Phased array wireless power delivery optmization
US-11536756-B2 · Dec 27, 2022 · US
involving adjustment of a phase shifter to produce a predetermined phase difference, e.g. zero difference
involving adjustment of a phase shifter to produce a predetermined phase difference, e.g. zero difference · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01R25/04 |
| Official title | involving adjustment of a phase shifter to produce a predetermined phase difference, e.g. zero difference |
| Display label | involving adjustment of a phase shifter to produce a predetermined phase difference, e.g. zero difference |
| Total patents | 94 |
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 |
| 2016 | 7 |
| 2017 | 9 |
| 2018 | 13 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 10 |
| 2022 | 13 |
| 2023 | 11 |
| 2024 | 5 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and device for improving phase measurement accuracy
US-11525849-B2 · Dec 13, 2022 · US
Integrated multi-channel rf circuit with phase sensing
US-2021391650-A1 · Dec 16, 2021 · US
Battery internal resistance detection device and method
US-2021376637-A1 · Dec 2, 2021 · US
Methods and apparatus for phase imbalance correction
US-11171636-B2 · Nov 9, 2021 · US
Method and device for improving phase measurement accuracy
US-2021341521-A1 · Nov 4, 2021 · US
Integrated multi-channel RF circuit with phase sensing
US-11158944-B2 · Oct 26, 2021 · US
Amplitude and phase detection circuit
US-11150283-B2 · Oct 19, 2021 · US
Measurment apparatus and method
US-2021293861-A1 · Sep 23, 2021 · US
Method and system for determining and/or adjusting phases of at least two electrical signals
US-2021143918-A1 · May 13, 2021 · US
Induction heating device having improved output control function
US-2021084722-A1 · Mar 18, 2021 · US
Inspection device
US-2021055445-A1 · Feb 25, 2021 · US
Fault-type identification in an electric power delivery system using composite signals
US-10859639-B2 · Dec 8, 2020 · US
Method for detecting foreign object, wireless power transfer control apparatus, and wireless power transfer apparatus using the same
US-10804749-B2 · Oct 13, 2020 · US
Method for estimating power consumption of motor in fuel cell system
US-10768234-B2 · Sep 8, 2020 · US
Jitter measurement circuit and jitter measurement system
US-10718811-B2 · Jul 21, 2020 · US
Methods and apparatus for phase imbalance correction
US-2020212899-A1 · Jul 2, 2020 · US
Amplitude and phase detection circuit
US-2020150164-A1 · May 14, 2020 · US
Fault-type identification in an electric power delivery system using composite signals
US-2020103452-A1 · Apr 2, 2020 · US
Function generator for the delivery of electrical signals
US-10546158-B2 · Jan 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01R25/04?
- CPC G01R25/04 is the Cooperative Patent Classification code for “involving adjustment of a phase shifter to produce a predetermined phase difference, e.g. zero difference.”
- How many patents are filed under CPC G01R25/04 (involving adjustment of a phase shifter to produce a predetermined phase difference, e.g. zero difference)?
- Our database includes 94 publications tagged with this CPC code.
- Is patent activity under CPC G01R25/04 growing?
- Publication counts under this code: 5 in 2024 vs 7 in 2025 (latest complete years).