Self-limiting active discharge circuit for electric vehicle inverter
US-2017355267-A1 · Dec 14, 2017 · US
Electricity
Electricity · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02M2001/322 |
| Official title | — |
| Display label | Electricity (mapped technology topic) |
| Total patents | 212 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 23 |
| 2017 | 33 |
| 2018 | 29 |
| 2019 | 43 |
| 2020 | 48 |
| 2021 | 18 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Speedy discharging circuit and power supply apparatus with speedy discharging circuit
US-9831761-B2 · Nov 28, 2017 · US
Method for controlling inverter
US-9812998-B2 · Nov 7, 2017 · US
Discharge device
US-9812944-B2 · Nov 7, 2017 · US
Method and apparatus for implementing a power converter input terminal voltage discharge circuit
US-2017302156-A1 · Oct 19, 2017 · US
Power conversion device with overvoltage suppression
US-9787214-B2 · Oct 10, 2017 · US
Method and device for discharging a high-voltage system
US-9768606-B2 · Sep 19, 2017 · US
Devices and methods for controlling current in inverters
US-9762143-B2 · Sep 12, 2017 · US
Output discharge techniques for load switches
US-9755638-B2 · Sep 5, 2017 · US
Method of discharging at least one electrical energy storage unit, in particular a capacitor, of an electrical circuit
US-9742346-B2 · Aug 22, 2017 · US
Method and apparatus for implementing a power converter input terminal voltage discharge circuit
US-9735665-B2 · Aug 15, 2017 · US
Discharge circuit unit and image forming apparatus having the same
US-9715204-B2 · Jul 25, 2017 · US
Power conversion apparatus
US-9667169-B2 · May 30, 2017 · US
Switching converter with controllable restart delay and associated control method
US-9608509-B2 · Mar 28, 2017 · US
Switching converter and associated discharge method
US-9590503-B2 · Mar 7, 2017 · US
Display apparatus, power supply apparatus and power supply method thereof
US-9564798-B2 · Feb 7, 2017 · US
Discharging circuit, image forming apparatus having the discharging circuit, and power supply unit
US-9559527-B2 · Jan 31, 2017 · US
Method and device for discharging an inverter capacitor
US-9548675-B2 · Jan 17, 2017 · US
Power supply control circuit and power source cut-off detection method
US-9537417-B2 · Jan 3, 2017 · US
Quick discharge circuit
US-9531251-B2 · Dec 27, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02M2001/322?
- CPC H02M2001/322 is the Cooperative Patent Classification code for “Electricity.”
- How many patents are filed under CPC H02M2001/322 (Electricity)?
- Our database includes 212 publications tagged with this CPC code.
- Is patent activity under CPC H02M2001/322 growing?
- Publication counts under this code: 48 in 2020 vs 18 in 2021 (latest complete years).