G11B 7/0904
Dithered tracking systems
Official title: {Dithered tracking systems}
G11B7/0904 (Dithered tracking systems) appears on 99 US grants and 29 published applications in this corpus.
Search patents in G11B- Granted patents
- 99
- Published applications
- 29
- Assignees
- 38
- Inventors
- 151
- Latest grant
- 29 Nov 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 13 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 4 |
| 2003 | 0 | 2 |
| 2004 | 2 | 1 |
| 2005 | 3 | 4 |
| 2006 | 3 | 5 |
| 2007 | 5 | 1 |
| 2008 | 1 | 8 |
| 2009 | 7 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Recording apparatus29 Nov 2016US 9,508,379 B2Panasonic Intellectual Property Management Co., Ltd.
- Information recording medium, and recording method and reproducing method thereof17 Apr 2012US 8,159,926 B2JVC KENWOOD Corporation
- Information recording medium, and recording method and reproducing method thereof5 Apr 2011US 7,920,460 B2Victor Company of Japan, Ltd.
- Information recording medium, and recording method and reproducing method thereof29 Sep 2009US 7,596,074 B2Victor Company of Japan, Ltd.
- Information recording medium, and recording method and reproducing method thereof8 Sep 2009US 7,586,832 B2Victor Company of Japan, Ltd.
- Recording apparatus29 Sep 2016US 2016/0284375 A1Panasonic Intellectual Property Management Co., Ltd.
- Information recording medium, and recording method and reproducing method thereof23 Jun 2011US 2011/0149699 A1Victor Company of Japan, Ltd.
- Information recording medium, and recording method and reproducing method thereof26 Nov 2009US 2009/0290470 A1Victor Company of Japan, Ltd.
- Information recording medium, and recording method and reproducing method thereof25 Dec 2008US 2008/0316880 A1Victor Company of Japan, Ltd.
- Method and Apparatus for Scanning Data Stored on an Optical Storage Medium24 Apr 2008US 2008/0094946 A1Koninklijke Philips Electronics N. V.
Most cited
By later US patents
- Method, apparatus and record carrier body for optically writing information96US 4,363,116 AU. S. Philips Corporation · 1982
- Method and apparatus for composite tracking servo system with track offset correction and rotary optical disc having at least one correction mark for correcting track offset87US 4,748,609 AHitachi, Ltd. · 1988
- Optical recording and reproducing apparatus for tracking wobbling guide grooves78US 5,434,834 AMitsubishi Denki Kabushiki Kaisha · 1995
- Apparatus for correcting for temperature-induced tracking errors in a system for recovering information from a recording disc71US 4,271,334 ADiscovision Associates · 1981
- Method and apparatus for composite wobbled and push-pull tracking servo system69US 4,707,816 AHitachi, Ltd. · 1987