Frequency ratio measurement device
US-11139825-B2 · Oct 5, 2021 · US
Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing phase or frequency of 2 mutually independent oscillations in demodulators)
Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing phase or frequency of 2 mutually independent oscillations in demodulators) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01R23/005 |
| Official title | {Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing phase or frequency of 2 mutually independent oscillations in demodulators)} |
| Display label | Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing phase or frequency of 2 mutually independent oscillations in demodulators) |
| Total patents | 213 |
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 | 5 |
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 10 |
| 2019 | 10 |
| 2020 | 12 |
| 2021 | 16 |
| 2022 | 28 |
| 2023 | 40 |
| 2024 | 31 |
| 2025 | 36 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Trend based battery health estimation
US-2021293888-A1 · Sep 23, 2021 · US
Non-charging based battery monitoring and characterization
US-2021247448-A1 · Aug 12, 2021 · US
Performing environmental radio frequency monitoring
US-2021234623-A1 · Jul 29, 2021 · US
Waveform generation identification method and computer-readable medium
US-2021132125-A1 · May 6, 2021 · US
Apparatus and method for determining a trigger time
US-2021109144-A1 · Apr 15, 2021 · US
Method of setting a measurement instrument and system for setting a measurement instrument
US-2021088615-A1 · Mar 25, 2021 · US
Frequency Ratio Measurement Device
US-2021067170-A1 · Mar 4, 2021 · US
Application and product realization of darpa lads capabilities to legacy avionics
US-10935587-B2 · Mar 2, 2021 · US
Electronic device, corresponding apparatus, method and computer program product
US-2020408819-A1 · Dec 31, 2020 · US
Systems and methods for magnetic field sensors with self-test
US-2020379061-A1 · Dec 3, 2020 · US
Battery monitoring and characterization during charging
US-2020379049-A1 · Dec 3, 2020 · US
Sensor processing system, sensor system, and sensor processing method
US-2020348328-A1 · Nov 5, 2020 · US
Systems and methods for magnetic field sensors with self-test
US-10782363-B2 · Sep 22, 2020 · US
Harmonic distortion separation method, nonlinear character determination method and apparatus and system
US-10739388-B2 · Aug 11, 2020 · US
Adhesive composition and methods of forming the same
US-2020208027-A1 · Jul 2, 2020 · US
Classifying comparators based on comparator offsets
US-2020213139-A1 · Jul 2, 2020 · US
Differential Phase and amplitude detector
US-10690708-B2 · Jun 23, 2020 · US
Determining the frequency of an alternating signal
US-10613127-B2 · Apr 7, 2020 · US
Frequency sensing systems and methods
US-2020096546-A1 · Mar 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01R23/005?
- CPC G01R23/005 is the Cooperative Patent Classification code for “Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing phase or frequency of 2 mutually independent oscillations in demodulators).”
- How many patents are filed under CPC G01R23/005 (Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing phase or frequency of 2 mutually independent oscillations in demodulators))?
- Our database includes 213 publications tagged with this CPC code.
- Is patent activity under CPC G01R23/005 growing?
- Publication counts under this code: 31 in 2024 vs 36 in 2025 (latest complete years).