G11B 11/10576
With provision for moving the transducers for maintaining alignment or spacing relative
Official title: {with provision for moving the transducers for maintaining alignment or spacing relative to the carrier}
G11B11/10576 (With provision for moving the transducers for maintaining alignment or spacing relative) appears on 739 US grants and 256 published applications in this corpus.
Search patents in G11B- Granted patents
- 739
- Published applications
- 256
- Assignees
- 111
- Inventors
- 917
- Latest grant
- 22 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 8 | 0 |
| 1988 | 12 | 0 |
| 1989 | 11 | 0 |
| 1990 | 13 | 0 |
| 1991 | 24 | 0 |
| 1992 | 35 | 0 |
| 1993 | 31 | 0 |
| 1994 | 25 | 0 |
| 1995 | 34 | 0 |
| 1996 | 42 | 0 |
| 1997 | 49 | 0 |
| 1998 | 39 | 0 |
| 1999 | 44 | 0 |
| 2000 | 34 | 0 |
| 2001 | 50 | 25 |
| 2002 | 57 | 51 |
| 2003 | 38 | 33 |
| 2004 | 35 | 34 |
| 2005 | 19 | 50 |
| 2006 | 46 | 13 |
| 2007 | 24 | 14 |
| 2008 | 19 | 9 |
| 2009 | 11 | 12 |
| 2010 | 18 | 5 |
| 2011 | 6 | 3 |
| 2012 | 2 | 2 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Phase locking multiple clocks of different frequencies22 Aug 2023US 11,735,220 B2Seagate Technology LLC
- Method and apparatus for multi-channel servo demodulation30 Apr 2019US 10,276,198 B1Marvell International Ltd.
- Data storage device extending servo burst field by alternating servo field processing during writes25 Dec 2018US 10,163,459 B1Western Digital Technologies, Inc.
- Servo tracking using a single servo writing pass per track for multi sensors17 Oct 2017US 9,792,939 B2Seagate Technology LLC
- Method of writing servo information on a storage medium and arrangement for writing servo information on a storage medium6 Jun 2017US 9,672,862 B2Marvell International Ltd.
- Phase locking multiple clocks of different frequencies29 Jun 2023US 2023/0206951 A1Seagate Technology LLC
- Method of writing servo information on a storage medium and arrangement for writing servor information on a storage medium11 Aug 2016US 2016/0232935 A1Marvell International Ltd.
- Servo tracking using a single servo writing pass per track for multi sensors19 Nov 2015US 2015/0332719 A1Seagate Technology LLC
- Optical information processing apparatus and optical information processing method, and adjustment device, adjustment method, and adjustment program for optical information processing apparatus4 Dec 2014US 2014/0355403 A1Mitsubishi Electric Corporation
- Optical recording medium having auxiliary information and reference clock3 Oct 2013US 2013/0258833 A1JVC KENWOOD Corporation
Most cited
By later US patents
- Optical disk capable of recording information on both groove and land tracks152US 5,508,995 AMatsushita Electric Industrial Co., Ltd. · 1996
- Disk system with sub-actuators for fine head displacement151US 5,189,578 AHitachi, Ltd. · 1993
- Method of and apparatus for recording an information signal147US 4,901,300 AU. S. Philips Corporation · 1990
- Optical disk136US 5,383,176 ASharp Kabushiki Kaisha · 1995
- Optical pickup with conversion of diffusion angle of outgoing light relative to diffusion angle of incident light120US 5,790,502 AMatsushita Electric Industrial Co., Ltd. · 1998