G11B 7/08523
With both tracking and focusing pull-in
Official title: {with both tracking and focusing pull-in}
G11B7/08523 (With both tracking and focusing pull-in) appears on 67 US grants and 54 published applications in this corpus.
Search patents in G11B- Granted patents
- 67
- Published applications
- 54
- Assignees
- 31
- Inventors
- 105
- Latest grant
- 29 Jan 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 4 |
| 2002 | 1 | 17 |
| 2003 | 1 | 5 |
| 2004 | 4 | 4 |
| 2005 | 8 | 7 |
| 2006 | 7 | 2 |
| 2007 | 6 | 1 |
| 2008 | 0 | 2 |
| 2009 | 2 | 7 |
| 2010 | 2 | 2 |
| 2011 | 3 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for compensating astigmatism in an optical storage system29 Jan 2013US 8,363,516 B2Sunplus Technology Co., Ltd.
- Servo structure in single-bit holographic volume recording and readout20 Nov 2012US 8,315,139 B2General Electric Company
- Optical disc reader19 Jun 2012US 8,203,915 B2Funai Electric Co., Ltd.
- Optical disc apparatus and correction servo control signal generation method18 Oct 2011US 8,040,764 B2Sony Corporation
- Optical disk device11 Oct 2011US 8,036,083 B2Funai Electric Co., Ltd.
- Information recording medium, information recording apparatus and method, and information reproducing apparatus and method8 Aug 2013US 2013/0201806 A1Pioneer Corporation
- Servo structure in single-bit holographic volume recording and readout5 Jul 2012US 2012/0170438 A1General Electric Company
- Optical disc apparatus and control method in the same14 Jul 2011US 2011/0170387 A1
- Optical Disc Reader12 Aug 2010US 2010/0202265 A1Funai Electric Co., Ltd.
- Optical disk drive13 May 2010US 2010/0118668 A1Hitachi Consumer Electronics Co., Ltd.
Most cited
By later US patents
- Optical disk apparatus38US 4,481,613 ATokyo Shibaura Denki Kabushiki Kaisha · 1984
- Optical recording and playback apparatus using plural light spots34US 4,700,336 AMatsushita Electric Industrial Co., Ltd. · 1987
- Optical disk apparatus30US 6,285,635 B1Matsushia Electric Industrial Co., Ltd. · 2001
- Servo circuit for an optical disk information recording and reproducing apparatus with improved stability for tracking and focusing control27US 5,079,757 ASony Corporation · 1992
- Focusing servo controlling apparatus24US 5,894,463 ASony Corporation · 1999