H02P 6/188
Using the voltage difference between the windings
Official title: {using the voltage difference between the windings (H02P6/182 takes precedence)}
H02P6/188 (Using the voltage difference between the windings) appears on 32 US grants and 39 published applications in this corpus.
Search patents in H02P- Granted patents
- 32
- Published applications
- 39
- Assignees
- 41
- Inventors
- 91
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 4 |
| 2011 | 0 | 4 |
| 2012 | 4 | 0 |
| 2013 | 3 | 5 |
| 2014 | 2 | 3 |
| 2015 | 3 | 2 |
| 2016 | 3 | 3 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 5 | 2 |
| 2021 | 0 | 2 |
| 2022 | 1 | 3 |
| 2023 | 1 | 3 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for detecting resolver signal for motor control4 Feb 2025US 12,218,619 B2Hyundai Motor Company
- Rotation angle detecting method, recording medium storing rotation angle detecting program, and rotation angle detecting device21 Jan 2025US 12,206,352 B2Alps Alpine Co., Ltd.
- Motor controller16 Jan 2024US 11,876,478 B2Global Mixed-mode Technology Inc.
- Initial position detection of an electric motor14 Mar 2023US 11,606,053 B2NXP USA, Inc.
- Motor rotation angle measurement device and method7 Jun 2022US 11,353,340 B2Xinjiang Goldwind Science & Technology Co., Ltd.
- Method for determining a rotor position for a rotor of an ec motor for a power tool, data processing apparatus, computer program, computer-readable storage medium, motor assembly, sensorless ec motor, and power tool1 Oct 2026US 2026/0302975 A1Festool GmbH
- Motor control device and drive system equipped with same30 May 2024US 2024/0178775 A1Oriental Motor Co., Ltd.
- Rotation angle detecting method, recording medium storing rotation angle detecting program, and rotation angle detecting device30 Nov 2023US 2023/0387839 A1Alps Alpine Co., Ltd.
- System and method for detecting resolver signal for motor control27 Jul 2023US 2023/0238903 A1Hyundai Motor Company
- Motor controller19 Jan 2023US 2023/0016671 A1Global Mixed-mode Technology Inc.
Most cited
By later US patents
- Rotor position detector with back EMF voltage estimation91US 5,384,527 ASundstrand Corporation · 1995
- Brushless DC motor42US 4,888,533 A1989
- Drive circuit for brushless motor15US 5,616,994 AMitsubishi Denki Kabushiki Kaisha · 1997
- Motor magnetic-pole-position estimating apparatus6US 8,384,323 B2Honda Motor Co., Ltd. · 2013
- Phase-shift detection device, motor drive device, brushless motor, and phase-shift detection method6US 8,917,041 B2Panasonic Corporation · 2014