G11B 20/1024
Wherein a phase-locked loop [pll] is used
Official title: {wherein a phase-locked loop [PLL] is used}
G11B20/1024 (Wherein a phase-locked loop [pll] is used) appears on 92 US grants and 63 published applications in this corpus.
Search patents in G11B- Granted patents
- 92
- Published applications
- 63
- Assignees
- 44
- Inventors
- 151
- Latest grant
- 20 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 4 |
| 2003 | 3 | 1 |
| 2004 | 5 | 3 |
| 2005 | 0 | 4 |
| 2006 | 4 | 3 |
| 2007 | 2 | 4 |
| 2008 | 5 | 6 |
| 2009 | 1 | 0 |
| 2010 | 2 | 2 |
| 2011 | 6 | 7 |
| 2012 | 4 | 6 |
| 2013 | 15 | 1 |
| 2014 | 6 | 2 |
| 2015 | 4 | 4 |
| 2016 | 3 | 2 |
| 2017 | 4 | 2 |
| 2018 | 7 | 6 |
| 2019 | 5 | 0 |
| 2020 | 6 | 4 |
| 2021 | 2 | 0 |
| 2022 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- On head microelectronics for write synchronization20 Dec 2022US 11,532,322 B2Seagate Technology LLC
- Data path dynamic range optimization14 Jun 2022US 11,361,788 B2Seagate Technology LLC
- On head microelectronics for write synchronization23 Nov 2021US 11,183,207 B2Seagate Technology LLC
- Phase locking multiple clocks of different frequencies2 Mar 2021US 10,936,003 B1Seagate Technology LLC
- Zone self servo writing with synchronized parallel clocks10 Nov 2020US 10,832,716 B2Marvell Asia Pte Ltd
- On head microelectronics for write synchronization10 Feb 2022US 2022/0044700 A1Seagate Technology LLC
- On head microelectronics for write synchronization19 Nov 2020US 2020/0365176 A1Seagate Technology LLC
- Zone self servo writing with synchronized parallel clocks25 Jun 2020US 2020/0202893 A1Marvell World Trade Ltd.
- Data path dynamic range optimization27 Feb 2020US 2020/0065262 A1Seagate Technology LLC
- Multi-signal realignment for changing sampling clock2 Jan 2020US 2020/0005819 A1Seagate Technology LLC
Most cited
By later US patents
- Detecting a servo address mark (SAM) in a servo field sync-up operation143US 8,159,768 B1Western Digital Technologies, Inc. · 2012
- Disk drive seeking with a fixed rate clock when crossing servo zones to facilitate zoned servo sectors136US 7,929,238 B1Western Digital Technologies, Inc. · 2011
- PLL circuit56US 6,441,661 B1Asahi Kasei Kabushiki Kaisha · 2002
- Digital zero-phase restart circuit53US 6,307,696 B1Maxtor Corporation · 2001
- Disk drive adjusting digital phase locked loop over sector data with frequency induced phase error measured over preamble51US 8,780,470 B1Western Digital Technologies, Inc. · 2014