
Quantizing circuits having improved sensing
US-2019096456-A1 · Mar 28, 2019 · US
Converting module and converting circuit
US-2019074843-A1 · Mar 7, 2019 · US
Configurable input range for continuous-time sigma delta modulators
US-10224951-B2 · Mar 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03M3/456?
- CPC H03M3/456 is the Cooperative Patent Classification code for “the modulator having a first order loop filter in the feedforward path.”
- How many patents are filed under CPC H03M3/456 (the modulator having a first order loop filter in the feedforward path)?
- Our database includes 127 publications tagged with this CPC code.
- Is patent activity under CPC H03M3/456 growing?
- Publication counts under this code: 12 in 2024 vs 9 in 2025 (latest complete years).