Motor control circuit, motor control device, actuator and control method for stepping motor
US-10523145-B2 · Dec 31, 2019 · US
the fault being step-out
the fault being step-out · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P8/38 |
| Official title | the fault being step-out |
| Display label | the fault being step-out |
| Total patents | 133 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 15 |
| 2017 | 13 |
| 2018 | 6 |
| 2019 | 23 |
| 2020 | 20 |
| 2021 | 7 |
| 2022 | 12 |
| 2023 | 9 |
| 2024 | 8 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Driving device and electronic timepiece
US-10520898-B2 · Dec 31, 2019 · US
Printer, method of controlling printer, and storage medium
US-10464354-B2 · Nov 5, 2019 · US
Driving device and electronic timepiece
US-2019332065-A1 · Oct 31, 2019 · US
Apparatus comprising electromechanical device and motion detector and method for operating apparatus
US-10444711-B2 · Oct 15, 2019 · US
Driving device, stepping motor driving method, program, and electronic timepiece
US-10416611-B2 · Sep 17, 2019 · US
Rotor position detection system
US-10374537-B2 · Aug 6, 2019 · US
Motor control device and step-out state detection method
US-2019190417-A1 · Jun 20, 2019 · US
Controller for electric motor
US-10298158-B2 · May 21, 2019 · US
Method of controlling stepping motor
US-2019109550-A1 · Apr 11, 2019 · US
Dynamic pulse-width modulation motor control and medical device incorporating same
US-10228663-B2 · Mar 12, 2019 · US
Rotation control apparatus, electronic timepiece, and rotation control method
US-2019064745-A1 · Feb 28, 2019 · US
Motor drive device that reduces collision noise of moving member, method of controlling same, and storage medium
US-2019052786-A1 · Feb 14, 2019 · US
Method and electronic circuit for stall detection
US-10171018-B2 · Jan 1, 2019 · US
Image forming apparatus, motor control apparatus, and method of controlling a motor
US-10171017-B2 · Jan 1, 2019 · US
Control device, optical device, control method, and storage medium
US-2018331640-A1 · Nov 15, 2018 · US
Motor controller and control method for stepping motor
US-2018287532-A1 · Oct 4, 2018 · US
Evaporated fuel treating device
US-2018274494-A1 · Sep 27, 2018 · US
Printer, method of controlling printer, and storage medium
US-2018264861-A1 · Sep 20, 2018 · US
Sheet conveyance apparatus and image forming apparatus
US-2018227448-A1 · Aug 9, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P8/38?
- CPC H02P8/38 is the Cooperative Patent Classification code for “the fault being step-out.”
- How many patents are filed under CPC H02P8/38 (the fault being step-out)?
- Our database includes 133 publications tagged with this CPC code.
- Is patent activity under CPC H02P8/38 growing?
- Publication counts under this code: 8 in 2024 vs 7 in 2025 (latest complete years).