G11B 7/08529
Methods and circuits to control the velocity of the head as it
Official title: {Methods and circuits to control the velocity of the head as it traverses the tracks}
G11B7/08529 (Methods and circuits to control the velocity of the head as it) appears on 406 US grants and 156 published applications in this corpus.
Search patents in G11B- Granted patents
- 406
- Published applications
- 156
- Assignees
- 90
- Inventors
- 520
- Latest grant
- 6 Dec 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 10 | 0 |
| 1990 | 10 | 0 |
| 1991 | 17 | 0 |
| 1992 | 11 | 0 |
| 1993 | 19 | 0 |
| 1994 | 19 | 0 |
| 1995 | 18 | 0 |
| 1996 | 16 | 0 |
| 1997 | 31 | 0 |
| 1998 | 30 | 0 |
| 1999 | 25 | 0 |
| 2000 | 12 | 0 |
| 2001 | 22 | 5 |
| 2002 | 20 | 37 |
| 2003 | 11 | 23 |
| 2004 | 19 | 17 |
| 2005 | 25 | 30 |
| 2006 | 20 | 7 |
| 2007 | 9 | 12 |
| 2008 | 10 | 4 |
| 2009 | 2 | 10 |
| 2010 | 10 | 2 |
| 2011 | 3 | 4 |
| 2012 | 2 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 0 |
| 2016 | 2 | 2 |
| 2017 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Servo processor receiving photodetector signals6 Dec 2016US 9,514,777 B2Optical Devices, LLC
- Servo processor receiving photodetector signals26 Jan 2016US 9,245,569 B1Optical Devices, LLC
- Servo processor receiving photodetector signals11 Aug 2015US 9,105,281 B2Optical Devices, LLC
- Servo processor receiving photodetector signals20 Jan 2015US 8,937,854 B2Optical Devices, LLC
- Servo processor receiving photodetector signals28 Oct 2014US 8,873,355 B2Optical Devices, LLC
- Servo Processor Receiving Photodetector Signals25 May 2017US 2017/0148478 A1Optical Devices, LLC
- Servo Processor Receiving Photodetector Signals19 May 2016US 2016/0140995 A1Optical Devices, LLC
- Servo Processor Receiving Photodetector Signals28 Jan 2016US 2016/0027463 A1Optical Devices, LLC
- Servo Processor Receiving Photodetector Signals30 Jan 2014US 2014/0029400 A1Optical Devices, LLC
- Servo Processor Receiving Photodetector Signals17 Oct 2013US 2013/0272105 A1OD Servo Technologies, LLC
Most cited
By later US patents
- Computing apparatus configured for partitioned processing115US 5,768,613 AAdvanced Micro Devices, Inc. · 1998
- Method and apparatus for moving carriage assembly from initial position to target position and optical disc system including same92US 6,741,529 B1Discovision Associates · 2004
- Method and apparatus for information retrieval from an optically readable storage medium87US 4,375,091 ADiscovision Associates · 1983
- Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal84US 5,729,511 ADiscovision Associates · 1998
- Servo control system for information storage device79US 5,875,158 ADiscovision Associates · 1999