G11B 7/08517
With tracking pull-in only
Official title: {with tracking pull-in only}
G11B7/08517 (With tracking pull-in only) appears on 382 US grants and 141 published applications in this corpus.
Search patents in G11B- Granted patents
- 382
- Published applications
- 141
- Assignees
- 97
- Inventors
- 596
- Latest grant
- 27 Aug 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 9 | 0 |
| 1988 | 11 | 0 |
| 1989 | 20 | 0 |
| 1990 | 15 | 0 |
| 1991 | 14 | 0 |
| 1992 | 23 | 0 |
| 1993 | 25 | 0 |
| 1994 | 8 | 0 |
| 1995 | 15 | 0 |
| 1996 | 14 | 0 |
| 1997 | 17 | 0 |
| 1998 | 14 | 0 |
| 1999 | 20 | 0 |
| 2000 | 8 | 0 |
| 2001 | 15 | 3 |
| 2002 | 13 | 22 |
| 2003 | 7 | 8 |
| 2004 | 14 | 19 |
| 2005 | 13 | 19 |
| 2006 | 12 | 9 |
| 2007 | 13 | 22 |
| 2008 | 10 | 14 |
| 2009 | 10 | 9 |
| 2010 | 12 | 5 |
| 2011 | 12 | 2 |
| 2012 | 5 | 4 |
| 2013 | 4 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical disc apparatus27 Aug 2019US 10,395,689 B2Panasonic Intellectual Property Management Co., Ltd.
- Tracking control device, tracking control method, and optical disc apparatus9 Aug 2016US 9,412,406 B2Mitsubishi Electric Corporation
- Disc drive and tracking servo pull-in method31 Dec 2013US 8,619,521 B2Sony Corporation
- Tracking servo and method for tracking optical disc and optical disc device using the tracking servo30 Apr 2013US 8,432,774 B1Hon Hai Precision Industry Co., Ltd.
- Optical disc drive apparatus, optical pickup control method and program9 Apr 2013US 8,416,654 B2Sony Corporation
- Multi-channel multiplexing method and device for disc storage medium27 Oct 2022US 2022/0343947 A1Amethystum Storage Technology Co., Ltd.
- Optical disc apparatus6 Sep 2018US 2018/0254062 A1Panasonic Intellectual Property Management Co., Ltd.
- Tracking control device, tracking control method, and optical disc apparatus2 Jun 2016US 2016/0155461 A1Mitsubishi Electric Corporation
- Tracking control method, tracking control device, and optical disc device26 Mar 2015US 2015/0085631 A1Mitsubishi Electric Corporation
- Optical recording medium driving apparatus and cross track signal generation method12 Sep 2013US 2013/0235713 A1Sony Corporation
Most cited
By later US patents
- Disc track servo system133US 4,142,209 ARCA Corporation · 1979
- Multiple data surface optical data storage system with transmissive data surfaces96US 5,255,262 AInternational Business Machines Corporation · 1993
- Method and apparatus for information retrieval from an optically readable storage medium87US 4,375,091 ADiscovision Associates · 1983
- Device for controlling recording track jump operations with over-run correction83US 4,677,602 APioneer Electronic Corporation · 1987
- Optical disc access method and optical disk storage using coarse and fine actuators82US 4,866,687 AHitachi, Ltd. · 1989