Electronic device and control method
US-12160151-B2 · Dec 3, 2024 · US
wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation
wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02K33/04 |
| Official title | wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation |
| Display label | wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation |
| Total patents | 65 |
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 | 2 |
| 2016 | 6 |
| 2017 | 7 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 9 |
| 2021 | 1 |
| 2022 | 5 |
| 2023 | 7 |
| 2024 | 9 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Voice coil motor
US-12095334-B2 · Sep 17, 2024 · US
Vibration actuator and electronic device
US-2024213867-A1 · Jun 27, 2024 · US
Linear vibration motor with casing having copper ring and vibration unit with magnetic steel assembly
US-11949309-B2 · Apr 2, 2024 · US
Vibration actuator and vibration presenting apparatus
US-2024097544-A1 · Mar 21, 2024 · US
Vibration apparatus
US-11876428-B2 · Jan 16, 2024 · US
Vibration actuator and vibration presenting apparatus
US-11863039-B2 · Jan 2, 2024 · US
Voice coil motor
US-2023353028-A1 · Nov 2, 2023 · US
Voice coil motor
US-11777389-B2 · Oct 3, 2023 · US
Vibration motor
US-2023238866-A1 · Jul 27, 2023 · US
Linear vibration motor
US-2023198364-A1 · Jun 22, 2023 · US
Electronic device and control method
US-2023090794-A1 · Mar 23, 2023 · US
Vibration actuator and vibration presenting apparatus
US-2023067284-A1 · Mar 2, 2023 · US
Voice coil motor
US-2023006532-A1 · Jan 5, 2023 · US
Vibration actuator and vibration presenting apparatus
US-11522429-B2 · Dec 6, 2022 · US
Voice coil motor
US-11489430-B2 · Nov 1, 2022 · US
Vibration actuator and electronic device
US-2022329139-A1 · Oct 13, 2022 · US
Vibration actuator and electronic device
US-11394285-B2 · Jul 19, 2022 · US
Vibration apparatus
US-2022149709-A1 · May 12, 2022 · US
Linear actuator
US-10951104-B2 · Mar 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02K33/04?
- CPC H02K33/04 is the Cooperative Patent Classification code for “wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation.”
- How many patents are filed under CPC H02K33/04 (wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation)?
- Our database includes 65 publications tagged with this CPC code.
- Is patent activity under CPC H02K33/04 growing?
- Publication counts under this code: 9 in 2024 vs 3 in 2025 (latest complete years).