G11B 19/22
Brakes other than speed-regulating brakes
G11B19/22 (Brakes other than speed-regulating brakes) appears on 75 US grants and 21 published applications in this corpus.
Search patents in G11B- Granted patents
- 75
- Published applications
- 21
- Assignees
- 45
- Inventors
- 157
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 3 |
| 2003 | 7 | 3 |
| 2004 | 2 | 6 |
| 2005 | 0 | 0 |
| 2006 | 5 | 1 |
| 2007 | 4 | 0 |
| 2008 | 0 | 3 |
| 2009 | 2 | 1 |
| 2010 | 2 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Speed control of actuator arm and spindle in a data storage device17 Mar 2026US 12,579,999 B2Western Digital Technologies, Inc.
- Data storage device with closed loop extended park mode during spin down operation7 May 2024US 11,978,482 B2Western Digital Technologies, Inc.
- Platter with improved braking control26 Dec 2017US 9,850,972 B1inMusic Brands, Inc.
- Data storage device employing spindle motor driving profile during seek to improve power performance23 Aug 2016US 9,424,868 B1Western Digital Technologies, Inc.
- Method for stopping spindle motor of optical disc drive19 Nov 2013US 8,589,965 B1Philips & Lite-On Digital Solutions Corporation
- Speed control of actuator arm and spindle in a data storage device13 Nov 2025US 2025/0349320 A1Western Digital Technologies, Inc.
- Data storage device with closed loop extended park mode during spin down operation20 Jul 2023US 2023/0230616 A1Western Digital Technologies, Inc.
- Decelerating mechanism and electronic device using same23 Jan 2014US 2014/0022879 A1Hon Hai Precision Industry Co., Ltd.
- Methods and apparatus to reduce the stopping time of spindle motors1 Oct 2009US 2009/0243521 A1Texas Instruments Incorporated
- Disc Device13 Nov 2008US 2008/0282280 A1Sony Computer Entertainment Inc.
Most cited
By later US patents
- Faster spin-down operation in a disk drive by utilizing pulsed braking132US 6,160,368 AWestern Digital Corporation · 2000
- Disk drive comprising spin down circuitry having a programmable signal generator for enhancing power and braking control127US 6,577,465 B1Western Digital Technologies, Inc. · 2003
- Disk drive comprising spin down circuitry having a current limit circuit for enhancing power and braking control125US 6,549,359 B1Western Digital Technologies, Inc. · 2003
- Disk drive comprising spin down circuitry having a power clamp circuit for enhancing power and braking control123US 6,549,361 B1Western Digital Technologies, Inc. · 2003
- BEMF rectification voltage when power supply energy fails57US 5,504,402 ASGS-Thomson Microelectronics S.A. · 1996