Noise equivalent circuit
US-9500689-B2 · Nov 22, 2016 · US
Measuring noise figure; Measuring signal-to-noise ratio
Measuring noise figure; Measuring signal-to-noise ratio · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01R29/26 |
| Official title | Measuring noise figure; Measuring signal-to-noise ratio |
| Display label | Measuring noise figure; Measuring signal-to-noise ratio |
| Total patents | 630 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 54 |
| 2016 | 60 |
| 2017 | 54 |
| 2018 | 40 |
| 2019 | 53 |
| 2020 | 64 |
| 2021 | 57 |
| 2022 | 54 |
| 2023 | 65 |
| 2024 | 57 |
| 2025 | 58 |
| 2026 | 14 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Noise sensor
US-9429611-B2 · Aug 30, 2016 · US
Universal jitter meter and phase noise measurement
US-9354266-B2 · May 31, 2016 · US
Column adc
US-2016033449-A1 · Feb 4, 2016 · US
Measuring system
US-9250279-B2 · Feb 2, 2016 · US
Measuring device having a trigger unit
US-9250268-B2 · Feb 2, 2016 · US
Electronic apparatus preventing erroneous detection of sensor output due to ac line noise and erroneous detection prevention method
US-2015377944-A1 · Dec 31, 2015 · US
Phase noise correction system for discrete time signal processing
US-2015369898-A1 · Dec 24, 2015 · US
Hand-held test mester with low-distortion signal generation circuit block
US-2015355131-A1 · Dec 10, 2015 · US
Noise immunity evaluation apparatus, method of evaluating noise immunity, and non-transitory computer readable medium
US-2015346254-A1 · Dec 3, 2015 · US
Method of analyzing coupling effect between signal lines in an integrated circuit
US-9201108-B2 · Dec 1, 2015 · US
Noise detection device, system and method
US-2015338448-A1 · Nov 26, 2015 · US
Using a shared local oscillator to make low-noise vector measurements
US-9188617-B2 · Nov 17, 2015 · US
Device, method, and system of detecting remote access users and differentiating among users
US-2015310196-A1 · Oct 29, 2015 · US
Noise figure measurement using narrowband compensation
US-2015309101-A1 · Oct 29, 2015 · US
Electronic devices and methods for addressing external electromagnetic fields
US-2015301096-A1 · Oct 22, 2015 · US
Column adc
US-9164070-B2 · Oct 20, 2015 · US
Communication apparatus and associated estimation method
US-9157947-B2 · Oct 13, 2015 · US
Noise modulation for on-chip noise measurement
US-2015276840-A1 · Oct 1, 2015 · US
Distortion estimation apparatus and method
US-2015276834-A1 · Oct 1, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01R29/26?
- CPC G01R29/26 is the Cooperative Patent Classification code for “Measuring noise figure; Measuring signal-to-noise ratio.”
- How many patents are filed under CPC G01R29/26 (Measuring noise figure; Measuring signal-to-noise ratio)?
- Our database includes 630 publications tagged with this CPC code.
- Is patent activity under CPC G01R29/26 growing?
- Publication counts under this code: 57 in 2024 vs 58 in 2025 (latest complete years).