Method and apparatus for autonomous gravity and/or magnetic field measurement
US-12571931-B2 · Mar 10, 2026 · US
by measuring amplitude
by measuring amplitude · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01V3/102 |
| Official title | {by measuring amplitude} |
| Display label | by measuring amplitude |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 11 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and systems for phase sensitive electromagnetic sensing via physically separated transmitter and receiver modules
US-2026056343-A1 · Feb 26, 2026 · US
High performance inductive sensing all digital phase locked loop
US-12425026-B2 · Sep 23, 2025 · US
Proximity switch and method for detecting an object to be sensed
US-12255643-B2 · Mar 18, 2025 · US
Foreign object detection
US-12160121-B2 · Dec 3, 2024 · US
Method and apparatus for autonomous gravity and/or magnetic field measurement
US-2024393491-A1 · Nov 28, 2024 · US
High performance inductive sensing all digital phase locked loop
US-2024283451-A1 · Aug 22, 2024 · US
High performance inductive sensing all digital phase locked loop
US-11973498-B2 · Apr 30, 2024 · US
Foreign object detection apparatus and method, and wireless charging transmit-end device
US-2023417945-A1 · Dec 28, 2023 · US
Foreign object detection
US-2023369900-A1 · Nov 16, 2023 · US
Foreign object detection circuit and foreign object detection method
US-11791666-B2 · Oct 17, 2023 · US
High performance inductive sensing all digital phase locked loop
US-2023188135-A1 · Jun 15, 2023 · US
Foreign Object Detection Circuit and Foreign Object Detection Method
US-2023121561-A1 · Apr 20, 2023 · US
High performance inductive sensing all digital phase locked loop
US-11552635-B2 · Jan 10, 2023 · US
Detection coil structure based on interlayer coupling and metal object detection system
US-11520068-B2 · Dec 6, 2022 · US
Detection Coil Structure Based on Interlayer Coupling and Metal Object Detection System
US-2022334287-A1 · Oct 20, 2022 · US
Q-factor detection method
US-11437862-B2 · Sep 6, 2022 · US
Foreign object detector, foreign object detection system, use of a foreign object detector, and method of detecting a foreign object
US-11101704-B2 · Aug 24, 2021 · US
Proximity switch and method for detecting an object to be sensed
US-2021226625-A1 · Jul 22, 2021 · US
Utility locator apparatus, systems, and methods
US-11029439-B1 · Jun 8, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01V3/102?
- CPC G01V3/102 is the Cooperative Patent Classification code for “by measuring amplitude.”
- How many patents are filed under CPC G01V3/102 (by measuring amplitude)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC G01V3/102 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).