Method for Determining Spin of a Projectile
US-2024427003-A1 · Dec 26, 2024 · US
using transmission of interrupted pulse modulated waves and based upon the Doppler effect resulting from movement of targets
using transmission of interrupted pulse modulated waves and based upon the Doppler effect resulting from movement of targets · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01S13/581 |
| Official title | {using transmission of interrupted pulse modulated waves and based upon the Doppler effect resulting from movement of targets} |
| Display label | using transmission of interrupted pulse modulated waves and based upon the Doppler effect resulting from movement of targets |
| Total patents | 202 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 9 |
| 2017 | 7 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 26 |
| 2021 | 24 |
| 2022 | 28 |
| 2023 | 21 |
| 2024 | 33 |
| 2025 | 28 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
In Device Interference Mitigation Using Sensor Fusion
US-2020408894-A1 · Dec 31, 2020 · US
Detecting and measuring correlated movement with mimo radar
US-2020405164-A1 · Dec 31, 2020 · US
Radar signal processing device
US-2020379099-A1 · Dec 3, 2020 · US
Micro-doppler apparatus and method for trailer detection and tracking
US-10845478-B2 · Nov 24, 2020 · US
Method of measuring azimuth of radar target
US-10845475-B2 · Nov 24, 2020 · US
Methods for gesture recognition and control
US-2020356178-A1 · Nov 12, 2020 · US
Radar device
US-2020348407-A1 · Nov 5, 2020 · US
Dual polarization radar apparatus and radar signal processing method
US-10795017-B2 · Oct 6, 2020 · US
Character Recognition in Air-Writing Based on Network of Radars
US-2020302210-A1 · Sep 24, 2020 · US
Full-duplex operation for radar sensing using wireless communication chipset
US-10782390-B2 · Sep 22, 2020 · US
System and method for driving range shot travel path characteristics
US-2020269089-A1 · Aug 27, 2020 · US
Radar Transceiver
US-2020264271-A1 · Aug 20, 2020 · US
Millimeter wave radar and millimeter wave radar detection method
US-10698098-B2 · Jun 30, 2020 · US
Vehicle odometry and motion direction determination
US-2020191938-A1 · Jun 18, 2020 · US
Phase noise compensation in digital beamforming radar systems
US-2020191937-A1 · Jun 18, 2020 · US
Method of determining the de-aliased range rate of a target
US-10634766-B2 · Apr 28, 2020 · US
Estimating Angle of Human Target Using mmWave Radar
US-2020116850-A1 · Apr 16, 2020 · US
Micro-doppler apparatus and method for trailer detection and tracking
US-2020081117-A1 · Mar 12, 2020 · US
Velocity measurement with asymmetric doppler spectrum
US-10585182-B2 · Mar 10, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01S13/581?
- CPC G01S13/581 is the Cooperative Patent Classification code for “using transmission of interrupted pulse modulated waves and based upon the Doppler effect resulting from movement of targets.”
- How many patents are filed under CPC G01S13/581 (using transmission of interrupted pulse modulated waves and based upon the Doppler effect resulting from movement of targets)?
- Our database includes 202 publications tagged with this CPC code.
- Is patent activity under CPC G01S13/581 growing?
- Publication counts under this code: 33 in 2024 vs 28 in 2025 (latest complete years).