G11B 7/0943
Methods and circuits for performing mathematical operations on individual detector segment outputs
Official title: {Methods and circuits for performing mathematical operations on individual detector segment outputs}
G11B7/0943 (Methods and circuits for performing mathematical operations on individual detector segment outputs) appears on 488 US grants and 279 published applications in this corpus.
Search patents in G11B- Granted patents
- 488
- Published applications
- 279
- Assignees
- 105
- Inventors
- 670
- Latest grant
- 20 Nov 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 12 | 0 |
| 1994 | 6 | 0 |
| 1995 | 16 | 0 |
| 1996 | 20 | 0 |
| 1997 | 30 | 0 |
| 1998 | 42 | 0 |
| 1999 | 30 | 0 |
| 2000 | 17 | 0 |
| 2001 | 32 | 25 |
| 2002 | 33 | 51 |
| 2003 | 24 | 24 |
| 2004 | 32 | 31 |
| 2005 | 26 | 32 |
| 2006 | 30 | 20 |
| 2007 | 26 | 27 |
| 2008 | 19 | 25 |
| 2009 | 14 | 15 |
| 2010 | 15 | 8 |
| 2011 | 14 | 7 |
| 2012 | 8 | 1 |
| 2013 | 5 | 2 |
| 2014 | 1 | 3 |
| 2015 | 3 | 2 |
| 2016 | 2 | 3 |
| 2017 | 2 | 2 |
| 2018 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical medium reproduction apparatus and method of reproducing optical medium20 Nov 2018US 10,134,438 B2Sony Corporation
- Optical medium reproducing device and optical medium reproducing method5 Jun 2018US 9,990,952 B2Sony Corporation
- Recorder and player apparatus stably keeping track of recording medium6 Mar 2018US 9,911,449 B2Panasonic Intellectual Property Management Co., Ltd.
- Optical disc apparatus controlling irradiation position based on cross-correlation value between reproduction signal and decoded signal5 Sep 2017US 9,754,619 B1Panasonic Intellectual Property Management Co., Ltd.
- Optical information reproduction device and optical information reproduction method8 Aug 2017US 9,728,219 B2Hitachi, Ltd.
- Optical medium reproducing device and optical medium reproducing method5 Apr 2018US 2018/0096703 A1Sony Corporation
- Recorder and player apparatus stably keeping track of recording medium14 Sep 2017US 2017/0263280 A1Panasonic Intellectual Property Management Co., Ltd.
- Optical disc apparatus controlling irradiation position based on cross-correlation value between reproduction signal and decoded signal7 Sep 2017US 2017/0256280 A1Panasonic Intellectual Property Management Co., Ltd.
- Recording apparatus29 Sep 2016US 2016/0284375 A1Panasonic Intellectual Property Management Co., Ltd.
- Optical medium reproduction apparatus and method of reproducing optical medium2 Jun 2016US 2016/0155468 A1Sony Corporation
Most cited
By later US patents
- 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
- 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
- Isolation apparatus for use in disc drive system to mitigate effects of undesired mechanical forces and disc drive system including same73US 6,122,232 ADiscovision Associates · 2000
- Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same62US 5,748,578 ADiscovision Associates · 1998