Direction finder antenna system
US-12487310-B2 · Dec 2, 2025 · US
the waves arriving at the aerials being frequency modulated and the frequency difference of signals therefrom being measured
the waves arriving at the aerials being frequency modulated and the frequency difference of signals therefrom being measured · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01S3/465 |
| Official title | {the waves arriving at the aerials being frequency modulated and the frequency difference of signals therefrom being measured} |
| Display label | the waves arriving at the aerials being frequency modulated and the frequency difference of signals therefrom being measured |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 8 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Angle of arrival estimation using a single receive chain
US-2025321311-A1 · Oct 16, 2025 · US
Angle of arrival estimation using a single receive chain
US-12248079-B2 · Mar 11, 2025 · US
Radar interference reduction techniques for autonomous vehicles
US-12164054-B2 · Dec 10, 2024 · US
Direction finder antenna system
US-2024201305-A1 · Jun 20, 2024 · US
Method for calibrating an airborne goniometry apparatus for low frequencies
US-11994602-B2 · May 28, 2024 · US
Angle of arrival estimation using a single receive chain
US-2023258758-A1 · Aug 17, 2023 · US
Angle of arrival estimation using a single receive chain
US-11668781-B2 · Jun 6, 2023 · US
AoA/AoD calculation with mirror disambiguation
US-11656314-B2 · May 23, 2023 · US
Method for calibrating an airborne goniometry apparatus for low frequencies
US-2023113476-A1 · Apr 13, 2023 · US
Interferometric direction-finding antenna array with multiplexed/switched radiating elements
US-11579234-B2 · Feb 14, 2023 · US
Radar Interference Reduction Techniques for Autonomous Vehicles
US-2022390550-A1 · Dec 8, 2022 · US
Angle of arrival estimation using a single receive chain
US-2022381868-A1 · Dec 1, 2022 · US
System and method for determining angle of arrival for communications
US-11493588-B2 · Nov 8, 2022 · US
AoA/AoD CALCULATION WITH MIRROR DISAMBIGUATION
US-2022099784-A1 · Mar 31, 2022 · US
System and method for determining angle of arrival for communications
US-11269044-B2 · Mar 8, 2022 · US
Measuring angle of arrival on a constant and/or pre-known part of a BLE packet
US-11237244-B2 · Feb 1, 2022 · US
Interferometric Direction-Finding Antenna Array with Multiplexed/Switched Radiating Elements
US-2021349173-A1 · Nov 11, 2021 · US
Pseudo-spectrum averaging for angle of arrival detection
US-11143735-B2 · Oct 12, 2021 · US
Method for determining the direction of arrival in presence of aliasing and associated device
US-10921415-B2 · Feb 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01S3/465?
- CPC G01S3/465 is the Cooperative Patent Classification code for “the waves arriving at the aerials being frequency modulated and the frequency difference of signals therefrom being measured.”
- How many patents are filed under CPC G01S3/465 (the waves arriving at the aerials being frequency modulated and the frequency difference of signals therefrom being measured)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC G01S3/465 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).